How long is the flight from Europe to Idaho?

Flight times from Europe to Idaho vary, but if you’re flying out of Madrid and flying into Boise (one of the most popular routes), then the duration is 17h 52m on average. Another popular route from Europe to Idaho is flying from Copenhagen to Boise, which will take roughly 40h. Keep in mind that layovers or delays could extend your travel time.

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

Lufthansa, Finnair, and Iberia are the most popular carriers operating from Europe to Idaho

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

Prices for flights from Europe to Idaho are updated daily.

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

There is 1 operator available for flights from Europe to Idaho as of November 2025.

How old do you have to be to fly from Europe 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 Europe to Idaho.

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

The required travel and health documents for your Idaho 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 Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$578 Cheap Flights from Europe to Idaho in 2025/26

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Find the cheapest flights from Europe to Idaho

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:55 am - 11:01 pmLGW-BOI

18h 06m2 stops

9:50 am - 10:55 amBOI-LGW

18h 05m2 stops

$682Multiple Airlines

Find Deal

Mon, Feb 9 - Mon, Feb 16

12:15 pm - 11:01 pmLHR-BOI

17h 46m2 stops

6:28 am - 10:50 amBOI-LHR

21h 22m2 stops

$686Multiple Airlines

Find Deal

Mon, Feb 9 - Mon, Feb 16

7:40 am - 9:59 amLHR-BOI

33h 19m2 stops

2:49 pm - 9:40 amBOI-LHR

11h 51m1 stop

$725United Airlines

Find Deal

Mon, Dec 8 - Mon, Dec 15

7:40 am - 9:59 amLHR-BOI

33h 19m2 stops

8:15 am - 5:55 amBOI-LHR

14h 40m1 stop

$726United Airlines

Find Deal

Mon, Dec 8 - Mon, Dec 15

7:40 am - 6:07 pmLHR-BOI

17h 27m2 stops

2:49 pm - 10:50 amBOI-LHR

37h 01m2 stops

$748Lufthansa

Find Deal

Tue, Dec 9 - Sun, Dec 14

7:40 am - 6:07 pmLHR-BOI

41h 27m2 stops

2:49 pm - 6:40 amBOI-LHR

32h 51m2 stops

$753Lufthansa

Find Deal

Tue, Dec 9 - Sun, Dec 14

11:55 am - 8:59 pmLGW-GEG

16h 04m2 stops

12:00 pm - 10:55 amGEG-LGW

15h 55m2 stops

$770Icelandair

Find Deal

Tue, Mar 10 - Tue, Mar 17

11:55 am - 8:59 pmLGW-GEG

16h 04m2 stops

12:00 pm - 10:55 amGEG-LGW

15h 55m2 stops

$791Icelandair

Find Deal

Tue, Mar 10 - Tue, Mar 17

12:15 pm - 5:51 pmVIE-IDA

37h 36m2 stops

1:15 pm - 4:10 pmIDA-VIE

18h 55m2 stops

$998KLM

Find Deal

Tue, Jan 20 - Wed, Feb 4

6:30 am - 2:53 pmLHR-GEG

16h 23m2 stops

1:16 pm - 11:40 amGEG-LHR

14h 24m1 stop

$1,259KLM

Find Deal

Fri, Nov 14 - Mon, Nov 24

United Airlines flights from Europe to Idaho

Our best United Airlines deals on Europe to Idaho flight tickets

United Airlines

Dec 8

LHR7:40 amLondon Heathrow

33h 19m

2 stops

BOI9:59 amBoise Air Term. Gowen Fld

Dec 15

BOI2:49 pmBoise Air Term. Gowen Fld

11h 51m

1 stop

LHR9:40 amLondon Heathrow

$725

Find similar

United Airlines

Dec 8

LHR7:40 amLondon Heathrow

33h 19m

2 stops

BOI9:59 amBoise Air Term. Gowen Fld

Dec 15

BOI8:15 amBoise Air Term. Gowen Fld

14h 40m

1 stop

LHR5:55 amLondon Heathrow

$726

Find similar

United Airlines

Feb 9

LHR9:00 amLondon Heathrow

19h 23m

2 stops

BOI9:23 pmBoise Air Term. Gowen Fld

Feb 16

BOI5:10 pmBoise Air Term. Gowen Fld

33h 30m

1 stop

LHR9:40 amLondon Heathrow

$731

Find similar

Scandinavian Airlines flights from Europe to Idaho

Our best Scandinavian Airlines deals on Europe to Idaho flight tickets

Scandinavian Airlines

Apr 20

LHR10:20 amLondon Heathrow

19h 44m

2 stops

BOI11:04 pmBoise Air Term. Gowen Fld

Apr 27

BOI1:00 pmBoise Air Term. Gowen Fld

25h 35m

3 stops

LHR9:35 pmLondon Heathrow

$844

Find similar

Scandinavian Airlines

Apr 20

LHR6:40 amLondon Heathrow

23h 24m

2 stops

BOI11:04 pmBoise Air Term. Gowen Fld

Apr 27

BOI1:00 pmBoise Air Term. Gowen Fld

25h 35m

3 stops

LHR9:35 pmLondon Heathrow

$845

Find similar

Scandinavian Airlines

Apr 21

LHR7:05 amLondon Heathrow

22h 59m

3 stops

BOI11:04 pmBoise Air Term. Gowen Fld

Apr 28

BOI1:00 pmBoise Air Term. Gowen Fld

22h 30m

2 stops

LHR6:30 pmLondon Heathrow

$855

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonBoise

LGW - BOI

LGWBOI

London Gatwick

Mon 2/9

11:55 am-11:01 pm

2 stops18h 06m

Boise Air Term. Gowen Fld

Mon 2/16

9:50 am-10:55 am

2 stops18h 05m

$682

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 2/9

12:15 pm-11:01 pm

2 stops17h 46m

Boise Air Term. Gowen Fld

Mon 2/16

6:28 am-10:50 am

2 stops21h 22m

$686

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 12/8

7:40 am-9:59 am

2 stops33h 19m

Boise Air Term. Gowen Fld

Mon 12/15

2:49 pm-9:40 am

1 stop11h 51m

$725

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Mon 12/8

7:40 am-9:59 am

2 stops33h 19m

Boise Air Term. Gowen Fld

Mon 12/15

8:15 am-5:55 am

1 stop14h 40m

$726

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 12/9

7:40 am-6:07 pm

2 stops17h 27m

Boise Air Term. Gowen Fld

Sun 12/14

2:49 pm-10:50 am

2 stops37h 01m

$748

LondonBoise

LHR - BOI

LHRBOI

London Heathrow

Tue 12/9

7:40 am-6:07 pm

2 stops41h 27m

Boise Air Term. Gowen Fld

Sun 12/14

2:49 pm-6:40 am

2 stops32h 51m

$753

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Tue 3/10

11:55 am-8:59 pm

2 stops16h 04m

Spokane

Tue 3/17

12:00 pm-10:55 am

2 stops15h 55m

$770

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Tue 3/10

11:55 am-8:59 pm

2 stops16h 04m

Spokane

Tue 3/17

12:00 pm-10:55 am

2 stops15h 55m

$791

ViennaIdaho Falls

VIE - IDA

VIEIDA

Vienna Intl

Tue 1/20

12:15 pm-5:51 pm

2 stops37h 36m

Idaho Falls Fanning Field

Wed 2/4

1:15 pm-4:10 pm

2 stops18h 55m

$998

LondonSpokane

LHR - GEG

LHRGEG

London Heathrow

Fri 11/14

6:30 am-2:53 pm

2 stops16h 23m

Spokane

Mon 11/24

1:16 pm-11:40 am

1 stop14h 24m

$1,259

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How to get the cheapest flight ticket from Europe 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?

In general, September is the cheapest month to fly from Europe to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $792. If you don’t want to visit Idaho in September, then you should wait until February to fly from Europe, when ticket prices are also cheap, with an average price of $803.

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

You are more likely to see cheaper flights to Idaho from Europe when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $935 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Europe for as low as $770 on momondo.

Can stopping save me money on Europe to Idaho flights?

You could potentially save up to 48% on your flight if you consider stops on a Europe to Idaho flight.

Cheap Europe to Idaho flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Europe to Idaho?
Prices for flights from Europe to Idaho are updated daily.
How many operators does momondo search for flights from Europe to Idaho?
There is 1 operator available for flights from Europe to Idaho as of November 2025.
How old do you have to be to fly from Europe 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 Europe to Idaho.
What documentation or ID do you need to fly to Idaho?
The required travel and health documents for your Idaho 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 Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Europe to Idaho

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $723	Free Cancellation	Rating 7.4 9,002 reviews		Search United Airlines flights

Why use momondo?

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

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

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

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

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

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

Price alerts on flights to Idaho from Europe are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.