Cheap flights from Idaho Falls (IDA) to Heathrow (LHR) from $667

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IDA — LHR
Feb 28 — Mar 61

How to find the cheapest flight from Idaho Falls (IDA) to Heathrow (LHR)

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 23, 2024.

Round-trip from

$642
From Idaho Falls Fanning Field to London Heathrow

What is the cheapest month to fly from Idaho Falls to London Heathrow Airport?

February is one of the best times of the year to fly to London Heathrow Airport from Idaho Falls. Prices for February average $902 per person but you can even find prices for as low as $656. The most expensive prices can be found in the month of June. Opting for a February flight can save you 62% on your journey compared to booking in June

When is the cheapest time to fly from Idaho Falls to London Heathrow Airport (IDA - LHR)?

Unlike in the morning, when flights are generally more expensive, you can save up to 15% on flights from Idaho Falls to London Heathrow Airport by exploring options for tickets at noon.

Cheap Delta flights from Idaho Falls to Heathrow

Explore cheap flight options specifically provided by Delta for the route between Idaho Falls and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,442,422 searches. Data last updated February 23, 2024.
Check out some of the cheapest Delta flights we've come across from Idaho Falls to London. Be sure to come back soon if the deals available don't appeal to you at this time.
Wed 7/101:05 pmIDA - LHR
1 stop13h 55mDelta
Wed 7/1711:45 amLHR - IDA
2 stops17h 16mDelta
Deal found 2/22$1,197
Wed 7/101:05 pmIDA - LHR
1 stop13h 55mDelta
Thu 7/1810:50 amLHR - IDA
2 stops18h 11mDelta
Deal found 2/22$1,207
Sun 7/77:00 pmIDA - LHR
1 stop32h 00mDelta
Fri 7/196:25 pmLHR - IDA
2 stops24h 53mDelta
Deal found 2/22$1,212
Mon 7/81:05 pmIDA - LHR
1 stop13h 55mDelta
Tue 7/168:05 pmLHR - IDA
2 stops23h 13mDelta
Deal found 2/22$1,257
Sun 7/77:00 pmIDA - LHR
1 stop32h 00mDelta
Wed 7/1711:00 amLHR - IDA
1 stop18h 01mDelta
Deal found 2/22$1,258
Thu 7/117:00 pmIDA - LHR
2 stops15h 15mDelta
Thu 7/1810:50 amLHR - IDA
2 stops18h 11mDelta
Deal found 2/22$1,287
Thu 7/117:00 pmIDA - LHR
1 stop32h 00mDelta
Fri 7/196:25 pmLHR - IDA
2 stops24h 53mDelta
Deal found 2/22$1,288
Wed 7/101:05 pmIDA - LHR
1 stop13h 55mDelta
Sat 7/2010:55 amLHR - IDA
1 stop14h 21mDelta
Deal found 2/22$1,303
Sun 7/77:00 pmIDA - LHR
2 stops18h 10mDelta
Sat 7/2010:55 amLHR - IDA
1 stop14h 21mDelta
Deal found 2/22$1,307

Cheap United Airlines flights from Idaho Falls to Heathrow

Explore cheap flight options specifically provided by United Airlines for the route between Idaho Falls and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,442,422 searches. Data last updated February 23, 2024.
Some of the lowest-priced United Airlines flights we've found at this time heading from Idaho Falls to London. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Wed 2/282:34 pmIDA - LHR
1 stop12h 06mUnited Airlines
Sun 3/311:35 amLHR - IDA
1 stop16h 28mUnited Airlines
Deal found 2/21$869
Wed 2/282:34 pmIDA - LHR
1 stop12h 06mUnited Airlines
Sun 3/310:25 amLHR - IDA
2 stops17h 38mUnited Airlines
Deal found 2/21$874
Sat 3/236:55 amIDA - LHR
2 stops21h 55mUnited Airlines
Sat 3/3010:05 amLHR - IDA
2 stops33h 31mUnited Airlines
Deal found 2/21$887
Fri 7/122:35 pmIDA - LHR
1 stop12h 05mUnited Airlines
Thu 7/1811:05 amLHR - IDA
1 stop13h 12mUnited Airlines
Deal found 2/22$1,388
Thu 7/115:58 pmIDA - LHR
1 stop11h 22mUnited Airlines
Mon 7/1511:05 amLHR - IDA
1 stop33h 23mUnited Airlines
Deal found 2/22$1,497
Wed 7/105:58 pmIDA - LHR
1 stop32h 42mUnited Airlines
Mon 7/1511:05 amLHR - IDA
1 stop33h 23mUnited Airlines
Deal found 2/22$1,503
Thu 7/115:58 pmIDA - LHR
1 stop11h 22mUnited Airlines
Sun 7/1411:05 amLHR - IDA
1 stop13h 12mUnited Airlines
Deal found 2/22$1,613
Mon 7/85:58 pmIDA - LHR
1 stop11h 22mUnited Airlines
Mon 7/158:30 amLHR - IDA
2 stops15h 47mUnited Airlines
Deal found 2/22$2,501

Cheap Idaho Falls to Heathrow flights in February & March 2024

Find cheap flight options from Idaho Falls to Heathrow specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,442,422 searches. Prices were last updated on February 23, 2024.
The lowest fares we've come across on flights traveling from Idaho Falls to London in February and March 2024. Check back in a little while for more flight options.
Wed 2/282:34 pmIDA - LHR
1 stop12h 06mUnited Airlines
Sun 3/311:35 amLHR - IDA
1 stop16h 28mUnited Airlines
Deal found 2/21$869
Wed 2/282:34 pmIDA - LHR
1 stop12h 06mUnited Airlines
Sun 3/310:25 amLHR - IDA
2 stops17h 38mUnited Airlines
Deal found 2/21$874
Wed 2/281:30 pmIDA - LHR
2 stops17h 10mVirgin Atlantic
Sun 3/34:00 pmLHR - IDA
2 stops37h 05mVirgin Atlantic
Deal found 2/21$883
Sat 3/236:55 amIDA - LHR
2 stops21h 55mUnited Airlines
Sat 3/3010:05 amLHR - IDA
2 stops33h 31mUnited Airlines
Deal found 2/21$887
Sat 3/236:49 amIDA - LHR
1 stop19h 26mAmerican Airlines
Sat 3/3012:10 pmLHR - IDA
1 stop15h 17mAmerican Airlines
Deal found 2/21$891
Sat 3/236:49 amIDA - LHR
2 stops19h 16mAmerican Airlines
Sat 3/3012:10 pmLHR - IDA
1 stop15h 17mAmerican Airlines
Deal found 2/21$893

Idaho Falls to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Idaho Falls and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,442,422 searches. Data last updated February 23, 2024.
The lowest fares we've come across on flights traveling from Idaho Falls to London in February and March 2024. Check back in a little while for more flight options.
Sun 4/216:38 amIDA - LHR
1 stop21h 07mMultiple Airlines
Tue 4/302:45 pmLHR - IDA
1 stop27h 55mMultiple Airlines
Deal found 2/22$667
Sun 4/2112:10 pmIDA - LHR
1 stop15h 55mAmerican Airlines
Tue 4/303:15 pmLHR - IDA
2 stops27h 25mAmerican Airlines
Deal found 2/22$670
Sun 4/2112:10 pmIDA - LHR
2 stops17h 40mAmerican Airlines
Tue 4/303:15 pmLHR - IDA
2 stops27h 25mAmerican Airlines
Deal found 2/22$674
Tue 10/81:43 pmIDA - LHR
1 stop14h 07mAmerican Airlines
Tue 10/221:05 pmLHR - IDA
1 stop15h 00mAmerican Airlines
Deal found 2/22$836
Tue 10/81:43 pmIDA - LHR
2 stops14h 52mAmerican Airlines
Tue 10/221:05 pmLHR - IDA
1 stop15h 00mAmerican Airlines
Deal found 2/22$840
Tue 10/81:43 pmIDA - LHR
2 stops14h 52mAmerican Airlines
Tue 10/2210:05 amLHR - IDA
2 stops18h 00mAmerican Airlines
Deal found 2/22$845
Wed 2/282:34 pmIDA - LHR
1 stop12h 06mUnited Airlines
Sun 3/311:35 amLHR - IDA
1 stop16h 28mUnited Airlines
Deal found 2/21$869
Wed 2/282:34 pmIDA - LHR
1 stop12h 06mUnited Airlines
Sun 3/310:25 amLHR - IDA
2 stops17h 38mUnited Airlines
Deal found 2/21$874
Wed 2/281:30 pmIDA - LHR
2 stops17h 10mVirgin Atlantic
Sun 3/34:00 pmLHR - IDA
2 stops37h 05mVirgin Atlantic
Deal found 2/21$883

Idaho Falls to Heathrow flights leaving soon

Find last-minute flight options from Idaho Falls to Heathrow for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,442,422 searches. Data last updated February 23, 2024.
Have a look at some of the last-minute flights available departing from Idaho Falls to London. It's wise to confirm all flight details are correct before booking.
Wed 2/282:34 pmIDA - LHR
1 stop12h 06mUnited Airlines
Sun 3/311:35 amLHR - IDA
1 stop16h 28mUnited Airlines
Deal found 2/21$869
Wed 2/282:34 pmIDA - LHR
1 stop12h 06mUnited Airlines
Sun 3/310:25 amLHR - IDA
2 stops17h 38mUnited Airlines
Deal found 2/21$874
Wed 2/281:30 pmIDA - LHR
2 stops17h 10mVirgin Atlantic
Sun 3/34:00 pmLHR - IDA
2 stops37h 05mVirgin Atlantic
Deal found 2/21$883

Find flights from Idaho Falls to Heathrow within your budget

Customize your flight search to find flights from Idaho Falls to Heathrow 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 3,442,422 searches. Data last updated February 23, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$667 - $1,253

Route

Depart

Return

Price

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Sun 4/21

1 stop21h 07m

London Heathrow

Tue 4/30

1 stop27h 55m

$667

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Sun 4/21

1 stop15h 55m

London Heathrow

Tue 4/30

2 stops27h 25m

$670

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Sun 4/21

2 stops17h 40m

London Heathrow

Tue 4/30

2 stops27h 25m

$674

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Sat 3/23

2 stops21h 55m

London Heathrow

Sat 3/30

2 stops33h 31m

$887

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Sat 3/23

1 stop19h 26m

London Heathrow

Sat 3/30

1 stop15h 17m

$891

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Sat 3/23

2 stops19h 16m

London Heathrow

Sat 3/30

1 stop15h 17m

$893

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Wed 7/10

1 stop13h 55m

London Heathrow

Wed 7/17

2 stops17h 16m

$1,197

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Wed 7/10

1 stop13h 55m

London Heathrow

Thu 7/18

2 stops18h 11m

$1,207

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Mon 7/8

1 stop20h 06m

London Heathrow

Wed 7/17

1 stop15h 00m

$1,253

Flights are sorted by cheapest first

Deals found on 2/22

When is the cheapest time to fly from Idaho Falls to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Idaho Falls to Heathrow. Price data was last updated on February 18, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Idaho Falls to London Heathrow Airport flight should consider departing on Friday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Heathrow by month

Plan your trip from Idaho Falls to Heathrow by taking into account the cheapest months to travel. The average price of a one-way flight from Idaho Falls to Heathrow is currently $0 while a round-trip flight costs $927. Price data was last updated on February 18, 2024.

Currently, November is the cheapest month in which you can book a flight from Idaho Falls to London Heathrow Airport (average of $652). Flying from Idaho Falls to London Heathrow Airport in June is currently the most expensive (average of $1,187). 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.

January

$675

February

$665

March

$710

April

$737

May

$769

June

$1,187

July

$1,017

August

$801

September

$751

October

$717

November

$652

December

$676

Temperature and rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature and rainfall totals by month.

LON

Temperature

39.2 - 62.6 °F

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated February 23, 2024.
To help decide which airline to fly from Idaho Falls to London, see what other customers have to say about Delta, United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
11,897 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Entertainment

8.1

Food

7.5

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

8.1
Very good
11,897 reviews
8.1
Very good
11,897 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Entertainment

8.1

Food

7.5

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

7.4
Good
11,872 reviews
8.1
Very good
11,897 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Entertainment

8.1

Food

7.5

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

7.3
Good
15,628 reviews
8.1
Very good
11,897 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Entertainment

8.1

Food

7.5

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

Related info for your journey

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

What airport do you fly from for flights from Idaho Falls to London Heathrow?

Idaho Falls Fanning Field (IDA), located 3.8 mi from the city center, is the airport you fly out of when you book flights from Idaho Falls to London Heathrow. 1 airline have flights from Fanning Field to London Heathrow on a regular basis. Booking flights from Idaho Falls Fanning Field to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

Can I find flights from Idaho Falls to London Heathrow Airport for under $700 on Cheapflights?

Yes, there are multiple flights from Idaho Falls to London Heathrow Airport for under $700. The cheapest flight booked recently is on Multiple Airlines for just $667, but on average you can expect to pay $1,121.

Are there last-minute flights available from Idaho Falls to London Heathrow Airport for under $900?

There are currently 3+ open flights from Idaho Falls to London Heathrow Airport within the next 7 days for less than $900.

What are the cheapest airlines flying from Idaho Falls to London Heathrow Airport round-trip?

American Airlines, at $670, was found to be the cheapest airline from Idaho Falls to London Heathrow Airport.Alternate airlines to your destination round-trip include United Airlines and Delta.

What does IDA to LHR mean?

This is defined as Idaho Falls Fanning Field Airport (IDA) and London Heathrow Airport (LHR). Codes like London Heathrow Airport are often used to just call airports uniquely.

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Idaho Falls to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Idaho Falls to Heathrow

Discover the top airline that operate flights from Idaho Falls to Heathrow. 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 3,442,422 searches. Data last updated February 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$675Average$773FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Search flights from Idaho Falls to Heathrow by cabin class

Find flights from Idaho Falls to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Idaho Falls to Heathrow?

Cheapflights makes it easy to find Idaho Falls to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Idaho Falls to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Idaho Falls.

Can Cheapflights find flights from Idaho Falls to Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Idaho Falls to Heathrow, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Idaho Falls to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Idaho Falls to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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