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$287+ 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — SEA
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
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Cheapflights Tip: The best prices from Dayton to Seattle/Tacoma Intl are usually found in February or April, booked 74 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap 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 November 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(Delta)

One-way from

$287
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$503
Provider with most accurate pricing for Dayton-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Dayton-Seattle/Tacoma Intl flights.
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From Dayton to Seattle/Tacoma Intl
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One-way flight from Dayton to Seattle/Tacoma Intl
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High demand for flights, 8% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 12, 2025.

This Delta deal was found by Cheapflights users on 11/10. 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.
Fri 12/126:34 pmDAY - SEA
1 stop8h 24mDelta
Tue 12/166:00 amSEA - DAY
1 stop8h 47mDelta
Deal found 11/10$289
This United Airlines deal was found by Cheapflights users on 11/10. 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 12/1211:43 amDAY - SEA
1 stop7h 24mUnited Airlines
Tue 12/165:00 amSEA - DAY
2 stops11h 17mUnited Airlines
Deal found 11/10$318
This United Airlines deal was found by Cheapflights users on 11/12. 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 12/1211:43 amDAY - SEA
1 stop7h 24mUnited Airlines
Sun 12/149:25 amSEA - DAY
2 stops11h 05mUnited Airlines
Deal found 11/12$383
This American Airlines deal was found by Cheapflights users on 11/11. 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 11/138:38 amDAY - SEA
1 stop8h 16mAmerican Airlines
Fri 12/512:38 amSEA - DAY
1 stop8h 42mAmerican Airlines
Deal found 11/11$404
This United Airlines deal was found by Cheapflights users on 11/11. 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 11/1310:27 amDAY - SEA
2 stops10h 43mUnited Airlines
Sat 12/610:40 amSEA - DAY
1 stop6h 29mUnited Airlines
Deal found 11/11$409
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Sun 12/79:01 amDAY - SEA
1 stop7h 46mUnited Airlines
Sun 12/145:00 amSEA - DAY
2 stops11h 17mUnited Airlines
Deal found 11/10$464
This United Airlines deal was found by Cheapflights users on 11/11. 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 12/311:43 amDAY - SEA
3 stops12h 17mUnited Airlines
Sun 12/75:00 amSEA - DAY
1 stop14h 29mUnited Airlines
Deal found 11/11$471
This Delta deal was found by Cheapflights users on 11/12. 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.
Thu 11/136:34 pmDAY - SEA
1 stop8h 25mDelta
Wed 11/197:15 amSEA - DAY
1 stop7h 32mDelta
Deal found 11/12$484
This American Airlines deal was found by Cheapflights users on 11/12. 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 11/277:46 amDAY - SEA
1 stop8h 25mAmerican Airlines
Mon 12/111:59 pmSEA - DAY
1 stop8h 33mAmerican Airlines
Deal found 11/12$491

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 November 12, 2025.
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

Fri 12/12

6:34 pm-11:58 pm

1 stop8h 24m

Seattle/Tacoma Intl

Tue 12/16

6:00 am-5:47 pm

1 stop8h 47m

$289

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Wed 12/3

6:00 am-12:38 pm

1 stop9h 38m

Seattle/Tacoma Intl

Sun 12/7

11:51 pm-11:37 am

1 stop8h 46m

$289

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Tue 4/28

2:55 pm-10:05 pm

1 stop10h 10m

Seattle/Tacoma Intl

Tue 5/5

9:20 pm-10:25 am

1 stop10h 05m

$289

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Fri 12/12

12:07 pm-5:51 pm

1 stop8h 44m

Seattle/Tacoma Intl

Sat 12/13

12:38 am-12:20 pm

1 stop8h 42m

$289

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Thu 1/29

4:21 pm-10:20 pm

1 stop8h 59m

Seattle/Tacoma Intl

Tue 2/3

8:35 am-6:40 pm

1 stop7h 05m

$289

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Tue 4/28

10:45 am-5:57 pm

2 stops10h 12m

Seattle/Tacoma Intl

Tue 5/5

11:50 pm-11:03 am

1 stop8h 13m

$294

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Fri 12/12

11:43 am-4:07 pm

1 stop7h 24m

Seattle/Tacoma Intl

Tue 12/16

5:00 am-7:17 pm

2 stops11h 17m

$318

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Fri 2/27

6:44 pm-9:17 am

2 stops17h 33m

Seattle/Tacoma Intl

Tue 3/3

11:55 am-11:59 pm

1 stop9h 04m

$337

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Thu 4/9

10:45 am-4:25 pm

1 stop8h 40m

Seattle/Tacoma Intl

Wed 4/15

2:16 pm-11:29 pm

1 stop6h 13m

$350

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Thu 11/20

9:13 pm-1:22 pm

3 stops43h 09m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 18 results
1
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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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Dayton-Seattle flight deals on Cheapflights vs. eDreams >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 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 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 November 7, 2025.

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, January is the cheapest month in which you can book a flight from Dayton to Seattle (average of $89). Flying from Dayton to Seattle in July is currently the most expensive (average of $216). 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 DAY to SEA?

Find hourly flight availability from Dayton 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 November 12, 2025.

One of the essential ways to save on airfare from Dayton to Seattle is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 13% on airfare.

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 November 12, 2025.
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
11,281 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
11,281 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
7.9
Good
8,009 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
9,015 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
American Airlines
7.2
Good
11,050 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 $289, Delta can have you in Seattle from Dayton in 8h 24m. 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 $218, was found to be the cheapest airline from Dayton to Seattle.Alternate airlines to your destination round-trip include American Airlines and United Airlines. You may be able to fly from Dayton to Seattle for 52% less than the average price by searching for these airlines.

  • 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, January is the cheapest month in which you can book a flight from Dayton to Seattle (average of $89). Flying from Dayton to Seattle in July is currently the most expensive (average of $216). 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
SeaTac
Tacoma
Tukwila
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Cle Elum
Marysville
Puyallup
Federal Way
Fife
Issaquah
Aberdeen

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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 November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$378FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$283Average$455FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$467FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$292Average$488FlexibilityNo cancel feeOn-time75%

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