Cheap flights from Detroit to Seattle from C$ 151
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Seattle departing on 27/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Detroit to Seattle
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JetBlue flights from Detroit to Seattle
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How to get the cheapest flight ticket from Detroit to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Detroit and Seattle?
What is the cheapest month to fly to Seattle?
If you aren’t able to travel to Seattle during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 403.
What is the cheapest day to depart on your flight to Seattle?
Our data shows that Tuesday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 528. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 860. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.
What is the cheapest time of day to depart on your flight to Seattle?
Our most recent data shows that the best time of day to fly to Seattle is at noon. Flights from Detroit to Seattle during this time can be as low as C$ 292. Flights in the morning are often more expensive with an average ticket price of C$ 693.
What is the cheapest Detroit to Seattle/Tacoma Intl flight route?
Fly from Detroit Metropolitan Wayne County to Seattle/Tacoma Intl for the best Detroit - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Detroit when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 516 when searching 6 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Detroit for as low as C$ 470 on momondo.
What cabin class options are available on Detroit to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on Detroit to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Detroit to Seattle flights?
You could potentially save up to 1% on your flight if you consider stops on a Detroit to Seattle flight.
How have Detroit to Seattle flight prices changed over time?
As of June 2025, prices for Detroit to Seattle flights are approximately 12% more expensive when compared to flights at the same time last year.
What is the cheapest airline that flies from Detroit to Seattle/Tacoma Intl?
Frontier, Spirit Airlines, and Sun Country Air are the most popular carriers operating from Detroit to Seattle/Tacoma Intl
Which airlines fly to Seattle?
Alaska Airlines, Delta and Spirit Airlines are the top three most popular airlines that fly to Seattle from Detroit according to our data. Alaska Airlines is the first choice among our users, with 55% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 5 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
How many flights depart from Detroit to Seattle on average per day?
18 flights are operational daily from Detroit to Seattle as of June 2025. The most popular departure time for this route is 7:00a.m., with 47% of flights per day taking off at noon.
How many flights depart from Detroit to Seattle on average per week?
129 flights are operational weekly from Detroit to Seattle as of June 2025. The most popular departure day for this route is Thu, with 16% of flights per week taking off on this day.
When to book flights from Detroit to Seattle
Cheap Detroit to Seattle (DTT to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Detroit to Seattle
How far is Detroit to Seattle/Tacoma Intl by plane?
The distance between Detroit and Seattle/Tacoma Intl is about 3108.8 km. 4h 49m is a normal flight duration for this route.
When did momondo last update prices for flights from Detroit to Seattle/Tacoma Intl Airport?
Prices for flights from Detroit to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Detroit to Seattle/Tacoma Intl Airport?
As of June 2025, there are 5 operators available to choose from for flights from Detroit to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Detroit to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Detroit to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Detroit to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Detroit to Seattle is Boeing 737-900 Passenger/BBJ3 (winglets) (20.79% of total bookings). The next most popular plane models are Boeing 737 (18.56%), Boeing 737-900 (16.87%), and Airbus A321-100/200 (16.28%).
What is the most popular airline from Detroit to Seattle?
Based on momondo bookings for flights between Detroit and Seattle, the leading airline is Alaska Airlines, making up 59% of the total bookings. Other popular airlines include Delta with 16%, Frontier with 15%, and Spirit Airlines with 11%.
Best airlines flying from Detroit to Seattle
Compare and see reviews for airlines that fly from Detroit to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 139 | Free Cancellation | Rating 5.9 3,296 reviews | |||
| PriceFrom C$ 174 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom C$ 250 | Free Cancellation | Rating 6.3 8,061 reviews | |||
| PriceFrom C$ 343 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom C$ 378 | Free Cancellation | Rating 7.8 2,500 reviews |
Delta Flights From Detroit to Seattle
The lowest priced Delta flight from Detroit to Seattle from the last 72 hours was C$ 128. Generally, Delta has 39 flights on this route every week with an average price of C$ 317. Delta is rated 8.0/10 by our users.
Alaska Airlines Flights From Detroit to Seattle
Another popular option for Detroit to Seattle flights is Alaska Airlines (8.0/10, 10,000 ratings). Alaska Airlines flies from Detroit to Seattle around 7 times per week, with deals starting from C$ 253 round-trip and rising to an average price of around C$ 390.
Travelling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Detroit to Seattle?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Detroit to Seattle. momondo saves you time and could save you money on your trip.
Can I find flights from Detroit to Seattle with flexible booking policies on momondo?
All flight searches from Detroit to Seattle on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Detroit to Seattle?
momondo helps you find the best flight between Detroit and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Detroit to Seattle right now. Can momondo alert me if prices change?
Price alerts on flights to Seattle from Detroit are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.