
Popular airlines from Sequim to Arlington
- Alaska Airlines
Alaska Airlines
- American Airlines
American Airlines
- Delta
Delta
- United
United
- JetBlue Airways
JetBlue Airways
- Hawaiian Airlines
Hawaiian Airlines
- Plan, book, fly with confidence
trending down icon Be in the knowGet alerts if flight prices drop or rise*bex rewards loyalty icon Book smarterSave up to 30% on select hotels after you book a flight*payments icon
Cheap flights from Sequim (SEA) to Arlington (WAS)
Prices were available within the past 7 days and start at CA $104 for one-way flights and CA $208 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep. 11 - Tue, Sep. 16
SEA
Seattle
BWI
Baltimore
CA $208 Roundtrip, found 3 days ago
CA $208
Roundtrip
found 3 days ago

Tue, Aug. 26 - Tue, Sep. 9
SEA
Seattle
BWI
Baltimore
CA $209 Roundtrip, found 3 days ago
CA $209
Roundtrip
found 3 days ago

Tue, Sep. 16 - Thu, Sep. 18
SEA
Seattle
BWI
Baltimore
CA $213 Roundtrip, found 5 days ago
CA $213
Roundtrip
found 5 days ago

Sat, Aug. 30 - Sat, Sep. 6
SEA
Seattle
BWI
Baltimore
CA $214 Roundtrip, found 3 days ago
CA $214
Roundtrip
found 3 days ago

Sat, Oct. 25 - Tue, Oct. 28
SEA
Seattle
DCA
Washington
CA $376 Roundtrip, found 6 days ago
CA $376
Roundtrip
found 6 days ago

Mon, Aug. 4 - Tue, Aug. 19
SEA
Seattle
DCA
Washington
CA $487 Roundtrip, found 5 days ago
CA $487
Roundtrip
found 5 days ago
Find the cheapest month to fly from Seattle (SEA) to Washington (DCA)
September is typically the cheapest month to fly
From CA $189 - CA $353 per traveller.
Graph displaying average flight prices per month
Nearby Cities
Top Routes to Arlington
Expedia's Latest Trends
Hotels
Flights
- Flights from Salt Lake City to Anaheim
- Flights from Calgary (YYC) to Delhi (DEL)
- Flights to Las Vegas
- Flights from Calgary to Honolulu
- Flights from Maui to Honolulu
- Flights from Detroit to Maui
- Flights from Toronto to Los Angeles
- Flights from Detroit to Anaheim
- Flights from Windsor Locks to Banff
- Flights from Winnipeg to Honolulu
- Flights from Vancouver to Honolulu
- Flights from Honolulu to Maui
- Flights from Vancouver (YVR) to Montreal (YUL)
*Available to Expedia members.