
Book Cheap Alaska Airlines flight from Detroit (DTW) to Seattle (SEA) from CA $143
Find The Best Day to Book a Cheap Alaska Airlines Flights From Detroit to Seattle
Cheapest Alaska Airlines Flights from Detroit (DTW) to Seattle (SEA)
The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were CA $222 round trip and CA $143 one way. Prices and availability subject to change. Additional terms may apply.
SEA From DTW Economy Coach Packages on Similar Airlines



Frequently asked questions
Grab a great Alaska Airlines flight from DTW to SEA
To find a great deal on Alaska Airlines flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights.
Flying Alaska Airlines Detroit to Seattle gives you fights to choose from. With that direct flight time of , you’ll be touching down before you know it.
Find cheap flights with Alaska Airlines between Detroit and Seattle
Alaska Airlines has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from Detroit to Seattle with Alaska Airlines are March.
The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.
Reasons to book your Alaska Airlines flights with Travelocity
Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| SEA | USA | Seattle - Tacoma Intl. | 115 |
| ORD | USA | O'Hare Intl. | 44 |
| LAX | USA | Los Angeles Intl. | 24 |
| PDX | USA | Portland Intl. | 23 |
| ANC | USA | Ted Stevens Anchorage Intl. | 22 |
| SFO | USA | San Francisco Intl. | 21 |
| SAN | USA | San Diego Intl. | 18 |
| JNU | USA | Juneau Intl. | 10 |
| SJC | USA | Norman Y. Mineta San Jose Intl. | 10 |
| GEG | USA | Spokane Intl. | 7 |
Travelers ❤️ these 🏨 after their flight to Seattle

Coast Gateway Hotel
I stayed there to check it out before directing performers who we often book, who need proximity of a good hotel with reliable shuttle service for catching an early morning flight
Reviewed on Jan 22, 2026

Country Inn & Suites by Radisson, Seattle-Tacoma International Airport, WA
There is a staff member that was great after I had to leave my Original book rental property due to unlivable conditions. These people are awesome definitely get the jetted tub won't disappoint.
Reviewed on Jan 23, 2026

DoubleTree by Hilton Seattle Airport
I really enjoyed it the cookies were amazing and the food was good too.
Reviewed on Jan 22, 2026
Want more than a(n) Alaska Airlines Flight from Detroit to Seattle?
Popular Alaska Airlines Flight Routes from DTW
Domestic
- Vancouver to San Francisco (YVR - SFO)
- Edmonton to Cancun (YEG - CUN)
- Calgary to Orlando (YYC - MCO)
- Vancouver to Newark Liberty Intl. Airport (YVR - EWR)
- Vancouver to Orlando (YVR - MCO)
- Vancouver to Las Vegas (YVR - LAS)
- Vancouver to Honolulu (YVR - HNL)
- Vancouver to Kahului (YVR - OGG)
- Calgary to Liberia (YYC - LIR)
- Calgary to Puerto Vallarta (YYC - PVR)
International
- Vancouver to San Francisco (YVR - SFO)
- Edmonton to Cancun (YEG - CUN)
- Calgary to Puerto Vallarta (YYC - PVR)
- Vancouver to Honolulu (YVR - HNL)
- Vancouver to Phoenix (YVR - PHX)
- Vancouver to Orlando (YVR - MCO)
- Vancouver to Cancun (YVR - CUN)
- Calgary to Cancun (YYC - CUN)
- Vancouver to Las Vegas (YVR - LAS)
- Vancouver to Newark Liberty Intl. Airport (YVR - EWR)
Most Popular
- YVR - PSP
- YVR - LAS
- DTW - DFW
- WestJet Vancouver (YVR) to Las Vegas (LAS) flights
- YUL - FLL
- BUF - DFW
- YVR - FLL
- Delta Detroit (DTW) to Las Vegas (LAS) flights
- JetBlue Airways Buffalo (BUF) to Boston (BOS) flights
- DTW - FLL
- FLL - YYZ
- YVR - SAN
- YVR - DFW
- YYZ - DFW
- JetBlue Airways Buffalo (BUF) to Fort Lauderdale (FLL) flights
- Porter Airlines Toronto (YTZ) to Philadelphia (PHL) flights
- Air Canada Toronto (YYZ) to Las Vegas (LAS) flights
- WestJet Edmonton (YEG) to Las Vegas (LAS) flights
- YYZ - NYC
- YYZ - PHL
- Swoop Edmonton (YEG) to Las Vegas (LAS) flights
- STL - GUF
- Air Canada Toronto (YYZ) to Fort Lauderdale (FLL) flights
- YYZ - LAS
- Air Canada Montreal (YUL) to Las Vegas (LAS) flights
- Swoop Abbotsford (YXX) to Las Vegas (LAS) flights
- Spirit Airlines Niagara Falls (IAG) to Fort Lauderdale (FLL) flights
- YYZ - BOS
- Air Canada Toronto (YYZ) to San Diego (SAN) flights
- Delta Buffalo (BUF) to Las Vegas (LAS) flights
