LHR - BOI

$504 Find Cheap Flights from London to Boise - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$895
Typical prices: $856-$1,278
Multiple Airlines
Sun 10/28Sun 11/4
LHR - BOI • 1 stop
Cheapest one-way
$504
Typical prices: $740-$984
United Airlines
Sat 11/3
LHR - BOI • 1 stop
Nonstop flights
Not available
There are currently no direct flights between London Heathrow Airport and Boise. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
17 weeks
in advance
Our data shows that travelers who book at least 17 weeks in advance save around 47% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 28% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg $821 (round-trip)
Denver Intl (DEN)
Shortest trip • 12h 51m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Boise!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from London to Boise (LHR-BOI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from London to Boise

Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
12:20 pm - 10:06 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
15h 46m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
1:53 pm - 10:40 amBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
13h 47m1 stop Seattle/Tacoma Intl
$895Multiple Airlines
Tue, Oct 27 - Tue, Nov 3
United Airlines Logo
1:30 pm - 6:03 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
34h 33m2 stops Frankfurt am Main Denver Intl
United Airlines Logo
7:10 pm - 9:40 amBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
31h 30m2 stops San Francisco Denver Intl
$915United Airlines
Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
2:30 pm - 11:19 amLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
26h 49m2 stops Vancouver Intl San Francisco
Multiple Airlines Logo
12:31 pm - 12:00 pmBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
16h 29m1 stop Chicago O'Hare Intl
$922Multiple Airlines
Wed, Oct 28 - Wed, Nov 4
Air Canada Logo
2:30 pm - 11:19 amLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
26h 49m2 stops Vancouver Intl San Francisco
Air Canada Logo
6:30 am - 7:10 amBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
17h 40m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl
$925Air Canada
Mon, Nov 2 - Mon, Nov 16
Multiple Airlines Logo
6:20 am - 9:33 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
22h 13m2 stops Paris Charles de Gaulle San Francisco
Multiple Airlines Logo
10:13 am - 10:55 amBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
17h 42m1 stop San Francisco
$954Multiple Airlines
Tue, Oct 13 - Tue, Oct 20
Multiple Airlines Logo
11:40 am - 11:59 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
19h 19m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
6:04 pm - 3:35 pmBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
14h 31m1 stop Seattle/Tacoma Intl
$976Multiple Airlines
Mon, Nov 2 - Mon, Nov 16
Alaska Airlines Logo
2:45 pm - 9:07 amLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
25h 22m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
8:20 am - 12:20 pmBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
21h 00m1 stop Seattle/Tacoma Intl
$978Alaska Airlines
Mon, Nov 2 - Mon, Jan 4
Multiple Airlines Logo
8:15 pm - 6:03 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
28h 48m2 stops Munich Franz Josef Strauss Denver Intl
Multiple Airlines Logo
6:31 am - 12:20 pmBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
22h 49m1 stop Seattle/Tacoma Intl
$998Multiple Airlines
Sat, Nov 21 - Sat, Nov 28
Alaska Airlines Logo
2:45 pm - 11:59 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
16h 14m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
9:59 pm - 12:20 pmBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
31h 21m1 stop Seattle/Tacoma Intl
$1,001Alaska Airlines
Fri, Oct 9 - Thu, Oct 22
Alaska Airlines Logo
5:00 pm - 3:23 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
29h 23m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:04 pm - 3:05 pmBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
14h 01m1 stop Seattle/Tacoma Intl
$1,005Alaska Airlines
Booking Insights

Price, demand and travel trends for London Heathrow Airport to Boise flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from London Heathrow Airport to Boise with more confidence.

What's the cheapest day of the week to fly from London Heathrow Airport to Boise?

Monday is the cheapest day of the week to fly from London Heathrow Airport to Boise, it is 14% cheaper than the average day. Sunday is the most expensive day with flight prices 20% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from London Heathrow Airport to Boise at $765 round-trip.
  • August ($1,526) and December ($1,375) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 99% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from London Heathrow Airport to Boise the cheapest?

Flights from London Heathrow Airport to Boise are cheapest 17 weeks before departure. Booking in this window typically costs about 47% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for London Heathrow Airport to Boise flights

Low season

December

Cheapest flight

$504
Best time to beat the crowds but there is an average 30% increase in price.
Most popular time to fly with an average 10% increase in price.
Flight from London Heathrow Airport to Boise

When to book flights from London to Boise

Are your dates flexible? Find out the best times to travel from London to Boise based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your London Heathrow Airport to Boise flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from London Heathrow Airport to Boise?

    Flights from London Heathrow Airport to Boise usually depart from London Heathrow (LHR) and arrive at Boise Air Term. Gowen Fld (BOI).

  • What cabin classes can I book on flights from London Heathrow Airport to Boise?

    Two cabin classes are available on flights from London Heathrow Airport to Boise:

    • Economy Class
    • Business Class

  • Which airports do connecting flights from London Heathrow Airport to Boise pass through?

    One-stop flights from London Heathrow Airport to Boise most commonly connect through:

    • Denver Intl (DEN) - 51% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 41% of one-stop connections
    • San Francisco (SFO) - 4% of one-stop connections
    • Salt Lake City (SLC) - 2% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from London Heathrow Airport to Boise?

    Yes. Being flexible with your travel dates can save you up to 29% on the London Heathrow Airport to Boise route. Monday is the cheapest departure day at $914 round-trip on average, while Sunday is the most expensive at $1,270, a difference of $356. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Boise?

    Some of the most popular sights in Boise are Boise Center, Idaho Central Arena and Boise River Greenbelt. These are among the most viewed places in Boise on KAYAK.

  • How expensive are last-minute London Heathrow Airport to Boise flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 31% above the route average of $1,056. Book 17 weeks before departure for the lowest fares.

  • How long is a flight from London Heathrow Airport to Boise?

    A nonstop flight from London Heathrow Airport to Boise takes 0h 00m, covering 4,829 miles.

  • Do I need a passport to fly from London Heathrow Airport to Boise?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from London Heathrow Airport to Boise looking right now?

    One-way fares from London Heathrow Airport to Boise are currently lower than usual. Average one-way flight prices are about $599, which is 30% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from London Heathrow Airport to Boise?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 12h 51m, compared with 13h 34m via Seattle/Tacoma Intl (SEA) and 13h 44m via Chicago O'Hare Intl (ORD).

  • What is the time difference between London Heathrow Airport and Boise?

    Boise is 7 hours behind London Heathrow Airport (Mountain Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Boise Air Term. Gowen Fld Airport (BOI)?

    Boise Air Term. Gowen Fld Airport (BOI) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
    • Budget
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Avis

  • How much should I expect to pay for a London Heathrow Airport to Boise flight?

    Round-trip flights from London Heathrow Airport to Boise range from $856 to $1,278, with an average of $1,056 over the past 12 months. Anything below $856 counts as a good deal.

Your guide to booking London Heathrow Airport to Boise flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Monday departure instead of Sunday. On this route, Monday flights average $914 - about $356 less than Sunday (28% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 17 weeks before you fly. On this route, that window historically saves about 47% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your London Heathrow Airport to Boise trip for January. Fares historically average $765 round-trip in that month - typically $761 less than the most expensive month, which is August (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Boise Air Term. Gowen Fld Airport.
    - Ramada by Wyndham Boise
    - Hotel 28 Boise Airport, an Ascend Collection Hotel
    - Super 8 by Wyndham Boise

More options for your flight from London to Boise

Complete your trip to Boise with a hotel stay or car rental

Car rentals in Boise
Hotels in Boise
Vacations in Boise