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$179+ Cheap flights from Dayton to Seattle (DAY - 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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — SEA
Mar 1 — Mar 81
Sun 3/1
Sun 3/8
1 adult, Economy
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Cheap flight deals from Dayton to Seattle

Cheapest flights from Dayton to Seattle
Explore the most affordable flight options available from Dayton to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2026.

This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:49 pm
DAY
-
SEA
1 stop7h 54m
United Airlines
Wed 3/48:17 am
SEA
-
DAY
1 stop8h 21m
United Airlines
Deal found 1/28$309
This American Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:35 pm
DAY
-
SEA
1 stop8h 04m
American Airlines
Wed 4/2911:16 am
SEA
-
DAY
1 stop7h 28m
American Airlines
Deal found 1/29$323
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:05 pm
DAY
-
SEA
1 stop7h 55m
United Airlines
Wed 4/298:45 am
SEA
-
DAY
2 stops11h 00m
United Airlines
Deal found 1/29$328
This American Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/125:35 pm
DAY
-
SEA
1 stop9h 49m
American Airlines
Thu 2/267:15 am
SEA
-
DAY
1 stop6h 50m
American Airlines
Deal found 1/29$334
This American Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/145:35 pm
DAY
-
SEA
1 stop9h 49m
American Airlines
Wed 3/1812:07 am
SEA
-
DAY
1 stop9h 04m
American Airlines
Deal found 1/29$337
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
DAY
-
SEA
1 stop8h 38m
United Airlines
Mon 6/111:52 pm
SEA
-
DAY
1 stop8h 12m
United Airlines
Deal found 1/29$353
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:05 pm
DAY
-
SEA
1 stop7h 41m
United Airlines
Sat 6/611:14 pm
SEA
-
DAY
1 stop7h 33m
United Airlines
Deal found 1/29$358
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:44 pm
DAY
-
SEA
2 stops21h 14m
Delta
Mon 5/189:20 pm
SEA
-
DAY
1 stop10h 05m
Delta
Deal found 1/27$377
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/116:00 am
DAY
-
SEA
1 stop11h 18m
Delta
Wed 2/256:15 am
SEA
-
DAY
1 stop8h 42m
Delta
Deal found 1/29$379

Find flight deals from Dayton to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Dayton (DAY) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(United Airlines)

One-way from

$179
(United Airlines)

Popular in

March

Cheapest in

January

Average price

$297
Provider with most accurate pricing for Dayton-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dayton-Seattle/Tacoma Intl flights.
Search Deals
From Dayton to Seattle/Tacoma Intl
Search Deals
One-way flight from Dayton to Seattle/Tacoma Intl
Search Deals
High demand for flights, 5% potential price rise
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 January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dayton to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 30, 2026.
Use the filters below to find and compare flights from Dayton to Seattle that are best for you.

Fly from

Dayton

Fly to

Seattle

Route

Depart

Return

Price

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Wed 2/25

5:37 pm-12:24 am

1 stop9h 47m

Seattle/Tacoma Intl

Wed 3/4

6:00 am-7:14 pm

1 stop10h 14m

$309

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Thu 4/23

6:35 pm-11:39 pm

1 stop8h 04m

Seattle/Tacoma Intl

Wed 4/29

11:16 am-9:44 pm

1 stop7h 28m

$323

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Thu 4/23

2:05 pm-7:00 pm

1 stop7h 55m

Seattle/Tacoma Intl

Wed 4/29

8:45 am-10:45 pm

2 stops11h 00m

$328

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Thu 2/12

5:35 pm-12:24 am

1 stop9h 49m

Seattle/Tacoma Intl

Thu 2/26

7:15 am-5:05 pm

1 stop6h 50m

$334

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Sat 3/14

5:35 pm-12:24 am

1 stop9h 49m

Seattle/Tacoma Intl

Wed 3/18

12:07 am-12:11 pm

1 stop9h 04m

$337

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Tue 6/2

6:05 pm-10:46 pm

1 stop7h 41m

Seattle/Tacoma Intl

Sat 6/6

11:14 pm-9:47 am

1 stop7h 33m

$358

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Fri 5/29

6:00 am-11:38 am

1 stop8h 38m

Seattle/Tacoma Intl

Mon 6/1

11:52 pm-11:04 am

1 stop8h 12m

$362

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Wed 2/11

6:00 am-2:18 pm

1 stop11h 18m

Seattle/Tacoma Intl

Wed 2/25

6:15 am-5:57 pm

1 stop8h 42m

$379

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Mon 4/27

5:43 pm-10:37 pm

1 stop7h 54m

Seattle/Tacoma Intl

Wed 4/29

12:54 pm-10:45 pm

1 stop6h 51m

$384

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Thu 5/7

6:40 pm-12:06 am

1 stop8h 26m

Seattle/Tacoma Intl

Mon 5/18

9:20 pm-10:25 am

1 stop10h 05m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 20 results
1
2

Compare providers for flights from Dayton 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 Dayton to Seattle in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 Dayton-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dayton-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dayton-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dayton-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub 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 Dayton-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 Dayton to Seattle

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dayton to Seattle. Price data was last updated on January 23, 2026.

The best time to book flights from Dayton to Seattle is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, December is the cheapest month in which you can book a flight from Dayton to Seattle (average of $118). Flying from Dayton to Seattle in July is currently the most expensive (average of $201). 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.

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

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated January 30, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Dayton to Seattle 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
11,807 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

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
11,807 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

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
8,127 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

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.
United Airlines
7.4
Good
9,215 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

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
11,206 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

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

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

  • How long is the flight from Dayton to Seattle?

    For as low as $328, American Airlines can have you in Seattle from Dayton in 7h 55m. The distance between Dayton and Seattle is about 1951 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Delta, at $108, was found to be the cheapest airline from Dayton to Seattle.Alternate airlines to your destination round-trip include Alaska Airlines and American Airlines. You may be able to fly from Dayton to Seattle for 75% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $137. United Airlines flights start at $173 while deals on Alaska Airlines start at $198 one-way.

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

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

  • How can I find direct flights from Dayton to Seattle?

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

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

    Yes. Cheapflights offers flight deals from Dayton 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 Dayton to Seattle?

    Currently, December is the cheapest month in which you can book a flight from Dayton to Seattle (average of $118). Flying from Dayton to Seattle in July is currently the most expensive (average of $201). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

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Alternative routes for Dayton to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Dayton to Seattle

Discover the top 4 airlines that operate flights from Dayton to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$108Average$338FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$247Average$444FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$283Average$457FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$285Average$453FlexibilityNo cancel feeOn-time69%

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