MAN - SEA

£309 Find Cheap Flights from Manchester to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Manchester to Seattle departing on 29/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Manchester to Seattle.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Manchester to Seattle.
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Flight Deals

Cheap Flights from Manchester to Seattle (MAN-SEA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Manchester to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Manchester to Seattle

Tue, 25 Nov - Tue, 2 Dec
British Airways Logo
09:40 - 16:55MAN-SEA
15h 15m1 stop
British Airways Logo
14:46 - 14:00SEA-MAN
15h 14m2 stops
£520British Airways
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Tue, 25 Nov - Tue, 2 Dec
British Airways Logo
08:55 - 16:55MAN-SEA
16h 00m1 stop
British Airways Logo
14:46 - 17:35SEA-MAN
18h 49m2 stops
£521British Airways
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Thu, 30 Oct - Thu, 6 Nov
Icelandair Logo
11:55 - 18:00MAN-SEA
13h 05m1 stop
Icelandair Logo
14:35 - 10:45SEA-MAN
12h 10m1 stop
£531Icelandair
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Tue, 25 Nov - Tue, 2 Dec
Finnair Logo
14:45 - 19:15MAN-SEA
36h 30m2 stops
Finnair Logo
07:19 - 14:00SEA-MAN
22h 41m2 stops
£542Finnair
Find Deal
Thu, 5 Mar - Mon, 9 Mar
Icelandair Logo
11:55 - 17:00MAN-SEA
13h 05m1 stop
Icelandair Logo
15:35 - 10:45SEA-MAN
12h 10m1 stop
£543Icelandair
Find Deal
Tue, 25 Nov - Mon, 1 Dec
Finnair Logo
07:40 - 16:55MAN-SEA
17h 15m1 stop
Finnair Logo
00:59 - 14:00SEA-MAN
29h 01m2 stops
£553Finnair
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Mon, 24 Nov - Fri, 28 Nov
Aer Lingus Logo
10:00 - 18:20MAN-SEA
16h 20m1 stop
Aer Lingus Logo
20:05 - 19:15SEA-MAN
15h 10m1 stop
£559Aer Lingus
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Lufthansa Logo
17:40 - 14:20MAN-SEA
27h 40m1 stop
Lufthansa Logo
07:00 - 08:45SEA-MAN
17h 45m2 stops
£561Lufthansa
Find Deal
Thu, 30 Oct - Wed, 5 Nov
Aer Lingus Logo
19:45 - 19:20MAN-SEA
30h 35m1 stop
Aer Lingus Logo
00:59 - 13:25SEA-MAN
28h 26m2 stops
£679Aer Lingus
Find Deal
Mon, 22 Dec - Mon, 29 Dec
Lufthansa Logo
17:45 - 13:20MAN-SEA
51h 35m2 stops
Lufthansa Logo
07:00 - 23:20SEA-MAN
32h 20m2 stops
£730Lufthansa
Find Deal

Everything you should know

Top airlines
British Airways
Cheapest • from £520 (return)
KLM
Best reviews • 7.8 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
2 weeks
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 37% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
March
Cheapest • 14% price drop
September
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
£520
Overall average: £569
British Airways
Tue 25/11Tue 2/12
MAN - SEA • 1 stop
Cheapest one-way flight
£309
Typical prices: £531-695
Multiple Airlines
Wed 29/10
MAN - SEA • 3 stops
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KAYAK searches hundreds of sites at once to find you the best travel deals.
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Booking Insights

KAYAK's insights & trends for Manchester to Seattle flights

Get data-powered insights and trends into flights from Manchester to Seattle to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Manchester to Seattle?

The average price of all round-trip flights from Manchester to Seattle clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Seattle on a Wednesday and more expensive on a Friday. On your return trip to Manchester, you should consider flying back on a Wednesday, and avoid Tuesdays for better deals.

What is the cheapest month to fly from Manchester to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Manchester to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Manchester to Seattle is March, where tickets cost £539 (return) on average. On the other hand, the most expensive months are August and July, where the average cost of round-trip tickets is £867 and £717 respectively.

How far in advance should I book a flight from Manchester to Seattle?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Manchester to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Manchester to Seattle, you should book around 2 weeks before departure, which saves you about 37% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Good to know - Cheap tickets from Manchester to Seattle

Low seasonJanuary
Cheapest flight£309
Best time to beat the crowds (14% less expensive on average)
Most popular time to fly and prices are also 8% lower on average.
Flight from Manchester to Seattle

When to book flights from Manchester to Seattle

Are your dates flexible? Find out the best times to travel from Manchester to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Manchester to Seattle

  • What is the cheapest flight from Manchester to Seattle?

    In the last 3 days, the lowest price for a flight from Manchester to Seattle was £420 for a one-way ticket and £707 for a return.

  • Which aircraft models fly most regularly from Manchester to Seattle?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Manchester to Seattle?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Manchester and Seattle, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Manchester to Seattle, KLM or Finnair?

    The two airlines most popular with KAYAK users for flights from Manchester to Seattle are KLM and Finnair. With an average price for the route of £635 and an overall rating of 7.8, KLM is the most popular choice. Finnair is also a great choice for the route, with an average price of £601 and an overall rating of 7.6.

  • How does KAYAK find such low prices on flights from Manchester to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Manchester to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Manchester to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Manchester is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Manchester to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Seattle with an airline and back to Manchester with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Manchester to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Manchester up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines flying from Manchester to Seattle

 
See real verified KAYAK customer reviews for airlines flying from Manchester to Seattle. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Manchester to Seattle? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.8
KLMOverall score based on 1386 reviews
8.4Crew
7.8Boarding
7.7Comfort
7.3Food
7.2Entertainment
Airline reviews

The immigration hall in Amsterdam was understaffed, so passport checking was slower than it should be for a major airport. They need to get the automatic readers up and running for non EU passport holders. Waiting in line after a long flight feels a bit abusive.

10.0 ExcellentCameron, Sept 2025YYJ - YYC
Read more KLM reviews

The immigration hall in Amsterdam was understaffed, so passport checking was slower than it should be for a major airport. They need to get the automatic readers up and running for non EU passport holders. Waiting in line after a long flight feels a bit abusive.

Over 1 Hr delay. No APU so no AC on ground. Plane was hot during boarding and then they closed the doors over 20 minutes before engine start so interior of plane was steamy hot and stuffy. Could have been helped by opening doors until ready to depart.

Ad experience - been flying many years with them but they are losing out to other carriers with their service and bagage / seating policy. My 2 12-yo kids were not placed with the parent. Absurdity.

Short flight so it was okay. Nice crew, all very pleasant and professional. We were near the back in row 27 so just as we got our drinks, we started our descent so had to drink very quickly!

KLM remains a quality flag carrier airline which maintains its standards whilst all their competitors are lowering theirs.

The baggage drop-off in Stuttgart is bad: after online check-in you cannot use the automated baggage drop off as indicated on the website. You can use the terminals but have to cue to 1 of three open and slowly working counters to drop the bags. took about 45 minutes wait time.

Our first flight was delayed so we missed our connecting flight. However it was easy to book a later flight on their app.

My flight was delayed by 6 hours then I missed BOTH of my connecting flights, I then had to stay in the AIRPORT at JFK because soooooo many people also suffered from missing flights and there was no hotels available. I would like to be compensated for this experience! I had to stay in the airport for over 16 hours!

Klm start boarding while somw air issue in the plan

The service was great. However the lounge only gets passing grade

Food was the worst I’ve had on a VA flight. Normally it’s a lot better

I was my pleasure to fly virgin on my birthday for my first solo trip ever 🫶🏼

These are one of the older seat arrangements facing away from the windows! Not particularly convenient sets. No storage spaces. NO COAT HANGING HOOKS. Inconvenient business class seat compared to any other airlines of similar class. Staff are excellent! Extremely professional, friendly. Food is good too.

Overall, flight was excellent but check in was very slow for Premium Economy. Economy queue was shorter but we weren't allowed to use it.

The staff was not very polite but the flight was very very nice and comfortable and the entertainment was great

Great crew - old style upper class seats on the older fleet now feels dated

Premium economy more comfortable than economy, but not by much. Did was awful, do not try the omelette. Flight crew were helpful. Flight was delayed by over an hour. Overall but bad, arrived safely and thank God.

Food was excellent. Service was very good. Staff was very helpful to all passengers.

The crew was excellent as ever on Virgin. The special meal was poor unfortunately. More significantly when we arrived at Manchester Airport there was no air bridge provided and we had to exit the plane down a rickety stair case. This is unacceptable for a transatlantic flight. Whilst I understand that this is the airport’s fault at the end of the day the airline is responsible for our transportation and needs to do something.

Super friendly and helpful staff, from check-in desk to cabin crew.

Delays resulting in missed connecting flight. Attendant failed to arrange special assistance as promised to get us on connecting flight. Robyn was the particular attendant.

Very good except for the boarding process which was more hectic than it should have been

The flight from Cincinnati to Philadelphia was satisfactory and uneventful.

All of my Aer Lingus flights were delayed. The seat I purchased with extra leg room was exactly the same as my previous seat that was free. I would appreciate my money back.

It was fine. Not worth the premium price. Overhead bins were so high I could barely reach and no crew offered to help me. Average food. Lounge in Dublin - 51st and green- absolutely appalling. Plagued with hordes of flies, dirty, meager food and beverages. Shameful.

Dear Aer Lingus Customer Care, I am writing to formally raise a complaint regarding my recent experience on Aer Lingus flight EI53 from Dublin to Seattle on 22/08/2025. Both my wife and I were seated in 15D, 15E directly under a faulty air conditioning unit. Even though the unit was switched off, cold air continued seeping through the sides and blew directly onto us for the entire duration of the flight (over 9 hours). We reported the issue to the cabin crew, but the only attempted solution was placing a piece of food-packaging sticker over the vent. Unsurprisingly, this had no effect. When we pressed further, the crew told us: “It is hard to fix it because we don’t have an engineer on board.” As a result, my wife and I remained exposed to constant cold airflow for the whole flight, and both of us became unwell afterwards, experiencing chills, sore throat and fever at the end of the flight. This has caused significant distress, disrupted our work plans. This experience highlights both a serious maintenance issue and a lack of adequate care for passengers. We therefore request: A full investigation into the defective AC system on this aircraft. An explanation of why no effective remedy (such as reseating us) was provided. Compensation for the illness and disruption caused to both myself and my wife. We ask for a full written response within 28 days. Should this matter not be satisfactorily resolved, we are prepared to escalate the complaint to the Irish Aviation Authority and Commission for Aviation Regulation and other relevant authorities. Thank you for your urgent attention to this matter. Sincerely, Temuujin Tuvshingal Myagmarsuren Ganbold

Best travel day I've had in a long time. Everything went perfectly, no delays. 10 out of 10

Not JetBlue's fault but Aer Lingus never explained how to transfer to JetBlue.

Poor check-in experience in Manchester. Delayed boarding and check-in agent never explained how to transfer in NYC to JetBlue.

We had a long delay leaving IOM. No food or drunk service as it is a short flight. Shuttled by bus from terminal to plane with packed in conditions on bus.

Handling our luggage was the biggest issue - they lost it and we got it almost 3 days later. Really threw off the beginning of our trip and we really had to change our itinerary accordingly.

No meals included on this long international flight. Most airlines will offer you a meal when flying internationally. Not Icelandair. Your included choices are water and coffee. Poor customer service. The airport was also very confusing.

Best smelling onboard bathrooms ever. Even after use the whole flight. Biggest overhead bins. Most legroom in economy class. Great Icelandiic music. Really nice staff. Icelandair is awesome! (Don’t fly Air Canada! During the strike they lied about no flights available (I booked this flight myself) and hid the process to get money back on their website by obscuring menu titles, then made it difficult and time consuming to fill out. I’m Canadian. Don’t trust Air Canada!

Worst airline I’ve ever flown. Delayed 5.5 hrs, missed connecting flight, and missed an entire day of vacation. Zero customer service

Everything sucked. No food, one small glass of water, a tiny coffee, 5.5 hour delay with no customer service. Would never recommend flying them.

Boarded with no problems. Sat on the tarmac for an hour before taking off. We were the last ones on our connecting flight. Didn't think we were going to make it. Our flight to Iceland was similarly delayed. When we've flown other airlines, pilots have tried to make up time while in the air. This doesn't seem to be something that Icelandair does. We made all of our flights, but it was stressful and we didn't think it was going to happen based on the time we arrived.

Great experience on Icelandair flight from Newark to Amsterdam by way of Reykjavík. Courteous and professional staff. Food was solid. Service - outstanding. Cabin was a little warm.

Good service. No complementary food for international flight. WiFi kinda pricey. Got the job done for the right price.

Overall good for an economy fare. IMO the movie selection could be improved. Great that you can now connect bluetooth headphones to the entertainment system.

Paid for a Premium seat...minimal recline, no footrest. Maybe slightly wider than a cheap economy seat. Zero chance of getting any rest on this plane

what would have been better would have been that my booking not been canceled by the system and had I been informed that the booking had been cancelled by the system I could have immediately rebooked and not found out that there was an issue when I was told by the system that I needed to book in. It would have also been good if either the booking agent or BA or anyone been in anyway useful. In the end I had to rebook a flight at an additional cost of $350. So no I'm not impressed by BA any of the other parties involved.

Boarding was poor. Why are first class passengers not boarded first?! Bus to the plane and then held on a packed bus because we were waiting for people on the bus before to finish boarding. Seat belt on the fist clas seat is very uncomfortable, cutting into your neck. Other than that crew, seating and food were all excellent. Entertainment, as usual - rubbish.

Flight was delayed but my previous flight was as well so It worked to my advantage. This was my first time in first class. I don't think they ever stopped feeding us. The seating area was very spacious and comfortable. The attendants were wonderful, warm, friendly and very personable.

We had a pretty good experience. Enjoyed both the flights. Crew was very good and helpful.

They issued seat assignments and sat my 2 year-old in the row behind me, separate from me and my daughter. Communication/ customer service was terrible. They told me to change it in London, then in London, they told me to talk to the cabin crew, then a supervisor came and stuck us in the back of the plane when we were supposed to be in row 25. Overall, they need to really work on their customer service. Additionally the food was terrible and they ran out of meals and didn’t have any kid options. To top it off there was no in-flight entertainment for the first hour of the trip.

We missed the connection because we had to wait for a shuttle from the plane to the Terminal. Also, we needed assistance and none was available.

When we arrived at the airport - 1st step - printing out your boarding pass - no issue. Not long lines as these machines. 2nd step - processing your bag drop off. There was only one associate there to help 10 kiosks. We had a family in front of us for 20 minutes trying to work on the machine and figure out every step for 4 pieces of luggage. My husband alerted the associate who was able to assist the family. Highly suggest that there are more associates to assist in this process. Besides this issue, security check went very quickly. Our flight was direct to Philadelphia. We had to carry our bags down two flights of steps, then out to the tarmac to a bus, then carry our bags up two flights of stairs to the plane. No one on the flight was expecting that long trek. I could see some people were struggling a bit. All in all - great flight crew, plane was clean and food was great!

There were no gluten-free vegan options available, so food was very limited on this flight, and some of the crew weren’t especially helpful about it. To make matters worse, a passenger was sick on board, and although the area was cleaned, the smell lingered for the rest of the journey. On top of that, we ended up circling for an extra hour, which only made the unpleasant situation drag on even longer.

Checking in prior on line and wait time at Gatwick was terrible. I would rate a big fat ZERO.

I checked in to bags, one arrived one was delayed. I did not receive the bag for 4 days - arrived on Tuesday, received bag on Saturday!

Everything you need to know for your flight from Manchester to Seattle

Information on your arrival and departure airports

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