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$254+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DAY
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap 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 29, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$254
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$485
From Seattle/Tacoma Intl to Dayton
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One-way flight from Seattle/Tacoma Intl to Dayton
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Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 10/31:02 pmSEA - DAY
1 stop6h 51mAmerican Airlines
Sun 10/56:06 amDAY - SEA
1 stop7h 48mAmerican Airlines
Deal found 7/29$289
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/205:14 pmSEA - DAY
2 stops14h 53mUnited Airlines
Mon 8/259:27 amDAY - SEA
1 stop9h 25mUnited Airlines
Deal found 7/27$384
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/412:59 amSEA - DAY
1 stop7h 29mAlaska Airlines
Sat 9/1311:58 amDAY - SEA
1 stop8h 33mAlaska Airlines
Deal found 7/28$434

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 29, 2025.
Use the filters below to find and compare flights from Seattle to Dayton that are best for you.

Fly from

Seattle

Fly to

Dayton

Route

Depart

Return

Price

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Fri 10/3

1:02 pm-10:53 pm

1 stop6h 51m

Dayton

Sun 10/5

6:06 am-10:54 am

1 stop7h 48m

$289

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Wed 8/20

11:11 am-10:12 pm

1 stop8h 01m

Dayton

Mon 8/25

9:27 am-3:52 pm

1 stop9h 25m

$379

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Thu 9/4

12:59 am-11:28 am

1 stop7h 29m

Dayton

Sat 9/13

11:58 am-5:31 pm

1 stop8h 33m

$434

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Sun 9/21

8:00 am-6:48 pm

1 stop7h 48m

$254

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Sat 9/20

12:59 am-11:28 am

1 stop7h 29m

$269

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Sun 9/21

8:03 am-8:13 pm

1 stop9h 10m

$283

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Mon 9/1

9:45 pm-10:26 am

1 stop9h 41m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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, August is the cheapest month in which you can book a flight from Seattle to Dayton (average of $325). Flying from Seattle to Dayton in March is currently the most expensive (average of $396). 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 DAY?

Find hourly flight availability from Seattle to Dayton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

One of the essential ways to save on airfare from Seattle to Dayton is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 37% on airfare.

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 29, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United 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
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

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

    Flying on American Airlines is currently your cheapest option to Dayton, with prices starting at $289. Additional round-trip tickets that might be worth considering are offered by United Airlines and Alaska Airlines, with the lowest prices starting at $379 and $434, respectively. These flights start at 34% 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 $254 on United Airlines. Other airlines that offer cheap prices include Alaska Airlines from $269 and American Airlines from $283 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, August is the cheapest month in which you can book a flight from Seattle to Dayton (average of $325). Flying from Seattle to Dayton in March is currently the most expensive (average of $396). 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
Springfield
Troy
Xenia
Miamisburg
Richmond

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Top 4 airlines flying from Seattle to Dayton

Discover the top 4 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$177Average$390FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$227Average$531FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$288Average$470FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$434FlexibilityNo cancel feeOn-time69%

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