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$239+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — SEA
Jul 23 — Jul 301
Thu 7/23
Thu 7/30
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 June 23, 2026.

This Delta deal was found by Cheapflights users on 6/23. 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 11/136:40 pm
DAY
-
SEA
1 stop8h 29m
Delta
Sun 11/156:00 am
SEA
-
DAY
1 stop8h 49m
Delta
Deal found 6/23$349
This United Airlines deal was found by Cheapflights users on 6/19. 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 10/2711:39 am
DAY
-
SEA
2 stops9h 14m
United Airlines
Wed 11/1110:52 am
SEA
-
DAY
1 stop6h 39m
United Airlines
Deal found 6/19$354
This Delta deal was found by Cheapflights users on 6/21. 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.
Sat 10/106:40 pm
DAY
-
SEA
1 stop8h 29m
Delta
Sun 10/186:00 am
SEA
-
DAY
1 stop8h 49m
Delta
Deal found 6/21$374
This United Airlines deal was found by Cheapflights users on 6/21. 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.
Sat 10/102:20 pm
DAY
-
SEA
2 stops9h 55m
United Airlines
Sat 10/1711:14 pm
SEA
-
DAY
1 stop7h 33m
United Airlines
Deal found 6/21$377
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Wed 7/224:07 pm
DAY
-
SEA
1 stop7h 30m
American Airlines
Wed 7/296:00 am
SEA
-
DAY
1 stop6h 35m
American Airlines
Deal found 6/21$389
This Delta deal was found by Cheapflights users on 6/19. 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.
Tue 8/46:30 pm
DAY
-
SEA
1 stop8h 27m
Delta
Thu 8/206:00 am
SEA
-
DAY
1 stop8h 45m
Delta
Deal found 6/19$399
This Delta deal was found by Cheapflights users on 6/23. 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.
Mon 8/106:30 pm
DAY
-
SEA
1 stop8h 27m
Delta
Wed 8/199:45 pm
SEA
-
DAY
1 stop9h 55m
Delta
Deal found 6/23$413
This Delta deal was found by Cheapflights users on 6/21. 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 10/96:40 pm
DAY
-
SEA
1 stop8h 29m
Delta
Sun 10/186:00 am
SEA
-
DAY
1 stop8h 49m
Delta
Deal found 6/21$414
This Delta deal was found by Cheapflights users on 6/21. 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.
Tue 10/136:00 am
DAY
-
SEA
2 stops17h 50m
Delta
Sat 10/179:20 pm
SEA
-
DAY
1 stop10h 07m
Delta
Deal found 6/21$424
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Mon 7/206:32 pm
DAY
-
SEA
1 stop8h 07m
American Airlines
Tue 7/286:00 am
SEA
-
DAY
1 stop6h 35m
American Airlines
Deal found 6/21$433

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 June 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(Delta)

One-way from

$239
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$619
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
Highest demand for flights based on searches. 15% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 23, 2026.
Use the filters below to find and compare flights from Dayton to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Thu 10/8

2:55 pm-8:46 pm

1 stop8h 51m

Seattle/Tacoma Intl

Wed 10/14

11:50 am-11:14 pm

1 stop8h 24m

$414

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Tue 10/13

6:00 am-8:50 pm

2 stops17h 50m

Seattle/Tacoma Intl

Sat 10/17

9:20 pm-10:27 am

1 stop10h 07m

$424
Quickest round-trip

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Sun 7/5

5:40 am-9:40 am

1 stop7h 00m

Seattle/Tacoma Intl

Sun 7/12

11:20 pm-9:48 am

1 stop7h 28m

$435

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Sat 10/10

5:58 pm-10:56 pm

1 stop7h 58m

Seattle/Tacoma Intl

Fri 10/16

11:14 pm-1:43 pm

2 stops11h 29m

$454

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Sat 9/19

7:15 am-7:08 pm

2 stops14h 53m

Seattle/Tacoma Intl

Wed 9/30

11:14 pm-9:47 am

1 stop7h 33m

$454

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Fri 11/13

7:15 am-1:48 pm

2 stops9h 33m

Seattle/Tacoma Intl

Sun 11/15

6:51 pm-9:47 am

2 stops11h 56m

$520

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Thu 10/8

9:00 am-4:06 pm

1 stop10h 06m

Seattle/Tacoma Intl

Sun 10/11

11:14 pm-9:47 am

1 stop7h 33m

$526

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Thu 10/8

11:32 am-9:59 pm

2 stops13h 27m

Seattle/Tacoma Intl

Mon 10/12

6:43 pm-10:57 am

2 stops13h 14m

$552

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Tue 10/13

2:55 pm-8:46 pm

1 stop8h 51m

Seattle/Tacoma Intl

Thu 10/15

11:50 am-11:14 pm

1 stop8h 24m

$555

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Sun 10/11

6:40 pm-12:09 am

1 stop8h 29m

Seattle/Tacoma Intl

Wed 10/14

6:00 am-5:49 pm

1 stop8h 49m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Showing 1-10 of 20 resultsSorted by cheapest first
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 June.
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

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 $288). Flying from Dayton to Seattle in June is currently the most expensive (average of $619). 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 June 23, 2026.
Get a feel of what it's like to fly with Alaska Airlines,United Airlines, andAmerican 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
7.9
Good
12,563 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.0

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Alaska Airlines
7.9
Good
12,563 reviews
Alaska Airlines
7.9
Good
12,563 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.0

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
United Airlines
7.4
Good
9,875 reviews
Alaska Airlines
7.9
Good
12,563 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.0

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
American Airlines
7.1
Good
11,746 reviews
Alaska Airlines
7.9
Good
12,563 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.0

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

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 $389, Delta can have you in Seattle from Dayton in 7h 30m. 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?

    Alaska Airlines, at $247, 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 45% 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 $288). Flying from Dayton to Seattle in June is currently the most expensive (average of $619). 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
Lacey
Leavenworth
Olympia
Ocean Shores
Renton
Edmonds
Snoqualmie
Tumwater
Tukwila
Kent
Lynnwood
Ellensburg
Fife
Marysville
Lakewood
Issaquah
Shoreline
Centralia

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Dayton to Seattle

Discover the top 3 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 June 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$247Average$452FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$288Average$503FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$296Average$464FlexibilityNo cancel feeOn-time69%

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