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£132+ 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 20/8. 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
23 Jul — 30 Jul1
1 adult

What to know about flights from Idaho Falls

Discover essential information about flights departing from Idaho Falls, including flight schedules, destinations, airlines operating at the Idaho Falls airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 18 July 2025.

Good one-way deal

£496 or less
Price to beat on a one-way flight from Idaho Falls Fanning Field.
Search Deals

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 18 July 2025.

Tue 9/915:00IDA - LHR
1 stop11h 50mKLM
Wed 17/911:00LHR - IDA
1 stop18h 25mKLM
Deal found 17/7£469
Tue 9/906:00IDA - LHR
2 stops22h 25mDelta
Tue 16/912:25LHR - IDA
2 stops17h 00mDelta
Deal found 17/7£473
Wed 10/913:35IDA - LHR
1 stop16h 10mAmerican Airlines
Wed 17/908:50LHR - IDA
2 stops19h 35mAmerican Airlines
Deal found 17/7£536
Wed 10/917:56IDA - LHR
1 stop11h 24mUnited Airlines
Tue 16/917:40LHR - IDA
2 stops26h 50mUnited Airlines
Deal found 17/7£547
Fri 31/1013:05IDA - LHR
2 stops20h 40mVirgin Atlantic
Sun 16/1112:10LHR - IDA
2 stops17h 10mVirgin Atlantic
Deal found 16/7£611
Wed 10/915:00IDA - LHR
1 stop11h 50mMultiple Airlines
Tue 16/910:55LHR - IDA
1 stop14h 16mMultiple Airlines
Deal found 17/7£723
Thu 11/906:13IDA - LHR
1 stop17h 37mAlaska Airlines
Wed 17/916:30LHR - IDA
1 stop13h 09mAlaska Airlines
Deal found 17/7£1,326

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 18 July 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

Tue 9/9

15:00-09:50

1 stop11h 50m

London Heathrow

Wed 17/9

11:00-22:25

1 stop18h 25m

£469

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 9/9

06:00-11:25

2 stops22h 25m

London Heathrow

Tue 16/9

12:25-22:25

2 stops17h 00m

£473

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Wed 10/9

13:35-12:45

1 stop16h 10m

London Heathrow

Wed 17/9

08:50-21:25

2 stops19h 35m

£536

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Wed 10/9

17:56-12:20

1 stop11h 24m

London Heathrow

Tue 16/9

17:40-13:30

2 stops26h 50m

£547

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Fri 31/10

13:05-15:45

2 stops20h 40m

London Heathrow

Sun 16/11

12:10-22:20

2 stops17h 10m

£611

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Wed 10/9

15:00-09:50

1 stop11h 50m

London Heathrow

Tue 16/9

10:55-18:11

1 stop14h 16m

£723

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Thu 11/9

06:13-06:50

1 stop17h 37m

London Heathrow

Wed 17/9

16:30-22:39

1 stop13h 09m

£1,326

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Mon 28/7

19:23-09:10

2 stops54h 47m

£308

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Tue 29/7

10:45-09:40

1 stop15h 55m

£415

Idaho FallsLondon

IDA - LHR

IDALHR

Idaho Falls Fanning Field

Mon 28/7

06:00-11:10

3 stops22h 10m

£527

Flights are sorted by cheapest return flights first.

Deals found on 18/7

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 £493). Flying from Idaho Falls in June will prove the most costly (average of £841). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from Idaho Falls?

If you’re flying from Idaho Falls, these routes are more frequently taken by airlines Salt Lake City (65 flights per day), Denver (45 flights per day) and Seattle (35 flights per day).

Denver Intl
Denver Intl
From £206

What is the cheapest place to fly to from Idaho Falls?

The cheapest city to fly to from Idaho Falls is Denver Intl, with prices starting at £153. Explore other affordable destinations below.

Denver Intl
Denver Intl
From £206

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.
Get a feel of what it's like to fly with Alaska Airlines, Delta, andKLM from Idaho Falls by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very Good
10,000 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very Good
7,958 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
KLM
7.8
Good
1,374 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,865 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Virgin Atlantic
7.4
Good
655 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Entertainment

7.1

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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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 18 July 2025.

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

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

  • What is the cheapest flight from Idaho Falls to anywhere?

    Users have flown out of Idaho Falls for as low as £153 to Denver (prices may vary depending on the airline and departure time). On average, users have booked flights for £599 to fly 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 June 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!

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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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