£286 Find Cheap Flights from London to Maine

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Maine departing on 17/4. 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, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Maine

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Maine, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Maine, as well as popular online travel agencies
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Cheap Flights from London to Maine

Cheapest return prices found by our users on KAYAK in the last 72 hours
Portland
Portland2 stops£565
Bangor
Bangor2 stops£596
Portland
Portland2 stops£565
Bangor
Bangor2 stops£596

Book Cheap London to Maine Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from London to Maine 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 London to Maine

Wed, 1 Jul - Mon, 13 Jul
Iberia Logo
10:50 - 19:50
LHR
-
BOS
14h 00m
1 stop
Iberia Logo
21:20 - 14:55
BOS
-
LHR
12h 35m
1 stop
£345Iberia
Thu, 7 May - Sun, 10 May
Icelandair Logo
13:05 - 18:50
LHR
-
BOS
10h 45m
1 stop
Icelandair Logo
20:50 - 20:20
BOS
-
LHR
18h 30m
1 stop
£346Icelandair
Mon, 4 May - Mon, 11 May
TAP AIR PORTUGAL Logo
12:05 - 20:45
LGW
-
BOS
13h 40m
1 stop
TAP AIR PORTUGAL Logo
23:15 - 20:25
BOS
-
LGW
16h 10m
1 stop
£346TAP AIR PORTUGAL
Fri, 27 Feb - Mon, 9 Mar
Finnair Logo
10:20 - 22:48
LHR
-
BOS
17h 28m
2 stops
Finnair Logo
13:00 - 06:20
BOS
-
LHR
13h 20m
1 stop
£347Finnair
Thu, 19 Mar - Sun, 22 Mar
TAP AIR PORTUGAL Logo
10:40 - 21:10
LGW
-
BOS
14h 30m
1 stop
TAP AIR PORTUGAL Logo
19:05 - 09:50
BOS
-
LGW
10h 45m
1 stop
£347TAP AIR PORTUGAL
Fri, 20 Feb - Tue, 24 Feb
British Airways Logo
17:05 - 19:45
LHR
-
BOS
7h 40mdirect
British Airways Logo
07:30 - 19:00
BOS
-
LHR
6h 30mdirect
£347British Airways
Thu, 21 May - Sat, 30 May
Icelandair Logo
13:00 - 18:50
LGW
-
BOS
10h 50m
1 stop
Icelandair Logo
20:50 - 11:45
BOS
-
LGW
9h 55m
1 stop
£347Icelandair
Tue, 24 Feb - Sun, 1 Mar
Finnair Logo
10:20 - 22:48
LHR
-
BOS
17h 28m
2 stops
Finnair Logo
14:12 - 07:20
BOS
-
LHR
12h 08m
1 stop
£350Finnair
Mon, 2 Mar - Mon, 9 Mar
United Airlines Logo
07:40 - 18:56
LHR
-
PWM
16h 16m
2 stops
United Airlines Logo
15:44 - 10:50
PWM
-
LHR
15h 06m
2 stops
£565United Airlines
Mon, 2 Mar - Mon, 9 Mar
United Airlines Logo
10:25 - 21:09
LHR
-
PWM
15h 44m
1 stop
United Airlines Logo
06:00 - 21:20
PWM
-
LHR
11h 20m
1 stop
£589United Airlines
Booking Insights

KAYAK's insights & trends for London to Maine flights

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

How much is a return flight from London to Maine?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from London to Maine departing in March.

What is the cheapest month to fly from London to Maine?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London to Maine, 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 London to Maine is October, when tickets cost £507 (return) on average. On the other hand, the most expensive months are December and August, when the average cost of return tickets is £828 and £794 respectively.

Good to know - Cheap tickets from London to Maine

Low seasonApril
Cheapest flight£286
Best time to beat the crowds (12% less expensive on average)
Most popular time to fly (33% more expensive on average)
Flight from London Luton Airport to Boston

FAQs - booking Maine flights

  • How does KAYAK find such low prices on flights from London to Maine?

    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 London to Maine.

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

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

  • What is the Hacker Fare option on flights from London to Maine?

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

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

    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 from London to Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines flying from London to Maine

 
See real verified KAYAK customer reviews for airlines flying from London to Maine. 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 London to Maine? 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.
7.6
FinnairOverall score based on 1357 reviews
8.2Crew
7.5Comfort
7.7Boarding
6.9Entertainment
6.7Food
Airline reviews

Very good seat, very comfortable, good food, and good service.

10.0 ExcellentSunny, Jan 2026
HEL - DEL
Read more Finnair reviews

Very good seat, very comfortable, good food, and good service.

It was a good flight, very comfortable seats for sleeping in business class. Probably the most comfortable business class seat I've ever had (20+ times in business class on various airlines). Service was good, but the only downside is my screen didn't work and it had to be reset multiple times to get it to shut off. I had to block my eyes because the screen was white almost the entire flight and I wore an eye mask when I slept. But when eating and reading in my seat, my eyes hurt because the only way to turn the screen off was reset it and the screen would only be off for a few minutes at a time.

Everything was wonderful! AirBus seats are more comfortable to sleep in as compared to the Boeing planes.

All reviews good because...flight from BWI to London ,economy seats was miserable. I usually book 1,step up from economy but this would have added 1500 bucks 1 way. Bit the bullet and upgraded for retun flight, otherwise all ratings would have been rock bottom.

Great. It was awesome to have boarding from the front and back of the plane as it made the process go very quickly

It was okay. The airplane was a little smaller than a flight from Thailand to Helsinki.

Wish that everyone would board the back of the plane first. Also let kids on first. The gate wasn’t open at arrival and we waited 45 minutes to takeoff. They made up for time in the air.

This was an absolutely exceptional flight. The flight attendants were extremely attentive and very friendly. They seemed to go out of their way to make us comfortable and to make sure that we had everything we needed., We were in business and were very happy with the size and the details for our pods. We would definitely recommend Finnair and will definitely be flying with them again.

We had an excellent trip with Finnair. This was our first time and we’re very pleased. The only issue was with the boarding - it was a little bit confusing and needs a little bit of streamlining.

Crew very lovely. Arrived an hour late due to bad weather. We were given new tickets to an other flight but it could have been organised better, so we did not have to run through the whole airport to.

Not being stranded in Chicago for her airport to 11:30 tomorrow morning the 3rd

the whole trip was smooth, and as comfortable as flying is these days. flight crew was friendly and very courteous and helpful.

Very poor. The flight was delayed from Toronto because some forget to do there job . I got to my connecting gate in San Francisco 10 minutes before the departure.but this didn’t let me board even though the flight was still there for an other 30 minutes. The the gentleman at the unite airline desk told me that they usually wait for passengers but air Canada called and told them not to we I been rerouted to Manila instead of Hong Kong . In San Francisco they mad me check in my carryon bag . I was told the it will directly go yo ho chi minn cuyt but I was told that by the Vietnams airline desk that’s not there I’m 10 hours behind my scheduled flight and looks like I I’m going without baggage. I don’t have a chance of catching ..

Great other than a couple very drunk guys that for a while kept bumping my seat from behind. The staff did their best to control them. Even refused serving them alcohol and allowed the gal sitting next to them to move.

The attendant on board was amazing. She should be doing business/first international long haul.

The boarding was cumbersome. The staff was not aligned. They called group 1 but then the agent said no. Then they called group 1 again but still would not board us. Then they called group 2 and they all came up and still hadn’t started boarding. Then someone came from the plane and said why is no one coming? And the agent said bc i thought not yet and she said I said over the walkie talkie to send the passengers down? What was not clear about that? Also, onboard, the crew gave announcements very ironic/authoritative, and in first class they gave us a cheesebox. My expectations based on competition airlines, is a warm meal. A little underwhelming.

I was fully checked in the prior night and i was unchecked and then didn’t have a seat when I boarded. Instead of an aisle seat, I was out in the middle seat of the very last row of the plane.

In overall it was a good experience, the only down point was that the entertainment screen was working properly.

This Japanese airline provides great service and very helpful in assisting their passengers.

Good crew. Boarding delays. Almost two hours wait for the bags in DC.

Because of weather and mechanical issues our flight was 4 hours late. The only compensation offered to us was a meal voucher to be used only at Boston Airport and only on the day issued. But by the time it was offered to us all the restaurants were closed, so there was no way to use that offer.

Friendly crew, efficient boarding and flight arrived early. Couldn’t ask for a better experience

Terrible. They canceled our early morning flight after midnight on the day of and had no available flights to rebook my family on for the next 72 hours. Yet they still had other flights that were not cancelled from JFK so it couldn’t be based on the weather. It felt like they canceled the flight based on it not being profitable enough for them. I am not interested in traveling with the again. The absolute worse customer service and lack of accountability.

Horribly rude check in at airport, worst in 25 years of flying. All over a simple issue they could have googled to resolve.

First time flying with JetBlue and never again. I went to the counter to request meet and assist because I'm 74 and my wife is 79. I walk with a cane and my wife is handicapped and has her own wheel chair. I told the agent that my wife and luggage was at the entrance door. The ticketing agent said to me that they don't offer meet and assist. I need to bring them our luggage and then go back and get my wife in order to get my boarding pass. As I went back to get my luggage a Southwest agent along with a TSA agent recognized the situation and came over and took my wife and luggage to the JetBlue ticketing counter alongside the line and told the JetBlue agent to issue to take our luggage as soon as they could.

Our flight was delayed 5 hours, very disorganized, bad communication, confusion. Only good thing was the crew.

1) No pilot available for 1 hour 2) no room for most passengers careyon in overhead—-> stowed below 3) when we landed we had to wait 45 min. Before docking at gate as gate was not ready

It was good. I prefer JB over other airlines.I just wish we had headphones for the films, but other than that - good.

we were delayed because of some safety check that wasn't done or available

Qatar Airways only had spicy meals on the menu in economy class. You might want to get food in the airport before boarding.

Everything you need to know for your flight from London to Maine

Cabin class types available on flights to Maine

Cabin classes available on flights to Maine. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.