Washington D.C. to Seattle, Washington flights

Deals as low as $104 right now.
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Best Deals from WAS to SEA

Discover the cheapest current deals from 184 recent searches matching your trip
  • $104
    Seattle, Washington
    3 days in Oct
    Fri
    23
    Mon
    26
  • $168
    Seattle, Washington
    3 days in Oct
    Fri
    2
    Mon
    5
  • $104
    Seattle, Washington
    5 days in Oct
    Wed
    21
    Mon
    26
  • $104
    Seattle, Washington
    4 days in Oct
    Thu
    22
    Mon
    26
  • $148
    Seattle, Washington
    5 days in Aug
    Wed
    26
    Mon
    31
  • $168
    Seattle, Washington
    4 days in Aug
    Wed
    19
    Sun
    23
  • When to Fly
    Prices range from $153 in October to $344 in April
    Details:
    Good deals for this route are priced below 150.0

    The cheapest round trip flights from WAS to SEA for any dates in the next six months were priced from about $160 - $170 and from about $140 - $150 (nonstop). A few lucky people found prices as low as $104.

    Fly out on a Monday, return on a Wednesday, save up to $80.

    The best day to depart a roundtrip ticket from Washington D.C. to Seattle is Monday, saving $40. The best day to return is Wednesday, saving up to $40.

    From:
    Washington D.C. (BWI,DCA,IAD)
        
    To:
    Seattle, Washington (BFI,SEA)    
        
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