Find Boston - Seattle flights (BOS - SEA)

Fares recently seen on Star Alliance member airline websites. Not all Star Alliance Member Airlines or all fares/options are shown.
    15 Night(s) Trip
    Boston (BOS) - Seattle (SEA)

    Roundtrip | Economy

    airline logo
    BOS - SEA

    Jun 19, 2018

    SEA - BOS

    Jul 04, 2018

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    USD 290*
    4 Night(s) Trip
    Boston (BOS) - Seattle (SEA)

    Roundtrip | Economy

    airline logo
    BOS - SEA

    Jun 08, 2018

    SEA - BOS

    Jun 12, 2018

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    USD 290*
    6 Night(s) Trip
    Boston (BOS) - Seattle (SEA)

    Roundtrip | Economy

    airline logo
    BOS - SEA

    Jun 20, 2018

    SEA - BOS

    Jun 26, 2018

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    USD 290*
    7 Night(s) Trip
    Boston (BOS) - Seattle (SEA)

    Roundtrip | Economy

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    BOS - SEA

    Jun 02, 2018

    SEA - BOS

    Jun 09, 2018

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    USD 300*
    2 Night(s) Trip
    Boston (BOS) - Seattle (SEA)

    Roundtrip | Economy

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    BOS - SEA

    Jun 05, 2018

    SEA - BOS

    Jun 07, 2018

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    USD 312*
    6 Night(s) Trip
    Boston (BOS) - Seattle (SEA)

    Roundtrip | Economy

    airline logo
    BOS - SEA

    Jun 07, 2018

    SEA - BOS

    Jun 13, 2018

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    USD 316*
    15 Night(s) Trip
    Boston (BOS) - Seattle (SEA)

    Roundtrip | Economy

    airline logo
    BOS - SEA

    Jun 17, 2018

    SEA - BOS

    Jul 02, 2018

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    USD 320*
    15 Night(s) Trip
    Boston (BOS) - Seattle (SEA)

    Roundtrip | Economy

    airline logo
    BOS - SEA

    Jun 18, 2018

    SEA - BOS

    Jul 03, 2018

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    USD 320*
    2 Night(s) Trip
    Boston (BOS) - Seattle (SEA)

    Roundtrip | Economy

    airline logo
    BOS - SEA

    Jun 03, 2018

    SEA - BOS

    Jun 05, 2018

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    USD 320*
    13 Night(s) Trip
    Boston (BOS) - Seattle (SEA)

    Roundtrip | Economy

    airline logo
    BOS - SEA

    May 31, 2018

    SEA - BOS

    Jun 13, 2018

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    USD 320*

*Prices have been offered for round trips within the last 48 hours and might not be currently available. Not all Star Alliance Member Airlines or all fares/options are shown. Additional baggage fees, payment fees and fees for other optional services may apply. When booking, please check for restrictions on refunds, rebooking and baggage allowance that may apply. Prices may vary depending on the route and flights selected. Routings may include stopovers. Terms and conditions apply.

Weather in Seattle

11°C Thursday May 24, 2018
19°C Friday May 25, 2018
17°C Saturday May 26, 2018
18°C Sunday May 27, 2018
17°C Monday May 28, 2018
18°C Tuesday May 29, 2018
11°C Wednesday May 30, 2018
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