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Cheap flights from Fort Smith to Los Angeles from $352

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Fort Smith to Los Angeles departing on 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Fort Smith to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:06 am - 1:25 pmFSM  Fort Smith-ONT Ontario
5h 19m1 stop Dallas/Fort Worth
American Airlines Logo
2:22 pm - 11:55 pmONT  Ontario-FSM Fort Smith
7h 33m1 stop Dallas/Fort Worth
$485American Airlines
Sat, Oct 3 - Tue, Oct 13
American Airlines Logo
6:00 am - 9:29 amFSM  Fort Smith-ONT Ontario
5h 29m1 stop Dallas/Fort Worth
American Airlines Logo
9:41 am - 11:55 pmONT  Ontario-FSM Fort Smith
12h 14m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$526American Airlines
Sat, Oct 3 - Tue, Oct 13
American Airlines Logo
10:06 am - 6:17 pmFSM  Fort Smith-ONT Ontario
10h 11m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
9:41 am - 11:55 pmONT  Ontario-FSM Fort Smith
12h 14m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$567American Airlines
Sat, Oct 3 - Tue, Oct 13
American Airlines Logo
6:00 am - 9:29 amFSM  Fort Smith-ONT Ontario
5h 29m1 stop Dallas/Fort Worth
American Airlines Logo
2:22 pm - 10:35 pmONT  Ontario-FSM Fort Smith
6h 13m1 stop Dallas/Fort Worth
$585American Airlines
Sat, Sep 12 - Sat, Sep 19
American Airlines Logo
8:02 pm - 11:52 pmFSM  Fort Smith-ONT Ontario
5h 50m1 stop Dallas/Fort Worth
American Airlines Logo
2:22 pm - 11:51 pmONT  Ontario-FSM Fort Smith
7h 29m1 stop Dallas/Fort Worth
$641American Airlines
Mon, Nov 23 - Fri, Nov 27
American Airlines Logo
6:00 am - 9:51 amFSM  Fort Smith-ONT Ontario
5h 51m1 stop Dallas/Fort Worth
American Airlines Logo
11:59 pm - 9:35 amONT  Ontario-FSM Fort Smith
7h 36m1 stop Dallas/Fort Worth
$641American Airlines
Sun, Nov 22 - Fri, Nov 27
American Airlines Logo
6:00 am - 9:34 amFSM  Fort Smith-ONT Ontario
5h 34m1 stop Dallas/Fort Worth
American Airlines Logo
12:33 pm - 10:22 pmONT  Ontario-FSM Fort Smith
7h 49m1 stop Dallas/Fort Worth
$663American Airlines
Wed, Aug 26 - Sat, Aug 29
American Airlines Logo
10:11 am - 1:31 pmFSM  Fort Smith-ONT Ontario
5h 20m1 stop Dallas/Fort Worth
American Airlines Logo
12:33 pm - 10:22 pmONT  Ontario-FSM Fort Smith
7h 49m1 stop Dallas/Fort Worth
$663American Airlines
Tue, Aug 25 - Sat, Aug 29
American Airlines Logo
6:00 am - 9:34 amFSM  Fort Smith-ONT Ontario
5h 34m1 stop Dallas/Fort Worth
American Airlines Logo
2:44 pm - 11:57 pmONT  Ontario-FSM Fort Smith
7h 13m1 stop Dallas/Fort Worth
$693American Airlines
Wed, Aug 26 - Sun, Aug 30
American Airlines Logo
10:11 am - 1:31 pmFSM  Fort Smith-ONT Ontario
5h 20m1 stop Dallas/Fort Worth
American Airlines Logo
2:44 pm - 11:57 pmONT  Ontario-FSM Fort Smith
7h 13m1 stop Dallas/Fort Worth
$723American Airlines
Fri, Aug 28 - Sun, Aug 30

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American Airlines flights from Fort Smith to Ontario

Our best American Airlines deals on Fort Smith to Ontario flight tickets
American Airlines
Oct 3
FSM10:06 amFort Smith
5h 19m
1 stop
ONT1:25 pmOntario
Oct 13
ONT2:22 pmOntario
7h 33m
1 stop
FSM11:55 pmFort Smith
$485
American Airlines
Oct 3
FSM6:00 amFort Smith
5h 29m
1 stop
ONT9:29 amOntario
Oct 13
ONT9:41 amOntario
12h 14m
2 stops
FSM11:55 pmFort Smith
$526
American Airlines
Oct 3
FSM10:06 amFort Smith
10h 11m
2 stops
ONT6:17 pmOntario
Oct 13
ONT9:41 amOntario
12h 14m
2 stops
FSM11:55 pmFort Smith
$567

momondo Fare Finder

 
Customize your flight search to find flights from Fort Smith to Ontario 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, momondo users made 832,500 searches. Data last updated August 15, 2026.
Use the filters below to find and compare flights from Fort Smith to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Fort SmithOntario

FSM Fort Smith - ONT Ontario

FSMONT

Fort Smith

Sat 10/3

10:06 am-1:25 pm

1 stop5h 19m

Ontario

Tue 10/13

2:22 pm-11:55 pm

1 stop7h 33m

$485

Fort SmithOntario

FSM Fort Smith - ONT Ontario

FSMONT

Fort Smith

Sat 10/3

6:00 am-9:29 am

1 stop5h 29m

Ontario

Tue 10/13

9:41 am-11:55 pm

2 stops12h 14m

$526

Fort SmithOntario

FSM Fort Smith - ONT Ontario

FSMONT

Fort Smith

Sat 10/3

10:06 am-6:17 pm

2 stops10h 11m

Ontario

Tue 10/13

9:41 am-11:55 pm

2 stops12h 14m

$567
Quickest round-trip

Fort SmithOntario

FSM Fort Smith - ONT Ontario

FSMONT

Fort Smith

Sat 9/12

6:00 am-9:29 am

1 stop5h 29m

Ontario

Sat 9/19

2:22 pm-10:35 pm

1 stop6h 13m

$585

Fort SmithOntario

FSM Fort Smith - ONT Ontario

FSMONT

Fort Smith

Mon 11/23

8:02 pm-11:52 pm

1 stop5h 50m

Ontario

Fri 11/27

2:22 pm-11:51 pm

1 stop7h 29m

$641

Fort SmithOntario

FSM Fort Smith - ONT Ontario

FSMONT

Fort Smith

Sun 11/22

6:00 am-9:51 am

1 stop5h 51m

Ontario

Fri 11/27

11:59 pm-9:35 am

1 stop7h 36m

$641

Fort SmithOntario

FSM Fort Smith - ONT Ontario

FSMONT

Fort Smith

Wed 8/26

6:00 am-9:34 am

1 stop5h 34m

Ontario

Sat 8/29

12:33 pm-10:22 pm

1 stop7h 49m

$663

Fort SmithOntario

FSM Fort Smith - ONT Ontario

FSMONT

Fort Smith

Tue 8/25

10:11 am-1:31 pm

1 stop5h 20m

Ontario

Sat 8/29

12:33 pm-10:22 pm

1 stop7h 49m

$663

Fort SmithOntario

FSM Fort Smith - ONT Ontario

FSMONT

Fort Smith

Wed 8/26

6:00 am-9:34 am

1 stop5h 34m

Ontario

Sun 8/30

2:44 pm-11:57 pm

1 stop7h 13m

$693

Fort SmithOntario

FSM Fort Smith - ONT Ontario

FSMONT

Fort Smith

Fri 8/28

10:11 am-1:31 pm

1 stop5h 20m

Ontario

Sun 8/30

2:44 pm-11:57 pm

1 stop7h 13m

$723

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Fort Smith to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Fort Smith to Ontario?

American Airlines is the most popular carrier operating from Fort Smith to Ontario

What airlines fly to Ontario?

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Ontario from Fort Smith according to our data. American Airlines is the first choice among our users, with 74% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 4 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Fort Smith to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Fort Smith to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Fort Smith to Ontario (FSM to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Fort Smith to Ontario

Fastest flight time

5h 19m

Direct flights

None
The fastest flight from Fort Smith to Ontario takes 5h 19m
There are no direct flights from Fort Smith to Ontario. There are no popular flight routes from Fort Smith to Ontario.
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Frequently asked questions about flying from Fort Smith to Ontario

  • How far is Fort Smith to Ontario by plane?

    The distance between Fort Smith and Ontario is about 1319.7 mi. Flights usually cover this in 5h 19m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Fort Smith Airport to Ontario Airport?

    Prices for flights from Fort Smith Airport to Ontario Airport are updated daily.

  • How many operators does momondo search for flights from Fort Smith Airport to Ontario Airport?

  • How old do you have to be to fly from Fort Smith Airport to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Fort Smith Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Fort Smith to Ontario?

Best airlines flying from Fort Smith to Ontario

Compare and see reviews for airlines that fly from Fort Smith to Ontario with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $453Free CancellationRating
7.1
11,927 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Fort Smith to Ontario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Fort Smith.

Can I find flights from Fort Smith to Ontario with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ontario from Fort Smith with this policy.

How can momondo help me find flights from Fort Smith to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Fort Smith.

I’m not ready to book a flight from Fort Smith to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Fort Smith and alert you when they change.

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