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$199+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — SEA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 46 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 September 17, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$199
(Delta)

Popular in

June

Cheapest in

February

Average price

$482
From Dayton to Seattle/Tacoma Intl
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One-way flight from Dayton to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 9% potential increase in price ($46 potential increase over avg. RT price).
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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 September 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 September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. 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 10/2510:25 amDAY - SEA
1 stop8h 27mUnited Airlines
Tue 10/2811:59 pmSEA - DAY
1 stop8h 09mUnited Airlines
Deal found 9/14$289
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/1811:42 amDAY - SEA
1 stop7h 03mUnited Airlines
Tue 10/216:35 amSEA - DAY
2 stops10h 34mUnited Airlines
Deal found 9/14$294
This Delta deal was found by Cheapflights users on 9/16. 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 10/44:36 pmDAY - SEA
1 stop10h 18mDelta
Wed 10/226:00 amSEA - DAY
1 stop8h 59mDelta
Deal found 9/16$314
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/49:25 amDAY - SEA
2 stops9h 59mUnited Airlines
Fri 10/3111:59 pmSEA - DAY
1 stop8h 09mUnited Airlines
Deal found 9/15$319
This Delta deal was found by Cheapflights users on 9/17. 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 10/26:37 pmDAY - SEA
1 stop8h 17mDelta
Tue 10/219:55 pmSEA - DAY
1 stop9h 29mDelta
Deal found 9/17$339
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/105:18 pmDAY - SEA
1 stop10h 09mAmerican Airlines
Mon 10/1312:34 amSEA - DAY
1 stop8h 21mAmerican Airlines
Deal found 9/15$344
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/29:25 amDAY - SEA
2 stops9h 59mUnited Airlines
Mon 10/611:40 pmSEA - DAY
1 stop8h 27mUnited Airlines
Deal found 9/17$372
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 9/2712:56 pmDAY - SEA
1 stop10h 09mAmerican Airlines
Sat 10/46:28 amSEA - DAY
1 stop10h 27mAmerican Airlines
Deal found 9/15$379
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/179:00 amDAY - SEA
1 stop9h 45mUnited Airlines
Mon 10/2010:54 pmSEA - DAY
2 stops11h 08mUnited Airlines
Deal found 9/15$384
This Delta deal was found by Cheapflights users on 9/16. 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 10/36:37 pmDAY - SEA
1 stop8h 17mDelta
Mon 10/209:55 pmSEA - DAY
1 stop9h 29mDelta
Deal found 9/16$399

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 September 17, 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

Sat 10/25

10:25 am-3:52 pm

1 stop8h 27m

Seattle/Tacoma Intl

Tue 10/28

11:59 pm-11:08 am

1 stop8h 09m

$289

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Fri 10/24

6:44 pm-11:54 pm

1 stop8h 10m

Seattle/Tacoma Intl

Mon 10/27

9:55 pm-10:24 am

1 stop9h 29m

$289

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Sat 10/25

5:18 pm-12:27 am

1 stop10h 09m

Seattle/Tacoma Intl

Sun 10/26

12:34 am-11:55 am

1 stop8h 21m

$289

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Thu 1/22

9:05 am-4:01 pm

1 stop9h 56m

Seattle/Tacoma Intl

Sun 1/25

2:10 pm-11:44 pm

1 stop6h 34m

$289

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Sat 10/18

11:42 am-3:45 pm

1 stop7h 03m

Seattle/Tacoma Intl

Tue 10/21

6:35 am-8:09 pm

2 stops10h 34m

$294

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Sat 10/4

12:42 pm-5:29 pm

1 stop7h 47m

Seattle/Tacoma Intl

Fri 10/31

11:49 pm-1:25 pm

1 stop10h 36m

$314

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Sat 10/11

9:00 am-3:32 pm

2 stops9h 32m

Seattle/Tacoma Intl

Tue 10/14

11:40 pm-11:07 am

1 stop8h 27m

$319

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Sat 10/4

9:25 am-4:24 pm

2 stops9h 59m

Seattle/Tacoma Intl

Fri 10/31

11:59 pm-11:08 am

1 stop8h 09m

$319

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Thu 10/2

6:37 pm-11:54 pm

1 stop8h 17m

Seattle/Tacoma Intl

Tue 10/21

9:55 pm-10:24 am

1 stop9h 29m

$339

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Fri 10/3

6:37 pm-11:54 pm

1 stop8h 17m

Seattle/Tacoma Intl

Tue 10/21

9:55 pm-10:24 am

1 stop9h 29m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 21 results
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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 September 12, 2025.

The best time to book flights from Dayton to Seattle is 46 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 $238). Flying from Dayton to Seattle in June is currently the most expensive (average of $387). 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 September 17, 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 14% on airfare.

What is the cheapest day to fly from Dayton to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Dayton to Seattle. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Dayton to Seattle flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 17, 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
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

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
8.0
Very good
7,961 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

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
8,926 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

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, United Airlines can have you in Seattle from Dayton in 8h 10m. 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 53% 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 $238). Flying from Dayton to Seattle in June is currently the most expensive (average of $387). 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
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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Alternative routes for Dayton to Seattle

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$390FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$458FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$474FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$292Average$488FlexibilityNo cancel feeOn-time75%

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