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Cheap flights from London to Boise

Cheap flights from London to Boise are all connecting – no airline flies this route nonstop. You'll change planes at a major hub, and the journey takes most of a day. November is the cheapest month to fly, and the fare calendar below shows prices for several months.

Cheapest monthFebruary
Airlines10
Direct flightswith a stop
Distance7,785 km
Direct flight time *9 h 57 min
Updated 5 Nov 2026

Search opens on kissandfly.com — that’s where you buy the ticket.

Prices found on this route

Lowest fare found per airline in recent searches — click to search that date on kissandfly.com

AirlineFlightRatingDatePrice fromSearch
LufthansaLufthansaLHwith a stop★★★★★ 4.417 Dec 2026from $910Search 17 Dec 2026
Virgin AtlanticVirgin AtlanticVSwith a stop★★★★★ 4.55 Sept 2027from $931Search 5 Sept 2027
KLM Royal Dutch AirlinesKLM Royal Dutch AirlinesKLwith a stop★★★★★ 4.320 Mar 2027from $1,011Search 20 Mar 2027
American AirlinesAmerican AirlinesAAwith a stop★★★★★ 3.97 Dec 2026from $1,149Search 7 Dec 2026
WestJetWestJetWSwith a stop★★★★★ 4.222 Jul 2027from $1,344Search 22 Jul 2027
Aer LingusAer LingusEIwith a stop—16 Nov 2026from $1,487Search 16 Nov 2026
United AirlinesUnited AirlinesUAwith a stop★★★★★ 3.917 Dec 2026from $1,533Search 17 Dec 2026
German AirwaysGerman AirwaysZQwith a stop—6 Jan 2027from $1,548Search 6 Jan 2027
Air CanadaAir CanadaACwith a stop—17 Nov 2026from $1,571Search 17 Nov 2026
Air FranceAir FranceAFwith a stop★★★★★ 4.220 Mar 2027from $1,587Search 20 Mar 2027

Source: fares found by Tickets Travel Network search engines, snapshot of 5 November 2026. Prices are converted to USD at an approximate rate; the exact price is shown on the booking site.

Price by month

Lowest fare found for each month in recent searches. Cheapest month: February — from $879.

MonthPrice fromDate
November 2026from $2,1656 Nov 2026
December 2026from $1,1497 Dec 2026
January 2027from $3,7183 Jan 2027
February 2027from $87923 Feb 2027
March 2027from $94120 Mar 2027
June 2027from $1,11017 Jun 2027
July 2027from $1,18122 Jul 2027
September 2027from $9315 Sept 2027

Search February on kissandfly.com

Airports on this route

Distances are straight-line from the city centre

CityAirportTo centre
LondonLondon City LCY13 km
LondonGatwick LGW40 km
LondonHeathrow LHR24 km
LondonLuton LTN44 km
LondonStansted STN49 km
BoiseAir Term Gowen Fld BOI6 km

Route on the map

LondonBoise7,785 km
London – Boise: 7,785 km in a straight line; USA is highlighted. Land outlines: Natural Earth.

When to fly

November is the cheapest month to fly from London to Boise. The fare calendar covers September through March and July, so you can compare prices across seasons. For a trip this long, expect to spend a full day travelling – midweek flights are often cheaper, but the calendar will show you the exact dates.

Airlines and what to expect

All airlines on this route – Air Canada, Delta Air Lines, KLM Royal Dutch Airlines, American Airlines, British Airways, Icelandair, Aer Lingus, United Airlines, Lufthansa City Airlines, and Helvetic Airways – operate connecting itineraries from London to Boise. None are low-cost, so you'll get full-service amenities, but baggage policies and included services vary. Compare connection times and check whether you need to re-check bags if your itinerary uses separate tickets.

Arriving — Boise

Arriving in Boise, you'll touch down at Air Term Gowen Fld, the city's airport. It's a small field just south of downtown, so you can be in the centre within a short drive. Taxis, ride apps, and a couple of bus lines serve the terminal; there's no train. If you're arriving late, check the bus schedule – some routes end early. The airport itself is compact, so you'll get through quickly.

Before you go: USA

Currency
USD ($)
Power sockets
Type A, B · 120 V
Language
Samoan, Hawaiian, Chamorro, Carolinian, Spanish
Emergency number
911
Driving side
right
Calling code
+1
Internet domain
.us
Population of Boise
236 k (2020)
Time zone
UTC-07 (America/Denver)

Country facts: Wikidata

Check before you book

  • Check which London airport you depart from – the options are London City, Gatwick, Heathrow, Luton, and Stansted.
  • Confirm you have a valid ESTA or visa for the USA before you book.
  • Review baggage allowances for each airline on your itinerary, as they differ.
  • If your connection is on separate tickets, plan extra time to collect and re-check bags.
  • Look at November fares – that's the cheapest month to fly this route.

Frequently asked questions

London – Boise: when is it cheapest to fly?

The lowest price in recent searches was found for February 2027 — $879. Prices change daily; check the live price in the search.

London – Boise: which airlines fly this route?

Airlines with offers on this route: Lufthansa, Virgin Atlantic, KLM Royal Dutch Airlines, American Airlines, WestJet, Aer Lingus, United Airlines, German Airways, Air Canada, Air France.

London – Boise: are there direct flights?

Only connecting flights were available in recent searches.

How long is the flight from London to Boise?

The distance is about 7,785 km, so a non-stop flight takes roughly 9 h 57 min. Only connecting flights were found recently; a stop adds a few hours.

Which airports serve London – Boise?

London: London City (LCY), Gatwick (LGW), Heathrow (LHR), Luton (LTN), Stansted (STN). Boise: Air Term Gowen Fld (BOI).

What is the time difference between London and Boise?

Boise is 7 h behind London.

London — more routes

ToAirlineFlightDatePrice from
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BudapestRyanairdirect8 Jan 2027from $29
KrakowRyanairdirect18 Jan 2027from $31
ParisEasyjetdirect10 Dec 2026from $37
ChisinauWizz Air UKdirect1 Dec 2026from $43
WarsawAir Francewith a stop1 Dec 2026from $156
SuceavaWizz Air Maltadirect17 Dec 2026from $472

London: flights from the city

Boise — flights from other cities

FromFlightDatePrice from
Londonwith a stop7 Dec 2026from $1,149

More destinations in USA: flights

Search on kissandfly.com · $910