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£145+ 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 23/4. 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
31 Mar — 7 Apr1
1 adult

Find flights from Idaho Falls

Cheapest flights from Idaho Falls
Explore the most affordable flight options available from Idaho Falls. Find the lowest fares based on data from user searches, with prices last updated on 26 March 2025.

Thu 8/513:02IDA - LHR
2 stops16h 38mAmerican Airlines
Thu 15/508:50LHR - IDA
2 stops19h 27mAmerican Airlines
Deal found 24/3£526
Thu 8/512:30IDA - LHR
2 stops18h 45mKLM
Thu 15/520:55LHR - IDA
2 stops32h 56mKLM
Deal found 25/3£584
Fri 25/416:15IDA - LHR
1 stop13h 05mUnited Airlines
Thu 1/510:50LHR - IDA
2 stops41h 14mUnited Airlines
Deal found 25/3£724
Sat 30/806:13IDA - LHR
2 stops21h 47mAlaska Airlines
Sun 31/815:40LHR - IDA
2 stops37h 59mAlaska Airlines
Deal found 25/3£2,051
Sat 7/614:25IDA - LHR
1 stop14h 55mMultiple Airlines
Wed 18/614:50LHR - IDA
1 stop13h 08mMultiple Airlines
Deal found 25/3£3,276

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 26 March 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Thu 8/5

13:02-12:40

2 stops16h 38m

London Heathrow

Thu 15/5

08:50-21:17

2 stops19h 27m

£526

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Thu 8/5

12:30-14:15

2 stops18h 45m

London Heathrow

Thu 15/5

20:55-22:51

2 stops32h 56m

£584

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Fri 25/4

16:15-12:20

1 stop13h 05m

London Heathrow

Thu 1/5

10:50-21:04

2 stops41h 14m

£724

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Sat 30/8

06:13-11:00

2 stops21h 47m

London Heathrow

Sun 31/8

15:40-22:39

2 stops37h 59m

£2,051

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Sat 7/6

14:25-12:20

1 stop14h 55m

London Heathrow

Wed 18/6

14:50-20:58

1 stop13h 08m

£3,276

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 1/4

13:00-14:15

2 stops18h 15m

£445

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 1/4

16:11-10:30

3 stops59h 19m

£2,663

Flights are sorted by cheapest return flights first.

Deals found on 24/3

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

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

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

Currently, October is the cheapest month in which you can book a flight from Idaho Falls (average of £511). Flying from Idaho Falls in July will prove the most costly (average of £960). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Idaho Falls

Get insights into the airlines that provide service from Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Idaho Falls. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Alaska Airlines
8.0
Very Good
9,792 reviews
Check prices

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very Good
9,792 reviews
Alaska Airlines
8.0
Very Good
9,792 reviews
Check prices

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
KLM
7.8
Good
1,319 reviews
Alaska Airlines
8.0
Very Good
9,792 reviews
Check prices

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,608 reviews
Alaska Airlines
8.0
Very Good
9,792 reviews
Check prices

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very Good
9,792 reviews
Check prices

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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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 26 March 2025.

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

    This month, the top selected destinations from Idaho Falls are Las Vegas, Phoenix Sky Harbor Intl Airport, Puerto Vallarta. Throughout the year, Las Vegas, Seattle, Denver are some of the top choices made by users flying from Idaho Falls.

  • What is the cheapest month to fly from Idaho Falls?

    At the present moment the cheapest month to fly from Idaho Falls is currently October; with July being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • 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!

See more FAQs

Fly with Cheapflights

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

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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