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Cheap flights from Harlingen, Texas to Fort Smith from $399

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Harlingen, Texas to Fort Smith departing on 4/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Harlingen, Texas to Fort Smith

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:50 am - 9:20 amHRL-FSM
3h 30m1 stop
American Airlines Logo
6:41 pm - 12:04 amFSM-HRL
5h 23m1 stop
$399American Airlines
Find Deal
Wed, Apr 1 - Sat, Apr 4

American Airlines flights from Harlingen, Texas to Fort Smith

Our best American Airlines deals on Harlingen, Texas to Fort Smith flight tickets
American Airlines
Apr 1
HRL5:50 amHarlingen Valley Intl
3h 30m
1 stop
FSM9:20 amFort Smith
Apr 4
FSM6:41 pmFort Smith
5h 23m
1 stop
HRL12:04 amHarlingen Valley Intl
$399
Find similar
American Airlines
Oct 17
HRL5:23 amHarlingen Valley Intl
4h 25m
1 stop
FSM9:48 amFort Smith
Oct 19
FSM6:16 pmFort Smith
5h 46m
1 stop
HRL12:02 amHarlingen Valley Intl
$449
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Harlingen, Texas to Fort Smith 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 October 14, 2025.
Use the filters below to find and compare flights from Harlingen, Texas to Fort Smith that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HarlingenFort Smith

HRL - FSM

HRLFSM

Harlingen Valley Intl

Wed 4/1

5:50 am-9:20 am

1 stop3h 30m

Fort Smith

Sat 4/4

6:41 pm-12:04 am

1 stop5h 23m

$399

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Harlingen, Texas to Fort Smith

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

Cheap Harlingen, Texas to Fort Smith (HRL to FSM) flight deals and tips

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

Direct flights

None
There are no direct flights from Harlingen, Texas to Fort Smith. There are no popular flight routes from Harlingen, Texas to Fort Smith.
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  • How far is Harlingen Valley Intl to Fort Smith by plane?

    The distance between Harlingen Valley Intl and Fort Smith is about 664.2 mi. Typically, this will take 3h 30m by plane in normal conditions.

  • When did momondo last update prices for flights from Harlingen Valley Intl Airport to Fort Smith Airport?

    Prices for flights from Harlingen Valley Intl Airport to Fort Smith Airport are updated daily.

  • How old do you have to be to fly from Harlingen Valley Intl Airport to Fort Smith Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Harlingen Valley Intl Airport to Fort Smith Airport.

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

    The required travel and health documents for your Fort Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Fort Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Harlingen, Texas to Fort Smith?

    Search flight deals from Harlingen, Texas to Fort Smith. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Harlingen, Texas to Fort Smith with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Fort Smith?

Book flights to Fort Smith if you plan to visit one of these locations
Van Buren

Why use momondo?

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

Finding the right flight to Fort Smith from Harlingen is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Fort Smith quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Fort Smith from Harlingen which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Harlingen to Fort Smith flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Harlingen to Fort Smith flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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