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Cheap Flights from Los Angeles to Washington (LAX to DCA) from $224.00

Compare the cheapest Los Angeles (LAX) to Washington (DCA) fares found by our live flight search, then book online or over the phone with our travel experts.

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Adults
12+
1
Children
2–11
0
Infants
Under 2
0
Cabin
🏷️
Save up to 40% with unpublished phone fares
Consolidator deals on selected Los Angeles → Washington flights that do not appear in online search results. The live fares below are bookable right now — or call to check for an unpublished fare on your dates.
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One-way fares Los Angeles → Washington

showing indicative fares · loading live prices…
Southwest
Southwest CHEAPEST
LAX → DCA · Economy
lowest fare seen on this route
$374.00
$224.40
Select
Alaska Airlines
Alaska Airlines
LAX → DCA · Economy
lowest fare seen on this route
$418.40
$251.04
Select
Delta Air Lines
Delta Air Lines
LAX → DCA · Economy
lowest fare seen on this route
$433.19
$259.91
Select
American Airlines
American Airlines
LAX → DCA · Economy
lowest fare seen on this route
$436.20
$261.72
Select
Frontier
Frontier
LAX → DCA · Economy
lowest fare seen on this route
$447.99
$268.79
Select
JetBlue
JetBlue
LAX → DCA · Economy
lowest fare seen on this route
$574.79
$344.87
Select
See all flights & times → Prices per adult, one way, incl. taxes & fees. Availability changes constantly.
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Cheapest fares from Los Angeles to Washington

Lowest fare found per airline on the LAX → DCA route, with our discounted phone-deal price.

AirlineCabin Found fareOur discounted fare Fare found on
Southwest Southwest Economy $374.00 $224.40 Sep 12, 2026 Book
Alaska Airlines Alaska Airlines Economy $418.40 $251.04 Sep 12, 2026 Book
Delta Air Lines Delta Air Lines Economy $433.19 $259.91 Sep 12, 2026 Book
American Airlines American Airlines Economy $436.20 $261.72 Sep 12, 2026 Book
Frontier Frontier Economy $447.99 $268.79 Sep 12, 2026 Book
JetBlue JetBlue Economy $574.79 $344.87 Sep 12, 2026 Book
United Airlines United Airlines Economy $673.20 $403.92 Sep 12, 2026 Book

Discounted fares are negotiated phone deals from our vendor network and may not appear in online search results — call 1-856-513-6369 to lock one in. Fares were found on the dates shown, are per person in USD, and change with availability.

Related routes

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Page updated September 20, 2026 · fare data refreshed automatically from live flight searches.