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$185+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DAY
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$185
(Delta)

Popular in

December

Cheapest in

January

Average price

$388
From Seattle/Tacoma Intl to Dayton
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One-way flight from Seattle/Tacoma Intl to Dayton
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 8/226:34 amSEA - DAY
1 stop7h 47mAmerican Airlines
Mon 8/255:20 pmDAY - SEA
1 stop9h 20mAmerican Airlines
Deal found 6/11$289
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 8/2911:11 amSEA - DAY
2 stops9h 33mUnited Airlines
Sun 8/312:00 pmDAY - SEA
1 stop7h 49mUnited Airlines
Deal found 6/11$358
This Delta deal was found by Cheapflights users on 6/10. 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.
Thu 7/249:30 pmSEA - DAY
1 stop9h 57mDelta
Mon 7/282:29 pmDAY - SEA
1 stop10h 49mDelta
Deal found 6/10$389
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/296:00 amSEA - DAY
1 stop7h 52mAlaska Airlines
Thu 7/315:38 pmDAY - SEA
1 stop8h 46mAlaska Airlines
Deal found 6/11$494

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 June 12, 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 8/22

6:34 am-5:21 pm

1 stop7h 47m

Dayton

Mon 8/25

5:20 pm-11:40 pm

1 stop9h 20m

$289

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Fri 8/29

11:11 am-11:44 pm

2 stops9h 33m

Dayton

Sun 8/31

2:00 pm-6:49 pm

1 stop7h 49m

$358

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Thu 7/24

9:30 pm-10:27 am

1 stop9h 57m

Dayton

Mon 7/28

2:29 pm-10:18 pm

1 stop10h 49m

$389

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Tue 7/29

6:00 am-4:52 pm

1 stop7h 52m

Dayton

Thu 7/31

5:38 pm-11:24 pm

1 stop8h 46m

$494

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Fri 7/4

9:40 pm-10:31 am

1 stop9h 51m

$185

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Thu 7/31

10:05 pm-11:14 am

2 stops10h 09m

$215

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Wed 7/2

6:24 am-5:01 pm

1 stop7h 37m

$220

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Tue 9/2

12:59 am-11:32 am

1 stop7h 33m

$224

SeattleDayton

SEA - DAY

SEADAY

Seattle/Tacoma Intl

Thu 7/31

9:12 am-8:38 pm

3 stops32h 26m

$345

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June is currently the most expensive (average of $402). 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 June 12, 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.

Rainfall in Dayton by month

Plan your trip to Dayton by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dayton ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit Dayton when rainfall is around 2.2 in.

Temperature in Dayton by month

Plan your trip to Dayton by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dayton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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 June 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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 Delta, with the lowest prices starting at $358 and $389, respectively. These flights start at 35% 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 $185 on Delta. Other airlines that offer cheap prices include United Airlines from $215 and American Airlines from $220 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 June is currently the most expensive (average of $402). 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
Troy
Springfield
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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$177Average$390FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$227Average$548FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$285Average$484FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$479FlexibilityNo cancel feeOn-time71%

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