DTW - SEA

C$ 280 Find Cheap Flights from Detroit to Seattle – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
C$ 459
Typical prices: C$ 474-C$ 776
Frontier
Wed 21/11Fri 7/12
DTW - SEA • 1 stop
Cheapest direct flights
C$ 478
Typical prices: C$ 491-C$ 789
Delta
Thu 27/9Thu 4/10
DTW - SEA • Direct
Direct flights
You can fly direct with Delta and Alaska Airlines. Average duration is 5h 02m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travellers who book at least 5 weeks in advance save around 43% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 35% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 351 (round-trip)
Shortest trip • 7h 17m (one-way)
Insights
Insights
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We hope you enjoy your trip to Seattle!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Detroit to Seattle (DTW-SEA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Detroit to Seattle

Sat, 21 Nov - Mon, 7 Dec
Frontier Logo
6:41 a.m. - 12:37 p.m.DTW  Detroit Metropolitan Wayne County-SEA Seattle/Tacoma Intl
8h 56m1 stop Las Vegas Harry Reid Intl
Frontier Logo
5:25 p.m. - 12:51 a.m.SEA  Seattle/Tacoma Intl-DTW Detroit Metropolitan Wayne County
28h 26m1 stop Denver Intl
C$ 459Frontier
Thu, 10 Dec - Sun, 13 Dec
Southwest Logo
8:50 a.m. - 5:50 p.m.DTW  Detroit Metropolitan Wayne County-SEA Seattle/Tacoma Intl
12h 00m2 stops Chicago Midway Denver Intl
Southwest Logo
12:15 a.m. - 10:30 a.m.SEA  Seattle/Tacoma Intl-DTW Detroit Metropolitan Wayne County
7h 15m1 stop Chicago Midway
C$ 459Southwest
Sun, 28 Feb - Wed, 3 Mar
United Airlines Logo
4:15 p.m. - 10:59 p.m.DTW  Detroit Metropolitan Wayne County-SEA Seattle/Tacoma Intl
9h 44m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
2:20 p.m. - 11:52 p.m.SEA  Seattle/Tacoma Intl-DTW Detroit Metropolitan Wayne County
6h 32m1 stop Chicago O'Hare Intl
C$ 459United Airlines
Fri, 16 Oct - Thu, 22 Oct
Southwest Logo
8:05 p.m. - 12:40 a.m.DTW  Detroit Metropolitan Wayne County-SEA Seattle/Tacoma Intl
7h 35m1 stop Chicago Midway
Southwest Logo
9:15 p.m. - 10:05 a.m.SEA  Seattle/Tacoma Intl-DTW Detroit Metropolitan Wayne County
9h 50m2 stops Sacramento Intl Chicago Midway
C$ 459Southwest
Sat, 21 Nov - Sun, 6 Dec
Frontier Logo
8:31 p.m. - 3:22 p.m.DTW  Detroit Metropolitan Wayne County-SEA Seattle/Tacoma Intl
21h 51m1 stop Denver Intl
Frontier Logo
8:55 p.m. - 1:57 p.m.SEA  Seattle/Tacoma Intl-DTW Detroit Metropolitan Wayne County
14h 02m1 stop Las Vegas Harry Reid Intl
C$ 461Frontier
Sun, 22 Nov - Sat, 5 Dec
Frontier Logo
8:31 p.m. - 3:22 p.m.DTW  Detroit Metropolitan Wayne County-SEA Seattle/Tacoma Intl
21h 51m1 stop Denver Intl
Frontier Logo
5:25 p.m. - 4:21 p.m.SEA  Seattle/Tacoma Intl-DTW Detroit Metropolitan Wayne County
19h 56m1 stop Denver Intl
C$ 463Frontier
Sun, 27 Sep - Sun, 4 Oct
Delta Logo
6:00 a.m. - 7:55 a.m.DTW  Detroit Metropolitan Wayne County-SEA Seattle/Tacoma Intl
4h 55mdirect
Delta Logo
6:00 a.m. - 1:20 p.m.SEA  Seattle/Tacoma Intl-DTW Detroit Metropolitan Wayne County
4h 20mdirect
C$ 478Delta
Tue, 29 Sep - Wed, 7 Oct
Delta Logo
6:00 a.m. - 7:55 a.m.DTW  Detroit Metropolitan Wayne County-SEA Seattle/Tacoma Intl
4h 55mdirect
Delta Logo
11:25 a.m. - 6:46 p.m.SEA  Seattle/Tacoma Intl-DTW Detroit Metropolitan Wayne County
4h 21mdirect
C$ 478Delta
Fri, 27 Nov - Wed, 2 Dec
Alaska Airlines Logo
7:01 a.m. - 9:09 a.m.DTW  Detroit Metropolitan Wayne County-SEA Seattle/Tacoma Intl
5h 08mdirect
Alaska Airlines Logo
8:30 a.m. - 3:48 p.m.SEA  Seattle/Tacoma Intl-DTW Detroit Metropolitan Wayne County
4h 18mdirect
C$ 493Alaska Airlines
Fri, 27 Nov - Fri, 27 Nov
Alaska Airlines Logo
7:01 a.m. - 9:09 a.m.DTW  Detroit Metropolitan Wayne County-SEA Seattle/Tacoma Intl
5h 08mdirect
Alaska Airlines Logo
10:24 p.m. - 5:41 a.m.SEA  Seattle/Tacoma Intl-DTW Detroit Metropolitan Wayne County
4h 17mdirect
C$ 493Alaska Airlines
Booking Insights

Price, demand, and travel trends for Detroit Metropolitan Wayne County Airport to Seattle flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Detroit Metropolitan Wayne County Airport to Seattle with more confidence.

How much is a round-trip flight from Detroit Metropolitan Wayne County Airport to Seattle?

Round-trip flights from Detroit Metropolitan Wayne County Airport to Seattle start at C$ 459. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 474 to C$ 776. The lowest price found in the past 5 days was C$ 459 on Frontier.

What's the cheapest day of the week to fly from Detroit Metropolitan Wayne County Airport to Seattle?

Tuesday is the cheapest day of the week to fly from Detroit Metropolitan Wayne County Airport to Seattle and is 4% cheaper than the average day. Sunday is the most expensive day with flight prices 8% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Detroit Metropolitan Wayne County Airport to Seattle?

  • February is the cheapest month to fly from Detroit Metropolitan Wayne County Airport to Seattle at C$ 385 round-trip.
  • July (C$ 680) and June (C$ 677) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 76% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Detroit Metropolitan Wayne County Airport to Seattle the cheapest?

Flights from Detroit Metropolitan Wayne County Airport to Seattle are cheapest 5 weeks before departure. Booking in this window typically costs about 43% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Detroit to Seattle

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines and SEA

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Ramsey Qubein

Ramsey Qubein

Expert on DTW

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Key details for Detroit Metropolitan Wayne County Airport to Seattle flights

Low season

February

Cheapest flight

C$ 280
Best time to beat the crowds (35% less expensive on average)
Most popular time to fly (14% more expensive on average)
Flights from Detroit Metropolitan Wayne County Airport to Seattle

When to book flights from Detroit to Seattle

Are your dates flexible? Find out the best times to travel from Detroit to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Detroit Metropolitan Wayne County Airport to Seattle flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airlines offer extra legroom and free seat selection on Detroit Metropolitan Wayne County Airport to Seattle flights?

    Among airlines operating Detroit Metropolitan Wayne County Airport to Seattle flights:

    • Delta: offers extra legroom; offers free seat selection
    • Alaska Airlines: offers extra legroom; offers free seat selection
    • American Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines are available on the route from Detroit Metropolitan Wayne County Airport to Seattle?

    2 airlines operate flights between Detroit Metropolitan Wayne County Airport and Seattle. The airlines offering direct flights on this route include:

    • Delta
    • Alaska Airlines

  • Which airports can I use when flying from Detroit Metropolitan Wayne County Airport to Seattle?

    Flights from Detroit Metropolitan Wayne County Airport to Seattle usually depart from Detroit Metropolitan Wayne County (DTW) and arrive at Seattle/Tacoma Intl (SEA).

  • Which airlines include bags at no extra cost on Detroit Metropolitan Wayne County Airport to Seattle flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Delta: a carry-on bag and a checked bag in Economy Class
    • Alaska Airlines: a carry-on bag and a checked bag in Economy Class
    • American Airlines: a carry-on bag and a checked bag in First Class

    Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

  • Which cabin classes can I book on flights from Detroit Metropolitan Wayne County Airport to Seattle?

    Only Economy Class is available on flights from Detroit Metropolitan Wayne County Airport to Seattle.

  • How much can I save by taking a layover when flying from Detroit Metropolitan Wayne County Airport to Seattle?

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 351 round-trip via Las Vegas Harry Reid Intl (LAS), compared to C$ 606 for direct.

  • What is the standard checked bag allowance on flights from Detroit Metropolitan Wayne County Airport to Seattle?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 48–C$ 138 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Detroit Metropolitan Wayne County Airport to Seattle?

    The Boeing 737-900 family is used most often on this route, operated mainly by Delta. Other aircraft seen on the route include Boeing 737 variants.

  • Which airports do connecting flights from Detroit Metropolitan Wayne County Airport to Seattle pass through?

    One-stop flights from Detroit Metropolitan Wayne County Airport to Seattle most commonly connect through:

    • Denver Intl (DEN) – 61% of one-stop connections
    • Chicago O'Hare Intl (ORD) – 27% of one-stop connections
    • Minneapolis St Paul (MSP) – 4% of one-stop connections
    • Chicago Midway (MDW) – 2% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Detroit Metropolitan Wayne County Airport to Seattle?

    Yes. Being flexible with your travel dates can save you up to 12% on the Detroit Metropolitan Wayne County Airport to Seattle route. Tuesday is the cheapest departure day at C$ 573 round-trip on average, while Sunday is the most expensive at C$ 645, a difference of C$ 72. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from Detroit Metropolitan Wayne County Airport to Seattle spread across the day?

    Morning is the busiest departure period on Detroit Metropolitan Wayne County Airport to Seattle flights, with 34% leaving in that window. Afternoon departures account for 33%, Evening flights for 33%, and Night flights for 0%.

  • Which popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Lumen Field, T-Mobile Park, and Seattle Waterfront. These are among the most viewed places in Seattle on KAYAK.

  • What are the earliest and latest flights from Detroit Metropolitan Wayne County Airport to Seattle?

    These are the earliest and latest flight times available from Detroit Metropolitan Wayne County Airport to Seattle:

    • Earliest: departs at 6:00 am and lands at 11:02 am
    • Latest: departs at 8:11 pm and lands at 1:13 am.

    The flight takes about 5h 02m.

  • How expensive are last-minute Detroit Metropolitan Wayne County Airport to Seattle flights?

    Last-minute fares on this route – booked within 2 weeks of departure – run 57% above the route average of C$ 596. Book 5 weeks before departure for the lowest fares.

  • How long does a flight from Detroit Metropolitan Wayne County Airport to Seattle take?

    A direct flight from Detroit Metropolitan Wayne County Airport to Seattle takes 5h 02m, covering 4,974 km.

  • Do I need a passport to fly from Detroit Metropolitan Wayne County Airport to Seattle?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Detroit Metropolitan Wayne County Airport to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 459 to C$ 1,626. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Detroit Metropolitan Wayne County Airport to Seattle looking right now?

    One-way fares from Detroit Metropolitan Wayne County Airport to Seattle are currently lower than usual. Average one-way flight prices are about C$ 308, which is 27% below the typical average for this route.

  • How much time can I save by choosing a different layover airport when travelling from Detroit Metropolitan Wayne County Airport to Seattle?

    Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 7h 17m, compared with 7h 47m via Chicago Midway (MDW) and 8h 00m via Minneapolis St Paul (MSP).

  • What is the time difference between Detroit Metropolitan Wayne County Airport and Seattle?

    Seattle is 3 hours behind Detroit Metropolitan Wayne County Airport (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around C$ 5 for economy cars. Top options include:
    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Dollar

  • How much should I expect to pay for a Detroit Metropolitan Wayne County Airport to Seattle flight?

    Round-trip flights from Detroit Metropolitan Wayne County Airport to Seattle range from C$ 474 to C$ 776, with an average of C$ 596 over the past 12 months. Anything below C$ 474 counts as a good deal.

  • Which airlines offer Wi-Fi on Detroit Metropolitan Wayne County Airport to Seattle flights?

    Two airlines offer in-flight Wi-Fi on Detroit Metropolitan Wayne County Airport to Seattle flights:

    • • Delta
    • • Alaska Airlines

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Detroit Metropolitan Wayne County Airport to Seattle flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure instead of Sunday. On this route, Tuesday flights average C$ 573 – about C$ 72 less than Sunday (11% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 5 weeks before you fly. On this route, that window historically saves about 43% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Detroit Metropolitan Wayne County Airport to Seattle trip for February. Fares historically average C$ 385 round-trip in that month – typically C$ 294 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Las Vegas Harry Reid Intl Airport (LAS) can be cheaper than flying direct. The cheapest layover option averages C$ 351 round-trip on this route – about C$ 255 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.
    - Seattle Airport Marriott
    - Coast Gateway Hotel
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

Prefer to fly direct from Detroit to Seattle?

 
Find which airlines fly direct from Detroit Metropolitan Wayne County Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Detroit Metropolitan Wayne County to Seattle/Tacoma Intl

Monday

Alaska Airlines,Delta

Alaska Airlines,Delta

Tuesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Wednesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Thursday

Alaska Airlines,Delta

Alaska Airlines,Delta

Friday

Alaska Airlines,Delta

Alaska Airlines,Delta

Saturday

Alaska Airlines,Delta

Alaska Airlines,Delta

Sunday

Alaska Airlines,Delta

Alaska Airlines,Delta

See more nonstop flights

Direct returns

Seattle/Tacoma Intl to Detroit Metropolitan Wayne County

Monday

Alaska Airlines,Delta

Alaska Airlines,Delta

Tuesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Wednesday

Alaska Airlines,Delta

Alaska Airlines,Delta

Thursday

Alaska Airlines,Delta

Alaska Airlines,Delta

Friday

Alaska Airlines,Delta

Alaska Airlines,Delta

Saturday

Alaska Airlines,Delta

Alaska Airlines,Delta

Sunday

Alaska Airlines,Delta

Alaska Airlines,Delta

See more nonstop flights

More options for your flight from Detroit to Seattle

Complete your trip to Seattle with a hotel stay or car rental