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

Scandinavian Airlines, United Airlines, and Air Canada are the most popular carriers operating from Idaho to United Kingdom

How long is the flight from Idaho to United Kingdom?

The flight from Idaho to United Kingdom depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Idaho Falls (a popular airport in Idaho) to London Heathrow Airport (the most popular airport in United Kingdom), then the flight time is 11h 22m on average. If you fly from Boise (another popular airport in Idaho) to London Heathrow Airport, then the average flight time is 11h 57m.

What airlines fly to United Kingdom?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to United Kingdom from Idaho according to our data. Delta is the first choice among our users, with 35% of people opting to fly with this airline when traveling to United Kingdom. Keep in mind that there are 6 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Idaho to United Kingdom refresh daily.

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

The number of operators available for flights from Idaho to United Kingdom is 5 as of February 2025.

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

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 Idaho to United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The required travel and health documents for your United Kingdom trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United Kingdom. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$371 Discover Cheap Flights from Idaho to the United Kingdom in 2025

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Find the cheapest flights from Idaho to the United Kingdom

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Cheap round-trip flights

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

2:15 pm - 1:10 pmGEG-LHR

14h 55m1 stop

12:45 pm - 11:15 pmLHR-GEG

18h 30m1 stop

$626Virgin Atlantic

Find Deal

Tue, Apr 22 - Wed, May 7

4:15 pm - 12:20 pmIDA-LHR

13h 05m1 stop

9:30 am - 3:10 pmLHR-IDA

36h 40m2 stops

$680United Airlines

Find Deal

Wed, Apr 23 - Fri, May 2

6:15 am - 1:20 pmGEG-LHR

23h 05m2 stops

5:40 pm - 12:38 pmLHR-GEG

26h 58m2 stops

$686Air Canada

Find Deal

Tue, Apr 8 - Tue, Apr 15

6:00 am - 9:50 amIDA-LHR

20h 50m1 stop

6:30 am - 10:56 pmLHR-IDA

23h 26m2 stops

$688Delta

Find Deal

Mon, Apr 21 - Tue, Apr 29

1:10 pm - 2:35 pmBOI-LHR

18h 25m1 stop

6:30 am - 5:03 pmLHR-BOI

17h 33m2 stops

$688Delta

Find Deal

Tue, Apr 15 - Tue, Apr 22

7:05 am - 6:25 amBOI-LHR

16h 20m1 stop

12:00 pm - 10:11 pmLHR-BOI

17h 11m1 stop

$691Finnair

Find Deal

Tue, Apr 15 - Tue, Apr 22

7:05 am - 9:00 amBOI-LHR

18h 55m1 stop

12:00 pm - 10:11 pmLHR-BOI

17h 11m1 stop

$693Finnair

Find Deal

Tue, Apr 1 - Thu, Apr 10

4:40 pm - 2:15 pmBOI-LHR

14h 35m1 stop

11:00 am - 5:03 pmLHR-BOI

13h 03m1 stop

$703KLM

Find Deal

Wed, Apr 23 - Wed, Apr 30

2:00 pm - 1:10 pmGEG-LHR

15h 10m1 stop

12:25 pm - 11:07 pmLHR-GEG

18h 42m1 stop

$703KLM

Find Deal

Tue, Apr 8 - Tue, Apr 15

5:00 am - 8:30 amBOI-LHR

21h 30m2 stops

5:40 pm - 10:49 pmLHR-BOI

36h 09m2 stops

$754Air Canada

Find Deal

Sun, Mar 23 - Sun, Mar 30

KLM flights from Idaho to United Kingdom

Our best KLM deals on Idaho to United Kingdom flight tickets

KLM

Apr 23

BOI4:40 pmBoise Air Term. Gowen Fld

14h 35m

1 stop

LHR2:15 pmLondon Heathrow

Apr 30

LHR11:00 amLondon Heathrow

13h 03m

1 stop

BOI5:03 pmBoise Air Term. Gowen Fld

$703

Find similar

KLM

Mar 10

GEG10:00 amSpokane

17h 00m

1 stop

LHR10:00 amLondon Heathrow

Mar 17

LHR9:10 amLondon Heathrow

20h 30m

1 stop

GEG10:40 pmSpokane

$750

Find similar

KLM

Apr 24

BOI4:40 pmBoise Air Term. Gowen Fld

14h 35m

1 stop

LHR2:15 pmLondon Heathrow

May 1

LHR1:05 pmLondon Heathrow

16h 23m

1 stop

BOI10:28 pmBoise Air Term. Gowen Fld

$753

Find similar

United Airlines flights from Idaho to United Kingdom

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

United Airlines

Apr 23

IDA4:15 pmIdaho Falls Fanning Field

13h 05m

1 stop

LHR12:20 pmLondon Heathrow

May 2

LHR9:30 amLondon Heathrow

36h 40m

2 stops

IDA3:10 pmIdaho Falls Fanning Field

$680

Find similar

United Airlines

Apr 22

GEG6:15 amSpokane

20h 10m

1 stop

LHR10:25 amLondon Heathrow

May 7

LHR8:40 amLondon Heathrow

22h 58m

2 stops

GEG11:38 pmSpokane

$685

Find similar

United Airlines

Apr 1

BOI6:30 amBoise Air Term. Gowen Fld

20h 10m

1 stop

LHR9:40 amLondon Heathrow

Apr 10

LHR3:50 pmLondon Heathrow

33h 02m

2 stops

BOI5:52 pmBoise Air Term. Gowen Fld

$686

Find similar

How to get the cheapest flight ticket from Idaho to United Kingdom

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 United Kingdom?

In general, April is the cheapest month to fly from Idaho to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $771. If you aren’t able to travel to United Kingdom during the month of April, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $776.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from Idaho to United Kingdom is on a Wednesday when prices can be found for as low as $801. The most expensive day to fly to United Kingdom is Friday, with ticket prices averaging around $975.

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

According to our data, the cheapest time of day to fly to United Kingdom is in the morning. momondo users have found flights departing from Idaho to United Kingdom in the morning for as low as $864. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the evening, with an average ticket price of $1,103. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Idaho when booking 3 weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $973 when searching 3 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Idaho for as low as $732 on momondo.

Cheap Idaho to United Kingdom flight deals and tips

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

Best Price Found	$371
Fastest flight time	11h 25m
Direct flights	None
Airports in United Kingdom	5 airports

The best one-way flight to United Kingdom from Idaho in the past 72 hours is $371. The best round-trip flight deal from Idaho to United Kingdom found on momondo in the last 72 hours is $626.

The fastest flight from Idaho to United Kingdom takes 11h 25m

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

There are 5 airports near United Kingdom: London City (LCY), London Heathrow (LHR), Edinburgh Turnhouse (EDI), Manchester (MAN), London Gatwick (LGW)

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When did momondo last update prices for flights from Idaho to United Kingdom?
Prices for flights from Idaho to United Kingdom refresh daily.
How many operators does momondo search for flights from Idaho to United Kingdom?
The number of operators available for flights from Idaho to United Kingdom is 5 as of February 2025.
How old do you have to be to fly from Idaho to United Kingdom?
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 Idaho to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The required travel and health documents for your United Kingdom trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United Kingdom. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Idaho to United Kingdom

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $583	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
KLM	PriceFrom $656	Free Cancellation	Rating 7.8 1,333 reviews	Search KLM flights
United Airlines	PriceFrom $674	Free Cancellation	Rating 7.4 8,742 reviews	Search United Airlines flights
Virgin Atlantic	PriceFrom $676	Free Cancellation	Rating 7.5 651 reviews	Search Virgin Atlantic flights
Delta	PriceFrom $698	Free Cancellation	Rating 8.0 8,174 reviews	Search Delta flights
Icelandair	PriceFrom $1,097	Free Cancellation	Rating 7.0 488 reviews	Search Icelandair flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho to United Kingdom for you.

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

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

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

Once you have performed a search for Idaho to United Kingdom flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to United Kingdom, momondo offers a useful price alert feature which will track prices for flights to United Kingdom from Idaho and alert you when they change.