Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Fort Smith from $571

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Fort Smith departing on 5/12. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Fort Smith

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:26 pm - 11:39 pm
IAD
-
FSM
7h 13m1 stop
American Airlines Logo
10:21 am - 4:07 pm
FSM
-
IAD
4h 46m1 stop
$571American Airlines
Tue, May 12 - Sat, May 16
American Airlines Logo
5:26 pm - 11:39 pm
IAD
-
FSM
7h 13m1 stop
American Airlines Logo
6:07 am - 4:08 pm
FSM
-
IAD
9h 01m2 stops
$600American Airlines
Tue, May 12 - Sat, May 16
American Airlines Logo
5:05 am - 11:39 pm
IAD
-
FSM
19h 34m2 stops
American Airlines Logo
6:07 am - 11:55 pm
FSM
-
IAD
16h 48m2 stops
$620American Airlines
Tue, May 12 - Sat, May 16
American Airlines Logo
1:57 pm - 10:27 pm
IAD
-
FSM
9h 30m2 stops
American Airlines Logo
10:34 am - 4:31 pm
FSM
-
IAD
4h 57m1 stop
$679American Airlines
Fri, Jan 2 - Tue, Jan 6

American Airlines flights from Washington, D.C. Dulles Intl Airport to Fort Smith

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Fort Smith flight tickets
American Airlines
May 12
IAD5:26 pmWashington, D.C. Dulles Intl
7h 13m
1 stop
FSM11:39 pmFort Smith
May 16
FSM10:21 amFort Smith
4h 46m
1 stop
IAD4:07 pmWashington, D.C. Dulles Intl
$571
Find similar
American Airlines
May 12
IAD5:26 pmWashington, D.C. Dulles Intl
7h 13m
1 stop
FSM11:39 pmFort Smith
May 16
FSM6:07 amFort Smith
9h 01m
2 stops
IAD4:08 pmWashington, D.C. Dulles Intl
$600
Find similar
American Airlines
May 12
IAD5:05 amWashington, D.C. Dulles Intl
19h 34m
2 stops
FSM11:39 pmFort Smith
May 16
FSM6:07 amFort Smith
16h 48m
2 stops
IAD11:55 pmWashington, D.C. Dulles Intl
$620
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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 December 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Fort Smith that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Fort Smith

IAD - FSM

IADFSM

Washington, D.C. Dulles Intl

Tue 5/12

5:26 pm-11:39 pm

1 stop7h 13m

Fort Smith

Sat 5/16

10:21 am-4:07 pm

1 stop4h 46m

$571

Washington, D.C.Fort Smith

IAD - FSM

IADFSM

Washington, D.C. Dulles Intl

Tue 5/12

5:26 pm-11:39 pm

1 stop7h 13m

Fort Smith

Sat 5/16

6:07 am-4:08 pm

2 stops9h 01m

$600

Washington, D.C.Fort Smith

IAD - FSM

IADFSM

Washington, D.C. Dulles Intl

Tue 5/12

5:05 am-11:39 pm

2 stops19h 34m

Fort Smith

Sat 5/16

6:07 am-11:55 pm

2 stops16h 48m

$620

Washington, D.C.Fort Smith

IAD - FSM

IADFSM

Washington, D.C. Dulles Intl

Fri 1/2

1:57 pm-10:27 pm

2 stops9h 30m

Fort Smith

Tue 1/6

10:34 am-4:31 pm

1 stop4h 57m

$679

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Fort Smith from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Fort Smith

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 day to depart on your flight to Fort Smith?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Fort Smith is on a Tuesday. Travelers who choose to depart for Fort Smith on a Tuesday will often find tickets for as low as $439. The most expensive day to fly to Fort Smith is Saturday, with ticket prices averaging around $792.

What is the cheapest time of day to depart on your flight to Fort Smith?

At noon is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Fort Smith when you can find flight prices for as low as $430. Flying to Fort Smith at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Fort Smith is in the afternoon when prices are around $641.

When to book flights from Washington, D.C. Dulles Intl Airport to Fort Smith

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

Cheap Washington, D.C. Dulles Intl Airport to Fort Smith (IAD to FSM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Fort Smith

Fastest flight time

6h 20m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Fort Smith takes 6h 20m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Fort Smith. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Fort Smith.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Fort Smith by plane?

    The straight-line distance from Washington, D.C. Dulles Intl to Fort Smith is 962.9 mi. Flights usually cover this in 6h 20m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Fort Smith Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Fort Smith Airport refresh daily.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Fort Smith Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles 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.

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 Washington, D.C. to Fort Smith?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Fort Smith for you.

Can I find flights from Washington, D.C. to Fort Smith with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Fort Smith from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Fort Smith?

Once you have performed a search for Washington, D.C. 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 Washington, D.C. to Fort Smith right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Fort Smith flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Fort Smith trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 1/17
Sat 1/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States