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Cheap flights from Idaho Falls (IDA) to Heathrow (LHR) from $633

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 9/17. 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
May 3 — May 101
From?
To?
Fri 5/3
Fri 5/10
1 adult, Economy
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Cheap flight deals from Idaho Falls to Heathrow

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 April 28, 2024.

Round-trip from

$643

One-way from

$633
From Idaho Falls Fanning Field to London Heathrow
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One-way flight from Idaho Falls Fanning Field to London Heathrow
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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 28%.

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 1% on flights from Idaho Falls to London Heathrow Airport by exploring options for tickets at noon.

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 2,944,896 searches. Data last updated April 28, 2024.
Check out some of the cheapest United Airlines 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.
Fri 8/232:25 pmIDA - LHR
1 stop14h 55mUnited Airlines
Wed 9/411:05 amLHR - IDA
1 stop17h 18mUnited Airlines
Deal found 4/27$882
Fri 8/237:05 amIDA - LHR
2 stops15h 50mUnited Airlines
Wed 9/411:05 amLHR - IDA
1 stop13h 09mUnited Airlines
Deal found 4/27$886
Fri 8/237:05 amIDA - LHR
2 stops15h 50mUnited Airlines
Wed 9/49:30 amLHR - IDA
2 stops18h 53mUnited Airlines
Deal found 4/27$891
Mon 5/277:10 amIDA - LHR
1 stop22h 10mUnited Airlines
Wed 6/59:00 amLHR - IDA
2 stops35h 21mUnited Airlines
Deal found 4/28$996
Mon 5/2710:45 amIDA - LHR
2 stops16h 55mUnited Airlines
Wed 6/510:50 amLHR - IDA
2 stops29h 50mUnited Airlines
Deal found 4/28$1,001
Mon 5/272:30 pmIDA - LHR
1 stop12h 10mUnited Airlines
Tue 6/411:05 amLHR - IDA
1 stop13h 10mUnited Airlines
Deal found 4/27$1,004

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 2,944,896 searches. Data last updated April 28, 2024.
Some of the lowest-priced Delta 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.
Tue 10/11:05 pmIDA - LHR
1 stop13h 55mDelta
Thu 10/316:20 amLHR - IDA
2 stops21h 41mDelta
Deal found 4/28$777
Tue 10/11:05 pmIDA - LHR
2 stops17h 10mDelta
Thu 10/316:20 amLHR - IDA
2 stops21h 41mDelta
Deal found 4/28$781
Tue 10/11:05 pmIDA - LHR
1 stop13h 55mDelta
Thu 10/3110:45 amLHR - IDA
1 stop13h 27mDelta
Deal found 4/27$783

Cheap Idaho Falls to Heathrow flights in April & May 2024

Find cheap flight options from Idaho Falls to Heathrow specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Prices were last updated on April 28, 2024.
The lowest fares we've come across on flights traveling from Idaho Falls to London in April and May 2024. Check back in a little while for more flight options.
Mon 5/272:30 pmIDA - LHR
1 stop12h 10mUnited Airlines
Tue 6/46:55 amLHR - IDA
2 stops41h 20mUnited Airlines
Deal found 4/27$996
Mon 5/277:10 amIDA - LHR
2 stops18h 20mUnited Airlines
Tue 6/49:00 amLHR - IDA
2 stops39h 15mUnited Airlines
Deal found 4/27$1,001
Mon 5/272:30 pmIDA - LHR
1 stop12h 10mUnited Airlines
Tue 6/411:05 amLHR - IDA
1 stop13h 10mUnited Airlines
Deal found 4/27$1,004

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 2,944,896 searches. Data last updated April 28, 2024.
The lowest fares we've come across on flights traveling from Idaho Falls to London in April and May 2024. Check back in a little while for more flight options.
Tue 10/11:05 pmIDA - LHR
1 stop13h 55mDelta
Thu 10/316:20 amLHR - IDA
2 stops21h 41mDelta
Deal found 4/28$777
Tue 10/11:05 pmIDA - LHR
1 stop13h 55mKLM
Thu 10/318:25 pmLHR - IDA
2 stops31h 36mKLM
Deal found 4/27$780
Tue 10/11:05 pmIDA - LHR
2 stops17h 10mDelta
Thu 10/316:20 amLHR - IDA
2 stops21h 41mDelta
Deal found 4/28$781
Tue 10/11:05 pmIDA - LHR
1 stop13h 55mDelta
Thu 10/3110:45 amLHR - IDA
1 stop13h 27mDelta
Deal found 4/27$783
Tue 10/11:05 pmIDA - LHR
1 stop13h 55mKLM
Thu 10/3110:45 amLHR - IDA
1 stop17h 16mKLM
Deal found 4/28$784
Wed 8/141:43 pmIDA - LHR
1 stop16h 02mAmerican Airlines
Wed 8/211:05 pmLHR - IDA
1 stop15h 00mAmerican Airlines
Deal found 4/26$838
Wed 8/141:43 pmIDA - LHR
1 stop13h 57mAmerican Airlines
Wed 8/219:25 amLHR - IDA
2 stops18h 40mAmerican Airlines
Deal found 4/26$843
Wed 8/141:43 pmIDA - LHR
2 stops15h 57mAmerican Airlines
Wed 8/219:25 amLHR - IDA
2 stops18h 40mAmerican Airlines
Deal found 4/26$847
Fri 8/232:25 pmIDA - LHR
1 stop14h 55mUnited Airlines
Wed 9/411:05 amLHR - IDA
1 stop17h 18mUnited Airlines
Deal found 4/27$882

One-way flights to Heathrow from Idaho Falls

Search for one-way flight options from Idaho Falls to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
Users in need of a one-way flight from Idaho Falls to London can choose from these deals. Users in need of a round-trip flight from Idaho Falls to London instead should update the search form at the top of page.
Tue 9/171:05 pmIDA - LHR
1 stop13h 55mKLM
Deal found 4/28$633
Tue 9/177:34 amIDA - LHR
2 stops21h 36mAmerican Airlines
Deal found 4/28$636

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 2,944,896 searches. Data last updated April 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$777 - $886

Route

Depart

Return

Price

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 10/1

1 stop13h 55m

London Heathrow

Thu 10/31

2 stops21h 41m

$777

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 10/1

1 stop13h 55m

London Heathrow

Thu 10/31

2 stops31h 36m

$780

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 10/1

2 stops17h 10m

London Heathrow

Thu 10/31

2 stops21h 41m

$781

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 10/1

1 stop13h 55m

London Heathrow

Thu 10/31

1 stop13h 27m

$783

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 10/1

1 stop13h 55m

London Heathrow

Thu 10/31

1 stop17h 16m

$784

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Wed 8/14

1 stop16h 02m

London Heathrow

Wed 8/21

1 stop15h 00m

$838

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Wed 8/14

1 stop13h 57m

London Heathrow

Wed 8/21

2 stops18h 40m

$843

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Fri 8/23

1 stop14h 55m

London Heathrow

Wed 9/4

1 stop17h 18m

$882

Idaho Falls Fanning FieldLondon Heathrow

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Fri 8/23

2 stops15h 50m

London Heathrow

Wed 9/4

1 stop13h 09m

$886

Flights are sorted by cheapest first

Deals found on 4/28

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 April 28, 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 Thursday 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.
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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 $635 while a round-trip flight costs $817. Price data was last updated on April 28, 2024.

Currently, November is the cheapest month in which you can book a flight from Idaho Falls to London Heathrow Airport (average of $653). Flying from Idaho Falls to London Heathrow Airport in June is currently the most expensive (average of $1,173). 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

$664

March

$715

April

$700

May

$748

June

$1,173

July

$987

August

$779

September

$748

October

$712

November

$653

December

$672

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 April 28, 2024.
To help decide which airline to fly from Idaho Falls to London, see what other customers have to say about United Airlines, Delta and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,932 reviews
Check prices

Crew

8.6

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,932 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Crew

8.6

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

KLM
7.9
Good
1,623 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Crew

8.6

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,221 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Crew

8.6

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,844 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Crew

8.6

Entertainment

8.0

Food

7.4

Boarding

8.2

Comfort

7.9

Overall

8.1

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

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. 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 flights from Idaho Falls to London Heathrow Airport for under $800 on Cheapflights?

    Yes, there are multiple flights from Idaho Falls to London Heathrow Airport for under $800. The cheapest flight booked recently is on Delta for just $777, but on average you can expect to pay $863.

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

    Delta, at $777, was found to be the cheapest airline from Idaho Falls to London Heathrow Airport.Alternate airlines to your destination round-trip include KLM and American Airlines.

  • 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.

  • Can I find deals for flights from Idaho Falls to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your Idaho Falls to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Idaho Falls to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Idaho Falls to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Idaho Falls to Heathrow that allow pets onboard?

    Many airlines flying from Idaho Falls to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Idaho Falls to Heathrow?

    Yes, you can often find last-minute deals on Idaho Falls to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Idaho Falls to London Heathrow Airport flight deals updated?

    The Idaho Falls to London Heathrow Airport flight deals you see on this page were last updated on 4/28.

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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.

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Top 2 airlines flying from Idaho Falls to Heathrow

Discover the top 2 airlines 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 2,944,896 searches. Data last updated April 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$675Average$773FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$713Average$886FlexibilityNo cancel feeOn-time69%
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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.
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Prem Econ Class
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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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