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 2021: 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 73% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,027 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,426.

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

Our data shows that October tends to be the cheapest month to fly to London from Idaho. Users have commonly found prices around $933 for the month, but tickets can be as low as $382. Due to multiple factors, prepare for potentially higher prices in June.

Cheap flights from Idaho to London in October, November 2021

The best prices found for Idaho to LON flights for October, November
29 Oct - 31 Oct
$625pp
GEG
Spokane
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
KLM
   
2 STOPS
GEG
Spokane
30 Nov - 7 Dec
$682pp
BOI
Boise Air Term. Gowen Fld
Air Canada
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Air Canada
   
2 STOPS
BOI
Boise Air Term. Gowen Fld
11 Nov - 16 Nov
$683pp
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

Idaho to London 2021 flight deals

Cheap flights to London from Idaho found for this year
29 Oct - 31 Oct
$625pp
GEG
Spokane
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
KLM
   
2 STOPS
GEG
Spokane
2 Dec - 9 Dec
$679pp
BOI
Boise Air Term. Gowen Fld
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
BOI
Boise Air Term. Gowen Fld
30 Nov - 7 Dec
$682pp
BOI
Boise Air Term. Gowen Fld
Air Canada
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Air Canada
   
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
26 Oct - 27 Oct
$1,266pp
BOI
Boise Air Term. Gowen Fld
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld
22 Oct - 7 Nov
$1,349pp
BOI
Boise Air Term. Gowen Fld
Lufthansa
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
Lufthansa
   
2 STOPS
BOI
Boise Air Term. Gowen Fld
22 Oct - 7 Nov
$1,452pp
BOI
Boise Air Term. Gowen Fld
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
 
1 STOP
BOI
Boise Air Term. Gowen Fld

One-way flights to London from Idaho

The cheapest one-way flights from Idaho to London
6:45 am - 5:10 am
American Airlines
2 Stops
15h 25m
BOI - LHR
American Airlines
9:11 am - 2:25 pm
KLM
2 Stops
23h 14m
BOI - LCY
KLM
$616
KLM
10:40 am - 4:40 pm
Multiple Airlines
2 Stops
22h 00m
GEG - LHR
Multiple Airlines
$630
Condor

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 $700 on Cheapflights?

Yes, there are multiple flights from Idaho to London for under $700. The cheapest flight booked recently is on Multiple Airlines for just $625, but on average you can expect to pay $668.

Are there last-minute flights available from Idaho to London for under $1,300?

There are currently 9+ open flights from Idaho to London within the next 7 days for less than $1,300.

What are the cheapest airlines to fly from Idaho to London one-way?

The cheapest airlines for a one-way flight from Idaho to London are Lufthansa ($567), American Airlines ($567), and KLM ($616).

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 City and Boise Air Term. Gowen Fld - London Gatwick.

What are the cheapest flights from Idaho to London?

Looking at all options, your cheapest flight can be booked for $194. While the most popular route (Boise Air Term. Gowen Fld - London Heathrow) can be booked for $676 on average our data indicates $1,698 when flying from Idaho to London

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

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

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 need to provide a negative COVID-19 test result and/or quarantine to enter London.

COVID-19 testing requirements
Visitors from Idaho must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London.

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

Documents
Mandatory passenger locator form - Submit the form any time in the 48 hours before arriving in the UK. Show the form when checking in your plane, train or ferry to the UK.

Managed quarantine package for Scotland - All travelers arriving directly to Scotland are required to book their Managed Quarantine Package prior to travel.

COVID-19 testing package - All travelers must book and pay for a COVID-19 Testing Package prior to travel to England and Scotland.


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

Returning to Idaho from London

COVID-19 testing requirements
Visitors from London must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to 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.

Destination information for London

Things to know before you go - useful duration and weather info for your trip from Idaho to London.
Today's exchange rate
$1 = £0.73
Average temperature for October in London
60.8 °F
Avg rainfall for October in London
2.8 ″

Airports servicing

Idaho Falls (IDA)
Lewiston (LWS)
Pocatello (PIH)
Hailey Sun Valley-Friedman (SUN)
Twin Falls (TWF)

Airports servicing London

Gatwick (LGW)
Stansted (STN)
London City (LCY)
Luton (LTN)
Southend (SEN)

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
United Airlines
$179 $913 No cancel fee 69%
British Airways
$374 $631 No cancel fee 70%
Brussels Airlines
$378 $494 No cancel fee N/A
Delta
$581 $1,042 No cancel fee N/A
Lufthansa
$587 $1,114 No cancel fee 76%
Virgin Atlantic
$638 $1,090 No cancel fee 72%
American Airlines
$641 $1,293 No cancel fee 71%