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Cheap flights from London Heathrow Airport to Idaho Falls from $584

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London Heathrow Airport to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
2:45 pm - 10:54 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
15h 09m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:04 am - 12:20 pmIDA  Idaho Falls Fanning Field-LHR London Heathrow
23h 16m1 stop Seattle/Tacoma Intl
$967Alaska Airlines
Tue, Nov 10 - Tue, Nov 17
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
$1,069Alaska 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
$1,070Alaska 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
$1,071Alaska 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
$1,072Alaska Airlines
Thu, Jan 28 - Mon, Feb 1
Alaska Airlines Logo
2:45 pm - 10:59 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
14h 14m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:04 am - 12:20 pmIDA  Idaho Falls Fanning Field-LHR London Heathrow
23h 16m1 stop Seattle/Tacoma Intl
$1,125Alaska Airlines
Mon, Oct 26 - Mon, Nov 2
Alaska Airlines Logo
5:00 pm - 3:20 pmLHR  London Heathrow-IDA Idaho Falls Fanning Field
29h 20m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:09 am - 12:20 pmIDA  Idaho Falls Fanning Field-LHR London Heathrow
24h 11m1 stop Seattle/Tacoma Intl
$1,160Alaska Airlines
Sat, Oct 24 - Sat, Oct 31
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
$1,179Alaska 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
$1,180Alaska 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
$1,181Alaska Airlines
Thu, Jan 28 - Mon, Feb 1

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Alaska Airlines flights from London Heathrow Airport to Idaho Falls

Our best Alaska Airlines deals on London Heathrow Airport to Idaho Falls flight tickets
Alaska Airlines
Nov 10
LHR2:45 pmLondon Heathrow
15h 09m
1 stop
IDA10:54 pmIdaho Falls Fanning Field
Nov 17
IDA6:04 amIdaho Falls Fanning Field
23h 16m
1 stop
LHR12:20 pmLondon Heathrow
$967
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
$1,069
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
$1,070

United Airlines flights from London Heathrow Airport to Idaho Falls

Our best United Airlines deals on London Heathrow Airport to Idaho Falls flight tickets
United Airlines
Nov 10
LHR7:30 amLondon Heathrow
20h 39m
2 stops
IDA9:09 pmIdaho Falls Fanning Field
Nov 17
IDA10:35 amIdaho Falls Fanning Field
17h 15m
2 stops
LHR10:50 amLondon Heathrow
$1,236
United Airlines
Jan 28
LHR6:35 amLondon Heathrow
21h 33m
2 stops
IDA9:08 pmIdaho Falls Fanning Field
Feb 1
IDA7:00 amIdaho Falls Fanning Field
17h 55m
2 stops
LHR7:55 amLondon Heathrow
$1,285
United Airlines
Jan 28
LHR6:35 amLondon Heathrow
21h 33m
2 stops
IDA9:08 pmIdaho Falls Fanning Field
Feb 1
IDA7:00 amIdaho Falls Fanning Field
16h 40m
2 stops
LHR6:40 amLondon Heathrow
$1,287

momondo Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport 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

Tue 11/10

2:45 pm-10:54 pm

1 stop15h 09m

Idaho Falls Fanning Field

Tue 11/17

6:04 am-12:20 pm

1 stop23h 16m

$967

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

$1,069

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

$1,070

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

$1,071

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

$1,072
Quickest round-trip

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Mon 10/26

2:45 pm-10:59 pm

1 stop14h 14m

Idaho Falls Fanning Field

Mon 11/2

6:04 am-12:20 pm

1 stop23h 16m

$1,125

LondonIdaho Falls

LHR London Heathrow - IDA Idaho Falls Fanning Field

LHRIDA

London Heathrow

Sat 10/24

5:00 pm-3:20 pm

1 stop29h 20m

Idaho Falls Fanning Field

Sat 10/31

6:09 am-12:20 pm

1 stop24h 11m

$1,160

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

$1,179

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

$1,180

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

$1,181

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

How to get the cheapest flight ticket from London Heathrow Airport 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 London Heathrow Airport to Idaho Falls flights?

You could potentially save up to 3% on your flight if you consider stops on a London Heathrow Airport to Idaho Falls flight.

When to book flights from London Heathrow Airport to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to Idaho Falls (LHR to IDA) flight deals and tips

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

Best Price Found

$584

Fastest flight time

17h 30m

Direct flights

None
The best one-way flight to Idaho Falls from London Heathrow Airport in the past 72 hours is $584. The best round-trip flight deal from London Heathrow Airport to Idaho Falls found on momondo in the last 72 hours is $967.
The fastest flight from London Heathrow Airport to Idaho Falls takes 17h 30m
There are no direct flights from London Heathrow Airport to Idaho Falls. There are no popular flight routes from London Heathrow Airport to Idaho Falls.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Idaho Falls

  • How far is London Heathrow to Idaho Falls Fanning Field by plane?

    Idaho Falls Fanning Field is 4706.6 mi away from London Heathrow. In terms of flight time, this usually takes a little over 17h 30m.

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

    Prices for flights from London Heathrow Airport to Idaho Falls Fanning Field Airport are updated daily.

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

    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 Falls Fanning Field Airport.

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

    The required travel and health documents for your Idaho Falls Fanning Field Airport 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 Falls Fanning Field Airport. We recommend that you seek guidance from your airline or a reliable 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 London to Idaho Falls?

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 London to Idaho Falls for you.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Idaho Falls.

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

Of course. momondo tracks the price of London to Idaho Falls flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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