$293 Find Cheap Flights from Idaho to the United Kingdom

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Useful Info

Good to know

Low seasonJanuary
High seasonJuly
Cheapest flight$293
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly with an average 19% increase in price.
Flight from Boise to London Heathrow 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 from Idaho to the United Kingdom 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 from Idaho to the United Kingdom with an airline and back 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 from Idaho to the United Kingdom up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to the United Kingdom?

    Based on KAYAK data, the cheapest day to fly to the United Kingdom is Wednesday where round-trip tickets can be as cheap as $801. On the other hand, the most expensive day to fly is Friday, where round-trip prices are $975 on average.

  • What is the cheapest time of day to fly to the United Kingdom?

    The cheapest time of day to fly to the United Kingdom is generally in the morning, when round-trip flights cost $864 on average. Morning departures are around 14% cheaper than evening flights, on average. The most expensive time of day to fly to the United Kingdom is generally at night, which is peak travel time and where the average cost of a ticket is $1,103.

  • What is the cheapest month to fly from Idaho to the United Kingdom?

    The cheapest month for flights from Idaho to the United Kingdom is October, when tickets cost $750 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is $1,402 and $1,170 respectively.

  • How far in advance should I book a flight from Idaho to the United Kingdom?

    To get a below average price on the flight from Idaho to the United Kingdom, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.

  • How long is the flight to the United Kingdom?

    An average nonstop flight from Idaho to the United Kingdom takes 18h 23m, covering a distance of 4647 miles. The shortest route is Idaho Falls (IDA) to London Heathrow Airport (LHR) with an average flight time of 12h 02m.

  • What are the most popular destinations in the United Kingdom?

    Based on KAYAK flight searches, the most popular destination is London (78% of total searches to the United Kingdom). The next most popular destinations are Edinburgh (21%) and Birmingham (1%). Searches for flights to Cardiff (0%) are also popular.

Book cheap flights from Idaho to the United Kingdom

Recent round-trip flight deals

9/8Mon
1 stop
20h 25mGEG-LGW
9/12Fri
1 stop
19h 30mLGW-GEG
$570
9/8Mon
1 stop
20h 25mGEG-LGW
9/12Fri
2 stops
32h 49mLGW-GEG
$599
9/22Mon
2 stopsUnited Airlines
16h 50mBOI-EDI
9/30Tue
1 stopUnited Airlines
14h 17mEDI-BOI
$668
9/3Wed
2 stopsDelta
18h 29mBOI-EDI
9/12Fri
1 stopDelta
19h 43mEDI-BOI
$672
9/30Tue
2 stopsUnited Airlines
18h 50mGEG-EDI
10/9Thu
2 stopsUnited Airlines
43h 24mEDI-GEG
$676
9/28Sun
2 stopsDelta
18h 50mBOI-EDI
10/22Wed
2 stopsDelta
21h 04mEDI-BOI
$693
8/13Wed
2 stopsAmerican Airlines
18h 04mBOI-EDI
8/23Sat
2 stopsAmerican Airlines
17h 08mEDI-BOI
$718
8/3Sun
1 stopAir Canada
16h 36mBOI-LHR
8/19Tue
1 stopAir Canada
18h 14mLHR-BOI
$728
10/1Wed
2 stopsAir Canada
22h 00mBOI-LHR
10/10Fri
2 stopsAir Canada
26h 39mLHR-BOI
$742
10/8Wed
1 stopAmerican Airlines
13h 24mIDA-LHR
10/15Wed
2 stopsAmerican Airlines
18h 26mLHR-IDA
$756

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Recent one-way flight deals

9/23Tue
2 stops
18h 55mBOI-LHR
$293
9/6Sat
2 stops
19h 35mBOI-LHR
$299
9/5Fri
3 stops
18h 21mBOI-LHR
$305
8/27Wed
2 stopsAmerican Airlines
18h 04mBOI-EDI
$439
8/27Wed
3 stopsAir Canada
17h 20mBOI-EDI
$450
9/19Fri
2 stopsAir Canada
57h 35mBOI-EDI
$462
9/23Tue
1 stopKLM
17h 15mBOI-LHR
$463
8/27Wed
1 stopKLM
15h 35mBOI-EDI
$468
7/21Mon
3 stopsUnited Airlines
28h 20mBOI-LHR
$475
8/31Sun
2 stopsUnited Airlines
44h 50mGEG-MAN
$487

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Last minute flights from Idaho to the United Kingdom

Last minute flight, train and bus deals

6/21Sat
multi-stopIcelandair
31h 07mGEG-LHR
6/28Sat
multi-stopIcelandair
31h 44mLHR-GEG
$1,639
6/21Sat
multi-stopIcelandair
31h 07mGEG-LHR
6/28Sat
multi-stopIcelandair
31h 44mLHR-GEG
$1,656
6/23Mon
multi-stopUnited Airlines
15h 45mIDA-LHR
7/2Wed
multi-stopUnited Airlines
35h 02mLHR-IDA
$1,718
6/23Mon
multi-stopUnited Airlines
17h 30mIDA-LHR
7/2Wed
multi-stopUnited Airlines
35h 02mLHR-IDA
$1,723
6/23Mon
multi-stopKLM
11h 46mIDA-LHR
7/2Wed
multi-stopKLM
18h 55mLHR-IDA
$1,741
6/23Mon
multi-stopKLM
11h 46mIDA-LHR
7/2Wed
multi-stopKLM
18h 55mLHR-IDA
$1,742
6/19Thu
multi-stop
28h 51mGEG-EDI
6/21Sat
multi-stop
35h 26mEDI-GEG
$1,816
6/19Thu
multi-stop
25h 50mGEG-EDI
6/21Sat
multi-stop
39h 12mEDI-GEG
$1,918
6/21Sat
multi-stopLufthansa
40h 21mBOI-EDI
7/2Wed
multi-stopLufthansa
18h 22mEDI-BOI
$2,191
6/21Sat
multi-stopLufthansa
19h 00mGEG-LHR
6/28Sat
multi-stopLufthansa
18h 48mLHR-GEG
$4,446

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Everything you need to know for your flight to the United Kingdom

Cabin class types available on flights to Idaho

Cabin classes available on flights to Idaho. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to the United Kingdom
Business Class flights to the United Kingdom
Prem Econ Class flights to the United Kingdom
Economy Class flights to the United Kingdom

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