
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Fort Smith (FSM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 5, 2026.
Most accurate provider | eDreams 2 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $481 (American Airlines) |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Fort Smith
IAD Washington, D.C. Dulles Intl - FSM Fort Smith
IADFSM
Washington, D.C. Dulles Intl
Tue 12/1
8:07 pm-9:33 am
2 stops14h 26m
Fort Smith
Thu 12/10
5:20 pm-9:10 am
2 stops14h 50m
Washington, D.C.Fort Smith
IAD Washington, D.C. Dulles Intl - FSM Fort Smith
IADFSM
Washington, D.C. Dulles Intl
Thu 11/12
2:42 pm-7:31 pm
1 stop5h 49m
Fort Smith
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
Washington, D.C.Fort Smith
IAD Washington, D.C. Dulles Intl - FSM Fort Smith
IADFSM
Washington, D.C. Dulles Intl
Wed 11/18
4:39 pm-11:53 pm
1 stop8h 14m
Fort Smith
Sat 11/21
5:17 pm-11:22 pm
1 stop5h 05m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
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