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LHR

$360 Find cheap flights from Idaho to London Heathrow Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Heathrow departing on 9/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 7/3
Wed 7/10

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In the last 7 days travelers have searched 41,909,192 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$360
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 43% increase in price.
Flight from Boise to London Heathrow Airport

FAQs for booking Idaho to London Heathrow Airport flights

  • How does KAYAK find such low prices on flights from Idaho to London Heathrow Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to London Heathrow Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to London Heathrow Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Idaho is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Idaho to London Heathrow Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London Heathrow Airport with an airline and back to Idaho with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to London Heathrow Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Idaho to London Heathrow Airport?

Find which airlines fly direct from Idaho to Heathrow, which days they fly and book direct flights.

Nonstop departures

Idaho to London Heathrow

Monday

ANA, AccesRail, Aegean Airlines, +88 more

ANA, AccesRail, +89 more

Tuesday

ANA, AccesRail, Aegean Airlines, +88 more

ANA, AccesRail, +89 more

Wednesday

ANA, AccesRail, Aegean Airlines, +90 more

ANA, AccesRail, +91 more

Thursday

ANA, AccesRail, Aegean Airlines, +85 more

ANA, AccesRail, +86 more

Friday

ANA, AccesRail, Aegean Airlines, +92 more

ANA, AccesRail, +93 more

Saturday

ANA, AccesRail, Aegean Airlines, +87 more

ANA, AccesRail, +88 more

Sunday

ANA, AccesRail, Aegean Airlines, +90 more

ANA, AccesRail, +91 more

See more direct flights

Nonstop returns

London Heathrow to Idaho

Monday

ANA, AccesRail, Aegean Airlines, +88 more

ANA, AccesRail, +89 more

Tuesday

ANA, AccesRail, Aegean Airlines, +88 more

ANA, AccesRail, +89 more

Wednesday

ANA, AccesRail, Aegean Airlines, +90 more

ANA, AccesRail, +91 more

Thursday

ANA, AccesRail, Aegean Airlines, +85 more

ANA, AccesRail, +86 more

Friday

ANA, AccesRail, Aegean Airlines, +92 more

ANA, AccesRail, +93 more

Saturday

ANA, AccesRail, Aegean Airlines, +87 more

ANA, AccesRail, +88 more

Sunday

ANA, AccesRail, Aegean Airlines, +90 more

ANA, AccesRail, +91 more

See more direct flights
See more direct flights

Book cheap flights from Idaho to London

Recent round-trip flight deals

10/1Tue
1 stopAmerican Airlines
14h 21mGEG-LHR
10/22Tue
2 stopsAmerican Airlines
20h 48mLHR-GEG
$616
10/1Tue
2 stopsAmerican Airlines
18h 26mGEG-LHR
10/22Tue
2 stopsAmerican Airlines
20h 48mLHR-GEG
$619
10/1Tue
1 stopUnited Airlines
18h 25mIDA-LHR
10/31Thu
2 stopsUnited Airlines
28h 18mLHR-IDA
$634
10/9Wed
1 stopUnited Airlines
19h 40mBOI-LHR
11/6Wed
2 stopsUnited Airlines
19h 03mLHR-BOI
$634
10/9Wed
1 stopDelta
15h 50mBOI-LHR
11/6Wed
2 stopsDelta
21h 07mLHR-BOI
$640
9/25Wed
1 stopDelta
18h 40mBOI-LHR
10/10Thu
2 stopsDelta
19h 45mLHR-BOI
$641
10/9Wed
1 stopKLM
15h 50mBOI-LHR
11/6Wed
1 stopKLM
21h 19mLHR-BOI
$647
10/1Tue
1 stopKLM
16h 20mGEG-LHR
10/22Tue
1 stopKLM
21h 23mLHR-GEG
$647
10/25Fri
2 stopsAir Canada
48h 11mGEG-LHR
11/5Tue
2 stopsAir Canada
41h 41mLHR-GEG
$680
9/21Sat
2 stopsAir Canada
28h 20mBOI-LHR
9/29Sun
2 stopsAir Canada
31h 20mLHR-BOI
$718

Search by stops

Search by airline

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Recent one-way flight deals

9/28Sat
3 stops
32h 15mBOI-LHR
$360
10/17Thu
3 stops
30h 10mGEG-LHR
$390
8/19Mon
3 stops
35h 36mBOI-LHR
$419
9/28Sat
2 stopsUnited Airlines
18h 30mBOI-LHR
$473
11/26Tue
2 stopsUnited Airlines
20h 45mGEG-LHR
$473
11/26Tue
3 stopsAir Canada
17h 30mGEG-LHR
$479
8/26Mon
1 stopIberia
16h 14mBOI-LHR
$495
8/19Mon
1 stopAlaska Airlines
17h 40mBOI-LHR
$501
8/26Mon
3 stopsAir Canada
18h 15mBOI-LHR
$514
8/1Thu
1 stopIberia
15h 41mBOI-LHR
$595

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to Heathrow

Last minute flight, train and bus deals

6/5Wed
multi-stopUnited Airlines
20h 25mJAC-LHR
6/14Fri
multi-stopUnited Airlines
16h 48mLHR-JAC
$781
6/4Tue
multi-stopUnited Airlines
25h 36mGEG-LHR
6/17Mon
multi-stopUnited Airlines
40h 45mLHR-GEG
$821
6/7Fri
multi-stopUnited Airlines
23h 10mGEG-LHR
6/14Fri
multi-stopUnited Airlines
23h 48mLHR-GEG
$828
6/4Tue
multi-stopUnited Airlines
21h 56mGEG-LHR
6/17Mon
multi-stopUnited Airlines
17h 25mLHR-GEG
$837
6/8Sat
multi-stopUnited Airlines
31h 12mGEG-LHR
6/21Fri
multi-stopUnited Airlines
36h 07mLHR-GEG
$842
6/4Tue
multi-stopUnited Airlines
20h 31mBOI-LHR
6/21Fri
multi-stopUnited Airlines
13h 30mLHR-BOI
$856
6/4Tue
multi-stopUnited Airlines
16h 55mBOI-LHR
6/21Fri
multi-stopUnited Airlines
17h 47mLHR-BOI
$861
6/8Sat
multi-stopUnited Airlines
31h 12mGEG-LHR
6/21Fri
multi-stopUnited Airlines
14h 17mLHR-GEG
$863
6/7Fri
multi-stop
18h 36mGEG-LHR
6/14Fri
multi-stop
20h 17mLHR-GEG
$1,160
6/8Sat
multi-stopAir Canada
41h 20mGEG-LHR
6/21Fri
multi-stopAir Canada
22h 08mLHR-GEG
$1,673

Search by stops

Search by airline

Search by price

Flights to London Heathrow Airport

Destination:

London Heathrow Airport (LHR)United Kingdom

Return flight deals:

London Heathrow Airport - Idaho

Cabin classes: