BOI - LON

$324 Find Cheap Flights from Boise to London - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$753
Typical prices: $792-$1,150
Air Canada, Lufthansa
Thu 12/6Sat 12/8
BOI - LHR • 2 stops
Cheapest one-way
$324
Typical prices: $434-$630
Iberia
Thu 2/8
BOI - LHR • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Boise and London. You'll need to take a connecting flight to reach the destination.
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Top routes
BOI - LCY
Cheapest • 17% average savings
BOI - LHR
Most popular
Insights
Insights
When to book
10 weeks
in advance
Our data shows that travelers who book at least 10 weeks in advance save around 33% compared to booking last minute.
Insights
Insights
When to travel
November
Cheapest • 21% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
San Francisco (SFO)
Cheapest • Avg $708 (round-trip)
Portland (PDX)
Shortest trip • 12h 39m (one-way)
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Insights
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We hope you love your trip to London!
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Booking Insights
Flight Deals

Cheap Flights from Boise to London (BOI-LON)

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

Recent round-trip flight deals from Boise to London

Sun, Dec 6 - Tue, Dec 8
Multiple Airlines Logo
6:20 am - 7:10 amBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
17h 50m2 stops San Francisco Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
6:35 am - 5:55 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
18h 20m2 stops Munich Franz Josef Strauss Denver Intl
$753Multiple Airlines
Sun, Dec 6 - Tue, Dec 8
United Airlines Logo
10:39 am - 12:00 pmBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
18h 21m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
6:35 am - 7:16 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
19h 41m2 stops Munich Franz Josef Strauss San Francisco
$754United Airlines
Sun, Dec 6 - Tue, Dec 8
United Airlines Logo
10:39 am - 9:10 amBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
15h 31m2 stops Denver Intl Newark
United Airlines Logo
6:35 am - 7:16 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
19h 41m2 stops Munich Franz Josef Strauss San Francisco
$754United Airlines
Sun, Dec 6 - Tue, Dec 8
Delta Logo
11:30 am - 10:45 amBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
16h 15m2 stops Salt Lake City Amsterdam Schiphol
Delta Logo
10:45 am - 5:58 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
14h 13m1 stop Salt Lake City
$815Delta
Sun, Dec 6 - Tue, Dec 8
United Airlines Logo
10:39 am - 9:40 amBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
16h 01m1 stop Denver Intl
United Airlines Logo
6:35 am - 7:16 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
19h 41m2 stops Munich Franz Josef Strauss San Francisco
$818United Airlines
Sun, Dec 6 - Wed, Jan 13
Delta Logo
5:15 am - 7:50 amBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
19h 35m2 stops Minneapolis St Paul Boston Logan Intl
Delta Logo
6:30 am - 4:00 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
16h 30m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$871Delta
Tue, Dec 8 - Tue, Jan 12
KLM Logo
1:13 pm - 11:40 amBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
15h 27m2 stops Salt Lake City Atlanta Hartsfield-Jackson
KLM Logo
6:30 am - 6:33 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
19h 03m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$871KLM
Wed, Dec 9 - Tue, Jan 12
KLM Logo
12:13 pm - 10:40 amBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
15h 27m1 stop Seattle/Tacoma Intl
KLM Logo
6:30 am - 4:00 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
16h 30m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$871KLM
Wed, Feb 10 - Wed, Apr 21
Virgin Atlantic Logo
11:30 am - 10:30 amBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
16h 00m2 stops Salt Lake City New York John F Kennedy Intl
Virgin Atlantic Logo
9:55 am - 8:17 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
17h 22m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$895Virgin Atlantic
Mon, Sep 28 - Wed, Oct 14
Virgin Atlantic Logo
12:17 pm - 11:20 amBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
16h 03m1 stop Seattle/Tacoma Intl
Virgin Atlantic Logo
12:25 pm - 11:59 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
18h 34m1 stop Minneapolis St Paul
$924Virgin Atlantic
Booking Insights

Price, demand and travel trends for Boise to London flights

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

What is the cheapest Boise to London flight route?

Boise (BOI) to London City Airport (LCY) is the cheapest Boise to London route, averaging $824 round-trip. Other Boise to London routes average $1,080, based on KAYAK data over the past 12 months.

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

Tuesday is the cheapest day of the week to fly from Boise to London, it is 16% cheaper than the average day. Thursday is the most expensive day with flight prices 10% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • November is the cheapest month to fly from Boise to London at $742 round-trip.
  • June ($1,423) and July ($1,203) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 91% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Boise to London the cheapest?

Flights from Boise to London are cheapest 10 weeks before departure. Booking in this window typically costs about 33% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Boise to London flights

Low season

December

Cheapest flight

$324
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 12% increase in price.
Flight from Boise to London Heathrow Airport

When to book flights from Boise to London

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

Your Boise to London 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 Boise to London?

    Flights from Boise to London usually depart from Boise Air Term. Gowen Fld (BOI) and may arrive at several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN).

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

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

    • Economy Class
    • Business Class

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

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

    • Seattle/Tacoma Intl (SEA) - 55% of one-stop connections
    • Denver Intl (DEN) - 32% of one-stop connections
    • Dallas/Fort Worth (DFW) - 3% of one-stop connections
    • Los Angeles Los Angeles (LAX) - 3% of one-stop connections

    Seattle/Tacoma Intl (SEA) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 24% on the Boise to London route. Tuesday is the cheapest departure day at $792 round-trip on average, while Thursday is the most expensive at $1,035, a difference of $243. 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 London?

    Some of the most popular sights in London are Paddington Station, Central London and London Victoria Station. These are among the most viewed places in London on KAYAK.

  • How long is a flight from Boise to London?

    A nonstop flight from Boise to London takes 0h 00m, covering 4,838 miles.

  • What are the earliest and latest flights from Boise to London?

    These are the earliest and latest flight times available from Boise to London:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 30% above the route average of $938. Book 10 weeks before departure for the lowest fares.

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

    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 Boise to London looking right now?

    One-way fares from Boise to London are currently lower than usual. Average one-way flight prices are about $410, which is 23% below the typical average for this route.

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

    Flying via Portland (PDX) gives the shortest average 1-stop total travel time at 12h 39m, compared with 12h 46m via Denver Intl (DEN) and 13h 37m via Salt Lake City (SLC).

  • What is the time difference between Boise and London?

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

  • What car rental options are available in London?

    Since London is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near London Heathrow Airport (LHR) — daily rates from around $7:

    · GREEN MOTION
    · DRIVALIA
    · Europcar
    · Alamo
    · Hertz

    Near London Gatwick Airport (LGW) — daily rates from around $8:

    · GREEN MOTION
    · DRIVALIA
    · U-Save
    · Europcar
    · Alamo

    Near London City Airport (LCY) — daily rates from around $11:

    · GREEN MOTION
    · Budget
    · Hertz
    · Avis
    · Sixt

    Near London Luton Airport (LTN) — daily rates from around $11:

    · GREEN MOTION
    · DRIVALIA
    · Alamo
    · Europcar
    · Budget

    Near London Stansted Airport (STN) — daily rates from around $10:

    · GREEN MOTION
    · DRIVALIA
    · Europcar
    · Alamo
    · U-Save

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

    Round-trip flights from Boise to London range from $792 to $1,150, with an average of $938 over the past 12 months. Anything below $792 counts as a good deal.

Your guide to booking Boise to London 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 Tuesday departure instead of Thursday. On this route, Tuesday flights average $792 - about $243 less than Thursday (23% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 10 weeks before you fly. On this route, that window historically saves about 33% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boise to London trip for November. Fares historically average $742 round-trip in that month - typically $681 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near London City Airport

    · Good Hotel London
    · Novotel London Excel
    · Aloft London Excel

    Near London Heathrow Airport

    · Hilton London Heathrow Airport

    Near London Gatwick Airport

    · Premier Inn London Gatwick Airport

Everything you need to know for your flight from Boise to London

Information on your arrival and departure airports

Boise (BOI)