Frontier Airlines is selling cheap flights from Detroit to Seattle for as low as $104 return! That works out to a cost of just 2.7 Cents Per Mile for this 3800 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 May 2021. See the link(s) below for dates and prices.

Sample date(s) with Skyscanner.com booking link

Apr 12 – Apr 15 ($163)


Apr 12 – Apr 16 ($137)


Apr 12 – Apr 18 ($162)


Apr 13 – Apr 16 ($119)


Apr 14 – Apr 20 ($134)


Apr 19 – Apr 22 ($166)


May 1 – May 4 ($158)


May 11 – May 18 ($104)


May 12 – May 15 ($120)


May 19 – May 23 ($165)

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

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