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Idaho Falls

$88+ Cheap flights from North America to Idaho Falls (IDA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IDA
août 5 — août 121
mar. 8/5
mar. 8/12
1 adult, Economy
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Cheap flight deals from North America to Idaho Falls

Keep the following information in mind while searching for North America to Idaho Falls flight deals. Data was last updated juillet 31, 2025.

Round-trip from

$84
(Cheapflightsfares)

Popular in

December

Cheapest in

November

Average price

$775

Good round-trip deal

$68 or less

Good one-way deal

$50 or less
From North America to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 5% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from North America to Idaho Falls Fanning Field.
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Price to beat on a one-way flight from North America to Idaho Falls Fanning Field.
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Find flight deals from North America to Idaho Falls

Cheapest flights from North America to Idaho Falls
Explore the most affordable flight options available from North America to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 31, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 8/103:20 pmDEN - IDA
Nonstop1h 44mAllegiant Air
jeu. 8/145:51 pmIDA - DEN
Nonstop1h 48mAllegiant Air
Deal found 7/30$88
This Mytrip deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/59:36 amLAX - IDA
1 stop5h 29mMultiple Airlines
lun. 9/89:39 pmIDA - LAX
1 stop14h 17mMultiple Airlines
Deal found 7/31$177
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/37:55 pmSEA - IDA
Nonstop1h 44mAlaska Airlines
mar. 9/166:13 amIDA - SEA
Nonstop1h 57mAlaska Airlines
Deal found 7/31$177
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/35:49 pmSEA - IDA
1 stop3h 38mDelta
mer. 9/176:51 pmIDA - SEA
1 stop4h 33mDelta
Deal found 7/31$197
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/169:05 pmDEN - IDA
Nonstop1h 46mUnited Airlines
mer. 8/204:15 pmIDA - DEN
Nonstop1h 48mUnited Airlines
Deal found 7/31$199
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/155:45 amDEN - IDA
1 stop4h 54mDelta
jeu. 8/216:52 pmIDA - DEN
1 stop3h 56mDelta
Deal found 7/30$214
This Hawaiian Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/177:55 pmSEA - IDA
Nonstop1h 43mHawaiian Airlines
lun. 10/204:15 pmIDA - SEA
Nonstop1h 57mHawaiian Airlines
Deal found 7/29$217
This Trip.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/56:00 amONT - IDA
1 stop9h 05mMultiple Airlines
lun. 9/89:39 pmIDA - ONT
1 stop25h 17mMultiple Airlines
Deal found 7/29$233
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/206:00 amLAX - IDA
1 stop3h 39mDelta
lun. 8/256:52 pmIDA - LAX
1 stop4h 43mDelta
Deal found 7/28$241
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/236:10 amPHX - IDA
1 stop3h 29mDelta
sam. 8/3011:20 amIDA - PHX
1 stop5h 55mDelta
Deal found 7/30$275
This Hawaiian Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 11/15:17 pmLAX - IDA
1 stop5h 42mHawaiian Airlines
sam. 11/83:50 pmIDA - LAX
1 stop7h 56mHawaiian Airlines
Deal found 7/29$278
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/232:00 pmLAX - IDA
1 stop7h 38mAlaska Airlines
dim. 10/263:50 pmIDA - LAX
1 stop6h 49mAlaska Airlines
Deal found 7/31$279

Cheapflights Fare Finder

 
Customize your flight search to find flights from North America to Idaho Falls 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 2,558,603 searches. Data last updated juillet 31, 2025.
Use the filters below to find and compare flights from North America to Idaho Falls that are best for you.

Fly from

North America

Fly to

Idaho Falls

Route

Depart

Return

Price

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

dim. 8/10

3:20 pm-5:04 pm

Nonstop1h 44m

Idaho Falls Fanning Field

jeu. 8/14

5:51 pm-7:39 pm

Nonstop1h 48m

$88

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

ven. 9/5

9:36 am-4:05 pm

1 stop5h 29m

Idaho Falls Fanning Field

lun. 9/8

9:39 pm-10:56 am

1 stop14h 17m

$177

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

mer. 9/3

7:55 pm-10:39 pm

Nonstop1h 44m

Idaho Falls Fanning Field

mer. 9/17

6:13 am-7:10 am

Nonstop1h 57m

$177

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

mer. 9/3

5:49 pm-10:27 pm

1 stop3h 38m

Idaho Falls Fanning Field

mer. 9/17

6:51 pm-10:24 pm

1 stop4h 33m

$197

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

sam. 8/16

9:05 pm-10:51 pm

Nonstop1h 46m

Idaho Falls Fanning Field

mer. 8/20

4:15 pm-6:03 pm

Nonstop1h 48m

$199

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

ven. 8/15

5:45 am-10:39 am

1 stop4h 54m

Idaho Falls Fanning Field

jeu. 8/21

6:52 pm-10:48 pm

1 stop3h 56m

$214

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

ven. 10/17

7:55 pm-10:38 pm

Nonstop1h 43m

Idaho Falls Fanning Field

lun. 10/20

4:15 pm-5:12 pm

Nonstop1h 57m

$217

OntarioIdaho Falls

ONT - IDA

ONTIDA

Ontario

ven. 9/5

6:00 am-4:05 pm

1 stop9h 05m

Idaho Falls Fanning Field

lun. 9/8

9:39 pm-9:56 pm

1 stop25h 17m

$233

Los AngelesIdaho Falls

LAX - IDA

LAXIDA

Los Angeles

mer. 8/20

6:00 am-10:39 am

1 stop3h 39m

Idaho Falls Fanning Field

lun. 8/25

6:52 pm-10:35 pm

1 stop4h 43m

$241

PhoenixIdaho Falls

PHX - IDA

PHXIDA

Phoenix Sky Harbor Intl

sam. 8/23

6:10 am-10:39 am

1 stop3h 29m

Idaho Falls Fanning Field

sam. 8/30

11:20 am-4:15 pm

1 stop5h 55m

$275

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 60 results
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Best time to book a flight from North America to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from North America with our price prediction graph.
Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from North America to Idaho Falls

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

Currently, October is the cheapest month in which you can book a flight from North America to Idaho Falls (average of $380). Flying from North America to Idaho Falls in December is currently the most expensive (average of $578). 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.

What is the cheapest time of day to fly from NA to IDA?

Find hourly flight availability from North America to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juillet 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from North America to Idaho Falls as you normally would.

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to 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 an airline for your flight to Idaho Falls. Reviews last updated juillet 31, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from North America to Idaho Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from North America to Idaho Falls. 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 into for flights to Idaho Falls from North America?

    Idaho Falls Fanning Field (IDA) is the airport you will fly into if you book a flight from North America to Idaho Falls. It is only a 3.8 mi journey from Fanning Field (IDA) to Idaho Falls’s city center.

  • What are the cheapest airlines to fly from North America to Idaho Falls one-way?

    One-way options have recently been found by users for as low as $90 on Allegiant Air. Other airlines that offer cheap prices include Hawaiian Airlines from $109 and Delta from $119 one-way.

  • What are the most popular routes from North America to Idaho Falls?

    Most travelers choose Seattle/Tacoma Intl - Idaho Falls Fanning Field, Dallas/Fort Worth - Idaho Falls Fanning Field or Albany Intl - Idaho Falls Fanning Field when deciding on the best route from North America to Idaho Falls.

  • Can I find deals for flights from North America to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on North America to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from North America to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from North America to Idaho Falls.

  • Can I find deals for business class flights from North America to Idaho Falls?

    Yes. Cheapflights offers flight deals from North America to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, October is the cheapest month in which you can book a flight from North America to Idaho Falls (average of $380). Flying from North America to Idaho Falls in December is currently the most expensive (average of $578). 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.

See more FAQs

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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Top 5 airlines flying from North America to Idaho Falls

Discover the top 5 airlines that operate flights from North America to Idaho Falls. 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 2,558,603 searches. Data last updated juillet 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$44Average$108FlexibilityNo cancel feeOn-time88%
DeltaCheapest$149Average$475FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$219Average$399FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$227Average$603FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$370Average$564FlexibilityNo cancel feeOn-time71%

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