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$258+ Cheap flights from Seattle to Dayton (SEA - DAY)

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DAY
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
1 adult, Economy
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Cheap flight deals from Seattle to Dayton

Cheapest flights from Seattle to Dayton
Explore the most affordable flight options available from Seattle to Dayton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 26, 2026.

This American Airlines deal was found by Cheapflights users on 7/22. 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 8/2612:15 pm
SEA
-
DAY
1 stop8h 03m
American Airlines
Sun 8/305:00 am
DAY
-
SEA
1 stop10h 07m
American Airlines
Deal found 7/22$349
This United Airlines deal was found by Cheapflights users on 7/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:14 pm
SEA
-
DAY
1 stop7h 33m
United Airlines
Sat 10/242:20 pm
DAY
-
SEA
2 stops9h 55m
United Airlines
Deal found 7/23$364
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Mon 10/511:14 pm
SEA
-
DAY
1 stop7h 33m
United Airlines
Sat 10/102:20 pm
DAY
-
SEA
2 stops9h 55m
United Airlines
Deal found 7/22$431
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Tue 8/1111:56 pm
SEA
-
DAY
1 stop8h 56m
American Airlines
Mon 8/175:46 pm
DAY
-
SEA
1 stop9h 13m
American Airlines
Deal found 7/22$447
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/1211:03 am
SEA
-
DAY
1 stop8h 42m
United Airlines
Tue 8/186:11 pm
DAY
-
SEA
1 stop7h 32m
United Airlines
Deal found 7/24$449
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 8/266:52 pm
SEA
-
DAY
2 stops13h 06m
United Airlines
Sun 8/306:11 pm
DAY
-
SEA
1 stop7h 32m
United Airlines
Deal found 7/21$454
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Wed 11/111:00 pm
SEA
-
DAY
1 stop6h 29m
United Airlines
Sat 11/1411:39 am
DAY
-
SEA
1 stop6h 52m
United Airlines
Deal found 7/21$459

Find flight deals from Seattle to Dayton

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Dayton (DAY). 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 July 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(American Airlines)

One-way from

$258
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$762
Provider with most accurate pricing for Seattle/Tacoma Intl-Dayton flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Dayton flights.
Search Deals
From Seattle/Tacoma Intl to Dayton
Search Deals
One-way flight from Seattle/Tacoma Intl to Dayton
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Dayton 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 July 26, 2026.
Use the filters below to find and compare flights from Seattle to Dayton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Tue 8/11

11:56 pm-11:52 am

1 stop8h 56m

Dayton

Mon 8/17

5:46 pm-11:59 pm

1 stop9h 13m

$447

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Wed 8/26

6:30 am-10:45 pm

2 stops13h 15m

Dayton

Sun 8/30

7:15 am-4:06 pm

2 stops11h 51m

$459

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Mon 9/14

11:04 pm-4:29 pm

2 stops14h 25m

Dayton

Mon 9/21

5:30 am-9:36 am

1 stop7h 06m

$464

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Tue 9/1

5:20 pm-10:58 am

2 stops14h 38m

Dayton

Sat 9/5

2:23 pm-7:07 pm

1 stop7h 44m

$464

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Tue 8/25

4:45 pm-10:58 am

2 stops15h 13m

Dayton

Mon 8/31

6:00 am-4:06 pm

2 stops13h 06m

$469

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Tue 8/11

6:30 am-10:45 pm

2 stops13h 15m

Dayton

Tue 8/18

7:15 am-11:32 am

1 stop7h 17m

$499
Cheapest one-way

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Wed 9/30

9:45 pm-9:01 am

3 stops32h 16m

$258
Quickest one-way

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Tue 8/11

11:59 pm-10:40 am

1 stop7h 41m

$322

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Tue 11/24

11:03 pm-11:03 am

1 stop9h 00m

$323

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Sat 8/1

11:11 pm-10:58 am

1 stop8h 47m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Seattle to Dayton

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

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

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

Currently, November is the cheapest month in which you can book a flight from Seattle to Dayton (average of $378). Flying from Seattle to Dayton in December is currently the most expensive (average of $801). 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 Seattle to Dayton?

Airfare is below average for this route at the moment.

Seattle to Dayton flights typically cost between $648 and $732 in August.
The cheapest round-trip price found within the last 5 days was $349 on American Airlines (Aug 26-Aug 30).

Reviews of airlines servicing Dayton

Get insights into the airlines that provide service to Dayton. 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 Dayton. Reviews last updated July 26, 2026.
Get a feel of what it's like to fly with Alaska Airlines,United Airlines, andAmerican Airlines from Seattle to Dayton 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
12,718 reviews

Comfort

7.8

Food

7.0

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Alaska Airlines
7.9
Good
12,718 reviews
Alaska Airlines
7.9
Good
12,718 reviews

Comfort

7.8

Food

7.0

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
United Airlines
7.4
Good
10,041 reviews
Alaska Airlines
7.9
Good
12,718 reviews

Comfort

7.8

Food

7.0

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
American Airlines
7.1
Good
11,845 reviews
Alaska Airlines
7.9
Good
12,718 reviews

Comfort

7.8

Food

7.0

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Dayton. 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 Seattle to Dayton?

    American Airlines and United Airlines can get you from Seattle to Dayton in just under 8h 56m. Your travel time can differ by up to 4h 19m. The distance from Seattle to Dayton 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 Seattle to Dayton round-trip?

    Flying on Alaska Airlines is currently your cheapest option to Dayton, with prices starting at $277. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $288 and $288, respectively. These flights start at 47% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $159 on American Airlines. Other airlines that offer cheap prices include United Airlines from $198 and Alaska Airlines from $242 one-way.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Seattle to Dayton (average of $378). Flying from Seattle to Dayton in December is currently the most expensive (average of $801). 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 Dayton?

Book flights to Dayton if you plan to visit one of these locations
Huber Heights
Springfield
Troy
Greenville
Miamisburg

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Top 3 airlines flying from Seattle to Dayton

Discover the top 3 airlines that operate flights from Seattle to Dayton. 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 July 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$277Average$422FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$288Average$455FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$484FlexibilityNo cancel feeOn-time69%

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