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Cheap flights from Idaho to England from £249

BOI — LHR
30 Oct — 6 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 29/1214:43 -
1 stop11h 57m
Mon 11/111:10 -
2 stops41h 10m
Deal found 28/9£662
Tue 10/1107:00 -
1 stop20h 00m
Tue 17/1107:30 -
2 stops22h 12m
Deal found 29/9£680
Mon 9/1107:00 -
1 stop16h 50m
Mon 16/1119:05 -
2 stops25h 46m
Deal found 25/9£681
Tue 10/1112:00 -
2 stops16h 50m
Tue 17/1107:40 -
2 stops17h 23m
Deal found 28/9£682
Wed 11/1105:00 -
2 stops19h 10m
Wed 18/1106:35 -
2 stops21h 40m
Deal found 26/9£685
Tue 1/1206:15 -
2 stops18h 40m
Wed 9/1206:35 -
2 stops21h 55m
Deal found 27/9£685
Tue 29/1216:56 -
1 stop12h 24m
Mon 11/114:45 -
1 stop16h 01m
Deal found 28/9£702
Mon 9/1105:00 -
2 stops19h 10m
Mon 16/1116:40 -
2 stops37h 53m
Deal found 25/9£713
Thu 12/1107:00 -
2 stops26h 20m
Thu 19/1117:20 -
2 stops35h 00m
Deal found 28/9£1,053
Wed 4/1107:00 -
2 stops26h 20m
Sun 15/1117:20 -
2 stops32h 10m
Deal found 25/9£1,591
Sat 26/1207:30 -
2 stops25h 50m
Fri 1/117:20 -
2 stops29h 59m
Deal found 26/9£1,654

Find flight deals from Idaho to England

Round-trip from

£572

One-way from

£249

Popular in

January

Cheapest in

November

Average price

£723
United Airlines
  • United Airlines
  • 2/3-5/3
  • 4 total stops
  • 53h 08m total
  • Idaho to England
Search Deals
United Airlines
  • United Airlines
  • 2/2-31/12
  • 1 total stop
  • 16h 40m total
  • Idaho to England
Search Deals
Highest demand for flights based on searches. 32% potential increase in price (£308 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (£100 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 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

Fri 12/3

14:00-12:20

1 stop15h 20m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£286
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 - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Thu 5/11

14:49-19:30

3 stops45h 41m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£336

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Fri 1/1

05:36-07:45

2 stops19h 09m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£342

BoiseLondon

BOI Boise Air Term. Gowen Fld - STN London Stansted

BOISTN

Boise Air Term. Gowen Fld

Tue 2/2

19:00-08:15

3 stops30h 15m

London Stansted

Wed 31/12

00:00-16:00

Nonstop0h 00m

£348

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Fri 12/3

10:39-06:30

2 stops36h 51m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£383

BoiseLondon

BOI Boise Air Term. Gowen Fld - STN London Stansted

BOISTN

Boise Air Term. Gowen Fld

Fri 19/3

06:00-13:55

3 stops25h 55m

London Stansted

Wed 31/12

00:00-16:00

Nonstop0h 00m

£401

BoiseLondon

BOI Boise Air Term. Gowen Fld - LHR London Heathrow

BOILHR

Boise Air Term. Gowen Fld

Wed 23/12

18:56-10:50

3 stops32h 54m

London Heathrow

Wed 31/12

00:00-16:00

Nonstop0h 00m

£428

BoiseLondon

BOI Boise Air Term. Gowen Fld - STN London Stansted

BOISTN

Boise Air Term. Gowen Fld

Wed 23/12

19:20-08:05

3 stops53h 45m

London Stansted

Wed 31/12

00:00-16:00

Nonstop0h 00m

£452

BoiseLondon

BOI Boise Air Term. Gowen Fld - STN London Stansted

BOISTN

Boise Air Term. Gowen Fld

Fri 1/1

20:21-08:35

3 stops53h 14m

London Stansted

Wed 31/12

00:00-16:00

Nonstop0h 00m

£474

Flights are sorted by cheapest return flights first.

Deals found on 29/9

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 £1,527). 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 March.
The cheapest return price found within the last 5 days was £572 on United Airlines (2 Mar–5 Mar).

Related info for your journey

  • How long is the flight from Idaho to England?

    United Airlines, Virgin Atlantic, and Delta can get you from Idaho to England in just under 14h 57m. Your travel time can differ by up to 17h 11m. 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 £1,527). 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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