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Cheap flights from the United Kingdom to Idaho Falls from $760

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from the United Kingdom to Idaho Falls

Recent round-trip flight deals from the United Kingdom to Idaho Falls

Enter your travel dates to find the best prices.
Alaska Airlines Logo
2:45 pm - 3:21 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
31h 36m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:56 pm - 12:20 pmIDA  Idaho Falls Fanning Field-LHR London Heathrow
15h 24m1 stop Seattle/Tacoma Intl
$1,080Alaska Airlines
Thu, Jan 28 - Mon, Feb 1
Alaska Airlines Logo
2:45 pm - 3:21 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
31h 36m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:56 pm - 12:20 pmIDA  Idaho Falls Fanning Field-LHR London Heathrow
15h 24m1 stop Seattle/Tacoma Intl
$1,084Alaska Airlines
Thu, Jan 28 - Mon, Feb 1
Alaska Airlines Logo
2:45 pm - 3:21 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
31h 36m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:56 pm - 12:20 pmIDA  Idaho Falls Fanning Field-LHR London Heathrow
15h 24m1 stop Seattle/Tacoma Intl
$1,086Alaska Airlines
Thu, Jan 28 - Mon, Feb 1
Finnair Logo
4:25 pm - 9:42 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
36h 17m1 stop Dallas/Fort Worth
Finnair Logo
1:39 pm - 6:15 amIDA  Idaho Falls Fanning Field-LHR London Heathrow
33h 36m2 stops Dallas/Fort Worth Toronto Pearson Intl
$1,096Finnair
Mon, Oct 5 - Sun, Oct 11
Alaska Airlines Logo
2:45 pm - 3:21 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
31h 36m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:56 pm - 12:20 pmIDA  Idaho Falls Fanning Field-LHR London Heathrow
15h 24m1 stop Seattle/Tacoma Intl
$1,129Alaska Airlines
Thu, Jan 28 - Mon, Feb 1
Finnair Logo
4:55 pm - 9:42 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
35h 47m2 stops Los Angeles Dallas/Fort Worth
Finnair Logo
1:39 pm - 6:15 amIDA  Idaho Falls Fanning Field-LHR London Heathrow
33h 36m2 stops Dallas/Fort Worth Toronto Pearson Intl
$1,134Finnair
Mon, Oct 5 - Sun, Oct 11
Alaska Airlines Logo
2:45 pm - 10:53 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
15h 08m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:58 pm - 12:20 pmIDA  Idaho Falls Fanning Field-LHR London Heathrow
37h 22m2 stops Portland Seattle/Tacoma Intl
$1,173Alaska Airlines
Thu, Jan 28 - Mon, Feb 1
Alaska Airlines Logo
2:45 pm - 10:53 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
15h 08m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:58 pm - 12:20 pmIDA  Idaho Falls Fanning Field-LHR London Heathrow
37h 22m2 stops Portland Seattle/Tacoma Intl
$1,175Alaska Airlines
Thu, Jan 28 - Mon, Feb 1
Alaska Airlines Logo
2:45 pm - 10:53 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
15h 08m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:58 pm - 12:20 pmIDA  Idaho Falls Fanning Field-LHR London Heathrow
37h 22m2 stops Portland Seattle/Tacoma Intl
$1,177Alaska Airlines
Thu, Jan 28 - Mon, Feb 1
American Airlines Logo
4:25 pm - 1:09 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
27h 44m1 stop Dallas/Fort Worth
American Airlines Logo
1:50 pm - 10:50 amIDA  Idaho Falls Fanning Field-LHR London Heathrow
14h 00m1 stop Chicago O'Hare Intl
$1,187American Airlines
Mon, Oct 5 - Sun, Oct 11

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Alaska Airlines flights from United Kingdom to Idaho Falls

Our best Alaska Airlines deals on United Kingdom to Idaho Falls flight tickets
Alaska Airlines
Jan 28
LHR2:45 pmLondon Heathrow
31h 36m
1 stop
IDA3:21 pmIdaho Falls Fanning Field
Feb 1
IDA1:56 pmIdaho Falls Fanning Field
15h 24m
1 stop
LHR12:20 pmLondon Heathrow
$1,080
Alaska Airlines
Jan 28
LHR2:45 pmLondon Heathrow
31h 36m
1 stop
IDA3:21 pmIdaho Falls Fanning Field
Feb 1
IDA1:56 pmIdaho Falls Fanning Field
15h 24m
1 stop
LHR12:20 pmLondon Heathrow
$1,084
Alaska Airlines
Jan 28
LHR2:45 pmLondon Heathrow
31h 36m
1 stop
IDA3:21 pmIdaho Falls Fanning Field
Feb 1
IDA1:56 pmIdaho Falls Fanning Field
15h 24m
1 stop
LHR12:20 pmLondon Heathrow
$1,086

United Airlines flights from United Kingdom to Idaho Falls

Our best United Airlines deals on United Kingdom to Idaho Falls flight tickets
United Airlines
Jan 28
LHR6:35 amLondon Heathrow
21h 33m
2 stops
IDA9:08 pmIdaho Falls Fanning Field
Feb 1
IDA10:45 amIdaho Falls Fanning Field
16h 30m
2 stops
LHR10:15 amLondon Heathrow
$1,303
United Airlines
Jan 28
LHR6:35 amLondon Heathrow
21h 33m
2 stops
IDA9:08 pmIdaho Falls Fanning Field
Feb 1
IDA10:45 amIdaho Falls Fanning Field
16h 30m
2 stops
LHR10:15 amLondon Heathrow
$1,305
United Airlines
Jan 28
LHR6:35 amLondon Heathrow
21h 33m
2 stops
IDA9:08 pmIdaho Falls Fanning Field
Feb 1
IDA10:45 amIdaho Falls Fanning Field
16h 30m
2 stops
LHR10:15 amLondon Heathrow
$1,307

momondo Fare Finder

 
Use the filters below to find and compare flights from the United Kingdom to Idaho Falls that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 1/28

2:45 pm-3:21 pm

1 stop31h 36m

Idaho Falls Fanning Field

Mon 2/1

1:56 pm-12:20 pm

1 stop15h 24m

$1,080

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 1/28

2:45 pm-3:21 pm

1 stop31h 36m

Idaho Falls Fanning Field

Mon 2/1

1:56 pm-12:20 pm

1 stop15h 24m

$1,084

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 1/28

2:45 pm-3:21 pm

1 stop31h 36m

Idaho Falls Fanning Field

Mon 2/1

1:56 pm-12:20 pm

1 stop15h 24m

$1,086

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Mon 10/5

4:25 pm-9:42 pm

1 stop36h 17m

Idaho Falls Fanning Field

Sun 10/11

1:39 pm-6:15 am

2 stops33h 36m

$1,096

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 1/28

2:45 pm-3:21 pm

1 stop31h 36m

Idaho Falls Fanning Field

Mon 2/1

1:56 pm-12:20 pm

1 stop15h 24m

$1,129

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Mon 10/5

4:55 pm-9:42 pm

2 stops35h 47m

Idaho Falls Fanning Field

Sun 10/11

1:39 pm-6:15 am

2 stops33h 36m

$1,134

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 1/28

2:45 pm-10:53 pm

1 stop15h 08m

Idaho Falls Fanning Field

Mon 2/1

3:58 pm-12:20 pm

2 stops37h 22m

$1,173

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 1/28

2:45 pm-10:53 pm

1 stop15h 08m

Idaho Falls Fanning Field

Mon 2/1

3:58 pm-12:20 pm

2 stops37h 22m

$1,175

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Thu 1/28

2:45 pm-10:53 pm

1 stop15h 08m

Idaho Falls Fanning Field

Mon 2/1

3:58 pm-12:20 pm

2 stops37h 22m

$1,177
Quickest round-trip

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Mon 10/5

4:25 pm-1:09 pm

1 stop27h 44m

Idaho Falls Fanning Field

Sun 10/11

1:50 pm-10:50 am

1 stop14h 00m

$1,187

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

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

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

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

You could potentially save up to 3% on your flight if you consider stops on a United Kingdom to Idaho Falls flight.

Cheap United Kingdom to Idaho Falls flight deals and tips

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

Best Price Found

$760

Fastest flight time

32h 23m

Direct flights

None
The best one-way flight to Idaho Falls from United Kingdom in the past 72 hours is $760. The best round-trip flight deal from United Kingdom to Idaho Falls found on momondo in the last 72 hours is $1,080.
The fastest flight from United Kingdom to Idaho Falls takes 32h 23m
There are no direct flights from United Kingdom to Idaho Falls. There are no popular flight routes from United Kingdom to Idaho Falls.
Search flight deals

Frequently asked questions about flying from the United Kingdom to Idaho Falls

  • When did momondo last update prices for flights from United Kingdom to Idaho Falls Fanning Field Airport?

    Prices for flights from United Kingdom to Idaho Falls Fanning Field Airport refresh daily.

  • How old do you have to be to fly from United Kingdom to Idaho Falls Fanning Field Airport?

    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 Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The necessary travel and health documents for your Idaho Falls Fanning Field Airport 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.

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho Falls from United Kingdom.

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

momondo does allow users to show only those flights to Idaho Falls 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 Falls?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Idaho Falls from United Kingdom.

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

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

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