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Idaho Falls

$110+ Cheap flights from North America to Idaho Falls (IDA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IDA
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap 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 February 4, 2026.

This United Airlines deal was found by Cheapflights users on 2/2. 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.
Thu 2/268:00 am
DEN
-
IDA
Nonstop1h 48m
United Airlines
Mon 3/25:33 pm
IDA
-
DEN
Nonstop1h 52m
United Airlines
Deal found 2/2$189
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Thu 2/198:00 am
DEN
-
IDA
Nonstop1h 48m
United Airlines
Mon 2/235:33 pm
IDA
-
DEN
Nonstop1h 52m
United Airlines
Deal found 2/2$204
This Delta deal was found by Cheapflights users on 2/1. 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.
Tue 3/312:50 pm
DEN
-
IDA
1 stop4h 59m
Delta
Tue 3/106:55 pm
IDA
-
DEN
1 stop3h 35m
Delta
Deal found 2/1$209
This Delta deal was found by Cheapflights users on 2/4. 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.
Wed 3/186:00 am
ONT
-
IDA
1 stop5h 27m
Delta
Wed 4/16:55 pm
IDA
-
ONT
1 stop5h 56m
Delta
Deal found 2/4$217
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Fri 2/208:00 am
DEN
-
IDA
Nonstop1h 48m
United Airlines
Mon 2/235:33 pm
IDA
-
DEN
Nonstop1h 52m
United Airlines
Deal found 2/3$219
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/29:27 am
DEN
-
IDA
1 stop6h 03m
Multiple Airlines
Mon 3/910:30 pm
IDA
-
DEN
1 stop5h 26m
Multiple Airlines
Deal found 2/2$220
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 5/278:10 am
DEN
-
IDA
Nonstop1h 45m
United Airlines
Mon 6/12:31 pm
IDA
-
DEN
Nonstop1h 47m
United Airlines
Deal found 2/4$230
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Fri 6/58:10 am
DEN
-
IDA
Nonstop1h 45m
United Airlines
Tue 6/94:23 pm
IDA
-
DEN
Nonstop1h 51m
United Airlines
Deal found 2/2$249
This Delta deal was found by Cheapflights users on 2/4. 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.
Thu 3/51:10 pm
ONT
-
IDA
1 stop3h 39m
Delta
Sat 3/141:10 pm
IDA
-
ONT
1 stop4h 18m
Delta
Deal found 2/4$254
This Delta deal was found by Cheapflights users on 2/3. 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.
Tue 2/243:59 pm
DEN
-
IDA
1 stop6h 22m
Delta
Tue 3/35:25 am
IDA
-
DEN
1 stop3h 59m
Delta
Deal found 2/3$254
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:45 am
DFW
-
IDA
2 stops10h 45m
Multiple Airlines
Mon 3/910:30 pm
IDA
-
DFW
1 stop6h 17m
Multiple Airlines
Deal found 2/2$255
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2610:34 pm
DEN
-
IDA
1 stop16h 56m
Multiple Airlines
Mon 3/24:20 pm
IDA
-
DEN
2 stops15h 34m
Multiple Airlines
Deal found 2/3$257

Find 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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$189
(United Airlines)

One-way from

$110
(Kiwi.com)

Popular in

March

Cheapest in

November

Average price

$577

Good round-trip deal

$117 or less

Good one-way deal

$60 or less
Provider with most accurate pricing for New York (NYC)-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Idaho Falls Fanning Field flights.
Search Deals
From North America to Idaho Falls Fanning Field
Search Deals
One-way flight from North America to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from North America to Idaho Falls Fanning Field.
Search Deals
Price to beat on a one-way flight from North America to Idaho Falls Fanning Field.
Search Deals

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 February 4, 2026.
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

Thu 3/19

8:10 am-9:56 am

Nonstop1h 46m

Idaho Falls Fanning Field

Sun 3/22

2:35 pm-4:25 pm

Nonstop1h 50m

$189

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 4/9

8:10 am-9:53 am

Nonstop1h 43m

Idaho Falls Fanning Field

Sat 4/11

5:45 pm-7:35 pm

Nonstop1h 50m

$189

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 3/3

11:45 am-1:30 pm

Nonstop1h 45m

Idaho Falls Fanning Field

Tue 3/10

2:35 pm-4:25 pm

Nonstop1h 50m

$189

OntarioIdaho Falls

ONT - IDA

ONTIDA

Ontario

Wed 3/18

6:00 am-12:27 pm

1 stop5h 27m

Idaho Falls Fanning Field

Wed 4/1

6:55 pm-11:51 pm

1 stop5h 56m

$217

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Wed 5/27

8:10 am-9:55 am

Nonstop1h 45m

Idaho Falls Fanning Field

Mon 6/1

6:03 pm-7:56 pm

Nonstop1h 53m

$234

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Fri 6/5

8:10 am-9:55 am

Nonstop1h 45m

Idaho Falls Fanning Field

Tue 6/9

4:23 pm-6:14 pm

Nonstop1h 51m

$249

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 6/9

11:45 am-1:24 pm

Nonstop1h 39m

Idaho Falls Fanning Field

Tue 6/23

6:03 pm-7:56 pm

Nonstop1h 53m

$249

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Sat 6/6

11:45 am-1:24 pm

Nonstop1h 39m

Idaho Falls Fanning Field

Fri 6/26

2:31 pm-4:18 pm

Nonstop1h 47m

$249

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Thu 3/12

11:45 am-1:30 pm

Nonstop1h 45m

Idaho Falls Fanning Field

Mon 3/16

2:35 pm-4:25 pm

Nonstop1h 50m

$249

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

Tue 2/24

3:59 pm-10:21 pm

1 stop6h 22m

Idaho Falls Fanning Field

Tue 3/3

5:25 am-9:24 am

1 stop3h 59m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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, May is the cheapest month in which you can book a flight from North America to Idaho Falls (average of $37). Flying from North America to Idaho Falls in December is currently the most expensive (average of $152). 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 February 4, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 58% on flights from North America to Idaho Falls by exploring options for tickets in the afternoon.

What is the cheapest day to fly from North America to Idaho Falls?

Use this chart to determine the cheapest time to fly round-trip from North America to Idaho Falls. Price data was last updated on January 31, 2026.

Travelers seeking maximum savings on their North America to Idaho Falls flight should consider departing on Thursday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 February 4, 2026.
See what other customers who have flown with Alaska Airlines, Delta, and United 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
11,839 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,839 reviews
Alaska Airlines
8.0
Very good
11,839 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,146 reviews
Alaska Airlines
8.0
Very good
11,839 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,236 reviews
Alaska Airlines
8.0
Very good
11,839 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,222 reviews
Alaska Airlines
8.0
Very good
11,839 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Allegiant Air
7.2
Good
709 reviews
Alaska Airlines
8.0
Very good
11,839 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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.

  • How long is the flight from North America to Idaho Falls?

    For as low as $189, United Airlines can have you in Idaho Falls from North America in 1h 46m. North America and Idaho Falls are separated by a distance of 457 mi. This flight may include one or multiple stops.

  • 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 $36 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $98 and Alaska Airlines from $108 one-way.

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

    Most travelers choose Dallas/Fort Worth - Idaho Falls Fanning Field, Denver Intl - Idaho Falls Fanning Field or Atlanta Hartsfield-Jackson - 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, May is the cheapest month in which you can book a flight from North America to Idaho Falls (average of $37). Flying from North America to Idaho Falls in December is currently the most expensive (average of $152). 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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Alternative routes for North America to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
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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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$40Average$99FlexibilityNo cancel feeOn-time88%
DeltaCheapest$149Average$416FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$529FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$236Average$488FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$370Average$473FlexibilityNo cancel feeOn-time71%

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