Seattle to Washington area airports flight deals

Compare flights from Seattle to Washington area airports across upcoming months. Explore the dated fares below, or search your own trip.

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Flights from Seattle (SEA) · Seattle to United States flight deals

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Dulles (IAD) · Washington (DCA) · Baltimore (BWI)

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September 2026 · October 2026 · November 2026 · December 2026 · January 2027 · February 2027 · March 2027 · April 2027 · May 2027 · June 2027 · July 2027 · August 2027

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Fares observed September 16 – 17, 2026. USD for the travelers shown. Search a trip for current prices. For starting totals, choose a return flight to confirm the final price.

September 2026

1 adult · Economy · Round-trip totals

Destination	Travel dates	Flights (out / return)	Axel Member	Airline fare	Search
Baltimore (BWI)	Sep 25–27, 2026 · 2 days	1 stop / 1 stop · 8h 8m / 8h 19m	$409	$457	Search

Round-trip totals in USD for 1 adult · Economy.

Destination	Trip dates	Days	Axel Member	Airline fare	Stops	Search
Baltimore (BWI)	Sep 25–28, 2026	3	$409	$457	1 stop	Search
Dulles (IAD)	Sep 18–19, 2026	1	$358	$399	2 stops	Search

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October 2026

1 adult · Economy · Round-trip totals

Destination	Travel dates	Flights (out / return)	Axel Member	Airline fare	Search
Dulles (IAD)	Oct 12–14, 2026 · 2 days	Nonstop / Nonstop · 5h 3m / 5h 46m	$282	$317	Search

Round-trip totals in USD for 1 adult · Economy · 2 days.

Destination	Trip dates	Axel Member	Airline fare	Stops	Search
Dulles (IAD)	Oct 9–11, 2026	$267	$297	1 stop	Search

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November 2026

Round-trip totals in USD for 1 adult · Economy.

Destination	Trip dates	Days	Axel Member	Airline fare	Stops	Search
Dulles (IAD)	Nov 1–23, 2026	22	$249	$277	Nonstop	Search
Dulles (IAD)	Nov 19–22, 2026	3	$249	$277	Nonstop	Search
Washington (DCA)	Nov 22–25, 2026	3	$267	$297	1 stop	Search

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December 2026

Round-trip totals in USD for 1 adult · Economy · 2 days.

Destination	Trip dates	Axel Member	Airline fare	Stops	Search
Washington (DCA)	Dec 29–31, 2026	$301	$337	Nonstop	Search

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January 2027

Round-trip totals in USD for 1 adult · Economy.

Destination	Trip dates	Days	Axel Member	Airline fare	Stops	Search
Dulles (IAD)	Jan 6–27, 2027	21	$168	$187	1 stop	Search
Dulles (IAD)	Jan 7–10, 2027	3	$249	$277	Nonstop	Search
Washington (DCA)	Jan 1–23, 2027	22	$249	$277	Nonstop	Search

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February 2027

Round-trip totals in USD for 1 adult · Economy.

Destination	Trip dates	Days	Axel Member	Airline fare	Stops	Search
Dulles (IAD)	Feb 11–15, 2027	4	$258	$287	1 stop	Search
Dulles (IAD)	Feb 12–16, 2027	4	$258	$287	1 stop	Search
Washington (DCA)	Feb 3–13, 2027	10	$175	$197	1 stop	Search

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March 2027

1 adult · Economy · Round-trip starting totals

Destination	Travel dates	Outbound flight	Axel Member	Airline fare	Search
Baltimore (BWI)	Mar 4–7, 2027 · 3 days	Nonstop · 5h 3m	From $390	From $437	Search
Washington (DCA)	Mar 4–7, 2027 · 3 days	Nonstop · 5h 11m	From $249	From $277	Search
Baltimore (BWI)	Mar 5–8, 2027 · 3 days	Nonstop · 5h 3m	From $391	From $439	Search
Washington (DCA)	Mar 5–8, 2027 · 3 days	Nonstop · 5h 11m	From $249	From $277	Search

Round-trip totals in USD for 1 adult · Economy · 3 days.

Destination	Trip dates	Axel Member	Airline fare	Stops	Search
Dulles (IAD)	Mar 4–7, 2027	$249	$277	Nonstop	Search
Dulles (IAD)	Mar 5–8, 2027	$249	$277	Nonstop	Search

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April 2027

1 adult · Economy · Round-trip starting totals

Destination	Travel dates	Outbound flight	Axel Member	Airline fare	Search
Baltimore (BWI)	Apr 10–13, 2027 · 3 days	1 stop · 6h 57m	From $428	From $478	Search
Baltimore (BWI)	Apr 10–13, 2027 · 3 days	Nonstop · 5h 3m	From $634	From $704	Search
Dulles (IAD)	Apr 10–13, 2027 · 3 days	Nonstop · 4h 56m	From $446	From $497	Search
Washington (DCA)	Apr 10–13, 2027 · 3 days	1 stop · 6h 25m	From $465	From $517	Search
Washington (DCA)	Apr 10–13, 2027 · 3 days	Nonstop · 5h 8m	From $625	From $702	Search
Dulles (IAD)	Apr 11–14, 2027 · 3 days	1 stop · 6h 58m	From $488	From $547	Search
Dulles (IAD)	Apr 11–14, 2027 · 3 days	Nonstop · 4h 53m	From $518	From $582	Search
Washington (DCA)	Apr 11–14, 2027 · 3 days	1 stop · 6h 25m	From $479	From $538	Search
Washington (DCA)	Apr 11–14, 2027 · 3 days	Nonstop · 5h 8m	From $812	From $907	Search

Round-trip totals in USD for 1 adult · Economy · 22 days.

Destination	Trip dates	Axel Member	Airline fare	Stops	Search
Baltimore (BWI)	Apr 1–23, 2027	$390	$437	1 stop	Search

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May 2027

1 adult · Economy · Round-trip starting totals

Destination	Travel dates	Outbound flight	Axel Member	Airline fare	Search
Dulles (IAD)	May 28–31, 2027 · 3 days	Nonstop · 4h 53m	From $446	From $497	Search
Washington (DCA)	May 28–31, 2027 · 3 days	Nonstop · 5h 11m	From $488	From $547	Search
Dulles (IAD)	May 29–Jun 1, 2027 · 3 days	Nonstop · 4h 53m	From $446	From $497	Search
Washington (DCA)	May 29–Jun 1, 2027 · 3 days	Nonstop · 5h 8m	From $456	From $507	Search

Round-trip totals in USD for 1 adult · Economy.

Destination	Trip dates	Days	Axel Member	Airline fare	Stops	Search
Baltimore (BWI)	May 1–23, 2027	22	$390	$437	1 stop	Search
Baltimore (BWI)	May 24–26, 2027	2	$390	$437	1 stop	Search

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June 2027

Round-trip totals in USD for 1 adult · Economy.

Destination	Trip dates	Days	Axel Member	Airline fare	Stops	Search
Baltimore (BWI)	Jun 15–17, 2027	2	$429	$482	1 stop	Search
Baltimore (BWI)	Jun 21–23, 2027	2	$408	$456	1 stop	Search
Dulles (IAD)	Jun 1–2, 2027	1	$329	$367	1 stop	Search
Dulles (IAD)	Jun 24–Jul 1, 2027	7	$446	$497	Nonstop	Search

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July 2027

1 adult · Economy · Round-trip starting totals

Destination	Travel dates	Outbound flight	Axel Member	Airline fare	Search
Washington (DCA)	Jul 1–4, 2027 · 3 days	1 stop · 9h 45m	From $479	From $538	Search
Washington (DCA)	Jul 1–4, 2027 · 3 days	Nonstop · 5h 8m	From $536	From $597	Search
Washington (DCA)	Jul 2–5, 2027 · 3 days	1 stop · 11h 0m	From $479	From $538	Search
Washington (DCA)	Jul 2–5, 2027 · 3 days	Nonstop · 5h 8m	From $564	From $627	Search

Round-trip totals in USD for 1 adult · Economy.

Destination	Trip dates	Days	Axel Member	Airline fare	Stops	Search
Baltimore (BWI)	Jul 24–Aug 3, 2027	10	$439	$492	1 stop	Search
Baltimore (BWI)	Jul 24–Aug 7, 2027	14	$439	$492	1 stop	Search
Dulles (IAD)	Jul 17–24, 2027	7	$446	$497	Nonstop	Search
Dulles (IAD)	Jul 22–25, 2027	3	$446	$497	Nonstop	Search

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August 2027

1 adult · Economy · Round-trip starting totals

Destination	Travel dates	Outbound flight	Axel Member	Airline fare	Search
Dulles (IAD)	Aug 5–8, 2027 · 3 days	Nonstop · 4h 56m	From $446	From $497	Search
Washington (DCA)	Aug 5–8, 2027 · 3 days	1 stop · 6h 25m	From $465	From $517	Search
Washington (DCA)	Aug 5–8, 2027 · 3 days	Nonstop · 5h 8m	From $488	From $547	Search
Washington (DCA)	Aug 6–9, 2027 · 3 days	Nonstop · 5h 8m	From $446	From $497	Search

Round-trip totals in USD for 1 adult · Economy.

Destination	Trip dates	Days	Axel Member	Airline fare	Stops	Search
Baltimore (BWI)	Aug 2–4, 2027	2	$390	$438	1 stop	Search
Baltimore (BWI)	Aug 2–10, 2027	8	$390	$437	1 stop	Search
Dulles (IAD)	Aug 2–3, 2027	1	$329	$367	1 stop	Search

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