Which airlines fly to Idaho?

Virgin Atlantic, United Airlines and Lufthansa are the top three most popular airlines that fly to Idaho from London Heathrow Airport according to our data. Virgin Atlantic is the first choice among our users, with 32% of people opting to fly with this airline when travelling to Idaho. Keep in mind that there are 7 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 London Heathrow to Idaho?

WestJet, Lufthansa, and Icelandair are the most popular carriers operating from London Heathrow to Idaho

When did momondo last update prices for flights from London Heathrow Airport to Idaho?

Prices for flights from London Heathrow Airport to Idaho refresh daily.

How many operators does momondo search for flights from London Heathrow Airport to Idaho?

There are 7 operators available for flights from London Heathrow Airport to Idaho as of April 2025.

How old do you have to be to fly from London Heathrow Airport to Idaho?

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 London Heathrow Airport to Idaho.

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

The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£317 Cheap Flights from London Heathrow Airport to Idaho in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London Heathrow Airport to Idaho

Round-trip

One-way

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London Heathrow Airport to Idaho.

08:30 - 23:44LHR-BOI

22h 14m2 stops

19:09 - 20:40BOI-LHR

18h 31m2 stops

£583Lufthansa

Find Deal

Fri, 26 Sep - Mon, 6 Oct

14:05 - 11:31LHR-BOI

28h 26m2 stops

14:13 - 11:10BOI-LHR

13h 57m1 stop

£599United Airlines

Find Deal

Fri, 26 Sep - Mon, 6 Oct

13:05 - 23:44LHR-BOI

17h 39m2 stops

07:00 - 06:20BOI-LHR

16h 20m2 stops

£606United Airlines

Find Deal

Fri, 26 Sep - Mon, 6 Oct

14:45 - 00:06LHR-GEG

41h 21m2 stops

17:35 - 07:15GEG-LHR

29h 40m2 stops

£634Virgin Atlantic

Find Deal

Sun, 8 Jun - Sun, 15 Jun

07:30 - 20:32LHR-GEG

21h 02m2 stops

14:05 - 07:25GEG-LHR

33h 20m1 stop

£652United Airlines

Find Deal

Fri, 10 Oct - Sun, 2 Nov

12:20 - 23:15LHR-GEG

18h 55m1 stop

14:05 - 07:25GEG-LHR

33h 20m1 stop

£653Lufthansa

Find Deal

Fri, 10 Oct - Sun, 2 Nov

10:55 - 18:15LHR-GEG

15h 20m1 stop

17:35 - 11:20GEG-LHR

33h 45m1 stop

£660Virgin Atlantic

Find Deal

Sun, 8 Jun - Sun, 15 Jun

14:20 - 22:52LHR-BOI

15h 32m1 stop

16:01 - 13:00BOI-LHR

13h 59m1 stop

£781British Airways

Find Deal

Thu, 22 May - Mon, 2 Jun

09:55 - 20:16LHR-JAC

17h 21m2 stops

08:30 - 13:30JAC-LHR

22h 00m1 stop

£911KLM

Find Deal

Mon, 9 Jun - Mon, 16 Jun

17:10 - 21:03LHR-JAC

34h 53m2 stops

11:30 - 14:15JAC-LHR

19h 45m2 stops

£3,407KLM

Find Deal

Wed, 10 Sep - Wed, 17 Sep

Lufthansa flights from London Heathrow Airport to Idaho

Our best Lufthansa deals on London Heathrow Airport to Idaho flight tickets

Lufthansa

26 Sept

LHR08:30London Heathrow

22h 14m

2 stops

BOI23:44Boise Air Term. Gowen Fld

6 Oct

BOI19:09Boise Air Term. Gowen Fld

18h 31m

2 stops

LHR20:40London Heathrow

£583

Find similar

Lufthansa

28 Jun

LHR18:00London Heathrow

24h 43m

2 stops

BOI11:43Boise Air Term. Gowen Fld

7 Jul

BOI19:15Boise Air Term. Gowen Fld

33h 30m

2 stops

LHR11:45London Heathrow

£653

Find similar

Lufthansa

28 Jun

LHR18:00London Heathrow

24h 43m

2 stops

BOI11:43Boise Air Term. Gowen Fld

7 Jul

BOI19:15Boise Air Term. Gowen Fld

33h 30m

2 stops

LHR11:45London Heathrow

£654

Find similar

United Airlines flights from London Heathrow Airport to Idaho

Our best United Airlines deals on London Heathrow Airport to Idaho flight tickets

United Airlines

26 Sept

LHR14:05London Heathrow

28h 26m

2 stops

BOI11:31Boise Air Term. Gowen Fld

6 Oct

BOI14:13Boise Air Term. Gowen Fld

13h 57m

1 stop

LHR11:10London Heathrow

£599

Find similar

United Airlines

26 Sept

LHR13:05London Heathrow

17h 39m

2 stops

BOI23:44Boise Air Term. Gowen Fld

6 Oct

BOI07:00Boise Air Term. Gowen Fld

16h 20m

2 stops

LHR06:20London Heathrow

£606

Find similar

United Airlines

10 Oct

LHR07:30London Heathrow

21h 02m

2 stops

GEG20:32Spokane

2 Nov

GEG14:05Spokane

33h 20m

1 stop

LHR07:25London Heathrow

£652

Find similar

How to get the cheapest flight ticket from London Heathrow Airport 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

What is the cheapest month to fly to Idaho?

The month of January is, on average, the cheapest month to fly to Idaho from London Heathrow Airport, with most prices found around £563. If you’re not able to fly to Idaho in January, then November is your next best option. Flight prices from London Heathrow Airport to Idaho during November average around £593.

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

On average, the least expensive day to fly to Idaho from London Heathrow Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £633. 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 London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £873.

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 London Heathrow Airport to Idaho at midday for as low as £653. 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 £846.

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

You are more likely to see cheaper flights to Idaho from London Heathrow Airport when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around £697 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from London Heathrow Airport for as low as £545 on momondo.

Cheap London Heathrow Airport to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Idaho

Best price found	£317
Fastest flight time	12h 51m
Direct flights	None
Airports in Idaho	5 airports

The best one-way flight to Idaho from London Heathrow Airport in the past 72 hours is £317. The best return flight deal from London Heathrow Airport to Idaho found on momondo in the last 72 hours is £583.

The fastest flight from London Heathrow Airport to Idaho takes 12h 51m

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

There are 5 airports near Idaho: Idaho Falls Fanning Field (IDA), Spokane (GEG), Boise Air Term. Gowen Fld (BOI), Jackson Hole (JAC), Hailey Sun Valley-Friedman (SUN)

Search flight deals

When did momondo last update prices for flights from London Heathrow Airport to Idaho?
Prices for flights from London Heathrow Airport to Idaho refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Idaho?
There are 7 operators available for flights from London Heathrow Airport to Idaho as of April 2025.
How old do you have to be to fly from London Heathrow Airport to Idaho?
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 London Heathrow Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from London Heathrow Airport to Idaho

Compare and see reviews for airlines that fly from London Heathrow Airport to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Finnair	PriceFrom £494	Free Cancellation	Rating 7.6 1,272 reviews	Search Finnair flights
United Airlines	PriceFrom £534	Free Cancellation	Rating 7.4 8,688 reviews	Search United Airlines flights
KLM	PriceFrom £535	Free Cancellation	Rating 7.8 1,334 reviews	Search KLM flights
Lufthansa	PriceFrom £542	Free Cancellation	Rating 6.7 7,032 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom £582	Free Cancellation	Rating 7.4 642 reviews	Search Virgin Atlantic flights
Icelandair	PriceFrom £667	Free Cancellation	Rating 7.0 484 reviews	Search Icelandair flights
British Airways	PriceFrom £675	Free Cancellation	Rating 6.6 6,820 reviews	Search British Airways flights

Why use momondo?

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

It is quick and easy to find London 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 London to Idaho with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Idaho from London with this policy.

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

momondo provides multiple filters to help you find the best flight to Idaho from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for London 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.