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Cheap flights from St Louis (STL) to Washington (DCA)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from St Louis (STL) to Washington (DCA)

How to find the cheapest flight from St Louis (STL) to Washington (DCA)
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How to find the cheapest flight from St Louis (STL) to Washington (DCA)
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How to find the cheapest flight from St Louis (STL) to Washington (DCA)
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Cheap flights from St Louis to Washington in October , November 2026

28 Oct - 07 Nov $ 252.00
STL
St Louis
Frontier Airlines
1 STOPS
DCA
Washington
DCA
Washington
Frontier Airlines
1 STOPS
STL
St Louis
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31 Oct - 07 Nov $ 254.00
STL
St Louis
Frontier Airlines
1 STOPS
DCA
Washington
DCA
Washington
Frontier Airlines
1 STOPS
STL
St Louis
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27 Oct - 07 Nov $ 7,384.00
STL
St Louis
Frontier Airlines
1 STOPS
DCA
Washington
DCA
Washington
Frontier Airlines
1 STOPS
STL
St Louis
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Last minute flights from St Louis to Washington

28 Oct - 31 Oct $ 272.00
STL
St Louis
Frontier Airlines
1 STOPS
DCA
Washington
DCA
Washington
Frontier Airlines
1 STOPS
STL
St Louis
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28 Oct - 31 Oct $ 273.00
STL
St Louis
Frontier Airlines
1 STOPS
DCA
Washington
DCA
Washington
Frontier Airlines
1 STOPS
STL
St Louis
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27 Oct - 31 Oct $ 7,417.00
STL
St Louis
Frontier Airlines
1 STOPS
DCA
Washington
DCA
Washington
Frontier Airlines
1 STOPS
STL
St Louis
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One-way flights to Washington from St Louis

4:18 PM - 6:45 AM
Frontier Airlines
1 Stops
18h 51m
STL - DCA
$ 139
Kiwi
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7:59 PM - 6:45 AM
Frontier Airlines
1 Stops
16h 10m
STL - DCA
$ 139
Kiwi
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10:27 AM - 12:40 PM
United Airlines
1 Stops
4h 15m
STL - DCA
$ 325
Kiwi
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How to find the cheapest flight from St Louis (STL) to Washington (DCA)

Related info for your journey
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How to find the cheapest flight from St Louis (STL) to Washington (DCA)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Washington (DCA)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.