What is the cheapest airline that flies from United Kingdom to Idaho?

Lufthansa, WestJet, and Finnair are the most popular carriers operating from United Kingdom to Idaho

How long is the flight from United Kingdom to Idaho?

Flight times from United Kingdom 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 16h 13m on average. Another popular route from United Kingdom to Idaho is flying from Birmingham to Boise, which will take roughly 22h 45m. Keep in mind that layovers or delays could extend your travel time.

Which airlines fly to Idaho?

Virgin Atlantic, Lufthansa and Finnair are the top three most popular airlines that fly to Idaho from United Kingdom according to our data. Virgin Atlantic is the first choice among our users, with 30% of people opting to fly with this airline when travelling to Idaho. Keep in mind that there are 8 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 United Kingdom to Idaho?

Prices for flights from United Kingdom to Idaho are updated daily.

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

There are 10 operators available for flights from United Kingdom to Idaho as of February 2025.

How old do you have to be to fly from United Kingdom to Idaho?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to Idaho.

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

The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£551 Cheap Flights from the United Kingdom to Idaho in 2025

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Recent return flight deals from the United Kingdom to Idaho

These are some of the best return flight deals from the United Kingdom to Idaho that have been recently found on momondo from popular airlines, departing in the coming months.

07:30 - 20:38LHR-GEG

21h 08m2 stops

13:46 - 09:40GEG-LHR

12h 54m1 stop

£551Lufthansa

Find Deal

Mon, 3 Mar - Mon, 10 Mar

06:30 - 21:29LHR-BOI

20h 59m2 stops

10:36 - 09:40BOI-LHR

16h 04m1 stop

£553Lufthansa

Find Deal

Mon, 17 Mar - Mon, 31 Mar

08:55 - 21:59LHR-BOI

20h 04m2 stops

18:56 - 07:25BOI-LHR

30h 29m1 stop

£556United Airlines

Find Deal

Wed, 5 Mar - Wed, 12 Mar

11:10 - 23:13LHR-BOI

19h 03m2 stops

08:30 - 07:55BOI-LHR

17h 25m1 stop

£557United Airlines

Find Deal

Tue, 4 Mar - Tue, 11 Mar

16:55 - 13:00LHR-JAC

27h 05m1 stop

15:47 - 12:05JAC-LHR

13h 18m1 stop

£642Finnair

Find Deal

Tue, 18 Feb - Sat, 1 Mar

09:10 - 22:44LHR-IDA

20h 34m2 stops

13:00 - 10:00IDA-LHR

15h 00m1 stop

£682Virgin Atlantic

Find Deal

Wed, 5 Mar - Tue, 11 Mar

10:45 - 18:18LHR-IDA

14h 33m1 stop

13:00 - 10:00IDA-LHR

15h 00m1 stop

£688Virgin Atlantic

Find Deal

Wed, 5 Mar - Wed, 12 Mar

10:45 - 18:18LHR-IDA

14h 33m1 stop

13:00 - 10:00IDA-LHR

15h 00m1 stop

£696KLM

Find Deal

Wed, 5 Mar - Wed, 12 Mar

09:10 - 18:18LHR-IDA

16h 08m2 stops

13:00 - 12:40IDA-LHR

17h 40m2 stops

£701KLM

Find Deal

Wed, 5 Mar - Wed, 12 Mar

16:25 - 12:29LHR-IDA

27h 04m1 stop

13:47 - 12:30IDA-LHR

15h 43m1 stop

£1,047Finnair

Find Deal

Wed, 28 May - Wed, 11 Jun

United Airlines flights from United Kingdom to Idaho

Our best United Airlines deals on United Kingdom to Idaho flight tickets

United Airlines

5 Mar

LHR08:55London Heathrow

20h 04m

2 stops

BOI21:59Boise Air Term. Gowen Fld

12 Mar

BOI18:56Boise Air Term. Gowen Fld

30h 29m

1 stop

LHR07:25London Heathrow

£556

Find similar

United Airlines

4 Mar

LHR11:10London Heathrow

19h 03m

2 stops

BOI23:13Boise Air Term. Gowen Fld

11 Mar

BOI07:00Boise Air Term. Gowen Fld

17h 20m

2 stops

LHR06:20London Heathrow

£557

Find similar

United Airlines

11 Mar

LHR11:10London Heathrow

32h 33m

2 stops

GEG12:43Spokane

25 Mar

GEG05:00Spokane

22h 50m

2 stops

LHR10:50London Heathrow

£558

Find similar

Scandinavian Airlines flights from United Kingdom to Idaho

Our best Scandinavian Airlines deals on United Kingdom to Idaho flight tickets

Scandinavian Airlines

22 Feb

LHR06:40London Heathrow

22h 41m

2 stops

BOI22:21Boise Air Term. Gowen Fld

10 Mar

BOI07:15Boise Air Term. Gowen Fld

26h 45m

2 stops

LHR16:00London Heathrow

£692

Find similar

Scandinavian Airlines

28 Feb

LHR19:30London Heathrow

33h 51m

2 stops

BOI22:21Boise Air Term. Gowen Fld

9 Mar

BOI07:15Boise Air Term. Gowen Fld

28h 25m

2 stops

LHR17:40London Heathrow

£745

Find similar

Scandinavian Airlines

7 Feb

LHR18:40London Heathrow

34h 41m

2 stops

BOI22:21Boise Air Term. Gowen Fld

9 Feb

BOI07:15Boise Air Term. Gowen Fld

25h 45m

2 stops

LHR16:00London Heathrow

£973

Find similar

How to get the cheapest flight ticket from United Kingdom 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 November is, on average, the cheapest month to fly to Idaho from United Kingdom, with most prices found around £609. If you’re not able to fly to Idaho in November, then February is your next best option. Flight prices from United Kingdom to Idaho during February average around £653.

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

On average, the least expensive day to fly to Idaho from United Kingdom is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £683. 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 United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £942.

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 United Kingdom to Idaho at midday for as low as £704. 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 £913.

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

You are more likely to see cheaper flights to Idaho from United Kingdom when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around £740 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from United Kingdom for as low as £628 on momondo.

Cheap United Kingdom to Idaho flight deals and tips

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

Best price found	£571
Fastest flight time	13h 15m
Direct flights	None
Airports in Idaho	4 airports

The best one-way flight to Idaho from United Kingdom in the past 72 hours is £571. The best return flight deal from United Kingdom to Idaho found on momondo in the last 72 hours is £551.

The fastest flight from United Kingdom to Idaho takes 13h 15m

There are no direct flights from United Kingdom to Idaho. Popular non-direct routes for this connection are London Heathrow Airport - Boise Air Term. Gowen Fld Airport, London Gatwick Airport - Spokane Airport and London Heathrow Airport - Spokane Airport.

There are 4 airports near Idaho: Idaho Falls Fanning Field (IDA), Spokane (GEG), Boise Air Term. Gowen Fld (BOI), Jackson Hole (JAC)

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When did momondo last update prices for flights from United Kingdom to Idaho?
Prices for flights from United Kingdom to Idaho are updated daily.
How many operators does momondo search for flights from United Kingdom to Idaho?
There are 10 operators available for flights from United Kingdom to Idaho as of February 2025.
How old do you have to be to fly from United Kingdom to Idaho?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United Kingdom to Idaho.
What documentation or ID do you need to fly to Idaho?
The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from United Kingdom to Idaho

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

Airline	Rating	Free Cancellation	Price
Finnair	PriceFrom £533	Free Cancellation	Rating 7.6 1,284 reviews	Search Finnair flights
United Airlines	PriceFrom £575	Free Cancellation	Rating 7.4 8,890 reviews	Search United Airlines flights
KLM	PriceFrom £577	Free Cancellation	Rating 7.8 1,334 reviews	Search KLM flights
Lufthansa	PriceFrom £582	Free Cancellation	Rating 6.7 7,040 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom £623	Free Cancellation	Rating 7.5 658 reviews	Search Virgin Atlantic flights
Iberia	PriceFrom £645	Free Cancellation	Rating 7.0 2,643 reviews	Search Iberia flights
British Airways	PriceFrom £663	Free Cancellation	Rating 6.6 6,783 reviews	Search British Airways flights
Icelandair	PriceFrom £677	Free Cancellation	Rating 7.0 499 reviews	Search Icelandair flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United Kingdom to Idaho. momondo saves you time and could save you money on your trip.

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

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

How can momondo help me find flights from United Kingdom to Idaho?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United Kingdom to Idaho.

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

Yes. momondo can track prices for United Kingdom to Idaho flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.