Cheap flights from Idaho Falls to London Heathrow Airport from $720
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to London Heathrow Airport departing on 5/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights
United Airlines flights from Idaho Falls to London Heathrow Airport
Our best United Airlines deals on Idaho Falls to London Heathrow Airport flight tickets
Virgin Atlantic flights from Idaho Falls to London Heathrow Airport
Our best Virgin Atlantic deals on Idaho Falls to London Heathrow Airport flight tickets
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How to get the cheapest flight ticket from Idaho Falls to London Heathrow Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to London Heathrow Airport?
Our data shows that Thursday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $776. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $1,518.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Idaho Falls to London Heathrow Airport in the afternoon for as low as $767. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $1,153.
When to book flights from Idaho Falls to London Heathrow Airport
Cheap Idaho Falls to London Heathrow Airport (IDA to LHR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to London Heathrow Airport
How far is Idaho Falls Fanning Field to London Heathrow by plane?
The straight-line distance from Idaho Falls Fanning Field to London Heathrow is 4706.6 mi. Flights usually cover this in 11h 22m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to London Heathrow Airport?
Prices for flights from Idaho Falls Fanning Field Airport to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to London Heathrow Airport?
The number of operators available for flights from Idaho Falls Fanning Field Airport to London Heathrow Airport is 2 as of April 2025.
How old do you have to be to fly from Idaho Falls Fanning Field Airport to London Heathrow Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Idaho Falls Fanning Field Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Idaho Falls to London Heathrow Airport?
momondo data reveals that the most frequently booked airline on the route from Idaho Falls to London Heathrow Airport is United Airlines, representing 72% of all bookings. The subsequent popular airline is Delta at 28%.
Best airlines flying from Idaho Falls to London Heathrow Airport
Compare and see reviews for airlines that fly from Idaho Falls to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $720 | Free Cancellation | Rating 7.4 8,667 reviews | |||
| PriceFrom $815 | Free Cancellation | Rating 8.0 7,916 reviews |
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Why should I use momondo to find a flight deal from Idaho Falls to London?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho Falls to London for you.
Can I find flights from Idaho Falls to London with flexible booking policies on momondo?
Flights from Idaho Falls to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Idaho Falls to London?
momondo helps you find the best flight between Idaho Falls and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Idaho Falls to London right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Idaho Falls to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.