Flights to Northwest Washington from Newark - ￥11,500

View ￥11,500 flight on Sat, Sep 20, 2025Opens in a new window

Popular airlines from Newark to Northwest Washington

  • Peach

    Peach

  • Skymark Airlines

    Skymark Airlines

  • All Nippon Airways

    All Nippon Airways

  • Japan Airlines

    Japan Airlines

  • Jetstar Japan

    Jetstar Japan

  • Solaseed Air

    Solaseed Air

  • STARFLYER

    STARFLYER

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Newark to Northwest Washington (NYC-SEA)

Prices were available within the past 7 days and start at ￥11,500 for one-way flights and ￥34,200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Sep 20 - Sat, Oct 4
JFK
New York
SEA
Seattle
￥34,200 Roundtrip, found 5 days ago
￥34,200
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Sep 20 from New York to Seattle, returning Sat, Oct 4, priced at ￥34,200 found 5 days ago
Hawaiian Airlines
Tue, Sep 23 - Tue, Oct 7
EWR
New York
SEA
Seattle
￥34,200 Roundtrip, found 5 days ago
￥34,200
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Tue, Sep 23 from New York to Seattle, returning Tue, Oct 7, priced at ￥34,200 found 5 days ago
Delta
Tue, Sep 2 - Tue, Sep 16
JFK
New York
SEA
Seattle
￥34,950 Roundtrip, found 5 days ago
￥34,950
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Sep 2 from New York to Seattle, returning Tue, Sep 16, priced at ￥34,950 found 5 days ago
Delta
Sat, Aug 30 - Sat, Sep 13
JFK
New York
SEA
Seattle
￥34,970 Roundtrip, found 2 days ago
￥34,970
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Aug 30 from New York to Seattle, returning Sat, Sep 13, priced at ￥34,970 found 2 days ago
American Airlines
Sun, Aug 31 - Tue, Sep 9
JFK
New York
SEA
Seattle
￥36,530 Roundtrip, found 8 hours ago
￥36,530
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sun, Aug 31 from New York to Seattle, returning Tue, Sep 9, priced at ￥36,530 found 8 hours ago
United
Sat, Sep 6 - Wed, Sep 10
EWR
New York
SEA
Seattle
￥48,390 Roundtrip, found 5 days ago
￥48,390
Roundtrip
found 5 days ago
Select United flight, departing Sat, Sep 6 from New York to Seattle, returning Wed, Sep 10, priced at ￥48,390 found 5 days ago
*Available to Expedia members.