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

Iberia, American Airlines, and Alaska Airlines are the most popular carriers operating from England to Idaho

Which airlines fly to Idaho?

United Airlines, Virgin Atlantic and Alaska Airlines 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 36% of people opting to fly with this airline when travelling to Idaho. Keep in mind that there are 6 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

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 24h 10m on average. Another popular route from England to Idaho is flying from Birmingham to Boise, which will take roughly 24h 33m. Keep in mind that layovers or delays could extend your travel time.

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 2026, there are 6 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.

£434 Cheap Flights from England to Idaho in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from England to Idaho

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:40 - 00:04LHR London Heathrow-BOI Boise Air Term. Gowen Fld

23h 24m2 stops Kastrup Copenhagen Los Angeles

16:10 - 17:40BOI Boise Air Term. Gowen Fld-LHR London Heathrow

18h 30m2 stops Los Angeles Kastrup Copenhagen

£625Scandinavian Airlines

Sun, 1 Nov - Sat, 14 Nov

14:45 - 23:59LHR London Heathrow-BOI Boise Air Term. Gowen Fld

15h 14m1 stop Seattle/Tacoma Intl

06:37 - 12:20BOI Boise Air Term. Gowen Fld-LHR London Heathrow

22h 43m1 stop Seattle/Tacoma Intl

£636Alaska Airlines

Thu, 29 Oct - Thu, 5 Nov

11:10 - 18:03LHR London Heathrow-BOI Boise Air Term. Gowen Fld

36h 53m2 stops Toronto Pearson Intl Denver Intl

06:30 - 11:20BOI Boise Air Term. Gowen Fld-LHR London Heathrow

21h 50m2 stops Denver Intl Toronto Pearson Intl

£670Air Canada

Thu, 29 Oct - Thu, 5 Nov

06:30 - 18:17LHR London Heathrow-BOI Boise Air Term. Gowen Fld

17h 47m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

13:53 - 10:40BOI Boise Air Term. Gowen Fld-LHR London Heathrow

13h 47m1 stop Seattle/Tacoma Intl

£671Multiple Airlines

Thu, 29 Oct - Thu, 5 Nov

14:45 - 11:09LHR London Heathrow-SUN Hailey Sun Valley-Friedman

27h 24m1 stop Seattle/Tacoma Intl

11:23 - 12:20SUN Hailey Sun Valley-Friedman-LHR London Heathrow

17h 57m1 stop Seattle/Tacoma Intl

£694Alaska Airlines

Sat, 12 Dec - Tue, 5 Jan

07:40 - 23:33LHR London Heathrow-BOI Boise Air Term. Gowen Fld

22h 53m2 stops Chicago O'Hare Intl San Francisco

10:34 - 09:40BOI Boise Air Term. Gowen Fld-LHR London Heathrow

16h 06m1 stop Denver Intl

£706United Airlines

Tue, 17 Nov - Tue, 24 Nov

06:35 - 21:15LHR London Heathrow-BOI Boise Air Term. Gowen Fld

21h 40m2 stops Munich Franz Josef Strauss San Francisco

06:20 - 11:20BOI Boise Air Term. Gowen Fld-LHR London Heathrow

22h 00m2 stops San Francisco Toronto Pearson Intl

£735United Airlines

Sat, 21 Nov - Sat, 28 Nov

17:00 - 18:03MAN Manchester-BOI Boise Air Term. Gowen Fld

56h 03m2 stops Munich Franz Josef Strauss Denver Intl

12:31 - 17:00BOI Boise Air Term. Gowen Fld-MAN Manchester

45h 29m2 stops Chicago O'Hare Intl Frankfurt am Main

£784Lufthansa

Sun, 15 Nov - Sun, 22 Nov

07:25 - 21:35LHR London Heathrow-BOI Boise Air Term. Gowen Fld

21h 10m2 stops Munich Franz Josef Strauss Denver Intl

08:28 - 05:55BOI Boise Air Term. Gowen Fld-LHR London Heathrow

14h 27m1 stop Chicago O'Hare Intl

£855Lufthansa

Fri, 23 Oct - Wed, 4 Nov

12:20 - 23:03LHR London Heathrow-LWS Lewiston Nez Perce Rgnl

18h 43m1 stop Seattle/Tacoma Intl

09:08 - 10:40LWS Lewiston Nez Perce Rgnl-LHR London Heathrow

17h 32m1 stop Seattle/Tacoma Intl

£1,382KLM

Sat, 14 Nov - Sat, 21 Nov

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Delta flights from England to Idaho

Our best Delta deals on England to Idaho flight tickets

Delta

12 Nov

MAN14:55Manchester

29h 57m

1 stop

BOI13:52Boise Air Term. Gowen Fld

16 Nov

BOI13:19Boise Air Term. Gowen Fld

19h 46m

2 stops

MAN16:05Manchester

£938

Delta

12 Dec

LHR10:45London Heathrow

32h 29m

1 stop

SUN12:14Hailey Sun Valley-Friedman

5 Jan

SUN15:25Hailey Sun Valley-Friedman

21h 45m

2 stops

LHR20:10London Heathrow

£941

Delta

15 Nov

MAN11:00Manchester

17h 59m

1 stop

BOI21:59Boise Air Term. Gowen Fld

22 Nov

BOI08:49Boise Air Term. Gowen Fld

24h 16m

2 stops

MAN16:05Manchester

£991

Alaska Airlines flights from England to Idaho

Our best Alaska Airlines deals on England to Idaho flight tickets

Alaska Airlines

29 Oct

LHR14:45London Heathrow

15h 14m

1 stop

BOI23:59Boise Air Term. Gowen Fld

5 Nov

BOI06:37Boise Air Term. Gowen Fld

22h 43m

1 stop

LHR12:20London Heathrow

£636

Alaska Airlines

12 Dec

LHR14:45London Heathrow

27h 24m

1 stop

SUN11:09Hailey Sun Valley-Friedman

5 Jan

SUN11:23Hailey Sun Valley-Friedman

17h 57m

1 stop

LHR12:20London Heathrow

£694

Alaska Airlines

17 Nov

LHR14:45London Heathrow

16h 04m

1 stop

BOI23:49Boise Air Term. Gowen Fld

24 Nov

BOI16:20Boise Air Term. Gowen Fld

13h 00m

1 stop

LHR12:20London Heathrow

£707

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Sun 1/11

06:40-00:04

2 stops23h 24m

Boise Air Term. Gowen Fld

Sat 14/11

16:10-17:40

2 stops18h 30m

£625

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Thu 29/10

14:45-23:59

1 stop15h 14m

Boise Air Term. Gowen Fld

Thu 5/11

06:37-12:20

1 stop22h 43m

£636

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Thu 29/10

11:10-18:03

2 stops36h 53m

Boise Air Term. Gowen Fld

Thu 5/11

06:30-11:20

2 stops21h 50m

£670

Fastest return journey

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Thu 29/10

06:30-18:17

2 stops17h 47m

Boise Air Term. Gowen Fld

Thu 5/11

13:53-10:40

1 stop13h 47m

£671

LondonHailey

LHR London Heathrow - SUN Hailey Sun Valley-Friedman

LHRSUN

London Heathrow

Sat 12/12

14:45-11:09

1 stop27h 24m

Hailey Sun Valley-Friedman

Tue 5/1

11:23-12:20

1 stop17h 57m

£694

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Tue 17/11

07:40-23:33

2 stops22h 53m

Boise Air Term. Gowen Fld

Tue 24/11

10:34-09:40

1 stop16h 06m

£706

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Sat 21/11

06:35-21:15

2 stops21h 40m

Boise Air Term. Gowen Fld

Sat 28/11

06:20-11:20

2 stops22h 00m

£735

ManchesterBoise

MAN Manchester - BOI Boise Air Term. Gowen Fld

MANBOI

Manchester

Sun 15/11

17:00-18:03

2 stops56h 03m

Boise Air Term. Gowen Fld

Sun 22/11

12:31-17:00

2 stops45h 29m

£784

LondonBoise

LHR London Heathrow - BOI Boise Air Term. Gowen Fld

LHRBOI

London Heathrow

Fri 23/10

07:25-21:35

2 stops21h 10m

Boise Air Term. Gowen Fld

Wed 4/11

08:28-05:55

1 stop14h 27m

£855

LondonLewiston

LHR London Heathrow - LWS Lewiston Nez Perce Rgnl

LHRLWS

London Heathrow

Sat 14/11

12:20-23:03

1 stop18h 43m

Lewiston Nez Perce Rgnl

Sat 21/11

09:08-10:40

1 stop17h 32m

£1,382

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 March is, on average, the cheapest month to fly to Idaho from England, with most prices found around £660. If you’re not able to fly to Idaho in March, then February is your next best option. Flight prices from England to Idaho during February average around £661.

Can stopping save me money on England to Idaho flights?

You could potentially save up to 37% 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

Best price found	£434
Fastest flight time	15h 57m
Direct flights	None

The best one-way flight to Idaho from England in the past 72 hours is £434. The best return flight deal from England to Idaho found on momondo in the last 72 hours is £625.

The fastest flight from England to Idaho takes 15h 57m

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

Search flight deals

Frequently asked questions about flying from England to Idaho

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 2026, there are 6 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
Lufthansa	PriceFrom £515	Free Cancellation	Rating 6.8 8,256 reviews	Search Lufthansa flights
United Airlines	PriceFrom £532	Free Cancellation	Rating 7.4 10,280 reviews	Search United Airlines flights
Icelandair	PriceFrom £718	Free Cancellation	Rating 6.9 757 reviews	Search Icelandair flights
Alaska Airlines	PriceFrom £727	Free Cancellation	Rating 7.9 13,015 reviews	Search Alaska Airlines flights
Virgin Atlantic	PriceFrom £728	Free Cancellation	Rating 7.4 693 reviews	Search Virgin Atlantic flights
KLM	PriceFrom £974	Free Cancellation	Rating 7.8 1,576 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.