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Cheap flights from Idaho to England from £249

BOI — LHR
12 Nov — 19 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Idaho to England

Enter your travel dates to find the best prices.

Cheapest flights from Idaho to England

Tue 10/1107:00 -
1 stop20h 00m
Tue 17/1107:30 -
2 stops22h 12m
Deal found 11/10£707
Sun 8/1107:00 -
1 stop18h 15m
Tue 24/1107:30 -
2 stops23h 19m
Deal found 8/10£708
Tue 10/1112:00 -
2 stops16h 50m
Tue 17/1106:35 -
2 stops18h 28m
Deal found 11/10£708
Wed 2/1206:15 -
2 stops19h 55m
Thu 10/1206:35 -
2 stops21h 55m
Deal found 10/10£711
Wed 11/1106:20 -
2 stops22h 30m
Thu 19/1114:30 -
2 stops40h 03m
Deal found 12/10£712
Tue 8/1206:40 -
2 stops22h 25m
Mon 15/219:05 -
2 stops23h 23m
Deal found 9/10£717
Mon 9/1107:00 -
2 stops22h 50m
Mon 16/1119:05 -
2 stops25h 46m
Deal found 12/10£718
Mon 7/1210:37 -
1 stop17h 03m
Wed 16/1206:30 -
2 stops19h 08m
Deal found 9/10£723
Wed 25/1114:51 -
1 stop11h 49m
Wed 2/1211:10 -
2 stops41h 20m
Deal found 11/10£723
Sat 7/1107:00 -
2 stops26h 20m
Sat 14/1117:20 -
2 stops32h 10m
Deal found 9/10£1,069
Wed 16/1207:32 -
2 stops25h 48m
Tue 5/117:20 -
2 stops35h 22m
Deal found 8/10£1,447
Sat 26/1207:30 -
2 stops25h 50m
Fri 1/117:20 -
2 stops29h 59m
Deal found 11/10£1,651

Find flight deals from Idaho to England

Round-trip from

£572

One-way from

£249

Popular in

January

Cheapest in

November

Average price

£934
United Airlines
  • United Airlines
  • 23/2-26/2
  • 4 total stops
  • 55h 07m total
  • Idaho to England
Search Deals
Air Canada
  • Air Canada
  • 16/1-31/12
  • 2 total stops
  • 45h 46m total
  • Idaho to England
Search Deals
Highest demand for flights based on searches. 30% potential increase in price (£291 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (£99 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Idaho to England that are best for you.

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Cheapest return flight

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Sat 16/1

07:04-11:50

2 stops45h 46m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£249

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Sat 16/1

19:00-12:20

1 stop34h 20m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£249
Fastest return journey

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Fri 12/3

14:00-12:10

1 stop15h 10m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£298

BoiseLondon

BOI Boise Air Term. Gowen Fld - STN London Stansted

BOISTN

Boise Air Term. Gowen Fld

Sat 16/1

19:00-22:45

3 stops44h 45m

London Stansted

Wed 31/12

00:00-16:00

Nonstop0h 00m

£343

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Sun 8/11

05:00-07:55

2 stops19h 55m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£350

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Mon 2/11

07:00-12:50

3 stops46h 50m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£372

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Fri 12/3

12:42-12:05

2 stops16h 23m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£387

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Fri 12/3

10:39-07:10

2 stops37h 31m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£389

BoiseLondon

BOI Boise Air Term. Gowen Fld - STN London Stansted

BOISTN

Boise Air Term. Gowen Fld

Sun 8/11

19:30-08:15

2 stops53h 45m

London Stansted

Wed 31/12

00:00-16:00

Nonstop0h 00m

£392

BoiseLondon

BOI Boise Air Term. Gowen Fld - STN London Stansted

BOISTN

Boise Air Term. Gowen Fld

Sun 18/10

06:43-23:25

3 stops33h 42m

London Stansted

Wed 31/12

00:00-16:00

Nonstop0h 00m

£394

Flights are sorted by cheapest return flights first.

Deals found on 11/10

Showing 1-10 of 26 resultsSorted by cheapest first
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Best time to book a flight from Idaho to England

Have a flexible travel schedule? Discover the best time to fly to England from Idaho with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Idaho to England

What is the cheapest month to book a flight from Idaho to England?

Currently, November is the cheapest month in which you can book a flight from Idaho to England (average of £528). Flying from Idaho to England in January is currently the most expensive (average of £1,528). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Idaho to England?

Airfare is below average for this route at the moment.
Idaho to England flights typically cost between £645 and £950 in February.
The cheapest return price found within the last 5 days was £572 on United Airlines (23 Feb–26 Feb).

Related info for your journey

  • How long is the flight from Idaho to England?

    United Airlines and Alaska Airlines can get you from Idaho to England in just under 17h 20m. Your travel time can differ by up to 16h 07m. The distance from Idaho to England is about 4829 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Idaho to England that include hotel bookings?

    Yes. In addition to deals on Idaho to England flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Idaho to England?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to England.

  • Can I find deals for business class flights from Idaho to England?

    Yes. Cheapflights offers flight deals from Idaho to England by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho to England?

    Currently, November is the cheapest month in which you can book a flight from Idaho to England (average of £528). Flying from Idaho to England in January is currently the most expensive (average of £1,528). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Idaho to England

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O'Hare Intl to Gatwick flights
Newark to Edinburgh flights
Reagan-National to Gatwick flights
O'Hare Intl to Stansted flights
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Why should you use Cheapflights to find cheap flight tickets from Idaho to England?

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