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$429+ Cheap flights from Fort Smith (FSM) to Idaho

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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
FSM — BOI
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Fort Smith to Idaho

Keep the following information in mind while searching for Fort Smith to Idaho flight deals. Data was last updated September 16, 2025.

Round-trip from

$473
(American Airlines)
From Fort Smith to Idaho
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Find flight deals from Fort Smith to Idaho

Cheapest flights from Fort Smith to Idaho
Explore the most affordable flight options available from Fort Smith to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:24 pmFSM - GEG
1 stop6h 11mAmerican Airlines
Tue 9/236:00 amGEG - FSM
1 stop6h 50mAmerican Airlines
Deal found 9/15$429
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/306:00 amFSM - BOI
1 stop7h 48mAmerican Airlines
Sat 10/41:38 pmBOI - FSM
1 stop7h 40mAmerican Airlines
Deal found 9/14$473
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/46:00 amFSM - GEG
1 stop7h 45mAmerican Airlines
Tue 10/712:33 pmGEG - FSM
1 stop8h 13mAmerican Airlines
Deal found 9/14$474
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:00 amFSM - BOI
1 stop7h 34mAmerican Airlines
Mon 12/81:17 pmBOI - FSM
1 stop8h 11mAmerican Airlines
Deal found 9/14$493
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:04 amFSM - IDA
1 stop7h 21mAmerican Airlines
Sat 11/112:55 pmIDA - FSM
2 stops8h 51mAmerican Airlines
Deal found 9/13$506
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:00 amFSM - BOI
1 stop7h 34mAmerican Airlines
Sun 12/72:09 pmBOI - FSM
2 stops8h 41mAmerican Airlines
Deal found 9/14$540
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/110:13 amFSM - JAC
1 stop28h 16mAmerican Airlines
Tue 11/41:06 pmJAC - FSM
1 stop8h 24mAmerican Airlines
Deal found 9/13$851

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fort Smith to Idaho 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 September 16, 2025.
Use the filters below to find and compare flights from Fort Smith to Idaho that are best for you.

Fly from

Fort Smith

Fly to

Idaho

Route

Depart

Return

Price

Fort SmithBoise

FSM - BOI

FSMBOI

Fort Smith

Tue 9/30

6:00 am-12:48 pm

1 stop7h 48m

Boise Air Term. Gowen Fld

Sat 10/4

1:38 pm-10:18 pm

1 stop7h 40m

$473

Fort SmithSpokane

FSM - GEG

FSMGEG

Fort Smith

Sat 10/4

6:00 am-11:45 am

1 stop7h 45m

Spokane

Tue 10/7

12:33 pm-10:46 pm

1 stop8h 13m

$474

Fort SmithBoise

FSM - BOI

FSMBOI

Fort Smith

Thu 12/4

6:00 am-12:34 pm

1 stop7h 34m

Boise Air Term. Gowen Fld

Mon 12/8

1:17 pm-10:28 pm

1 stop8h 11m

$493

Fort SmithIdaho Falls

FSM - IDA

FSMIDA

Fort Smith

Tue 10/28

6:04 am-12:25 pm

1 stop7h 21m

Idaho Falls Fanning Field

Sat 11/1

12:55 pm-10:46 pm

2 stops8h 51m

$506

Fort SmithBoise

FSM - BOI

FSMBOI

Fort Smith

Tue 3/3

6:03 am-12:22 pm

1 stop7h 19m

Boise Air Term. Gowen Fld

Sat 3/7

2:17 pm-11:33 pm

2 stops8h 16m

$524

Fort SmithBoise

FSM - BOI

FSMBOI

Fort Smith

Thu 12/4

6:00 am-12:34 pm

1 stop7h 34m

Boise Air Term. Gowen Fld

Sun 12/7

2:09 pm-11:50 pm

2 stops8h 41m

$540

Fort SmithJackson

FSM - JAC

FSMJAC

Fort Smith

Sat 11/1

10:13 am-1:29 pm

1 stop28h 16m

Jackson Hole

Tue 11/4

1:06 pm-10:30 pm

1 stop8h 24m

$851

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Fort Smith to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Fort Smith 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 Fort Smith to Idaho

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

Currently, October is the cheapest month in which you can book a flight from Fort Smith to Idaho (average of $314). Flying from Fort Smith to Idaho in June is currently the most expensive (average of $398). 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.

Related info for your journey

Find useful and relevant information for your journey from Fort Smith to Idaho. 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 from for flights from Fort Smith to Idaho?

    For a flight from Fort Smith to Idaho, you will be flying from Fort Smith. Fort Smith (FSM) is just 3.8 mi from the center of the city.

  • How long is the flight from Fort Smith to Idaho?

    Airlines like American Airlines fly from Fort Smith to Idaho in about 7h 48m. The time it takes to get you to your destination can typically vary by up to . Fort Smith and Idaho are separated by a distance of 1291 mi.

  • What are the most popular routes from Fort Smith to Idaho?

    While some choose either Fort Smith - Boise Air Term. Gowen Fld or Fort Smith - Spokane, Fort Smith - Pocatello is the most popular route from Fort Smith to Idaho.

  • Can I find deals for flights from Fort Smith to Idaho that include hotel bookings?

    Yes. In addition to deals on Fort Smith to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Fort Smith to Idaho?

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

  • Can I find deals for business class flights from Fort Smith to Idaho?

    Yes. Cheapflights offers flight deals from Fort Smith to Idaho 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 Fort Smith to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Fort Smith to Idaho (average of $314). Flying from Fort Smith to Idaho in June is currently the most expensive (average of $398). 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

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