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

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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 November , December 2026

30 Nov - 08 Dec $ 433.00
STL
St Louis
Frontier Airlines
2 STOPS
DCA
Washington
DCA
Washington
Frontier Airlines
1 STOPS
STL
St Louis
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19 Nov - 07 Dec $ 1,288.00
STL
St Louis
Alaska Airlines
1 STOPS
DCA
Washington
DCA
Washington
Alaska Airlines
1 STOPS
STL
St Louis
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19 Nov - 06 Dec $ 1,288.00
STL
St Louis
Alaska Airlines
1 STOPS
DCA
Washington
DCA
Washington
Alaska Airlines
1 STOPS
STL
St Louis
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Last minute flights from St Louis to Washington

25 Nov - 30 Nov $ 789.00
STL
St Louis
Frontier Airlines
2 STOPS
DCA
Washington
DCA
Washington
Frontier Airlines
1 STOPS
STL
St Louis
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19 Nov - 01 Dec $ 1,841.00
STL
St Louis
Alaska Airlines
1 STOPS
DCA
Washington
DCA
Washington
Alaska Airlines
1 STOPS
STL
St Louis
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17 Nov - 01 Dec $ 1,851.00
STL
St Louis
Alaska Airlines
1 STOPS
DCA
Washington
DCA
Washington
Alaska Airlines
1 STOPS
STL
St Louis
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One-way flights to Washington from St Louis

6:35 PM - 6:40 PM
JetBlue Airways
2 Stops
25h 21m
STL - DCA
$ 261
Kiwi
Pick dates
6:00 AM - 1:57 PM
Alaska Airlines
1 Stops
14h 59m
STL - DCA
$ 862
Kiwi
Pick dates
6:00 AM - 1:57 PM
Alaska Airlines
1 Stops
14h 59m
STL - DCA
$ 871
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.