LON - BOI

£508 Find Cheap Flights from London to Boise

This is the cheapest return flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Boise departing on 30/8. 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 London to Boise.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Boise.
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Cheap Flights from London to Boise (LON-BOI)

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

Sat, 30 Aug - Sat, 13 Sep
 Logo
10:45 - 22:54LGW-BOI
19h 09m1 stop
 Logo
20:27 - 10:55BOI-LGW
31h 28m1 stop
Sat, 30 Aug - Sat, 13 Sep
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10:45 - 22:54LGW-BOI
19h 09m1 stop
 Logo
20:27 - 10:55BOI-LGW
31h 28m1 stop
Fri, 26 Sep - Mon, 6 Oct
United Airlines Logo
07:25 - 09:52LHR-BOI
33h 27m2 stops
United Airlines Logo
05:00 - 09:35BOI-LHR
21h 35m2 stops
£578United Airlines
Find Deal
Fri, 26 Sep - Mon, 6 Oct
United Airlines Logo
07:25 - 09:52LHR-BOI
33h 27m2 stops
United Airlines Logo
14:12 - 11:10BOI-LHR
13h 58m1 stop
£578United Airlines
Find Deal
Fri, 26 Sep - Mon, 6 Oct
Lufthansa Logo
10:35 - 19:15LHR-BOI
15h 40m1 stop
Lufthansa Logo
09:45 - 07:25BOI-LHR
14h 40m1 stop
£588Lufthansa
Find Deal
Fri, 26 Sep - Mon, 6 Oct
Lufthansa Logo
10:35 - 23:44LHR-BOI
20h 09m1 stop
Lufthansa Logo
14:12 - 11:10BOI-LHR
13h 58m1 stop
£589Lufthansa
Find Deal
Fri, 26 Sep - Mon, 6 Oct
Virgin Atlantic Logo
10:55 - 23:59LHR-BOI
20h 04m2 stops
Virgin Atlantic Logo
10:38 - 06:45BOI-LHR
37h 07m2 stops
£589Virgin Atlantic
Find Deal
Sat, 30 Aug - Sat, 13 Sep
Virgin Atlantic Logo
17:10 - 23:56LHR-BOI
37h 46m2 stops
Virgin Atlantic Logo
17:00 - 20:00BOI-LHR
20h 00m2 stops
£606Virgin Atlantic
Find Deal
Thu, 26 Jun - Mon, 7 Jul
Iberia Logo
15:10 - 23:19LHR-BOI
15h 09m1 stop
Iberia Logo
15:35 - 14:25BOI-LHR
15h 50m1 stop
£762Iberia
Find Deal
Thu, 26 Jun - Mon, 7 Jul
Iberia Logo
10:30 - 23:19LHR-BOI
19h 49m1 stop
Iberia Logo
15:35 - 12:45BOI-LHR
14h 10m1 stop
£765Iberia
Find Deal
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KAYAK's insights & trends for London to Boise flights

Get data-powered insights and trends into flights from London to Boise 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 London to Boise?

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

If you are looking for a flight deal from London to Boise, look for departures on Wednesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Boise, Wednesday is the cheapest day to fly and Thursday is the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London to Boise, 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 Boise is November, where tickets cost £583 (return) on average. On the other hand, the most expensive months are August and July, where the average cost of round-trip tickets is £1,000 and £863 respectively.

How far in advance should I book a flight from London to Boise?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London to Boise, 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 London to Boise, you should book around 5 weeks before departure. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.


Good to know - Cheap tickets from London to Boise

Low seasonMarch
High seasonJuly
Best time to beat the crowds (15% less expensive on average)
Most popular time to fly (24% more expensive on average)

When to book flights from London to Boise

Are your dates flexible? Find out the best times to travel from London to Boise 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 London to Boise

  • What is the cheapest flight from London to Boise?

    In the last 3 days, the lowest price for a flight from London to Boise was £828 for a one-way ticket and £690 for a return.

  • Which airports will I be using when flying from London to Boise?

    On your way to Boise, you’ll fly out from one of these London airports: London City or London Heathrow. You’ll be landing at Boise Air Term. Gowen Fld.

  • Which aircraft models fly most regularly from London to Boise?

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

  • Which airline alliances offer flights from London to Boise?

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

  • Which is the best airline for flights from London to Boise, KLM or Finnair?

    The two airlines most popular with KAYAK users for flights from London to Boise are KLM and Finnair. With an average price for the route of £672 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 £620 and an overall rating of 7.6.

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

    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 Boise.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boise from London 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 London to Boise?

    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 Boise with an airline and back to London with another airline.

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

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

Top 5 airlines serving from London to Boise

 
See real verified KAYAK customer reviews for airlines flying from London to Boise. 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 Boise? 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.
7.4
United AirlinesOverall score based on 8790 reviews
6.6Food
7.7Boarding
7.3Comfort
7.0Entertainment
8.1Crew
Airline reviews

Efficient, calm when things were delayed and kept us regularly informed of what was happening.

10.0 ExcellentAnonymous, Jun 2025YVR - DEN
Read more United Airlines reviews

Efficient, calm when things were delayed and kept us regularly informed of what was happening.

it was so bad. I tried to board my flight from vancouver to saskatoon. And to my surprise they did not board me cause the flight was changed and no email was send to me. and on my boarding pass which i got from seattle says different flight. I did not knew anyone from Vancouver, air canada crew was rude, i asked for today flight but they were rude and i had early morning dental appointment in saskatoon. I was so much in pain and my whole day is wasted today. and i suffered alot. They did provide me hotel but they did not provide me any food. I am really really disappointed first time had so bad experience with air canada. I may think twice to book it again. If i can get any reply or any composition that would be great. Thanks

It was fine, definitely older planes with no charging or anything. There’s no entertainment set up on board, but it is nice that they allow you to access the in flight entertainment from your phone without having to pay for the Wi-Fi and they do offer free texting.

Boarding was mayhem. Late boarding by 15 minutes because of lack of staff (missing 1 flight attendant. We had to wait for an arrival of another plane before we could board). Flight was a little rough, but cannot blame on airlines.

Impressed with the service despite turbulence because of the weather. Both flights arrived before their scheduled times.

Very comfortable (upgraded to business class). The audio on my screen didn’t work, but I managed to play the audio through my phone while watching the screen.

Great experience…left a bit behind schedule but made up fir that in the air and landed 10 minutes early 😁

I was supposed to be on business class at first class from Denver back to Miami due to weather changes. I missed my connection and it’s put on a flight to Fort Lauderdale. Instead of honoring my business class/1st class ticket, they put me in coach, but there were two first class seats open. I think it’s absolutely disgusting that I paid for first class $1300 ticket and they put me in economy and they had to open seats available and I have still not been refunded the difference. I ended up having to eat a snack box instead of the meal I was supposed to get and did not get home till 2 AM so I think that’s a little pathetic that I had to live off crackers for dinner And my poor dog ate some cheese and salami. Oh yes, apparently when they switched me to the new flight they forgot to mention I had a service dog

Excellent service despite turbulence during the flight. Flight attendants were remarkable!

Airbus plane, nice and polite staff, entertainment even as it was a short flight.

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

Following a paid seat upgrade for enhanced comfort, I encountered an unacceptable odor in my assigned area. It took three hours for the crew to relocate me, and the replacement seat was unacceptably close to the lavatory, offering no improvement.

Good overall. Cannot fault the airlines. I have had better entertainment systems before ie ice in Emirates but it was not too bad. Food was decent and staff were friendly.

I did not fly by vergin atlantic from bangalore to vasco da gama

Your flight delayed at Heathrow n I almost missed my mother funeral.you idiots. I had to waste 10 hours in different airports. Thank your stars I'm not suing you.

Miami airport needs more thorough signage. It was a long walk from my transport point to the check in desk,

Flight took off an hour late. Had to stay on the tarmac for half an hour after landing. Both annoying.

We had an unfortunate experience where we had to leave the aircraft after boarding, shortly before the scheduled takeoff time, and re-board. The reason given was that a passenger felt ill and had to cancel their plans and therefor their luggage had to be found and removed.

We’ve used VA before many times the experience is always been good they have lovely staff and the food is always delicious.

Everything about the flight was amazing from check in to boarding entertainment was okay food we didn’t try.

You get what you pay for. In general I like the service and flight attendants.

Excellent! Outstanding customer service, the best service I have received. Food was served, dinner, snacks, beverages, crew was there to greet you. 10/10

Charging $300 to be able to pick a seat next to your wife was nothing less than extortion.

My carry-on bag was taken from me when I boarded. It was checked through to London at no charge. It took a big of shuffling, but I was glad not to need to mind it until baggage claim.

Great to have power available for every seat in Premium Economy. I do wish the WiFi was less expensive. It was 23-24 Euros for the flight for one device. And there were times it was unavailable.

I’m very mad because I paid an extra $105 to change seats to an exit row with more leg room. The app clearly showed a gap in between the seats in the row I changed my seat to and I paid for it. When I boarded the plane, it wasn’t an exit row seat and no more room than my original seat. I feel like I was ripped off $105.

The crew on AA international flights in my experience are generally lazy, rude, and inefficient. These guys did not disappoint.

I had a great experience , crew was great and enjoyed the entertainment options I will be booking my next International trip with them .

Front desk was closed at 6 pm, I was unable to get my boarding pass and as such missed my connecting flight home.

I wish they could put the pre-tsa check on the tickets or global entry.

The food not that great. Did not like the fact that we could not purchase upgrade at the airport

We paid for business class, and my seat did not work at all. Each time I wanted to adjust the position, an attendant had to come to physically force the seat into its new position. They tried to fix it by fiddling with the electronics (military reset, for example), to no avail. Also, the food was just mediocre. We were at the end of a serving section, so they ran out of several choices. (This was on the flight from Los Angeles to Munich.)

The crew was the best I’ve ever encountered. Business class was spacious, immaculate, and very modern.

The flight was delayed by an hour. Made the connection uncomfortably tight.

The plane was very clean. The bathroom was clean as well. The land crew were very polite and informative and helpful. They informed me that there is a long way and challenging to go from international terminal to national terminal and in addition to getting my suitcases and going through customs and dropping them again for my second leg of trip which was San Francisco to Los Angeles . I have left knee issue and had a recent fall with aching muscles all over, the land crew suggested wheelchair help for me, God bless her. If I did not have help, I could not make it to my last terminal. Thank you UNITED AIRLINE!

I like the service and the efficiency. I am lactose intolerant and the lactose intolerant meal in business class was not astounding. Also, the business class fully reclining seats are not that comfortable.

Food was great but they didn't clear my meal tray for 3 hours. You'd think they could check though the cabin now and then.

Upon arriving at IAH, it was informed that the luggage had not arrived. Still waiting to hear back when it will be delivered.

I wasn’t allowed to board with my children. I was charged outrageous costs for basic carry on size luggage. The entertainment screens were outdated and not user friendly.

I was very happy with everything, thank you for the smooth flight ✈️

Better synchronizing the boarding processes. The audio announcements, the personnel and the digital signage were not saying the same thing. All confusion.

The first class seats were unusable, mine at the end of the flight, my husband's in the middle of the flight, and the one next to me was unusable either, they had to move the person to another seat.

Last minute gate change. Didn’t put our TSA global on our trip even though we asked multiple times to confirm. Did not help with food when could not eat what was served.

The cabin was bit colder than I like but the crew members looked after us very well. They did even offer hot water bottle and hot chocolate. I cannot rate the crew enough excellent is not good enough. They really were wonderful.

Boarding is always a challenge as folks in al groups crowd around for no reason, but crew handled it well. I once again applaud the LHR ground baggage staff as they got our bags from a flight at Terminal 5A to a flight in Terminal 5C within 40 minutes...amazing!

This flight from London to Chicago was actually on an AA airline. I did book through BA but the flight was AA. Great flight, hectic in Chicago, I wouldn't choose to fly through Chicago again, but that's not the airlines fault. The flight itself was great.

Push back is not working when I complaint a male staff he told me that most of the seats are like that so we can’t do anything

Seats were way too small. I got claustrophobic waiting for trash from meal to be taken away. I couldn't move to even close my tray until trash was taken.

Boarding was fairly chaotic. One of your employees clipped my ankle as he was passing with an empty wheelchair and not only did not apologize but stated something to the effect of “oh forGod’s sake.” There was plenty of room for him to pass. otherwise, everything was excellent.

Fantastic! Great seats! Friendly staff! Amazing selection of shows and movies! Smooth ride! I don’t know what more I could have asked for honestly. They made flying a breeze this time around.

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

Information on your arrival and departure airports

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