Spirit Airlines is selling cheap flights from Seattle to Boston for as low as $96 return! That works out to a cost of just 1.9 Cents Per Mile for this 5000 mile journey.

The fare only includes a small carry-on bag placed under the seat, and you need to pay extra if you want to use the overhead storage or to check bags.

Our data shows the lowest prices are available in February 2021. See the link(s) below for dates and prices.

Sample date(s) with Skyscanner.com booking link

Jan 22 – Jan 28 ($140)


Jan 23 – Jan 26 ($113)


Feb 6 – Feb 9 ($109)


Feb 13 – Feb 16 ($113)


Feb 17 – Feb 24 ($96)


Feb 20 – Feb 23 ($100)


Mar 15 – Mar 22 ($145)


Apr 17 – Apr 20 ($113)


May 1 – May 4 ($109)


May 8 – May 11 ($109)

Are you looking for an apartment to rent for your stay in Boston? Check out what Vrbo.com has to offer!

We post many cheap flights like this one from Seattle to Boston every single day, so have a look at our Travel Deals page, or check out the related posts below!

Note: Prices are valid at the time of publishing this post, but may change in the future.

COVID-19 Note: During these uncertain times, please make sure to check the relevant Coronavirus restrictions for your destination before you book and before you fly. We recommend also checking the refund policy of the airline, as well as purchasing travel insurance for your trip.

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