Cheap flights from Idaho (ID) to London (LON)

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How to find the cheapest flight from
Idaho to London (LON)

All the information you need to plan the best null to LON flight in 2022: compare Idaho to London flight prices with the expected peak season, weather and rainfall in London.
When is the cheapest time to fly from Idaho to London (ID - LON)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to London as you normally would.

How far in advance should I book a flight from Idaho to London?

To save on the cost of your flight from Idaho to London, book at least 61 days before your planned departure. Booking around this time can save you about 70% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,256 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,973.

What is the cheapest month to fly from Idaho to London?

Our data shows that January tends to be the cheapest month to fly to London from Idaho. Users have commonly found prices around $970 for the month, but tickets can be as low as $683. Due to multiple factors, prepare for potentially higher prices in June.

Cheap flights from Idaho to London in August, September 2022

The best prices found for Idaho to LON flights for August, September
21 Sep - 29 Sep
$829pp
BOI
Boise Air Term. Gowen Fld
Virgin Atlantic
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
   
2 STOPS
BOI
Boise Air Term. Gowen Fld
30 Sep - 9 Oct
$833pp
BOI
Boise Air Term. Gowen Fld
KLM
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
KLM
   
2 STOPS
BOI
Boise Air Term. Gowen Fld
29 Sep - 8 Oct
$833pp
GEG
Spokane
KLM
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
KLM
   
2 STOPS
GEG
Spokane

Idaho to London 2022 flight deals

Cheap flights to London from Idaho found for this year
19 Oct - 2 Nov
$732pp
BOI
Boise Air Term. Gowen Fld
United Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
United Airlines
   
2 STOPS
BOI
Boise Air Term. Gowen Fld
22 Nov - 1 Dec
$733pp
BOI
Boise Air Term. Gowen Fld
KLM
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
KLM
   
2 STOPS
BOI
Boise Air Term. Gowen Fld
19 Oct - 2 Nov
$737pp
BOI
Boise Air Term. Gowen Fld
United Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
United Airlines
   
2 STOPS
BOI
Boise Air Term. Gowen Fld

Cheap American Airlines flights from Idaho to London

11 Jan - 2 Feb
$729pp
BOI
Boise Air Term. Gowen Fld
American Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
American Airlines
   
2 STOPS
BOI
Boise Air Term. Gowen Fld
15 Oct - 28 Oct
$756pp
GEG
Spokane
American Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
American Airlines
 
1 STOP
GEG
Spokane
13 Oct - 10 Nov
$802pp
BOI
Boise Air Term. Gowen Fld
American Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
American Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld

Cheap Air France flights from Idaho to London

11 Jan - 3 Feb
$741pp
BOI
Boise Air Term. Gowen Fld
Air France
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Air France
   
2 STOPS
BOI
Boise Air Term. Gowen Fld
22 Nov - 29 Nov
$746pp
BOI
Boise Air Term. Gowen Fld
Air France
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Air France
   
2 STOPS
BOI
Boise Air Term. Gowen Fld
13 Oct - 10 Nov
$790pp
BOI
Boise Air Term. Gowen Fld
Air France
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Air France
   
2 STOPS
BOI
Boise Air Term. Gowen Fld

Last minute flights from Idaho to London

Late deals on round-trip flights to London from Idaho, departing today and this week
16 Aug - 23 Aug
$1,379pp
GEG
Spokane
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
GEG
Spokane
15 Aug - 22 Aug
$1,388pp
BOI
Boise Air Term. Gowen Fld
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
BOI
Boise Air Term. Gowen Fld
16 Aug - 23 Aug
$1,388pp
GEG
Spokane
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
GEG
Spokane

One-way flights to London from Idaho

The cheapest one-way flights from Idaho to London
2:55 pm - 2:25 am
Multiple Airlines
2 Stops
28h 30m
BOI - LGW
Multiple Airlines
$409
Kiwi.com
3:45 am - 6:40 pm
Multiple Airlines
2 Stops
31h 55m
BOI - LGW
Multiple Airlines
$501
Kiwi.com
6:35 am - 12:00 pm
Multiple Airlines
2 Stops
22h 25m
BOI - LHR
Multiple Airlines
$568
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Idaho</span> to <span class="emphasized">London</span> flights.

Flight FAQs

From Idaho to London

Which airlines flying from Idaho to London have flexible cancellations due to COVID-19?

Some of our airline partners flying from Idaho to London have new flexible policies in place due to COVID-19. United Airlines, Delta, and American Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like United Airlines with this kind of flexibility.

Can I find flights from Idaho to London for under $800 on Cheapflights?

Yes, there are multiple flights from Idaho to London for under $800. The cheapest flight booked recently is on Lufthansa for just $719, but on average you can expect to pay $748.

Are there last-minute flights available from Idaho to London for under $1,400?

There are currently 20+ open flights from Idaho to London within the next 7 days for less than $1,400.

What are the most popular airlines that fly from Idaho to London?

The most popular airlines flying from Idaho to London are American Airlines, Alaska Airlines and British Airways. Something to consider prior to booking your flight.

What are the cheapest flights from Idaho to London?

Looking at all options, your cheapest flight can be booked for $850. While the most popular route (Boise Air Term. Gowen Fld - London Heathrow) can be booked for $733 on average our data indicates $1,339 when flying from Idaho to London.

What are the most popular routes from Idaho to London?

The most popular flight routes from Idaho to London are Boise Air Term. Gowen Fld - London Heathrow, Boise Air Term. Gowen Fld - London Gatwick and Boise Air Term. Gowen Fld - London City.

COVID Restrictions

View COVID Travel Restrictions for London, England

Do I need a COVID test to fly to London from Idaho?

Information is based on travel restrictions from Idaho to London

Most visitors from Idaho can enter London without restrictions.

COVID-19 testing requirements
Visitors from Idaho are not required to present a negative COVID-19 PCR test or antigen result upon entering London.

Quarantine requirements
Visitors from Idaho are not required to quarantine after entering London.

Do I need a test to fly back to Idaho from London?

Returning to Idaho from London

COVID-19 testing requirements
Visitors from London are not required to present a negative COVID-19 PCR test or antigen result upon entering Idaho.

Quarantine requirements
Visitors from London are not required to quarantine after entering Idaho.

Hide COVID Travel Restrictions for London, England

Departure points for flights from Idaho to London

Select to see more specific information for flights to London from all departure points in Idaho.

Top 7 airlines flying from Idaho to London

The chart below displays the airlines Cheapflights users traveling from Idaho to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Brussels Airlines
$378 $494 No cancel fee N/A
Virgin Atlantic
$577 $1,166 No cancel fee 72%
United Airlines
$598 $899 No cancel fee 69%
American Airlines
$671 $856 No cancel fee 71%
Delta
$694 $1,041 No cancel fee N/A
British Airways
$754 $1,238 No cancel fee 70%
Lufthansa
$1,340 $1,588 No cancel fee 76%