Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Idaho to London Heathrow Airport from $483

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to London Heathrow Airport departing on 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Idaho to London

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Idaho to London.
Scandinavian Airlines Logo
3:05 pm - 5:40 pmBOI-LHR
19h 35m2 stops
Scandinavian Airlines Logo
7:30 pm - 6:31 pmLHR-BOI
30h 01m2 stops
$626Scandinavian Airlines
Find Deal
mar., oct. 14 - mar., oct. 21
Scandinavian Airlines Logo
3:43 pm - 5:40 pmBOI-LHR
18h 57m2 stops
Scandinavian Airlines Logo
10:20 am - 11:16 pmLHR-BOI
19h 56m2 stops
$691Scandinavian Airlines
Find Deal
mar., ago. 26 - jue., sep. 4
Delta Logo
3:00 pm - 1:10 pmBOI-LHR
15h 10m1 stop
Delta Logo
11:45 am - 12:17 amLHR-BOI
19h 32m2 stops
$696Delta
Find Deal
dom., sep. 14 - mié., oct. 8
Delta Logo
2:45 pm - 1:10 pmBOI-LHR
15h 25m1 stop
Delta Logo
6:15 am - 4:29 pmLHR-BOI
17h 14m2 stops
$702Delta
Find Deal
mié., sep. 3 - mar., sep. 16
KLM Logo
11:45 am - 9:50 amBOI-LHR
15h 05m1 stop
KLM Logo
12:25 pm - 11:38 pmLHR-BOI
18h 13m1 stop
$710KLM
Find Deal
mié., sep. 3 - mar., sep. 16
United Airlines Logo
10:53 am - 9:40 amIDA-LHR
15h 47m1 stop
United Airlines Logo
2:05 pm - 10:51 pmLHR-IDA
39h 46m2 stops
$720United Airlines
Find Deal
mié., may. 14 - mié., may. 21
 Logo
7:00 am - 6:30 amBOI-LHR
16h 30m2 stops
 Logo
8:30 am - 9:16 pmLHR-BOI
19h 46m3 stops
mié., sep. 3 - mar., sep. 16
United Airlines Logo
2:40 pm - 9:40 amIDA-LHR
12h 00m1 stop
United Airlines Logo
11:25 am - 10:45 pmLHR-IDA
18h 20m1 stop
$743United Airlines
Find Deal
mié., may. 14 - mié., may. 21
 Logo
11:21 am - 11:50 amGEG-LHR
16h 29m2 stops
 Logo
8:05 pm - 8:29 pmLHR-GEG
32h 24m2 stops
vie., sep. 5 - dom., sep. 21
KLM Logo
11:45 am - 9:50 amBOI-LHR
15h 05m1 stop
KLM Logo
10:55 am - 10:04 pmLHR-BOI
18h 09m1 stop
$760KLM
Find Deal
mié., oct. 1 - dom., oct. 19

KLM flights from Idaho to London Heathrow Airport

Our best KLM deals on Idaho to London Heathrow Airport flight tickets
KLM
Sep 3
BOI11:45 amBoise Air Term. Gowen Fld
15h 05m
1 stop
LHR9:50 amLondon Heathrow
Sep 16
LHR12:25 pmLondon Heathrow
18h 13m
1 stop
BOI11:38 pmBoise Air Term. Gowen Fld
KLM
Oct 1
BOI11:45 amBoise Air Term. Gowen Fld
15h 05m
1 stop
LHR9:50 amLondon Heathrow
Oct 19
LHR10:55 amLondon Heathrow
18h 09m
1 stop
BOI10:04 pmBoise Air Term. Gowen Fld
KLM
Sep 9
BOI1:15 pmBoise Air Term. Gowen Fld
13h 35m
1 stop
LHR9:50 amLondon Heathrow
Sep 30
LHR10:55 amLondon Heathrow
18h 09m
1 stop
BOI10:04 pmBoise Air Term. Gowen Fld

United Airlines flights from Idaho to London Heathrow Airport

Our best United Airlines deals on Idaho to London Heathrow Airport flight tickets
United Airlines
May 14
IDA10:53 amIdaho Falls Fanning Field
15h 47m
1 stop
LHR9:40 amLondon Heathrow
May 21
LHR2:05 pmLondon Heathrow
39h 46m
2 stops
IDA10:51 pmIdaho Falls Fanning Field
United Airlines
May 14
IDA2:40 pmIdaho Falls Fanning Field
12h 00m
1 stop
LHR9:40 amLondon Heathrow
May 21
LHR11:25 amLondon Heathrow
18h 20m
1 stop
IDA10:45 pmIdaho Falls Fanning Field
United Airlines
Sep 26
BOI2:13 pmBoise Air Term. Gowen Fld
13h 57m
1 stop
LHR11:10 amLondon Heathrow
Oct 6
LHR9:00 amLondon Heathrow
44h 21m
2 stops
BOI10:21 pmBoise Air Term. Gowen Fld

See travel insights to London from

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

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

What is the cheapest month to fly to London Heathrow Airport?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Idaho, with most prices found around $751. If you’re not able to fly to London Heathrow Airport in October, then September is your next best option. Flight prices from Idaho to London Heathrow Airport during September average around $823.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $854. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $1,110.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Idaho to London Heathrow Airport in the evening for as low as $891. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $1,011.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Idaho when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $931 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Idaho for as low as $821 on momondo.

Cheap Idaho to London Heathrow Airport flight deals and tips

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

Best Price Found

$483

Fastest flight time

11h 22m

Direct flights

None
The best one-way flight to London Heathrow Airport from Idaho in the past 72 hours is $483. The best round-trip flight deal from Idaho to London Heathrow Airport found on momondo in the last 72 hours is $626.
The fastest flight from Idaho to London Heathrow Airport takes 11h 22m
There are no direct flights from Idaho to London Heathrow Airport. Popular non-direct routes for this connection are Jackson Hole Airport - London Heathrow Airport, Spokane Airport - London Heathrow Airport and Boise Air Term. Gowen Fld Airport - London Heathrow Airport.

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

    Prices for flights from Idaho to London Heathrow Airport refresh daily.

  • How many operators does momondo search for flights from Idaho to London Heathrow Airport?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Best airlines flying from Idaho to London Heathrow Airport

Compare and see reviews for airlines that fly from Idaho to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $648Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $687Free CancellationRating
7.4
8,667 reviews
Search United Airlines flights
Virgin AtlanticPriceFrom $695Free CancellationRating
7.4
642 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $727Free CancellationRating
8.0
7,916 reviews
Search Delta flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Croydon
Luton
Guildford
Hayes
Slough
Dartford
Stansted
Ilford
Dover
Salisbury
Swindon
Milton Keynes
Canterbury
Colchester
Horley
Wembley
Chelmsford
Poole

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to London?

It is quick and easy to find Idaho to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

All flight searches from Idaho to London on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Idaho to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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


An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
mar. 4/22
mar. 4/29

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo