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Flights from Seattle to Boston Starting at NZD 141

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • Cheapest nonstop
        SEA23:48
        5h 15m
        Nonstop
        BOS08:03
        Sat, Feb 15|Seattle - Boston|Jetblue Airways
        NZD 156NZD 344
        55% OFF
        55% OFF
        NZD 344NZD 156

        Choose Jetblue Airways flights from Seattle to Boston. The one-way direct flight with Jetblue Airways departs from Seattle-Tacoma International Airport on Sat, Feb 15, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from NZD 156 including taxes and charges.

      • SEA15:45
        5h 14m
        Nonstop
        BOS23:59
        Thu, Feb 27|Seattle - Boston|Alaska Airlines
        NZD 159NZD 344
        54% OFF
        54% OFF
        NZD 344NZD 159

        Choose Alaska Airlines flights from Seattle to Boston. The one-way direct flight with Alaska Airlines departs from Seattle-Tacoma International Airport on Thu, Feb 27, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from NZD 159 including taxes and charges.

      • SEA23:30
        5h 14m
        Nonstop
        BOS07:44
        Wed, Feb 12|Seattle - Boston|Alaska Airlines
        NZD 164NZD 344
        52% OFF
        52% OFF
        NZD 344NZD 164

        Choose Alaska Airlines flights from Seattle to Boston. The one-way direct flight with Alaska Airlines departs from Seattle-Tacoma International Airport on Wed, Feb 12, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from NZD 164 including taxes and charges.

      • SEA15:45
        5h 14m
        Nonstop
        BOS23:59
        Wed, Feb 19|Seattle - Boston|Alaska Airlines
        NZD 164
        NZD 164

        Choose Alaska Airlines flights from Seattle to Boston. The one-way direct flight with Alaska Airlines departs from Seattle-Tacoma International Airport on Wed, Feb 19, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from NZD 164 including taxes and charges.

      • SEA15:45
        5h 14m
        Nonstop
        BOS23:59
        Wed, Feb 26|Seattle - Boston|Alaska Airlines
        NZD 164
        NZD 164

        Choose Alaska Airlines flights from Seattle to Boston. The one-way direct flight with Alaska Airlines departs from Seattle-Tacoma International Airport on Wed, Feb 26, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from NZD 164 including taxes and charges.

      • SEA22:29
        5h 26m
        Nonstop
        BOS06:55
        Sat, Feb 15|Seattle - Boston|Delta Air Lines
        NZD 164
        NZD 164

        Choose Delta Air Lines flights from Seattle to Boston. The one-way direct flight with Delta Air Lines departs from Seattle-Tacoma International Airport on Sat, Feb 15, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from NZD 164 including taxes and charges.

      • SEA15:45
        5h 14m
        Nonstop
        BOS23:59
        Tue, Feb 25|Seattle - Boston|Alaska Airlines
        NZD 165
        NZD 165

        Choose Alaska Airlines flights from Seattle to Boston. The one-way direct flight with Alaska Airlines departs from Seattle-Tacoma International Airport on Tue, Feb 25, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from NZD 165 including taxes and charges.

      • SEA23:30
        5h 14m
        Nonstop
        BOS07:44
        Thu, Mar 6|Seattle - Boston|Alaska Airlines
        NZD 165
        NZD 165

        Choose Alaska Airlines flights from Seattle to Boston. The one-way direct flight with Alaska Airlines departs from Seattle-Tacoma International Airport on Thu, Mar 6, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from NZD 165 including taxes and charges.

      • SEA23:48
        5h 15m
        Nonstop
        BOS08:03
        Sun, Feb 16|Seattle - Boston|Jetblue Airways
        NZD 208
        NZD 208

        Choose Jetblue Airways flights from Seattle to Boston. The one-way direct flight with Jetblue Airways departs from Seattle-Tacoma International Airport on Sun, Feb 16, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from NZD 208 including taxes and charges.

      • SEA23:30
        5h 14m
        Nonstop
        BOS07:44
        Sun, Feb 16|Seattle - Boston|Alaska Airlines
        NZD 250
        NZD 250

        Choose Alaska Airlines flights from Seattle to Boston. The one-way direct flight with Alaska Airlines departs from Seattle-Tacoma International Airport on Sun, Feb 16, arriving at General Edward Lawrence Logan International Airport. One-way Prices start from NZD 250 including taxes and charges.

      • SEA01:00 pm
        3h 5m
        Nonstop
        BOS02:00 pm
        Sat, Feb 15|Seattle - Boston|Jetblue Airways
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Seattle to Boston flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL459

    Delta Air Lines

    07:40

    SEA

    5.5h

    Nonstop

    16:12

    BOS

    SMTWTFS
    Search

  2. AS306

    Alaska Airlines

    09:00

    SEA

    5.5h

    Nonstop

    17:30

    BOS

    SMTWTFS
    Search

  3. AS460

    Alaska Airlines

    15:35

    SEA

    5.4h

    Nonstop

    23:59

    BOS

    SMTWTFS
    Search

  4. B6498

    Jetblue Airways

    22:20

    SEA

    5.3h

    Nonstop

    06:37

    BOS

    SMTWTFS
    Search

  5. AS536

    Alaska Airlines

    23:30

    SEA

    5.4h

    Nonstop

    07:55

    BOS

    --TWT--
    Search

  6. DL473

    Delta Air Lines

    23:35

    SEA

    5.5h

    Nonstop

    08:02

    BOS

    SMTWTFS
    Search
Find more flights and airlines

Find the best time to fly from Seattle to Boston

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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Seattle to Boston

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Alaska Airlines logoAlaska AirlinesJetblue Airways logoJetblue AirwaysDelta Air Lines logoDelta Air Lines

FAQ

How to find a cheap flight from Seattle to Boston

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Boston. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
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Flight Information from Seattle to Boston

Cheapest nonstop flight priceNZD 140
Cheapest round-trip ticket priceNZD 322
Off-season for travelJanuary
Peak season for travelMay
Flight distance4,005.09 km
Average flight time5 hours 48 minutes
Popular airlineAlaska Airlines

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