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

Flying on Frontier is currently your cheapest option to Detroit, with prices starting at $208. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and Sun Country Air, with the lowest prices starting at $211 and $320, respectively. Frontier is currently priced 46% below the average price you’ll pay for this route.

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

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $151. Alaska Airlines flights start at $159 while deals on Frontier start at $171 one-way.

What are the cheapest flights from Seattle to Detroit?

Looking at all options, your cheapest flight can be booked for $126. While the most popular route (Seattle/Tacoma Intl - Detroit Metropolitan Wayne County) can be booked for $165 on average our data indicates $776 when flying from Seattle to Detroit.

What are the most reliable airlines from Seattle to Detroit?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Detroit on time: Hawaiian Airlines (96%), American Airlines (95%), Japan Airlines (95%).

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

The most popular airlines flying from Seattle to Detroit are American Airlines, Alaska Airlines and Delta. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Seattle to Detroit?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Detroit. Check prices with Cheapflights to find a great deal for your trip.

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

To save up to 26% on this flight, we recommend booking at least 59 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to Detroit from $351 1-2 weeks out and tickets from $549 for flights departing within the next 72 hours.

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

January is one of the best times of the year to fly to Detroit from Seattle. Prices for January average $390 per person but you can even find prices for as low as $157. The most expensive prices can be found in the month of December. Opting for a January flight can save you 26% on your journey compared to booking in December

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

Most trusted provider : When it comes to deals on Seattle-Detroit 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 Seattle-Detroit 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 Seattle to Detroit?

Detroit All airports is the airport most travelers will use when flying to Detroit from Seattle/Tacoma Intl. Booking flights from Seattle/Tacoma Intl (SEA) to All airports (DTT) should be relatively easy as there are 11 daily flights to Detroit from 7 different airlines. 4h 10m is how long a flight from Seattle to Detroit All airports will take if you book a nonstop flight.

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

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

How can I find direct flights from Seattle to Detroit?

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

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

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

$151+ Flights from Seattle to Detroit

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Seattle to Detroit with Cheapflights

1. Tell us where you want to go

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

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Detroit All airports are usually found in January or May, booked 58 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Seattle to Detroit

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$208 (CheapOair)
One-way from	$151 (FlightHub)
Popular in	December
Cheapest in	January
Average price	$349
Good round-trip deal	$345 or less
Good one-way deal	$185 or less

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

Search Deals

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

Search Deals

From Seattle/Tacoma Intl to Detroit (DTT)

Search Deals

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

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($26 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 April 2025

Search Deals

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

Search Deals

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

Search Deals

Find flight deals from Seattle to Detroit

Cheapest flights from Seattle to Detroit
Explore the most affordable flight options available from Seattle to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Thu 5/86:00 amSEA - DTW

1 stop28h 28mFrontier

Mon 5/122:28 pmDTW - SEA

1 stop13h 16mFrontier

Deal found 4/14

$208

Thu 6/53:20 pmSEA - DTW

1 stop11h 03mSpirit Airlines

Mon 6/97:59 pmDTW - SEA

1 stop21h 26mSpirit Airlines

Deal found 4/14

$211

Mon 4/282:30 pmSEA - DTW

1 stop12h 23mMultiple Airlines

Tue 5/68:00 amDTW - SEA

1 stop10h 20mMultiple Airlines

Deal found 4/14

$218

Thu 6/1211:59 pmSEA - DTW

1 stop7h 14mSun Country Air

Fri 6/2011:15 amDTW - SEA

1 stop14h 35mSun Country Air

Deal found 4/14

$310

Sat 5/107:24 amSEA - DTW

1 stop8h 04mDelta

Sat 5/178:25 pmDTW - SEA

Nonstop4h 58mDelta

Deal found 4/13

$327

Sat 6/79:45 pmSEA - DTW

Nonstop4h 29mHawaiian Airlines

Fri 6/137:00 amDTW - SEA

Nonstop4h 57mHawaiian Airlines

Deal found 4/15

$337

Thu 8/289:45 pmSEA - DTW

Nonstop4h 24mAlaska Airlines

Wed 9/34:21 pmDTW - SEA

Nonstop4h 54mAlaska Airlines

Deal found 4/14

$367

Fri 5/212:59 amSEA - DTW

1 stop10h 30mAmerican Airlines

Tue 5/65:30 amDTW - SEA

1 stop10h 17mAmerican Airlines

Deal found 4/15

$376

Best flights from Seattle to Detroit
Discover carefully curated flight deals from Seattle to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 15, 2025.

Thu 5/86:00 amSEA - DTW

1 stop28h 28mFrontier

Mon 5/122:28 pmDTW - SEA

1 stop13h 16mFrontier

Deal found 4/14

$208

Thu 6/53:20 pmSEA - DTW

1 stop11h 03mSpirit Airlines

Mon 6/97:59 pmDTW - SEA

1 stop21h 26mSpirit Airlines

Deal found 4/14

$211

Mon 4/282:30 pmSEA - DTW

1 stop12h 23mMultiple Airlines

Sat 5/38:00 amDTW - SEA

1 stop10h 20mMultiple Airlines

Deal found 4/14

$218

Sun 6/811:59 pmSEA - DTW

1 stop7h 14mSun Country Air

Sun 6/157:00 pmDTW - SEA

1 stop6h 50mSun Country Air

Deal found 4/14

$320

Sat 5/106:00 amSEA - DTW

1 stop6h 29mDelta

Sat 5/175:59 pmDTW - SEA

Nonstop4h 56mDelta

Deal found 4/14

$327

Sat 6/79:45 pmSEA - DTW

Nonstop4h 29mAlaska Airlines

Sun 6/157:00 amDTW - SEA

Nonstop4h 57mAlaska Airlines

Deal found 4/14

$337

Thu 5/299:45 pmSEA - DTW

Nonstop4h 29mHawaiian Airlines

Sun 6/17:00 amDTW - SEA

Nonstop4h 55mHawaiian Airlines

Deal found 4/14

$357

Wed 4/3012:59 amSEA - DTW

1 stop10h 23mAmerican Airlines

Tue 5/65:30 amDTW - SEA

1 stop10h 17mAmerican Airlines

Deal found 4/14

$376

Last-minute flights from Seattle to Detroit
Discover last-minute flight deals from Seattle to Detroit. Data last updated April 15, 2025 and is based on user searches.

Sun 4/209:12 amSEA - DTW

2 stops30h 10mFrontier

Thu 4/242:39 pmDTW - SEA

1 stop13h 05mFrontier

Deal found 4/14

$382

Mon 4/218:56 pmSEA - DTW

1 stop12h 02mMultiple Airlines

Mon 5/192:28 pmDTW - SEA

1 stop13h 16mMultiple Airlines

Deal found 4/14

$236

Mon 4/218:56 pmSEA - DTW

1 stop12h 02mSpirit Airlines

Mon 5/199:50 pmDTW - SEA

2 stops29h 20mSpirit Airlines

Deal found 4/14

$260

Mon 4/218:45 amSEA - DTW

Nonstop4h 19mAlaska Airlines

Mon 5/197:00 amDTW - SEA

Nonstop4h 55mAlaska Airlines

Deal found 4/14

$462

Mon 4/217:10 amSEA - DTW

1 stop9h 34mDelta

Mon 5/195:59 pmDTW - SEA

Nonstop4h 56mDelta

Deal found 4/14

$472

Fri 4/2512:59 amSEA - DTW

1 stop10h 30mAmerican Airlines

Tue 4/296:27 amDTW - SEA

1 stop9h 16mAmerican Airlines

Deal found 4/14

$542

Fri 4/257:17 pmSEA - DTW

2 stops14h 51mUnited Airlines

Mon 4/284:04 pmDTW - SEA

2 stops9h 56mUnited Airlines

Deal found 4/14

$625

Mon 4/282:30 pmSEA - DTW

1 stop12h 23mMultiple Airlines

Tue 5/68:00 amDTW - SEA

1 stop10h 20mMultiple Airlines

Deal found 4/14

$218

Thu 5/110:55 amSEA - DTW

1 stop8h 12mUnited Airlines

Wed 5/74:44 pmDTW - SEA

1 stop7h 18mUnited Airlines

Deal found 4/14

$417

Fri 5/212:59 amSEA - DTW

1 stop10h 30mAmerican Airlines

Tue 5/65:30 amDTW - SEA

1 stop10h 17mAmerican Airlines

Deal found 4/15

$376

Wed 5/76:00 amSEA - DTW

1 stop9h 54mSpirit Airlines

Mon 5/125:18 pmDTW - SEA

2 stops33h 52mSpirit Airlines

Deal found 4/14

$216

Thu 5/86:00 amSEA - DTW

1 stop28h 28mFrontier

Mon 5/122:28 pmDTW - SEA

1 stop13h 16mFrontier

Deal found 4/14

$208

One-way flights from Seattle to Detroit
Search for one-way flight options from Seattle to Detroit. Find affordable one-way fares based on user searches. Data last updated April 15, 2025.

Thu 5/223:20 pmSEA - DTW

2 stops14h 50mSpirit Airlines

Deal found 4/14

$151

Tue 5/138:55 amSEA - DTW

Nonstop4h 22mAlaska Airlines

Deal found 4/14

$159

Sat 6/216:25 amSEA - DTW

1 stop7h 31mFrontier

Deal found 4/14

$171

Thu 6/1911:59 pmSEA - DTW

1 stop7h 14mSun Country Air

Deal found 4/14

$173

Fri 6/277:15 pmSEA - DTW

1 stop12h 13mMultiple Airlines

Deal found 4/14

$182

Mon 5/269:45 pmSEA - DTW

Nonstop4h 29mHawaiian Airlines

Deal found 4/14

$183

Tue 7/1512:20 amSEA - DTW

1 stop20h 37mUnited Airlines

Deal found 4/14

$208

Fri 6/2710:35 amSEA - DTW

2 stops11h 30mSouthwest

Deal found 4/14

$245

Mon 4/2812:59 amSEA - DTW

1 stop10h 23mAmerican Airlines

Deal found 4/15

$259

Sat 9/1312:40 amSEA - DTW

1 stop7h 59mDelta

Deal found 4/14

$319

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Detroit that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 5/8

6:00 am-1:28 pm

1 stop28h 28m

Detroit Metropolitan Wayne County

Mon 5/12

2:28 pm-12:44 am

1 stop13h 16m

$208

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 6/5

3:20 pm-5:23 am

1 stop11h 03m

Detroit Metropolitan Wayne County

Mon 6/9

7:59 pm-2:25 pm

1 stop21h 26m

$211

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Mon 4/28

2:30 pm-5:53 am

1 stop12h 23m

Detroit Metropolitan Wayne County

Tue 5/6

8:00 am-3:20 pm

1 stop10h 20m

$218

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 6/12

11:59 pm-10:13 am

1 stop7h 14m

Detroit Metropolitan Wayne County

Fri 6/20

11:15 am-10:50 pm

1 stop14h 35m

$310

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Sat 5/10

6:00 am-3:29 pm

1 stop6h 29m

Detroit Metropolitan Wayne County

Sat 5/17

5:59 pm-7:55 pm

Nonstop4h 56m

$327

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Sat 6/7

9:45 pm-5:14 am

Nonstop4h 29m

Detroit Metropolitan Wayne County

Fri 6/13

7:00 am-8:57 am

Nonstop4h 57m

$337

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 8/28

9:45 pm-5:09 am

Nonstop4h 24m

Detroit Metropolitan Wayne County

Wed 9/3

4:21 pm-6:15 pm

Nonstop4h 54m

$367

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Fri 5/2

12:59 am-2:29 pm

1 stop10h 30m

Detroit Metropolitan Wayne County

Tue 5/6

5:30 am-12:47 pm

1 stop10h 17m

$376

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 5/22

3:20 pm-9:10 am

2 stops14h 50m

$151

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Tue 5/13

8:55 am-4:17 pm

Nonstop4h 22m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 18 results

Compare providers for flights from Seattle to Detroit

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

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
JustAirTicket	Price Accuracy-	Trust Score*3 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star

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

Have a flexible travel schedule? Discover the best time to fly to Detroit from Seattle 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 Seattle to Detroit

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

To ensure you get the cheapest price possible for a flight from Seattle to Detroit, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, April is the cheapest month in which you can book a flight from Seattle to Detroit (average of $257). Flying from Seattle to Detroit in March is currently the most expensive (average of $305). 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 SEA to DTT?

It’s typically best to fly out from Seattle to Detroit in the afternoon. Doing so could potentially save you 16% on the flight price compared to flying at noon, which is usually more expensive.

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

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

Weekly flight availability from Seattle to Detroit

The most flights from SEA to DTT are scheduled on a Monday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Detroit by month

In terms of precipitation, rainfall in Detroit ranges from 1.8 - 3.1 inches per month. August is typically the wettest month, when rainfall can reach 3.1 in. January is typically the driest time to visit Detroit when rainfall is around 1.8 in.

Temperature in Detroit by month

If weather is an important factor for your trip to Detroit, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Detroit

Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Seattle to Detroit by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Alaska Airlines

8.0

Very good

9,871 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Southwest

8.0

Very good

4,279 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Delta

8.0

Very good

7,916 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Hawaiian Airlines

7.9

Good

2,375 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

United Airlines

7.4

Good

8,656 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

What airports do I use to fly from Seattle to Detroit?
Detroit All airports is the airport most travelers will use when flying to Detroit from Seattle/Tacoma Intl. Booking flights from Seattle/Tacoma Intl (SEA) to All airports (DTT) should be relatively easy as there are 11 daily flights to Detroit from 7 different airlines. 4h 10m is how long a flight from Seattle to Detroit All airports will take if you book a nonstop flight.
What are the cheapest airlines flying from Seattle to Detroit round-trip?
Flying on Frontier is currently your cheapest option to Detroit, with prices starting at $208. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and Sun Country Air, with the lowest prices starting at $211 and $320, respectively. Frontier is currently priced 46% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Seattle to Detroit one-way?
To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $151. Alaska Airlines flights start at $159 while deals on Frontier start at $171 one-way.
What are the most reliable airlines from Seattle to Detroit?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Detroit on time: Hawaiian Airlines (96%), American Airlines (95%), Japan Airlines (95%).
What are the cheapest flights from Seattle to Detroit?
Looking at all options, your cheapest flight can be booked for $126. While the most popular route (Seattle/Tacoma Intl - Detroit Metropolitan Wayne County) can be booked for $165 on average our data indicates $776 when flying from Seattle to Detroit.
Can I find deals for flights from Seattle to Detroit that include hotel bookings?
Yes. In addition to deals on Seattle to Detroit flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Detroit?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Detroit.
Can I find deals for business class flights from Seattle to Detroit?
Yes. Cheapflights offers flight deals from Seattle to Detroit 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 Seattle to Detroit?
Currently, April is the cheapest month in which you can book a flight from Seattle to Detroit (average of $257). Flying from Seattle to Detroit in March is currently the most expensive (average of $305). 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.

See more FAQs

Port Huron

Roseville

Browse thousands of different options on Cheapflights for your next trip

Top 7 airlines flying from Seattle to Detroit

Airline	Cheapest	Average	Flexibility	On-time
Hawaiian Airlines	Cheapest$128	Average$367	FlexibilityNo cancel fee	On-time85%
Frontier	Cheapest$148	Average$205	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$148	Average$443	FlexibilityNo cancel fee	On-time71%
Spirit Airlines	Cheapest$177	Average$375	FlexibilityNo cancel fee	On-time65%
Alaska Airlines	Cheapest$235	Average$429	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$249	Average$425	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$301	Average$493	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$151+ Cheap flights from Seattle to Detroit (SEA - DTT)

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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Detroit with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Detroit All airports are usually found in January or May, booked 58 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Seattle to Detroit

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Seattle to Detroit

Cheapest flights from Seattle to DetroitExplore the most affordable flight options available from Seattle to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Explore the most affordable flight options available from Seattle to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Detroit that are best for you.

Compare providers for flights from Seattle to Detroit

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 Seattle to Detroit in April.

Best time to book a flight from Seattle to Detroit

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

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Detroit. Price data was last updated on April 11, 2025.

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

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

Find hourly flight availability from Seattle to Detroit. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Detroit. Price data was last updated on March 30, 2025.

Weekly flight availability from Seattle to Detroit

Explore weekly flight availability from Seattle to Detroit. 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 April 15, 2025.

Rainfall in Detroit by month

Plan your trip to Detroit by taking into account the average rainfall totals by month.

Temperature in Detroit by month

Plan your trip to Detroit by taking into account the average temperature totals by month.

Reviews of airlines servicing Detroit

Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Seattle to Detroit by reading reviews from past customers. Users have also rated airlines 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 Seattle to Detroit. 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 Seattle to Detroit?

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

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

What are the most reliable airlines from Seattle to Detroit?

What are the cheapest flights from Seattle to Detroit?

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

How can I find direct flights from Seattle to Detroit?

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

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

Traveling to a place near Seattle?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Detroit

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Seattle to Detroit

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Seattle to Detroit
Explore the most affordable flight options available from Seattle to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.