£70+ Cheap flights from Idaho Falls

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/6. 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
29 May — 5 Jun1
1 adult
1 adult, Economy, 0 bags

Find flights from Idaho Falls within your budget

 
Find flights departing from Idaho Falls that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 29 April 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Wed 13/5

17:26-12:35

1 stop12h 09m

London Heathrow

Wed 27/5

17:40-15:34

2 stops28h 54m

£811

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Wed 13/5

07:48-10:50

1 stop20h 02m

London Heathrow

Wed 27/5

11:10-22:15

2 stops18h 05m

£827

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Wed 13/5

06:30-07:15

2 stops17h 45m

London Heathrow

Mon 25/5

16:25-17:19

2 stops31h 54m

£846

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Wed 13/5

07:48-15:05

1 stop24h 17m

London Heathrow

Mon 25/5

12:55-22:15

1 stop16h 20m

£867
Fastest return journey

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Wed 13/5

16:03-13:00

1 stop13h 57m

London Heathrow

Mon 25/5

12:55-22:15

1 stop16h 20m

£868

Flights are sorted by cheapest return flights first.

Deals found on 27/4

Sorted by cheapest first

Best time to book a flight from Idaho Falls

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

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No data available for this route at this time. Please check back soon.

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Direct flights from Idaho

Book a direct flight from one of these other cities located in Idaho.
Direct flights from Boise

Related info for your journey

Access useful and relevant information related to your journey from Idaho Falls. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 29 April 2026.

  • What are the most popular destinations to fly to from Idaho Falls?

    This month, the top selected destinations from Idaho Falls are Las Vegas, Santa Ana, California, Denver. Throughout the year, Las Vegas, Denver, Seattle are some of the top choices made by users flying from Idaho Falls.

  • How does Cheapflights help users find flights from Idaho Falls?

    Cheapflights makes it easy to find flights from Idaho Falls 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?

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Idaho Falls for you. Better yet — we are completely free to use.

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

    Need flexible booking options for your flight from Idaho Falls ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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How does Cheapflights help users find flights from Idaho Falls?

Cheapflights makes it easy to find flights from Idaho Falls 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?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Idaho Falls for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight from Idaho Falls ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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