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Find cheap flights from Idaho to the United Kingdom from $346

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Idaho to the United Kingdom departing on 7/26. 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
vie. 7/5
vie. 7/12

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Good to know

Low season

January

High season

June

Cheapest flight

$346
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 36% increase in price.
Flight from Boise to London Gatwick Airport

FAQs for booking flights from Idaho to the United Kingdom

  • How does KAYAK find such low prices on flights from Idaho to the United Kingdom?

    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 the United Kingdom.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to the United Kingdom 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 the United Kingdom?

    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 the United Kingdom 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 the United Kingdom?

    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 the United Kingdom from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Idaho to the United Kingdom

Recent round-trip flight deals

9/23lun.
1 stopAmerican Airlines
24h 25mGEG-LHR
10/24jue.
2 stopsAmerican Airlines
20h 48mLHR-GEG
$617
9/23lun.
2 stopsAmerican Airlines
17h 18mGEG-LHR
10/24jue.
2 stopsAmerican Airlines
19h 38mLHR-GEG
$621
11/4lun.
1 stopUnited Airlines
21h 00mGEG-LHR
11/19mar.
2 stopsUnited Airlines
22h 11mLHR-GEG
$631
10/15mar.
2 stopsAir Canada
19h 20mGEG-LHR
10/25vie.
2 stopsAir Canada
40h 47mLHR-GEG
$632
10/9mié.
1 stopUnited Airlines
18h 40mBOI-LHR
11/6mié.
2 stopsUnited Airlines
19h 03mLHR-BOI
$634
10/9mié.
1 stopDelta
20h 50mBOI-LHR
11/6mié.
2 stopsDelta
21h 07mLHR-BOI
$640
10/9mié.
1 stopDelta
13h 45mBOI-LHR
11/6mié.
2 stopsDelta
22h 17mLHR-BOI
$641
11/25lun.
1 stopKLM
15h 50mBOI-LHR
12/2lun.
2 stopsKLM
26h 51mLHR-BOI
$643
11/19mar.
1 stopKLM
17h 00mGEG-LHR
11/26mar.
2 stopsKLM
25h 24mLHR-GEG
$643
11/4lun.
3 stopsAir Canada
17h 30mGEG-LHR
11/19mar.
3 stopsAir Canada
29h 40mLHR-GEG
$746

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Recent one-way flight deals

7/26vie.
2 stops
34h 17mBOI-LGW
$346
10/5sáb.
1 stop
28h 36mBOI-LGW
$363
10/5sáb.
2 stopsVirgin Atlantic
19h 55mBOI-LHR
$434
10/5sáb.
1 stopVirgin Atlantic
31h 20mBOI-LHR
$440
10/5sáb.
2 stopsDelta
18h 10mBOI-LGW
$478
10/17jue.
2 stopsDelta
15h 55mGEG-LHR
$478
9/26jue.
2 stopsKLM
16h 00mGEG-LGW
$478
10/12sáb.
1 stopKLM
15h 50mBOI-LHR
$478
9/26jue.
2 stopsIcelandair
14h 25mGEG-LHR
$479
6/28vie.
2 stopsIcelandair
35h 53mGEG-LGW
$1,029

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Last minute flights from Idaho to the United Kingdom

Last minute flight, train and bus deals

6/7vie.
multi-stopSWISS
18h 54mBOI-LHR
6/12mié.
multi-stopSWISS
13h 27mLHR-BOI
$954
6/7vie.
multi-stopUnited Airlines
19h 40mBOI-LHR
6/12mié.
multi-stopUnited Airlines
18h 47mLHR-BOI
$962
6/8sáb.
multi-stopAir Canada
33h 35mBOI-EDI
6/19mié.
multi-stopAir Canada
35h 20mEDI-BOI
$1,017
6/8sáb.
multi-stopAir Canada
33h 35mBOI-EDI
6/17lun.
multi-stopAir Canada
33h 37mEDI-BOI
$1,067
6/8sáb.
multi-stop
17h 40mGEG-EDI
6/15sáb.
multi-stop
45h 30mEDI-GEG
$1,148
6/8sáb.
multi-stop
17h 40mGEG-EDI
6/15sáb.
multi-stop
35h 37mEDI-GEG
$1,158
6/8sáb.
multi-stopUnited Airlines
31h 50mBOI-EDI
6/17lun.
multi-stopUnited Airlines
28h 47mEDI-BOI
$1,201
6/8sáb.
multi-stopUnited Airlines
12h 51mBOI-EDI
6/17lun.
multi-stopUnited Airlines
44h 37mEDI-BOI
$1,261
6/7vie.
multi-stopKLM
13h 55mBOI-LHR
6/12mié.
multi-stopKLM
13h 02mLHR-BOI
$1,285
6/8sáb.
multi-stopLufthansa
12h 51mBOI-EDI
6/19mié.
multi-stopLufthansa
18h 07mEDI-BOI
$1,497

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Flights to the United Kingdom

Return flight deals:

United Kingdom - Idaho

Cabin classes: