Cheap flights from Seattle to Chesapeake & Ohio Canal Towpath

View AU$158 flight on Sat, 8 Nov. 2025Opens in a new window

Popular airlines from Seattle to Chesapeake & Ohio Canal Towpath

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Seattle (SEA) to Chesapeake & Ohio Canal Towpath (WAS)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 21 Aug. - Mon, 25 Aug.
SEA
Seattle
BWI
Baltimore
AU$316 Return, found 1 day ago
AU$316
Return
found 1 day ago
Select American Airlines flight, departing Thu, 21 Aug. from Seattle to Baltimore, returning Mon, 25 Aug., priced at AU$316 found 1 day ago
American Airlines
Tue, 9 Sep. - Sat, 13 Sep.
SEA
Seattle
BWI
Baltimore
AU$317 Return, found 6 days ago
AU$317
Return
found 6 days ago
Select American Airlines flight, departing Tue, 9 Sep. from Seattle to Baltimore, returning Sat, 13 Sep., priced at AU$317 found 6 days ago
American Airlines
Wed, 20 Aug. - Sat, 23 Aug.
SEA
Seattle
BWI
Baltimore
AU$384 Return, found 1 day ago
AU$384
Return
found 1 day ago
Select American Airlines flight, departing Wed, 20 Aug. from Seattle to Baltimore, returning Sat, 23 Aug., priced at AU$384 found 1 day ago
Alaska Airlines
Wed, 13 Aug. - Wed, 27 Aug.
SEA
Seattle
IAD
Washington
AU$421 Return, found 4 days ago
AU$421
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 13 Aug. from Seattle to Washington, returning Wed, 27 Aug., priced at AU$421 found 4 days ago
Delta
Wed, 13 Aug. - Wed, 27 Aug.
SEA
Seattle
IAD
Washington
AU$422 Return, found 4 days ago
AU$422
Return
found 4 days ago
Select Delta flight, departing Wed, 13 Aug. from Seattle to Washington, returning Wed, 27 Aug., priced at AU$422 found 4 days ago
United
Wed, 13 Aug. - Wed, 27 Aug.
SEA
Seattle
BWI
Baltimore
AU$513 Return, found 4 days ago
AU$513
Return
found 4 days ago
Select United flight, departing Wed, 13 Aug. from Seattle to Baltimore, returning Wed, 27 Aug., priced at AU$513 found 4 days ago

Find the cheapest month to fly from Seattle (SEA) to Washington (DCA)

October is typically the cheapest month to fly

From AU$210 - AU$527 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.