Which layover airport offers the lowest fares from Boise to London?

Flights via Denver (DEN) offer the lowest average round-trip price of $801.

Which layover airport has the shortest travel time from Boise to London?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 12h 09m.

Which airport is the most popular layover for flights between Boise and London?

Seattle (SEA) was the most common stop: 90% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to London?

Delta, United Airlines and Virgin Atlantic are the top three most popular airlines that fly to London from Boise according to our data. Delta is the first choice among our users, with 32% of people opting to fly with this airline when traveling to London. Keep in mind that there are 5 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Boise to London?

Seattle (SEA) has the shortest average layover time for this route: 1h 11m.

What is the cheapest airline that flies from Boise Air Term. Gowen Fld to London?

Lufthansa, United Airlines, and Delta are the most popular carriers operating from Boise Air Term. Gowen Fld to London

When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to London?

Prices for flights from Boise Air Term. Gowen Fld Airport to London are refreshed on a daily basis.

How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to London?

The number of operators available for flights from Boise Air Term. Gowen Fld Airport to London is 5 as of March 2026.

How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to London?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to London.

What documentation or ID do you need to fly to London?

The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$284 Cheap Flights from Boise to London in 2026

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Find the cheapest flights from Boise to London

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One-way

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Cheap round-trip flights

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1:53 pm - 12:10 pm

BOI

LHR

15h 17m

1 stop

7:25 pm - 9:07 pm

LHR

BOI

32h 42m

2 stops

$846Iberia

Mon, Apr 13 - Mon, Apr 20

1:29 pm - 10:30 am

BOI

LHR

14h 01m

1 stop

10:05 am - 10:38 pm

LHR

BOI

19h 33m

1 stop

$851American Airlines

Sun, Apr 12 - Tue, Apr 28

1:29 pm - 10:30 am

BOI

LHR

14h 01m

1 stop

8:55 am - 10:38 pm

LHR

BOI

20h 43m

1 stop

$865Finnair

Wed, Apr 29 - Tue, May 12

1:29 pm - 10:30 am

BOI

LHR

14h 01m

1 stop

10:05 am - 10:38 pm

LHR

BOI

19h 33m

1 stop

$866Finnair

Mon, Apr 13 - Tue, Apr 28

1:53 pm - 6:15 pm

BOI

LHR

21h 22m

2 stops

12:55 pm - 9:07 pm

LHR

BOI

15h 12m

1 stop

$874Iberia

Tue, Apr 28 - Tue, May 5

4:38 pm - 2:40 pm

BOI

LGW

15h 02m

2 stops

1:00 pm - 11:02 pm

LGW

BOI

17h 02m

2 stops

$925Icelandair

Tue, Apr 28 - Tue, May 5

2:44 pm - 5:55 pm

BOI

LCY

20h 11m

2 stops

9:15 am - 9:25 pm

LCY

BOI

19h 10m

2 stops

$930Lufthansa

Mon, Aug 17 - Tue, Aug 25

4:38 pm - 2:40 pm

BOI

LGW

15h 02m

2 stops

1:00 pm - 11:02 pm

LGW

BOI

17h 02m

2 stops

$934Icelandair

Mon, May 4 - Tue, May 12

3:44 pm - 4:00 pm

BOI

LGW

17h 16m

2 stops

10:25 am - 10:13 pm

LGW

BOI

18h 48m

2 stops

$975Delta

Mon, May 4 - Thu, May 14

2:33 pm - 5:55 pm

BOI

LCY

20h 22m

2 stops

9:15 am - 9:17 pm

LCY

BOI

19h 02m

2 stops

$1,061Lufthansa

Sat, May 2 - Mon, May 11

Scandinavian Airlines flights from Boise to London

Our best Scandinavian Airlines deals on Boise to London flight tickets

Scandinavian Airlines

Sep 9

BOI3:30 pmBoise Air Term. Gowen Fld

19h 10m

2 stops

LHR5:40 pmLondon Heathrow

Sep 17

LHR7:30 pmLondon Heathrow

34h 34m

2 stops

BOI11:04 pmBoise Air Term. Gowen Fld

$761

Scandinavian Airlines

Sep 8

BOI10:23 amBoise Air Term. Gowen Fld

24h 17m

2 stops

LHR5:40 pmLondon Heathrow

Sep 26

LHR6:40 amLondon Heathrow

20h 38m

2 stops

BOI8:18 pmBoise Air Term. Gowen Fld

$864

Scandinavian Airlines

Sep 9

BOI3:30 pmBoise Air Term. Gowen Fld

19h 10m

2 stops

LHR5:40 pmLondon Heathrow

Sep 17

LHR7:50 pmLondon Heathrow

29h 45m

3 stops

BOI6:35 pmBoise Air Term. Gowen Fld

$873

Finnair flights from Boise to London

Our best Finnair deals on Boise to London flight tickets

Finnair

Sep 9

BOI7:28 amBoise Air Term. Gowen Fld

23h 57m

1 stop

LHR2:25 pmLondon Heathrow

Sep 17

LHR12:55 pmLondon Heathrow

15h 12m

1 stop

BOI9:07 pmBoise Air Term. Gowen Fld

$805

Finnair

Apr 29

BOI1:29 pmBoise Air Term. Gowen Fld

14h 01m

1 stop

LHR10:30 amLondon Heathrow

May 12

LHR8:55 amLondon Heathrow

20h 43m

1 stop

BOI10:38 pmBoise Air Term. Gowen Fld

$865

Finnair

Aug 23

BOI6:44 amBoise Air Term. Gowen Fld

19h 16m

1 stop

LHR9:00 amLondon Heathrow

Sep 6

LHR8:55 amLondon Heathrow

20h 22m

1 stop

BOI10:17 pmBoise Air Term. Gowen Fld

$902

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 4/13

1:53 pm-12:10 pm

1 stop15h 17m

London Heathrow

Mon 4/20

7:25 pm-9:07 pm

2 stops32h 42m

$846

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Sun 4/12

1:29 pm-10:30 am

1 stop14h 01m

London Heathrow

Tue 4/28

10:05 am-10:38 pm

1 stop19h 33m

$851

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 4/29

1:29 pm-10:30 am

1 stop14h 01m

London Heathrow

Tue 5/12

8:55 am-10:38 pm

1 stop20h 43m

$865

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 4/13

1:29 pm-10:30 am

1 stop14h 01m

London Heathrow

Tue 4/28

10:05 am-10:38 pm

1 stop19h 33m

$866

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 4/28

1:53 pm-6:15 pm

2 stops21h 22m

London Heathrow

Tue 5/5

12:55 pm-9:07 pm

1 stop15h 12m

$874

Quickest round-trip

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Tue 4/28

4:38 pm-2:40 pm

2 stops15h 02m

London Gatwick

Tue 5/5

1:00 pm-11:02 pm

2 stops17h 02m

$925

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Mon 8/17

2:44 pm-5:55 pm

2 stops20h 11m

London City

Tue 8/25

9:15 am-9:25 pm

2 stops19h 10m

$930

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Mon 5/4

4:38 pm-2:40 pm

2 stops15h 02m

London Gatwick

Tue 5/12

1:00 pm-11:02 pm

2 stops17h 02m

$934

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Mon 5/4

3:44 pm-4:00 pm

2 stops17h 16m

London Gatwick

Thu 5/14

10:25 am-10:13 pm

2 stops18h 48m

$975

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Sat 5/2

2:33 pm-5:55 pm

2 stops20h 22m

London City

Mon 5/11

9:15 am-9:17 pm

2 stops19h 02m

$1,061

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boise to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to London?

The cheapest month to fly to London from Boise is in October. Flight prices, which tend to average around $701, are often lower during this time because this is during the off-season. The month of April is another great option to travel to London, with average flight prices from Boise averaging around $707.

How have Boise to London flight prices changed over time?

When to book flights from Boise to London

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to London according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boise to London (BOI to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to London

Fastest flight time	12h 36m
Direct flights	None

The fastest flight from Boise to London takes 12h 36m

There are no direct flights from Boise to London. There are no popular flight routes from Boise to London.

Search flight deals

How far is Boise Air Term. Gowen Fld to London by plane?
London is 4834.5 mi away from Boise Air Term. Gowen Fld. Flights usually cover this in 12h 36m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to London?
Prices for flights from Boise Air Term. Gowen Fld Airport to London are refreshed on a daily basis.
How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to London?
The number of operators available for flights from Boise Air Term. Gowen Fld Airport to London is 5 as of March 2026.
How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to London?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boise Air Term. Gowen Fld Airport to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Boise to London?
Based on momondo bookings for flights between Boise and London, the leading airline is United Airlines, making up 41% of the total bookings. Other popular airlines include Delta with 31% and Virgin Atlantic with 28%.

Best airlines flying from Boise to London

Compare and see reviews for airlines that fly from Boise to London with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $577	Free Cancellation	Rating 7.8 1,471 reviews	Search KLM flights
Virgin Atlantic	PriceFrom $604	Free Cancellation	Rating 7.5 682 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom $639	Free Cancellation	Rating 7.4 9,434 reviews	Search United Airlines flights
Delta	PriceFrom $678	Free Cancellation	Rating 7.9 8,288 reviews	Search Delta flights
American Airlines	PriceFrom $703	Free Cancellation	Rating 7.1 11,470 reviews	Search American Airlines flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Crawley

Wembley

Hayes

Dartford

Croydon

Harrow

Watford

Brentwood

Guildford

Stansted

Cobham

Folkestone

Romford

Richmond

Why use momondo?

Why should I use momondo to find a flight deal from Boise to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boise to London. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boise to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Boise which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boise to London?

momondo helps you find the best flight between Boise and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boise to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Boise. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Boise to London from $284

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to London departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Boise to London

What is the cheapest month to fly to London?

How have Boise to London flight prices changed over time?

What is the cheapest airline that flies from Boise Air Term. Gowen Fld to London?

What airlines fly to London?

Which airport is the most popular layover for flights between Boise and London?

Which layover airport offers the lowest fares from Boise to London?

Which layover airport has the shortest travel time from Boise to London?

Which layover airport has the shortest connection time from Boise to London?

When to book flights from Boise to London

Cheap Boise to London (BOI to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boise to London

Fastest flight time

Direct flights

Best airlines flying from Boise to London

Compare and see reviews for airlines that fly from Boise to London with momondo

Traveling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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