Frontier Airlines is selling cheap flights from Seattle to Baltimore for as low as $118 return! That works out to a cost of just 2.5 Cents Per Mile for this 4700 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 November 2021. See the link(s) below for dates and prices.

Sample date(s) with Kiwi.com booking link

Oct 20 – Oct 27 ($127)


Nov 1 – Nov 20 ($138)


Nov 5 – Nov 20 ($138)


Nov 6 – Nov 19 ($138)


Nov 6 – Nov 20 ($118)


Nov 12 – Nov 15 ($133)


Nov 12 – Nov 20 ($138)


Nov 13 – Nov 19 ($138)


Nov 13 – Nov 20 ($118)


Dec 11 – Dec 15 ($124)

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

We post many cheap flights like this one from Seattle to Baltimore 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.