$199 Find Cheap Flights from Idaho to London

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to London departing on 11/27. 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
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Idaho to London

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Idaho to London

Wed, Aug 19 - Mon, Aug 31
Virgin Atlantic Logo
5:00 pm - 3:00 pm
BOI
-
LHR
15h 00m
1 stop
Virgin Atlantic Logo
6:30 am - 6:48 pm
LHR
-
BOI
19h 18m
2 stops
$507Virgin Atlantic
Wed, Aug 19 - Mon, Aug 31
Virgin Atlantic Logo
11:12 am - 1:05 pm
BOI
-
LHR
18h 53m
2 stops
Virgin Atlantic Logo
11:45 am - 10:30 pm
LHR
-
BOI
17h 45m
2 stops
$509Virgin Atlantic
Wed, Aug 19 - Mon, Aug 31
Virgin Atlantic Logo
5:59 pm - 3:35 pm
BOI
-
LHR
14h 36m
1 stop
Virgin Atlantic Logo
9:55 am - 11:00 pm
LHR
-
BOI
20h 05m
1 stop
$522Virgin Atlantic
Wed, Oct 7 - Tue, Oct 13
Alaska Airlines Logo
6:01 pm - 3:05 pm
BOI
-
LHR
14h 04m
1 stop
Alaska Airlines Logo
5:00 pm - 11:58 pm
LHR
-
BOI
13h 58m
1 stop
$642Alaska Airlines
Sun, Oct 18 - Mon, Nov 2
Alaska Airlines Logo
6:01 pm - 3:05 pm
BOI
-
LHR
14h 04m
1 stop
Alaska Airlines Logo
2:45 pm - 10:20 pm
LHR
-
BOI
14h 35m
1 stop
$692Alaska Airlines
Sun, Nov 1 - Wed, Nov 4
United Airlines Logo
5:44 pm - 6:40 am
BOI
-
LHR
29h 56m
2 stops
United Airlines Logo
6:35 am - 9:19 pm
LHR
-
BOI
21h 44m
2 stops
$753United Airlines
Sun, Nov 1 - Wed, Nov 4
United Airlines Logo
6:59 pm - 11:15 am
BOI
-
LHR
33h 16m
1 stop
United Airlines Logo
6:50 am - 11:41 am
LHR
-
BOI
35h 51m
2 stops
$757United Airlines
Tue, Oct 13 - Tue, Oct 20
Iberia Logo
12:45 pm - 12:50 pm
GEG
-
LHR
16h 05m
1 stop
Iberia Logo
6:15 am - 8:47 pm
LHR
-
GEG
22h 32m
2 stops
$871Iberia
Mon, Oct 26 - Tue, Nov 3
Multiple Airlines Logo
7:00 am - 9:40 am
JAC
-
LHR
20h 40m
1 stop
Multiple Airlines Logo
6:35 am - 9:02 pm
LHR
-
JAC
21h 27m
2 stops
$875Multiple Airlines
Mon, Oct 26 - Tue, Nov 3
Multiple Airlines Logo
7:00 am - 7:10 am
JAC
-
LHR
18h 10m
2 stops
Multiple Airlines Logo
7:40 am - 9:02 pm
LHR
-
JAC
20h 22m
2 stops
$878Multiple Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$199
Best time to beat the crowds but there is an average 99% increase in price.
Most popular time to fly and prices are also 29% lower on average.
Flight from Spokane to London Heathrow Airport

FAQs for booking flights from Idaho to London

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

    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.

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

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

    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 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?

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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Hayes
Slough
Richmond
Wembley
Luton
Crawley
Ilford
Eastbourne
Watford
Bedford
Colchester
Guildford
Twickenham
Ipswich
Kingston upon Thames
St. Albans
Maidenhead
Newbury
Harrow

Everything you need to know for your flight to London

Cabin class types available on flights to Idaho

Cabin classes available on flights to London. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to London
Business Class flights to London
Premium Economy Class flights to London
Economy Class flights to London