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$358+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LHR
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$731
(Delta)

One-way from

$358
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$983
Provider with most accurate pricing for Boise Air Term. Gowen Fld-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-London (LON) flights.
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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. 25% potential increase in price ($306 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 May 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 May 1, 2025.

This Delta deal was found by Cheapflights users on 4/29. 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.
Sun 9/281:43 pmBOI - EDI
1 stop15h 22mDelta
Wed 10/229:00 amEDI - BOI
2 stops21h 59mDelta
Deal found 4/29$675
This Delta deal was found by Cheapflights users on 4/29. 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 12/311:32 pmGEG - LHR
1 stop14h 43mDelta
Wed 1/146:20 amLHR - GEG
2 stops20h 26mDelta
Deal found 4/29$699
This Delta deal was found by Cheapflights users on 4/30. 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.
Mon 8/251:43 pmBOI - LHR
1 stop14h 27mDelta
Tue 9/306:15 amLHR - BOI
2 stops17h 14mDelta
Deal found 4/30$700
This StudentUniverse deal was found by Cheapflights users on 4/30. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/251:36 pmBOI - LHR
1 stop14h 14mFinnair
Tue 9/308:20 amLHR - BOI
1 stop19h 54mFinnair
Deal found 4/30$703
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/31:17 pmBOI - LHR
1 stop15h 58mAmerican Airlines
Tue 9/1610:30 amLHR - BOI
1 stop17h 44mAmerican Airlines
Deal found 4/30$708
This United Airlines deal was found by Cheapflights users on 4/30. 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 8/232:42 pmBOI - LHR
2 stops32h 48mUnited Airlines
Thu 9/49:30 amLHR - BOI
2 stops33h 01mUnited Airlines
Deal found 4/30$725
This Delta deal was found by Cheapflights users on 4/29. 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.
Mon 8/113:05 pmGEG - MAN
2 stops17h 50mDelta
Thu 8/215:55 amMAN - GEG
2 stops23h 06mDelta
Deal found 4/29$731
This United Airlines deal was found by Cheapflights users on 4/30. 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 12/315:00 amGEG - LHR
1 stop20h 40mUnited Airlines
Wed 1/143:00 pmLHR - GEG
2 stops27h 55mUnited Airlines
Deal found 4/30$732
This Delta deal was found by Cheapflights users on 4/29. 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.
Mon 8/48:22 amGEG - LGW
2 stops17h 38mDelta
Thu 8/1412:00 pmLGW - GEG
2 stops19h 03mDelta
Deal found 4/29$733
This Scandinavian Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 8/252:00 pmBOI - LHR
2 stops24h 40mScandinavian Airlines
Tue 9/307:50 pmLHR - BOI
3 stops29h 41mScandinavian Airlines
Deal found 4/30$739
This KLM deal was found by Cheapflights users on 4/30. 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 12/3110:10 amGEG - LHR
1 stop15h 50mKLM
Wed 1/1412:20 pmLHR - GEG
1 stop14h 26mKLM
Deal found 4/30$748
This Air Canada deal was found by Cheapflights users on 4/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2510:45 amBOI - LHR
3 stops18h 05mAir Canada
Tue 9/308:30 amLHR - BOI
3 stops20h 02mAir Canada
Deal found 4/30$766

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 May 1, 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

Mon 8/25

1:43 pm-11:10 am

1 stop14h 27m

London Heathrow

Tue 9/30

6:15 am-4:29 pm

2 stops17h 14m

$700

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 8/25

1:36 pm-10:50 am

1 stop14h 14m

London Heathrow

Tue 9/30

8:20 am-9:14 pm

1 stop19h 54m

$703

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Wed 9/3

1:17 pm-12:15 pm

1 stop15h 58m

London Heathrow

Tue 9/16

10:30 am-9:14 pm

1 stop17h 44m

$708

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Sat 8/23

2:42 pm-6:30 am

2 stops32h 48m

London Heathrow

Thu 9/4

9:30 am-11:31 am

2 stops33h 01m

$725

SpokaneManchester

GEG - MAN

GEGMAN

Spokane

Mon 8/11

3:05 pm-4:55 pm

2 stops17h 50m

Manchester

Thu 8/21

5:55 am-9:01 pm

2 stops23h 06m

$731

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 8/25

2:00 pm-9:40 pm

2 stops24h 40m

London Heathrow

Tue 9/30

7:50 pm-6:31 pm

3 stops29h 41m

$739

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Fri 9/12

6:30 am-10:00 am

1 stop19h 30m

London Heathrow

Fri 9/26

11:30 am-10:47 pm

2 stops19h 17m

$749

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 8/25

10:45 am-11:50 am

3 stops18h 05m

London Heathrow

Tue 9/30

8:30 am-9:32 pm

3 stops20h 02m

$766

SpokaneLondon

GEG - LHR

GEGLHR

Spokane

Wed 7/30

2:25 pm-12:50 pm

1 stop14h 25m

London Heathrow

Wed 8/13

12:00 pm-10:55 pm

1 stop18h 55m

$771

SpokaneEdinburgh

GEG - EDI

GEGEDI

Spokane

Thu 8/14

12:40 pm-12:05 pm

1 stop15h 25m

Edinburgh Turnhouse

Mon 8/25

10:00 am-9:56 pm

1 stop19h 56m

$775

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 60 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 $1,103). 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 May 1, 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.

Rainfall in England by month

Plan your trip to England by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in England ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit England when rainfall is around 1.6 in.

Temperature in England by month

Plan your trip to England by taking into account the average temperature totals by month.

If weather is an important factor for your trip to England, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 May 1, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Idaho to England by reading reviews from past customers. 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
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $443. Air Canada flights start at $470 while deals on United Airlines start at $490 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 $1,103). 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$555Average$774FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$648Average$865FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$687Average$1,206FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$695Average$902FlexibilityNo cancel feeOn-time72%
DeltaCheapest$727Average$1,113FlexibilityNo cancel feeOn-timeN/A

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