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Flights from Detroit to Seattle

Find cheap airlines flights from Detroit to Seattle

Choose from 4 carriers that fly from Detroit to Seattle, including Delta Air Lines, Alaska Airlines, and Hawaiian Airlines. Enjoy the cheapest tickets on this route with Hawaiian Airlines.
Delta Air Lines logo Delta Air Lines Alaska Airlines logo Alaska Airlines Hawaiian Airlines logo Hawaiian Airlines Frontier Airlines logo Frontier Airlines

Book direct flights from Detroit to Seattle: One way flights from $106, round trip flights from $170. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        DTW 5:15 PM
        5h 20m
        Nonstop
        SEA 7:35 PM
        Detroit - Seattle | Fri, Jan 9 | Hawaiian Airlines
        SEA 9:02 AM
        4h 17m
        Nonstop
        DTW 4:19 PM
        Seattle - Detroit | Sun, Jan 11 | Hawaiian Airlines
        $170 $269
        37% OFF
        37% OFF
        $269 $170
      • DTW 12:15 PM
        5h 9m
        Nonstop
        SEA 2:24 PM
        Detroit - Seattle | Fri, Jan 9 | Delta Air Lines
        SEA 11:05 PM
        4h 23m
        Nonstop
        DTW 6:28 AM
        Seattle - Detroit | Sun, Jan 11 | Delta Air Lines
        $171 $269
        36% OFF
        36% OFF
        $269 $171
      • DTW 5:15 PM
        5h 20m
        Nonstop
        SEA 7:35 PM
        Detroit - Seattle | Fri, Jan 9 | Alaska Airlines
        SEA 9:02 AM
        4h 17m
        Nonstop
        DTW 4:19 PM
        Seattle - Detroit | Sun, Jan 11 | Alaska Airlines
        $171 $269
        36% OFF
        36% OFF
        $269 $171
      • DTW 5:15 PM
        5h 20m
        Nonstop
        SEA 7:35 PM
        Detroit - Seattle | Wed, Jan 21 | Hawaiian Airlines
        SEA 9:02 AM
        4h 17m
        Nonstop
        DTW 4:19 PM
        Seattle - Detroit | Sat, Jan 24 | Hawaiian Airlines
        $189
        30% OFF
        $269 $189
      • DTW 5:15 PM
        5h 20m
        Nonstop
        SEA 7:35 PM
        Detroit - Seattle | Wed, Jan 21 | Alaska Airlines
        SEA 9:02 AM
        4h 17m
        Nonstop
        DTW 4:19 PM
        Seattle - Detroit | Sat, Jan 24 | Alaska Airlines
        $191
        28% OFF
        $269 $191
      • DTW 8:30 AM
        5h 12m
        Nonstop
        SEA 10:42 AM
        Detroit - Seattle | Wed, Jan 21 | Delta Air Lines
        SEA 11:10 PM
        4h 20m
        Nonstop
        DTW 6:30 AM
        Seattle - Detroit | Sat, Jan 24 | Delta Air Lines
        $192
        28% OFF
        $269 $192
      • DTW 5:15 PM
        5h 20m
        Nonstop
        SEA 7:35 PM
        Detroit - Seattle | Wed, Jan 14 | Hawaiian Airlines
        SEA 9:02 AM
        4h 17m
        Nonstop
        DTW 4:19 PM
        Seattle - Detroit | Sat, Jan 17 | Hawaiian Airlines
        $212
        21% OFF
        $269 $212
      • DTW 5:15 PM
        5h 20m
        Nonstop
        SEA 7:35 PM
        Detroit - Seattle | Wed, Jan 14 | Alaska Airlines
        SEA 9:02 AM
        4h 17m
        Nonstop
        DTW 4:19 PM
        Seattle - Detroit | Sat, Jan 17 | Alaska Airlines
        $212
        21% OFF
        $269 $212
      • DTW 1:08 PM
        8h 56m
        1 stop
        SEA 7:04 PM
        Detroit - Seattle | Fri, Jan 9 | American Airlines
        SEA 9:45 PM
        9h 55m
        1 stop
        DTW 10:40 AM
        Seattle - Detroit | Sun, Jan 11 | American Airlines
        $198
        26% OFF
        $269 $198
      • DTW 12:23 PM
        11h 25m
        1 stop
        SEA 8:48 PM
        Detroit - Seattle | Thu, Dec 18 | Delta Air Lines
        SEA 10:57 PM
        4h 19m
        Nonstop
        DTW 6:16 AM
        Seattle - Detroit | Wed, Dec 24 | Delta Air Lines
        $211
        22% OFF
        $269 $211
      • DTT 1:00 PM
        17h 25m
        1 stop
        SEA Invalid Date
        Detroit - Seattle | Tue, Dec 16 | Normal Airline
        SEA 3:00 PM
        6h
        Nonstop
        DTT 4:00 PM
        Seattle - Detroit | Thu, Dec 18 | Normal Airline
        Find More Flights
        Find More Flights
      • Cheapest nonstop
        DTW 5:15 PM
        5h 20m
        Nonstop
        SEA 7:35 PM
        Detroit - Seattle | Fri, Feb 6 | Hawaiian Airlines
        $106 $139
        23% OFF
        23% OFF
        $139 $106
      • DTW 5:15 PM
        5h 20m
        Nonstop
        SEA 7:35 PM
        Detroit - Seattle | Fri, Feb 6 | Alaska Airlines
        $109 $139
        22% OFF
        22% OFF
        $139 $109
      • DTW 5:15 PM
        5h 20m
        Nonstop
        SEA 7:35 PM
        Detroit - Seattle | Mon, Jan 12 | Hawaiian Airlines
        $109 $139
        22% OFF
        22% OFF
        $139 $109
      • DTW 5:15 PM
        5h 20m
        Nonstop
        SEA 7:35 PM
        Detroit - Seattle | Mon, Jan 12 | Alaska Airlines
        $110
        21% OFF
        $139 $110
      • DTW 6:00 AM
        9h 1m
        1 stop
        SEA 12:01 PM
        Detroit - Seattle | Thu, Feb 12 | Frontier Airlines
        $79
        43% OFF
        $139 $79
      • DTW 6:00 AM
        13h 29m
        1 stop
        SEA 4:29 PM
        Detroit - Seattle | Mon, Jan 12 | Frontier Airlines
        $86
        38% OFF
        $139 $86
      • DTW 9:00 AM
        15h 53m
        1 stop
        SEA 9:53 PM
        Detroit - Seattle | Tue, Jan 27 | Frontier Airlines
        $87
        37% OFF
        $139 $87
      • DTW 9:02 AM
        14h 47m
        1 stop
        SEA 8:49 PM
        Detroit - Seattle | Wed, Jan 7 | Spirit Airlines
        $92
        34% OFF
        $139 $92
      • DTW 8:00 AM
        10h 32m
        1 stop
        SEA 3:32 PM
        Detroit - Seattle | Wed, Jan 14 | Frontier Airlines
        $94
        33% OFF
        $139 $94
      • DTW 8:00 AM
        15h 49m
        1 stop
        SEA 8:49 PM
        Detroit - Seattle | Wed, Jan 7 | Frontier Airlines
        $107
        23% OFF
        $139 $107
      • DTT 1:00 PM
        17h 25m
        1 stop
        SEA Invalid Date
        Detroit - Seattle | Tue, Dec 16 | Normal Airline
        Find More Flights
        Find More Flights

Displayed flight fares from Detroit to Seattle are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Detroit to Seattle

The distance between Detroit and Seattle is approximately 3,109.56 km. It takes around 5 hours 7 minutes on average to fly from Detroit to Seattle. Based on Trip.com's data travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight price$79
Cheapest round-trip ticket price$170
Off-season for travelNovember
Peak season for travelJuly
Flight distance3,109.56 km
Average flight time5 hours 7 minutes
Popular airlineDelta Air Lines

When is the cheapest time to fly from Detroit to Seattle?

The cheapest time for Detroit to Seattle flights: Feb 8 to Feb 15 — one way flight prices from $79.

Cheapest flights
From price
Search
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
  • 18
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Detroit to Seattle, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • What are the cheapest flights from Detroit to Seattle (DTT-SEA)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as $79 on Cheapest nonstop routes (e.g. DTW to SEA on Thu, Feb 12), while Hawaiian Airlines offers Cheapest nonstop round-trips from $170 departing on Fri, Jan 9 and returning on Sun, Jan 11.
  • At the moment, you can catch a nonstop flight from Detroit to Seattle with the following airlines, including: Delta Air Lines Alaska Airlines Hawaiian Airlines Frontier Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 5 hours 7 minutes to fly from Detroit (DTT) to Seattle (SEA).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Detroit to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 37 flight per week flying from Detroit to Seattle. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL944 (17:30) Delta Air Lines: S/M/T/W/T/F/S -- DL734 (08:39)
  • To find best deals on flights from Detroit to Seattle, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Feb 12, with one-way flights priced at just $79.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Hawaiian Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Seattle travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Detroit to Seattle is November, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Detroit to Seattle on December 16, 2025 with Delta Air Lines, with prices starting at $121.
  • You can land at any one of the following hubs in Seattle, with Detroit Metropolitan Wayne County Airport to Seattle–Tacoma International Airport (DTW-SEA) is by far the most common option on this route: Seattle–Tacoma International Airport (SEA) King County (Boeing Field) International Airport (BFI) Kenmore Air - Lake Union (LKE).
  • The time difference between Seattle and Detroit is 3h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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