What is the cheapest airline that flies from England to Idaho?

Iberia, WestJet, and Icelandair are the most popular carriers operating from England to Idaho

How long is the flight from England to Idaho?

Flight times from England to Idaho vary, but if you’re flying out of London and flying into Boise (one of the most popular routes), then the duration is 17h 46m on average. Another popular route from England to Idaho is flying from Birmingham to Boise, which will take roughly 19h 38m. Keep in mind that layovers or delays could extend your travel time.

Which airlines fly to Idaho?

United Airlines, Virgin Atlantic and KLM are the top three most popular airlines that fly to Idaho from England according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when travelling to Idaho. Keep in mind that there are 9 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from England to Idaho?

Prices for flights from England to Idaho were last updated today.

How many operators does momondo search for flights from England to Idaho?

As of October 2025, there are 10 operators available to choose from for flights from England to Idaho.

How old do you have to be to fly from England to Idaho?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from England to Idaho.

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

The travel and health documents required for your trip to Idaho 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 Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£475 Cheap Flights from England to Idaho in 2025/26

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Find the cheapest flights from England to Idaho

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

11:55 - 23:01LGW-BOI

18h 06m2 stops

06:28 - 10:55BOI-LGW

21h 27m2 stops

£534Multiple Airlines

Find Deal

Mon, 9 Feb - Mon, 16 Feb

07:40 - 09:59LHR-BOI

33h 19m2 stops

14:49 - 09:40BOI-LHR

11h 51m1 stop

£552United Airlines

Find Deal

Mon, 8 Dec - Mon, 15 Dec

11:35 - 18:07LHR-BOI

13h 32m1 stop

14:49 - 09:40BOI-LHR

11h 51m1 stop

£568Lufthansa

Find Deal

Tue, 9 Dec - Mon, 15 Dec

13:45 - 22:59LHR-GEG

17h 14m1 stop

12:33 - 12:00GEG-LHR

15h 27m1 stop

£569Lufthansa

Find Deal

Wed, 26 Nov - Wed, 3 Dec

11:55 - 20:59LGW-GEG

16h 04m2 stops

12:00 - 10:55GEG-LGW

15h 55m2 stops

£590Icelandair

Find Deal

Tue, 10 Mar - Tue, 17 Mar

15:40 - 22:21LGW-BOI

37h 41m2 stops

17:30 - 14:40BOI-LGW

38h 10m2 stops

£622Icelandair

Find Deal

Mon, 20 Apr - Mon, 27 Apr

12:40 - 23:59LHR-GEG

19h 19m2 stops

06:05 - 07:05GEG-LHR

17h 00m1 stop

£653Virgin Atlantic

Find Deal

Wed, 12 Nov - Thu, 20 Nov

07:45 - 00:09LCY-BOI

23h 24m2 stops

05:35 - 08:10BOI-LCY

19h 35m2 stops

£732Virgin Atlantic

Find Deal

Mon, 8 Dec - Mon, 15 Dec

20:55 - 18:14LHR-IDA

28h 19m2 stops

18:50 - 09:50IDA-LHR

32h 00m1 stop

£760KLM

Find Deal

Tue, 21 Apr - Fri, 1 May

10:45 - 18:17LHR-IDA

14h 32m1 stop

13:15 - 10:00IDA-LHR

13h 45m1 stop

£819KLM

Find Deal

Sat, 22 Nov - Wed, 26 Nov

United Airlines flights from England to Idaho

Our best United Airlines deals on England to Idaho flight tickets

United Airlines

8 Dec

LHR07:40London Heathrow

33h 19m

2 stops

BOI09:59Boise Air Term. Gowen Fld

15 Dec

BOI14:49Boise Air Term. Gowen Fld

11h 51m

1 stop

LHR09:40London Heathrow

£552

Find similar

United Airlines

8 Dec

LHR07:40London Heathrow

33h 19m

2 stops

BOI09:59Boise Air Term. Gowen Fld

15 Dec

BOI14:49Boise Air Term. Gowen Fld

11h 51m

1 stop

LHR09:40London Heathrow

£553

Find similar

United Airlines

9 Dec

LHR08:30London Heathrow

21h 15m

2 stops

BOI22:45Boise Air Term. Gowen Fld

15 Dec

BOI06:20Boise Air Term. Gowen Fld

20h 20m

1 stop

LHR09:40London Heathrow

£556

Find similar

Lufthansa flights from England to Idaho

Our best Lufthansa deals on England to Idaho flight tickets

Lufthansa

9 Dec

LHR11:35London Heathrow

13h 32m

1 stop

BOI18:07Boise Air Term. Gowen Fld

15 Dec

BOI14:49Boise Air Term. Gowen Fld

11h 51m

1 stop

LHR09:40London Heathrow

£568

Find similar

Lufthansa

26 Nov

LHR13:45London Heathrow

17h 14m

1 stop

GEG22:59Spokane

3 Dec

GEG12:33Spokane

15h 27m

1 stop

LHR12:00London Heathrow

£569

Find similar

Lufthansa

9 Dec

LHR06:35London Heathrow

20h 08m

2 stops

BOI19:43Boise Air Term. Gowen Fld

15 Dec

BOI10:40Boise Air Term. Gowen Fld

17h 10m

2 stops

LHR10:50London Heathrow

£570

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 9/2

11:55-23:01

2 stops18h 06m

Boise Air Term. Gowen Fld

Mon 16/2

06:28-10:55

2 stops21h 27m

£534

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 8/12

07:40-09:59

2 stops33h 19m

Boise Air Term. Gowen Fld

Mon 15/12

14:49-09:40

1 stop11h 51m

£552

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 9/12

11:35-18:07

1 stop13h 32m

Boise Air Term. Gowen Fld

Mon 15/12

14:49-09:40

1 stop11h 51m

£568

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 26/11

13:45-22:59

1 stop17h 14m

Spokane

Wed 3/12

12:33-12:00

1 stop15h 27m

£569

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Tue 10/3

11:55-20:59

2 stops16h 04m

Spokane

Tue 17/3

12:00-10:55

2 stops15h 55m

£590

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 20/4

15:40-22:21

2 stops37h 41m

Boise Air Term. Gowen Fld

Mon 27/4

17:30-14:40

2 stops38h 10m

£622

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Wed 12/11

12:40-23:59

2 stops19h 19m

Spokane

Thu 20/11

06:05-07:05

1 stop17h 00m

£653

LondonBoise

LCY - BOI

LCYBOI

London City

Mon 8/12

07:45-00:09

2 stops23h 24m

Boise Air Term. Gowen Fld

Mon 15/12

05:35-08:10

2 stops19h 35m

£732

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Tue 21/4

20:55-18:14

2 stops28h 19m

Idaho Falls Fanning Field

Fri 1/5

18:50-09:50

1 stop32h 00m

£760

LondonIdaho Falls

LHR - IDA

LHRIDA

London Heathrow

Sat 22/11

10:45-18:17

1 stop14h 32m

Idaho Falls Fanning Field

Wed 26/11

13:15-10:00

1 stop13h 45m

£819

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from England to Idaho

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

Other information

What is the cheapest month to fly to Idaho?

The month of September is, on average, the cheapest month to fly to Idaho from England, with most prices found around £601. If you’re not able to fly to Idaho in September, then February is your next best option. Flight prices from England to Idaho during February average around £609.

What is the cheapest day to depart on your flight to Idaho?

On average, the least expensive day to fly to Idaho from England is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £640. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from England because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £882.

What is the cheapest time of day to depart on your flight to Idaho?

According to our data, the cheapest time of day to fly to Idaho is at midday. momondo users have found flights departing from England to Idaho at midday for as low as £660. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive, with an average ticket price of £855.

How far in advance should I book a flight to Idaho?

You are more likely to see cheaper flights to Idaho from England when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around £710 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from England for as low as £584 on momondo.

Can stopping save me money on England to Idaho flights?

You could potentially save up to 8% on your flight if you consider stops on a England to Idaho flight.

Cheap England to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from England to Idaho

Direct flights	None

There are no direct flights from England to Idaho. There are no popular flight routes from England to Idaho.

Search flight deals

When did momondo last update prices for flights from England to Idaho?
Prices for flights from England to Idaho were last updated today.
How many operators does momondo search for flights from England to Idaho?
As of October 2025, there are 10 operators available to choose from for flights from England to Idaho.
How old do you have to be to fly from England to Idaho?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from England to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents required for your trip to Idaho 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 Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from England to Idaho

Compare and see reviews for airlines that fly from England to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Finnair	PriceFrom £527	Free Cancellation	Rating 7.6 1,333 reviews	Search Finnair flights
United Airlines	PriceFrom £550	Free Cancellation	Rating 7.4 8,995 reviews	Search United Airlines flights
Lufthansa	PriceFrom £553	Free Cancellation	Rating 6.8 7,543 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom £611	Free Cancellation	Rating 7.5 671 reviews	Search Virgin Atlantic flights
Scandinavian Airlines	PriceFrom £614	Free Cancellation	Rating 7.4 1,548 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom £638	Free Cancellation	Rating 6.7 7,489 reviews	Search British Airways flights
Icelandair	PriceFrom £661	Free Cancellation	Rating 7.1 562 reviews	Search Icelandair flights
Air France	PriceFrom £668	Free Cancellation	Rating 7.4 1,482 reviews	Search Air France flights
KLM	PriceFrom £711	Free Cancellation	Rating 7.7 1,406 reviews	Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from England to Idaho?

It is quick and easy to find England to Idaho flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Idaho that suits you.

Can I find flights from England to Idaho with flexible booking policies on momondo?

Yes. All flights to Idaho from England on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from England to Idaho?

Once all potential England to Idaho flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of England to Idaho flights. All you need is a valid email address and we will do the rest; it is that quick and easy.