Which airlines fly to Idaho?

United Airlines, Virgin Atlantic and Lufthansa are the top three most popular airlines that fly to Idaho from United Kingdom according to our data. United Airlines is the first choice among our users, with 29% 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.

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

Lufthansa, Finnair, and Icelandair 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 08m on average. Another popular route from United Kingdom to Idaho is flying from Birmingham to Boise, which will take roughly 16h 40m. Keep in mind that layovers or delays could extend your travel time.

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 6 operators available for flights from United Kingdom to Idaho as of June 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.

£251 Cheap Flights from the United Kingdom to Idaho in 2025

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Find the cheapest flights from the United Kingdom to Idaho

Round-trip

One-way

Last minute

Recent return flight deals from the United Kingdom to Idaho

06:15 - 18:45LHR-GEG

20h 30m2 stops

13:30 - 09:50GEG-LHR

12h 20m1 stop

£474Virgin Atlantic

Find Deal

Tue, 9 Sep - Wed, 17 Sep

10:55 - 22:25LGW-GEG

19h 30m1 stop

13:40 - 10:55GEG-LGW

37h 15m2 stops

£478

Find Deal

Fri, 5 Sep - Sat, 20 Sep

07:25 - 09:52LHR-BOI

33h 27m2 stops

14:39 - 09:40BOI-LHR

12h 01m1 stop

£578United Airlines

Find Deal

Fri, 26 Sep - Mon, 6 Oct

07:25 - 09:52LHR-BOI

33h 27m2 stops

14:12 - 11:10BOI-LHR

13h 58m1 stop

£578United Airlines

Find Deal

Fri, 26 Sep - Mon, 6 Oct

18:00 - 11:39LHR-BOI

24h 39m2 stops

19:05 - 20:40BOI-LHR

18h 35m2 stops

£589Lufthansa

Find Deal

Thu, 25 Sep - Sun, 5 Oct

15:10 - 09:58LHR-BOI

25h 48m2 stops

14:40 - 07:25BOI-LHR

33h 45m1 stop

£592Lufthansa

Find Deal

Fri, 21 Nov - Sun, 30 Nov

08:40 - 22:57LCY-BOI

21h 17m2 stops

13:43 - 17:20BOI-LCY

20h 37m2 stops

£731KLM

Find Deal

Sat, 30 Aug - Sat, 13 Sep

11:45 - 22:55LHR-IDA

18h 10m2 stops

11:20 - 15:05IDA-LHR

20h 45m2 stops

£773KLM

Find Deal

Fri, 4 Jul - Thu, 10 Jul

12:00 - 13:17LHR-IDA

32h 17m1 stop

13:47 - 10:50IDA-LHR

14h 03m1 stop

£811British Airways

Find Deal

Fri, 4 Jul - Thu, 10 Jul

19:05 - 13:35LHR-GEG

26h 30m2 stops

14:25 - 19:45GEG-LHR

21h 20m2 stops

£925British Airways

Find Deal

Sun, 27 Jul - Sun, 3 Aug

United Airlines flights from United Kingdom to Idaho

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

United Airlines

26 Sept

LHR07:25London Heathrow

33h 27m

2 stops

BOI09:52Boise Air Term. Gowen Fld

6 Oct

BOI14:39Boise Air Term. Gowen Fld

12h 01m

1 stop

LHR09:40London Heathrow

£578

Find similar

United Airlines

26 Sept

LHR07:25London Heathrow

33h 27m

2 stops

BOI09:52Boise Air Term. Gowen Fld

6 Oct

BOI14:12Boise Air Term. Gowen Fld

13h 58m

1 stop

LHR11:10London Heathrow

£578

Find similar

United Airlines

26 Sept

LHR07:25London Heathrow

33h 27m

2 stops

BOI09:52Boise Air Term. Gowen Fld

6 Oct

BOI12:35Boise Air Term. Gowen Fld

16h 10m

1 stop

LHR11:45London Heathrow

£581

Find similar

KLM flights from United Kingdom to Idaho

Our best KLM deals on United Kingdom to Idaho flight tickets

KLM

30 Aug

LCY08:40London City

21h 17m

2 stops

BOI22:57Boise Air Term. Gowen Fld

13 Sept

BOI13:43Boise Air Term. Gowen Fld

20h 37m

2 stops

LCY17:20London City

£731

Find similar

KLM

4 Jul

LHR11:45London Heathrow

18h 10m

2 stops

IDA22:55Idaho Falls Fanning Field

10 Jul

IDA11:20Idaho Falls Fanning Field

20h 45m

2 stops

LHR15:05London Heathrow

£773

Find similar

KLM

26 Jul

LHR10:55London Heathrow

14h 16m

1 stop

IDA18:11Idaho Falls Fanning Field

2 Aug

IDA14:57Idaho Falls Fanning Field

11h 53m

1 stop

LHR09:50London Heathrow

£4,977

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 £583. 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 £590.

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 £620. 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 £855.

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 £640. 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 £829.

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 24 weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around £690 when searching 24 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 £567 on momondo.

Can stopping save me money on United Kingdom to Idaho flights?

You could potentially save up to 4% on your flight if you consider stops on a United Kingdom to Idaho flight.

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	£251
Fastest flight time	12h 59m
Direct flights	None
Airports in Idaho	4 airports

The best one-way flight to Idaho from United Kingdom in the past 72 hours is £251. The best return flight deal from United Kingdom to Idaho found on momondo in the last 72 hours is £474.

The fastest flight from United Kingdom to Idaho takes 12h 59m

There are no direct flights from United Kingdom to Idaho. Popular non-direct routes for this connection are London Heathrow Airport - Jackson Hole 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), Jackson Hole (JAC), Boise Air Term. Gowen Fld (BOI)

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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 6 operators available for flights from United Kingdom to Idaho as of June 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 £511	Free Cancellation	Rating 7.6 1,290 reviews	Search Finnair flights
KLM	PriceFrom £524	Free Cancellation	Rating 7.8 1,358 reviews	Search KLM flights
United Airlines	PriceFrom £528	Free Cancellation	Rating 7.4 8,790 reviews	Search United Airlines flights
Lufthansa	PriceFrom £531	Free Cancellation	Rating 6.7 7,139 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom £584	Free Cancellation	Rating 7.4 652 reviews	Search Virgin Atlantic flights
Iberia	PriceFrom £586	Free Cancellation	Rating 7.0 2,776 reviews	Search Iberia flights
British Airways	PriceFrom £602	Free Cancellation	Rating 6.6 7,011 reviews	Search British Airways flights
Icelandair	PriceFrom £628	Free Cancellation	Rating 7.0 499 reviews	Search Icelandair flights
Air France	PriceFrom £648	Free Cancellation	Rating 7.5 1,463 reviews	Search Air France 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.