How long is the flight from Detroit to Seattle?

Departing from Detroit to Seattle will take you 5h 12m. There are 1920 mi between Detroit and Seattle. Generally, flights for this route are nonstop.

What are the cheapest airlines flying from Detroit to Seattle round-trip?

Frontier, at $110, was found to be the cheapest airline from Detroit to Seattle.Alternate airlines to your destination round-trip include Spirit Airlines and Sun Country Air. These flights start at 70% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Detroit to Seattle one-way?

For one-way options, check prices for Southwest. According to our data, you can fly for as low as $92. Users have also found prices from $102 and $117 on Frontier and Spirit Airlines, respectively.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

What are the cheapest flights from Detroit to Seattle?

Looking at all options, your cheapest flight can be booked for $119. While the most popular route (Detroit Metropolitan Wayne County - Seattle/Tacoma Intl) can be booked for $158 on average, our data indicates $784 when flying from Detroit to Seattle.

What are the most reliable airlines from Detroit to Seattle?

No one likes to see their flight delayed. When booking a flight from Detroit to Seattle consider choosing Air France (91%), Korean Air (87%) or Air Tahiti Nui (84%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Detroit to Seattle?

When booking a flight from Detroit to Seattle, you may want to consider flying on Delta, Alaska Airlines or Hawaiian Airlines as they are the most popular for this route.

Most accurate provider : When it comes to deals on Detroit-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Detroit-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Detroit-Seattle flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Detroit-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airports do I use to fly from Detroit to Seattle?

If you wish to fly to Seattle from Detroit, then you need to book flights from Detroit All airports to Seattle/Tacoma Intl. There are 9 flights from All airports (DTT) to Seattle/Tacoma Intl (SEA) per day to choose from. Flights to Seattle from All airports are available from 9 different airlines, which means you should have some options if you want to compare airfare deals. 4h 55m is how long a nonstop flight from Detroit to Seattle/Tacoma Intl typically takes.

Can I find deals for flights from Detroit to Seattle that include hotel bookings?

Yes. In addition to deals on Detroit to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Detroit to Seattle?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Seattle.

Can I find deals for business class flights from Detroit to Seattle?

Yes. Cheapflights offers flight deals from Detroit to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$68+ Flights from Detroit to Seattle

Q: How much does it cost to fly round-trip from Detroit to Seattle?

Airfare is below average for this route at the moment. Detroit to Seattle flights typically cost between $249 and $452 in January. The cheapest round-trip price found within the last 3 days was $199 on Delta (Jan 15-Jan 20).

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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Detroit All airports to Seattle/Tacoma Intl are usually found in February or March, booked 48 days in advance, depart on a Friday or Wednesday and return on a Wednesday

Cheap flight deals from Detroit to Seattle

Cheapest flights from Detroit to Seattle
Explore the most affordable flight options available from Detroit to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Wed 12/2412:20 pmDTW - SEA

1 stop27h 10mFrontier

Sun 1/42:54 pmSEA - DTW

1 stop17h 31mFrontier

Deal found 12/14

$367

Wed 12/2412:20 pmDTW - SEA

1 stop27h 10mMultiple Airlines

Sun 1/410:01 pmSEA - DTW

Nonstop4h 19mMultiple Airlines

Deal found 12/14

$385

Mon 12/228:18 pmDTW - SEA

Nonstop5h 07mDelta

Wed 1/76:05 amSEA - DTW

Nonstop4h 16mDelta

Deal found 12/15

$397

Tue 12/2310:01 pmDTW - SEA

1 stop17h 29mFrontier

Sun 1/42:54 pmSEA - DTW

1 stop17h 31mFrontier

Deal found 12/14

$413

Mon 12/225:07 amDTW - SEA

1 stop8h 52mAmerican Airlines

Mon 1/510:13 pmSEA - DTW

1 stop9h 33mAmerican Airlines

Deal found 12/14

$426

Mon 12/2212:20 pmDTW - SEA

2 stops28h 34mMultiple Airlines

Mon 1/57:48 pmSEA - DTW

1 stop19h 39mMultiple Airlines

Deal found 12/14

$430

Mon 12/297:50 amDTW - SEA

1 stop29h 21mFrontier

Mon 1/56:33 pmSEA - DTW

1 stop9h 21mFrontier

Deal found 12/14

$441

Tue 12/236:40 amDTW - SEA

Nonstop5h 09mAlaska Airlines

Sun 1/410:01 pmSEA - DTW

Nonstop4h 19mAlaska Airlines

Deal found 12/14

$447

Mon 12/297:50 amDTW - SEA

1 stop29h 21mFrontier

Sun 1/42:54 pmSEA - DTW

1 stop17h 31mFrontier

Deal found 12/14

$452

Best flights from Detroit to Seattle
Discover carefully curated flight deals from Detroit to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.

Thu 1/158:30 amDTW - SEA

Nonstop5h 12mDelta

Tue 1/2711:10 pmSEA - DTW

Nonstop4h 20mDelta

Deal found 12/14

$199

Fri 2/135:22 pmDTW - SEA

Nonstop5h 13mAlaska Airlines

Tue 2/179:12 amSEA - DTW

Nonstop4h 14mAlaska Airlines

Deal found 12/14

$199

Fri 1/235:15 pmDTW - SEA

Nonstop5h 20mAlaska Airlines

Mon 1/269:02 amSEA - DTW

Nonstop4h 17mAlaska Airlines

Deal found 12/15

$199

Sun 2/154:59 pmDTW - SEA

Nonstop5h 01mDelta

Sun 2/226:00 amSEA - DTW

Nonstop4h 11mDelta

Deal found 12/15

$199

Fri 2/67:45 pmDTW - SEA

Nonstop5h 04mDelta

Tue 2/1011:10 pmSEA - DTW

Nonstop4h 20mDelta

Deal found 12/14

$199

Thu 1/295:15 pmDTW - SEA

Nonstop5h 20mAlaska Airlines

Wed 2/49:02 amSEA - DTW

Nonstop4h 17mAlaska Airlines

Deal found 12/15

$199

Thu 1/227:45 pmDTW - SEA

Nonstop5h 04mDelta

Mon 1/2611:10 pmSEA - DTW

Nonstop4h 20mDelta

Deal found 12/13

$199

Fri 1/95:15 pmDTW - SEA

Nonstop5h 20mAlaska Airlines

Tue 1/139:02 amSEA - DTW

Nonstop4h 17mAlaska Airlines

Deal found 12/15

$199

Fri 2/274:59 pmDTW - SEA

Nonstop5h 01mDelta

Mon 3/211:15 pmSEA - DTW

Nonstop4h 15mDelta

Deal found 12/15

$199

Tue 3/107:50 pmDTW - SEA

Nonstop4h 58mDelta

Wed 3/189:52 amSEA - DTW

Nonstop4h 15mDelta

Deal found 12/15

$199

Tue 3/312:19 pmDTW - SEA

Nonstop5h 01mDelta

Sun 3/85:55 pmSEA - DTW

1 stop8h 05mDelta

Deal found 12/14

$209

Last-minute flights from Detroit to Seattle
Discover last-minute flight deals from Detroit to Seattle. Data last updated December 16, 2025 and is based on user searches.

Tue 1/67:51 amDTW - SEA

1 stop13h 00mMultiple Airlines

Thu 1/299:02 amSEA - DTW

Nonstop4h 17mMultiple Airlines

Deal found 12/15

$222

Thu 1/84:43 pmDTW - SEA

1 stop21h 38mMultiple Airlines

Sun 1/1810:51 amSEA - DTW

1 stop14h 39mMultiple Airlines

Deal found 12/14

$204

Fri 1/91:08 pmDTW - SEA

1 stop8h 56mAmerican Airlines

Tue 1/138:35 amSEA - DTW

1 stop9h 09mAmerican Airlines

Deal found 12/15

$218

Mon 1/126:00 amDTW - SEA

1 stop13h 29mFrontier

Thu 1/1512:59 pmSEA - DTW

1 stop8h 05mFrontier

Deal found 12/15

$203

Mon 1/126:00 amDTW - SEA

1 stop13h 29mFrontier

Mon 1/1912:59 pmSEA - DTW

1 stop8h 05mFrontier

Deal found 12/15

$210

Wed 1/1412:30 pmDTW - SEA

1 stop10h 04mDelta

Wed 1/217:15 amSEA - DTW

1 stop9h 00mDelta

Deal found 12/15

$219

Thu 1/158:30 amDTW - SEA

Nonstop5h 12mDelta

Fri 1/236:05 amSEA - DTW

Nonstop4h 16mDelta

Deal found 12/15

$199

Thu 1/157:00 amDTW - SEA

1 stop6h 55mDelta

Sat 1/246:05 amSEA - DTW

Nonstop4h 16mDelta

Deal found 12/15

$209

Thu 1/157:22 pmDTW - SEA

2 stops17h 14mFrontier

Sun 1/2512:34 pmSEA - DTW

1 stop24h 45mFrontier

Deal found 12/14

$211

Thu 1/157:22 pmDTW - SEA

2 stops17h 14mFrontier

Thu 1/2212:34 pmSEA - DTW

1 stop24h 45mFrontier

Deal found 12/14

$215

Fri 1/1612:19 pmDTW - SEA

1 stop29h 24mFrontier

Mon 1/1912:59 pmSEA - DTW

1 stop8h 05mFrontier

Deal found 12/14

$214

Fri 1/1612:19 pmDTW - SEA

2 stops27h 28mMultiple Airlines

Sat 1/2412:54 pmSEA - DTW

1 stop12h 36mMultiple Airlines

Deal found 12/14

$225

One-way flights from Detroit to Seattle
Search for one-way flight options from Detroit to Seattle. Find affordable one-way fares based on user searches. Data last updated December 16, 2025.

Sat 1/175:40 pmDTW - SEA

1 stop25h 48mFrontier

Deal found 12/15

$68

Wed 2/117:11 pmDTW - SEA

1 stop16h 02mFrontier

Deal found 12/14

$80

Fri 1/1612:19 pmDTW - SEA

1 stop29h 24mFrontier

Deal found 12/15

$85

Mon 1/126:00 amDTW - SEA

1 stop13h 29mFrontier

Deal found 12/15

$93

Thu 1/1512:19 pmDTW - SEA

1 stop25h 50mFrontier

Deal found 12/15

$97

Wed 1/148:00 amDTW - SEA

2 stops30h 09mFrontier

Deal found 12/15

$100

Sat 1/1011:00 amDTW - SEA

2 stops25h 04mMultiple Airlines

Deal found 12/14

$104

Wed 1/147:20 pmDTW - SEA

1 stop27h 31mMultiple Airlines

Deal found 12/15

$108

Tue 1/131:00 pmDTW - SEA

1 stop7h 50mSouthwest

Deal found 12/14

$110

Sun 2/156:00 amDTW - SEA

1 stop8h 19mFrontier

Deal found 12/15

$113

Sun 3/810:27 pmDTW - SEA

1 stop15h 52mFrontier

Deal found 12/14

$115

Tue 1/135:15 pmDTW - SEA

Nonstop5h 20mAlaska Airlines

Deal found 12/14

$119

Find flight deals from Detroit to Seattle

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$199 (Delta)
One-way from	$68 (Kiwi.com)
Popular in	October
Cheapest in	February
Average price	$367
Good round-trip deal	$338 or less
Good one-way deal	$233 or less

Provider with most accurate pricing for Detroit (DTT)-Seattle/Tacoma Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Detroit (DTT)-Seattle/Tacoma Intl flights.

Search Deals

From Detroit (DTT) to Seattle/Tacoma Intl

Search Deals

One-way flight from Detroit (DTT) to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($19 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Detroit (DTT) to Seattle/Tacoma Intl.

Search Deals

Price to beat on a one-way flight from Detroit (DTT) to Seattle/Tacoma Intl.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 1/15

8:30 am-10:42 am

Nonstop5h 12m

Seattle/Tacoma Intl

Tue 1/27

11:10 pm-6:30 am

Nonstop4h 20m

$199

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 2/13

5:22 pm-7:35 pm

Nonstop5h 13m

Seattle/Tacoma Intl

Tue 2/17

9:12 am-4:26 pm

Nonstop4h 14m

$199

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 1/23

5:15 pm-7:35 pm

Nonstop5h 20m

Seattle/Tacoma Intl

Mon 1/26

9:02 am-4:19 pm

Nonstop4h 17m

$199

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sun 2/15

4:59 pm-7:00 pm

Nonstop5h 01m

Seattle/Tacoma Intl

Sun 2/22

6:00 am-1:11 pm

Nonstop4h 11m

$199

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 2/6

7:45 pm-9:49 pm

Nonstop5h 04m

Seattle/Tacoma Intl

Tue 2/10

11:10 pm-6:30 am

Nonstop4h 20m

$199

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 1/29

5:15 pm-7:35 pm

Nonstop5h 20m

Seattle/Tacoma Intl

Wed 2/4

9:02 am-4:19 pm

Nonstop4h 17m

$199

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 1/22

7:45 pm-9:49 pm

Nonstop5h 04m

Seattle/Tacoma Intl

Mon 1/26

11:10 pm-6:30 am

Nonstop4h 20m

$199

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 1/9

5:15 pm-7:35 pm

Nonstop5h 20m

Seattle/Tacoma Intl

Tue 1/13

9:02 am-4:19 pm

Nonstop4h 17m

$199

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 2/27

4:59 pm-7:00 pm

Nonstop5h 01m

Seattle/Tacoma Intl

Mon 3/2

11:15 pm-6:30 am

Nonstop4h 15m

$199

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 3/10

7:50 pm-9:48 pm

Nonstop4h 58m

Seattle/Tacoma Intl

Wed 3/18

9:52 am-5:07 pm

Nonstop4h 15m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 21 results

Compare providers for flights from Detroit to Seattle

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to Seattle in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Detroit-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Detroit-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Detroit-Seattle flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Detroit-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Detroit to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Detroit with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Detroit to Seattle

How far ahead should I book a flight from Detroit to Seattle?

The price you pay for your flight from Detroit to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Detroit to Seattle?

Currently, April is the cheapest month in which you can book a flight from Detroit to Seattle (average of $164). Flying from Detroit to Seattle in August is currently the most expensive (average of $264). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DTT to SEA?

It’s optimal to fly from Detroit to Seattle at noon. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Detroit to Seattle?

Travelers seeking maximum savings on their Detroit to Seattle flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Detroit to Seattle

The most flights from DTT to SEA are scheduled on a Monday (13 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Detroit to Seattle?

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Detroit to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

11,453 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Alaska Airlines

8.0

Very good

11,453 reviews

Alaska Airlines

8.0

Very good

11,453 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Delta

7.9

Good

8,008 reviews

Alaska Airlines

8.0

Very good

11,453 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Hawaiian Airlines

7.8

Good

2,819 reviews

Alaska Airlines

8.0

Very good

11,453 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

American Airlines

7.2

Good

11,048 reviews

Alaska Airlines

8.0

Very good

11,453 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Frontier

5.8

Fair

3,081 reviews

Alaska Airlines

8.0

Very good

11,453 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

What airports do I use to fly from Detroit to Seattle?
If you wish to fly to Seattle from Detroit, then you need to book flights from Detroit All airports to Seattle/Tacoma Intl. There are 9 flights from All airports (DTT) to Seattle/Tacoma Intl (SEA) per day to choose from. Flights to Seattle from All airports are available from 9 different airlines, which means you should have some options if you want to compare airfare deals. 4h 55m is how long a nonstop flight from Detroit to Seattle/Tacoma Intl typically takes.
How long is the flight from Detroit to Seattle?
Departing from Detroit to Seattle will take you 5h 12m. There are 1920 mi between Detroit and Seattle. Generally, flights for this route are nonstop.
What are the cheapest airlines flying from Detroit to Seattle round-trip?
Frontier, at $110, was found to be the cheapest airline from Detroit to Seattle.Alternate airlines to your destination round-trip include Spirit Airlines and Sun Country Air. These flights start at 70% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Detroit to Seattle one-way?
For one-way options, check prices for Southwest. According to our data, you can fly for as low as $92. Users have also found prices from $102 and $117 on Frontier and Spirit Airlines, respectively.
What are the most reliable airlines from Detroit to Seattle?
No one likes to see their flight delayed. When booking a flight from Detroit to Seattle consider choosing Air France (91%), Korean Air (87%) or Air Tahiti Nui (84%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Detroit to Seattle?
Looking at all options, your cheapest flight can be booked for $119. While the most popular route (Detroit Metropolitan Wayne County - Seattle/Tacoma Intl) can be booked for $158 on average, our data indicates $784 when flying from Detroit to Seattle.
Can I find deals for flights from Detroit to Seattle that include hotel bookings?
Yes. In addition to deals on Detroit to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Detroit to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Seattle.
Can I find deals for business class flights from Detroit to Seattle?
Yes. Cheapflights offers flight deals from Detroit to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Detroit to Seattle?
Currently, April is the cheapest month in which you can book a flight from Detroit to Seattle (average of $164). Flying from Detroit to Seattle in August is currently the most expensive (average of $264). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Other flights to Seattle

Top 9 airlines flying from Detroit to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$128	Average$264	FlexibilityNo cancel fee	On-time65%
Sun Country Air	Cheapest$133	Average$322	FlexibilityNo cancel fee	On-time83%
Frontier	Cheapest$151	Average$256	FlexibilityNo cancel fee	On-time62%
Hawaiian Airlines	Cheapest$178	Average$367	FlexibilityNo cancel fee	On-time85%
American Airlines	Cheapest$200	Average$409	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$222	Average$386	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$240	Average$359	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$250	Average$411	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$254	Average$395	FlexibilityNo cancel fee	On-time75%

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$68+ Cheap flights from Detroit to Seattle (DTT - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/17. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Detroit All airports to Seattle/Tacoma Intl are usually found in February or March, booked 48 days in advance, depart on a Friday or Wednesday and return on a Wednesday

Cheap flight deals from Detroit to Seattle

Cheapest flights from Detroit to SeattleExplore the most affordable flight options available from Detroit to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Explore the most affordable flight options available from Detroit to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Find flight deals from Detroit to Seattle

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Compare providers for flights from Detroit to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to Seattle in December.

Best time to book a flight from Detroit to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Detroit with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Detroit to Seattle

How far ahead should I book a flight from Detroit to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Detroit to Seattle. Price data was last updated on December 12, 2025.

What is the cheapest month to book a flight from Detroit to Seattle?

What is the cheapest time of day to fly from DTT to SEA?

Find hourly flight availability from Detroit to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

What is the cheapest day to fly from Detroit to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Detroit to Seattle. Price data was last updated on December 13, 2025.

Weekly flight availability from Detroit to Seattle

Explore weekly flight availability from Detroit to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 16, 2025.

How much does it cost to fly round-trip from Detroit to Seattle?

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Detroit to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Detroit to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Detroit to Seattle?

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What are the cheapest airlines flying from Detroit to Seattle round-trip?

What are the cheapest airlines to fly from Detroit to Seattle one-way?

What are the most reliable airlines from Detroit to Seattle?

What are the cheapest flights from Detroit to Seattle?

Can I find deals for flights from Detroit to Seattle that include hotel bookings?

How can I find direct flights from Detroit to Seattle?

Can I find deals for business class flights from Detroit to Seattle?

What is the cheapest month to book a flight from Detroit to Seattle?

Traveling to a place near Seattle?

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Alternative routes for Detroit to Seattle

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Top 9 airlines flying from Detroit to Seattle

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Cheapest flights from Detroit to Seattle
Explore the most affordable flight options available from Detroit to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.