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$336+ Cheap flights from Idaho to England

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LHR
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Idaho to England

Keep the following information in mind while searching for Idaho to England flight deals. Data was last updated September 15, 2025.

Round-trip from

$584
(Ticket)

One-way from

$336
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$796
From Idaho to England
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One-way flight from Idaho to England
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Highest demand for flights based on searches. 23% potential increase in price ($278 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Idaho to England

Cheapest flights from Idaho to England
Explore the most affordable flight options available from Idaho to England. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Ticket deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/291:25 pmBOI - LHR
1 stop17h 05mVirgin Atlantic
Tue 10/141:25 pmLHR - BOI
1 stop13h 51mVirgin Atlantic
Deal found 9/13$584
This Ticket deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2912:35 pmBOI - LHR
2 stops34h 55mAir Canada
Tue 10/148:30 amLHR - BOI
2 stops32h 23mAir Canada
Deal found 9/13$591
This Netflights deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:39 pmBOI - LHR
1 stop13h 21mVirgin Atlantic
Wed 11/511:20 amLHR - BOI
1 stop18h 32mVirgin Atlantic
Deal found 9/13$597
This Scandinavian Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:54 pmBOI - LHR
2 stops22h 46mScandinavian Airlines
Fri 12/56:40 amLHR - BOI
2 stops22h 56mScandinavian Airlines
Deal found 9/14$604
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/235:00 amBOI - LHR
1 stop21h 40mUnited Airlines
Wed 10/19:30 amLHR - BOI
2 stops33h 09mUnited Airlines
Deal found 9/14$608
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/282:31 pmBOI - LHR
1 stop13h 09mUnited Airlines
Tue 11/41:00 pmLHR - BOI
2 stops29h 39mUnited Airlines
Deal found 9/13$615
This KLM deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:39 pmBOI - LHR
1 stop13h 21mKLM
Wed 11/56:30 amLHR - BOI
2 stops16h 36mKLM
Deal found 9/13$616
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/155:17 pmBOI - LHR
1 stop33h 23mUnited Airlines
Fri 12/56:00 pmLHR - BOI
2 stops34h 16mUnited Airlines
Deal found 9/13$620
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/292:31 pmBOI - LHR
2 stops14h 44mUnited Airlines
Wed 11/511:10 amLHR - BOI
2 stops18h 35mUnited Airlines
Deal found 9/13$621
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/239:00 amBOI - LHR
1 stop19h 20mDelta
Wed 10/16:15 amLHR - BOI
2 stops17h 26mDelta
Deal found 9/12$623
This KLM deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/281:15 pmGEG - LHR
1 stop14h 15mMultiple Airlines
Thu 11/66:20 amLHR - GEG
2 stops16h 37mMultiple Airlines
Deal found 9/14$623
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/59:45 amGEG - LHR
2 stops15h 00mDelta
Wed 11/196:20 amLHR - GEG
2 stops17h 28mDelta
Deal found 9/15$627

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to England that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Idaho to England that are best for you.

Fly from

Idaho

Fly to

England

Route

Depart

Return

Price

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 10/28

4:00 pm-9:40 pm

2 stops23h 40m

London Heathrow

Tue 11/4

10:20 am-10:52 pm

2 stops19h 32m

$604

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 11/12

3:54 pm-6:30 pm

2 stops19h 36m

London Heathrow

Tue 11/18

6:40 am-10:54 pm

2 stops23h 14m

$604

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Thu 11/13

3:54 pm-9:40 pm

2 stops22h 46m

London Heathrow

Fri 12/5

6:40 am-10:36 pm

2 stops22h 56m

$604

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 11/12

8:25 am-9:40 am

1 stop18h 15m

London Heathrow

Tue 11/18

1:25 pm-11:39 am

2 stops29h 14m

$608

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 10/28

2:31 pm-9:40 am

1 stop13h 09m

London Heathrow

Tue 11/4

1:00 pm-11:39 am

2 stops29h 39m

$615

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 10/29

1:39 pm-9:00 am

1 stop13h 21m

London Heathrow

Wed 11/5

6:30 am-4:06 pm

2 stops16h 36m

$616

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 9/29

1:25 pm-1:30 pm

1 stop17h 05m

London Heathrow

Tue 10/14

8:40 am-8:16 pm

2 stops18h 36m

$617

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Wed 11/12

2:45 pm-4:50 pm

1 stop18h 05m

London Heathrow

Wed 12/3

6:20 am-6:56 pm

2 stops20h 36m

$623

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Tue 11/4

5:45 am-7:05 am

1 stop17h 20m

London Heathrow

Tue 11/11

6:20 am-2:54 pm

2 stops16h 34m

$623

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Wed 10/22

11:20 am-2:15 pm

1 stop18h 55m

London Heathrow

Fri 10/31

6:20 am-10:34 pm

2 stops23h 14m

$623

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 55 results
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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 round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 $661). Flying from Idaho to England in June is currently the most expensive (average of $1,097). 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.

What is the cheapest time of day to fly from ID to ENG?

Find hourly flight availability from Idaho to England. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Idaho to England, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing England

Get insights into the airlines that provide service to England. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to England. Reviews last updated September 15, 2025.
See what other customers who have flown with Delta, KLM, and United Airlines from Idaho to England have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,385 reviews
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,931 reviews
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
664 reviews
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Idaho to England. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Idaho to England?

    Departing from Idaho to England will take you 18h 05m. There are 4643 mi between Idaho and England. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Idaho to England one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $449. United Airlines flights start at $459 while deals on Air Canada start at $459 one-way.

  • 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 vacation 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 $661). Flying from Idaho to England in June is currently the most expensive (average of $1,097). 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

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Alternative routes for Idaho to England

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Idaho to England

Discover the top 5 airlines that operate flights from Idaho to England. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$577Average$774FlexibilityNo cancel feeOn-time75%
DeltaCheapest$691Average$1,102FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$695Average$977FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$697Average$977FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$703Average$865FlexibilityNo cancel feeOn-time71%

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