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

KLM, at $761, was found to be the cheapest airline from Idaho Falls to London Heathrow Airport.Alternate airlines to your destination round-trip include Delta and United Airlines. KLM is priced at 47% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest month to book a flight from Idaho Falls to London Heathrow Airport?

Currently, November is the cheapest month in which you can book a flight from Idaho Falls to London Heathrow Airport (average of $661). Flying from Idaho Falls to London Heathrow Airport in June is currently the most expensive (average of $1,135). 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 day to fly from Idaho Falls to London Heathrow Airport?

Travelers seeking maximum savings on their Idaho Falls to London Heathrow Airport flight should consider departing on Thursday afternoons 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.

What is the cheapest day to fly round-trip from Idaho Falls to London Heathrow Airport?

Wednesday is generally a great day to depart. Flying on this day could help you save up to 95%.

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 $1,183 per person but you can even find prices for as low as $658. The most expensive prices can be found in the month of December. Opting for a February flight can save you 65% on your journey compared to booking in December

Most accurate provider : When it comes to deals on Idaho Falls-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-London Heathrow Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Idaho Falls-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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. 2 airlines 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 deals for flights from Idaho Falls to Heathrow that include hotel bookings?

Yes. In addition to deals on Idaho Falls to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Idaho Falls to Heathrow?

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

Can I find deals for business class flights from Idaho Falls to Heathrow?

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

$760+ Flights from Idaho Falls to London Heathrow Airport

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Cheap flight deals from Idaho Falls to Heathrow

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$760 (Air France)
Popular in	November
Cheapest in	April
Average price	$1,646

Provider with most accurate pricing for Idaho Falls Fanning Field-London Heathrow flight deals.

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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-London Heathrow flights.

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From Idaho Falls Fanning Field to London Heathrow

Search Deals

High demand for flights, 42% potential price rise

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Best time to find cheap flights, 33% potential price drop

Search Deals

Average for round-trip flights in December 2024

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Find flight deals from Idaho Falls to Heathrow

Cheapest flights from Idaho Falls to Heathrow
Explore the most affordable flight options available from Idaho Falls to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

Sun 12/225:41 pmIDA - LHR

1 stop32h 59mUnited Airlines

Tue 12/313:00 pmLHR - IDA

2 stops49h 51mUnited Airlines

Deal found 12/17

$1,745

Sun 12/225:25 amIDA - LHR

1 stop24h 55mAmerican Airlines

Tue 12/312:30 pmLHR - IDA

1 stop14h 51mAmerican Airlines

Deal found 12/17

$3,366

Best flights from Idaho Falls to Heathrow
Discover carefully curated flight deals from Idaho Falls to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 19, 2024.

Tue 2/116:00 amIDA - LHR

1 stop21h 00mMultiple Airlines

Tue 2/188:25 pmLHR - IDA

2 stops28h 52mMultiple Airlines

Deal found 12/17

$760

Mon 2/101:10 pmIDA - LHR

1 stop13h 50mKLM

Tue 2/185:50 pmLHR - IDA

2 stops31h 27mKLM

Deal found 12/18

$761

Mon 2/106:00 amIDA - LHR

2 stops27h 40mDelta

Thu 2/206:20 amLHR - IDA

2 stops23h 24mDelta

Deal found 12/17

$769

Sat 3/224:15 pmIDA - LHR

2 stops33h 15mUnited Airlines

Sun 3/3012:15 pmLHR - IDA

2 stops28h 17mUnited Airlines

Deal found 12/18

$879

Sat 3/227:15 amIDA - LHR

1 stop24h 05mAmerican Airlines

Sun 3/308:50 amLHR - IDA

2 stops19h 19mAmerican Airlines

Deal found 12/18

$892

Tue 1/211:10 pmIDA - LHR

1 stop13h 50mVirgin Atlantic

Thu 1/306:20 amLHR - IDA

2 stops23h 24mVirgin Atlantic

Deal found 12/17

$3,658

Mon 2/104:04 pmIDA - LHR

1 stop31h 56mAlaska Airlines

Wed 2/193:00 pmLHR - IDA

1 stop14h 36mAlaska Airlines

Deal found 12/17

$3,686

Last-minute flights from Idaho Falls to Heathrow
Discover last-minute flight deals from Idaho Falls to Heathrow. Data last updated December 19, 2024 and is based on user searches.

Sun 12/225:25 amIDA - LHR

1 stop24h 55mAmerican Airlines

Tue 12/312:30 pmLHR - IDA

1 stop14h 51mAmerican Airlines

Deal found 12/17

$3,366

Mon 1/1310:50 amIDA - LHR

1 stop15h 50mUnited Airlines

Tue 1/283:00 pmLHR - IDA

2 stops33h 09mUnited Airlines

Deal found 12/18

$1,012

Mon 1/1312:55 pmIDA - LHR

1 stop13h 45mMultiple Airlines

Tue 1/282:30 pmLHR - IDA

1 stop14h 47mMultiple Airlines

Deal found 12/18

$1,024

Mon 1/201:10 pmIDA - LHR

1 stop13h 50mKLM

Wed 1/298:25 pmLHR - IDA

2 stops28h 52mKLM

Deal found 12/17

$3,654

Tue 1/211:10 pmIDA - LHR

1 stop13h 50mVirgin Atlantic

Thu 1/306:20 amLHR - IDA

2 stops23h 24mVirgin Atlantic

Deal found 12/17

$3,658

Wed 1/226:00 amIDA - LHR

2 stops18h 05mDelta

Fri 1/318:05 pmLHR - IDA

2 stops23h 25mDelta

Deal found 12/17

$3,922

Find flights from Idaho Falls to Heathrow within your budget

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 2/11

6:00 am-10:00 am

1 stop21h 00m

London Heathrow

Thu 2/20

8:25 pm-6:17 pm

2 stops28h 52m

$760

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Mon 2/10

1:10 pm-10:00 am

1 stop13h 50m

London Heathrow

Tue 2/18

5:50 pm-6:17 pm

2 stops31h 27m

$761

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Mon 2/10

6:00 am-4:40 pm

2 stops27h 40m

London Heathrow

Thu 2/20

6:20 am-10:44 pm

2 stops23h 24m

$769

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Sat 3/22

4:15 pm-7:30 am

2 stops33h 15m

London Heathrow

Sun 3/30

12:15 pm-9:32 am

2 stops28h 17m

$879

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Sat 3/22

7:15 am-1:20 pm

1 stop24h 05m

London Heathrow

Sun 3/30

8:50 am-9:09 pm

2 stops19h 19m

$892

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 1/21

1:10 pm-10:00 am

1 stop13h 50m

London Heathrow

Thu 1/30

6:20 am-10:44 pm

2 stops23h 24m

$3,658

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Mon 2/10

4:04 pm-7:00 am

1 stop31h 56m

London Heathrow

Tue 2/18

9:25 am-3:30 pm

1 stop13h 05m

$3,686

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Compare providers for flights from Idaho Falls to Heathrow

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Heathrow in December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Idaho Falls-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-London Heathrow Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Idaho Falls-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Idaho Falls to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Idaho Falls 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.

Travel insights for flights from Idaho Falls to Heathrow

Get recent, data-driven insights about flights from Idaho Falls to Heathrow including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from IDA to LHR?

Unlike in the morning, when flights are generally more expensive, you can save up to 34% on flights from Idaho Falls to London Heathrow Airport by exploring options for tickets at noon.

Rainfall in Heathrow by month

In terms of precipitation, rainfall in London Heathrow Airport 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 London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

If weather is an important factor for your trip to London Heathrow Airport, 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 Heathrow

Alaska Airlines

8.0

Very good

9,545 reviews

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Alaska Airlines

8.0

Very good

9,545 reviews

Alaska Airlines

8.0

Very good

9,545 reviews

Reviews

1 / 10

Delta

8.0

Very good

8,600 reviews

Alaska Airlines

8.0

Very good

9,545 reviews

Reviews

1 / 10

KLM

7.8

Good

1,349 reviews

Alaska Airlines

8.0

Very good

9,545 reviews

Reviews

1 / 10

Virgin Atlantic

7.5

Good

668 reviews

Alaska Airlines

8.0

Very good

9,545 reviews

Reviews

1 / 10

United Airlines

7.4

Good

9,048 reviews

Alaska Airlines

8.0

Very good

9,545 reviews

Reviews

1 / 10

Related info for your journey

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. 2 airlines 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.
What are the cheapest airlines flying from Idaho Falls to London Heathrow Airport round-trip?
KLM, at $761, was found to be the cheapest airline from Idaho Falls to London Heathrow Airport.Alternate airlines to your destination round-trip include Delta and United Airlines. KLM is priced at 47% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Idaho Falls to Heathrow that include hotel bookings?
Yes. In addition to deals on Idaho Falls to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Idaho Falls to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Heathrow.
Can I find deals for business class flights from Idaho Falls to Heathrow?
Yes. Cheapflights offers flight deals from Idaho Falls to Heathrow 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 Falls to London Heathrow Airport?
Currently, November is the cheapest month in which you can book a flight from Idaho Falls to London Heathrow Airport (average of $661). Flying from Idaho Falls to London Heathrow Airport in June is currently the most expensive (average of $1,135). 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

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Top 2 airlines flying from Idaho Falls to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$698	Average$1,166	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$701	Average$956	FlexibilityNo cancel fee	On-time69%

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$760+ Cheap flights from Idaho Falls (IDA) to Heathrow (LHR)

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Idaho Falls to Heathrow with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Idaho Falls to Heathrow

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Idaho Falls to Heathrow

Cheapest flights from Idaho Falls to HeathrowExplore the most affordable flight options available from Idaho Falls to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

Explore the most affordable flight options available from Idaho Falls to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.

Find flights from Idaho Falls to Heathrow within your budget

Compare providers for flights from Idaho Falls to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Heathrow in December.

Best time to book a flight from Idaho Falls to Heathrow

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

Travel insights for flights from Idaho Falls to Heathrow

Get recent, data-driven insights about flights from Idaho Falls to Heathrow including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from IDA to LHR?

Find hourly flight availability from Idaho Falls to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 19, 2024.

Rainfall in Heathrow by month

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

Temperature in Heathrow by month

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

Reviews of airlines servicing Heathrow

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?

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

Can I find deals for flights from Idaho Falls to Heathrow that include hotel bookings?

How can I find direct flights from Idaho Falls to Heathrow?

Can I find deals for business class flights from Idaho Falls to Heathrow?

What is the cheapest month to book a flight from Idaho Falls to London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho Falls to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Idaho Falls to Heathrow

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Book with Flexibility

Travel Smart

Cheapest flights from Idaho Falls to Heathrow
Explore the most affordable flight options available from Idaho Falls to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 19, 2024.