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$178+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — SEA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Dayton to Seattle/Tacoma Intl are usually found in February or April, booked 74 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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 December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:00 amDAY - SEA
1 stop7h 02mAmerican Airlines
Sun 12/2810:32 amSEA - DAY
1 stop8h 22mAmerican Airlines
Deal found 12/10$536
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:05 pmDAY - SEA
1 stop10h 07mAmerican Airlines
Sat 12/2712:59 amSEA - DAY
1 stop7h 36mAmerican Airlines
Deal found 12/10$623
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:59 amDAY - SEA
1 stop8h 03mAmerican Airlines
Sat 12/2012:59 amSEA - DAY
1 stop9h 27mAmerican Airlines
Deal found 12/10$680
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/221:11 pmDAY - SEA
2 stops12h 01mAlaska Airlines
Sun 12/2812:25 amSEA - DAY
1 stop9h 12mAlaska Airlines
Deal found 12/10$733
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:00 amDAY - SEA
2 stops12h 06mUnited Airlines
Sun 12/2811:59 pmSEA - DAY
1 stop20h 45mUnited Airlines
Deal found 12/10$763
This Alaska Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/265:40 pmDAY - SEA
1 stop9h 22mAlaska Airlines
Mon 12/2912:25 amSEA - DAY
1 stop9h 12mAlaska Airlines
Deal found 12/11$817
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/182:00 pmDAY - SEA
1 stop7h 46mUnited Airlines
Sun 12/215:02 amSEA - DAY
2 stops15h 42mUnited Airlines
Deal found 12/10$827
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:00 amDAY - SEA
2 stops17h 08mUnited Airlines
Mon 12/297:12 pmSEA - DAY
2 stops15h 06mUnited Airlines
Deal found 12/10$921
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/266:28 amDAY - SEA
1 stop15h 18mUnited Airlines
Tue 12/303:50 pmSEA - DAY
2 stops21h 56mUnited Airlines
Deal found 12/11$1,486

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(United Airlines)

One-way from

$178
(American Airlines)

Popular in

March

Cheapest in

February

Average price

$428
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
High demand for flights, 9% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 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

Thu 1/29

12:34 pm-5:45 pm

1 stop8h 11m

Seattle/Tacoma Intl

Tue 2/3

9:45 pm-10:38 am

1 stop9h 53m

$289

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Fri 1/9

2:52 pm-8:57 pm

1 stop9h 05m

Seattle/Tacoma Intl

Sat 1/17

10:58 am-8:22 pm

1 stop6h 24m

$289

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Sat 2/7

6:00 am-2:18 pm

1 stop11h 18m

Seattle/Tacoma Intl

Sun 2/8

10:59 pm-10:50 am

1 stop8h 51m

$303

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Sun 2/8

11:37 am-7:00 pm

1 stop10h 23m

Seattle/Tacoma Intl

Tue 2/10

6:15 am-5:58 pm

1 stop8h 43m

$347

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Wed 2/4

11:37 am-7:00 pm

1 stop10h 23m

Seattle/Tacoma Intl

Tue 2/10

5:30 am-11:16 pm

2 stops14h 46m

$351

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Sat 2/7

6:00 am-2:18 pm

1 stop11h 18m

Seattle/Tacoma Intl

Tue 2/10

5:30 am-11:16 pm

2 stops14h 46m

$351

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Tue 2/3

6:00 am-12:20 pm

1 stop9h 20m

Seattle/Tacoma Intl

Sun 2/8

10:59 pm-10:50 am

1 stop8h 51m

$353

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Mon 2/23

5:49 pm-10:43 pm

1 stop7h 54m

Seattle/Tacoma Intl

Thu 2/26

7:00 am-5:10 pm

1 stop7h 10m

$357

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Wed 2/4

11:37 am-7:00 pm

1 stop10h 23m

Seattle/Tacoma Intl

Thu 2/12

6:05 am-5:57 pm

1 stop8h 52m

$368

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Sat 2/7

6:00 am-2:18 pm

1 stop11h 18m

Seattle/Tacoma Intl

Thu 2/12

6:05 am-5:57 pm

1 stop8h 52m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 22 results
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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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Dayton-Seattle flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

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 December 5, 2025.

The best time to book flights from Dayton to Seattle is 74 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, October is the cheapest month in which you can book a flight from Dayton to Seattle (average of $131). Flying from Dayton to Seattle in July is currently the most expensive (average of $216). 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 December 12, 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 13% on airfare.

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 December 12, 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
11,432 reviews

Entertainment

7.0

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
11,432 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Delta
7.9
Good
8,007 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
United Airlines
7.4
Good
9,095 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
American Airlines
7.2
Good
11,050 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Entertainment

7.0

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

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, American Airlines can have you in Seattle from Dayton in 8h 11m. 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 $108, 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 75% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $168. United Airlines flights start at $173 while deals on Alaska Airlines start at $198 one-way.

  • 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, October is the cheapest month in which you can book a flight from Dayton to Seattle (average of $131). Flying from Dayton to Seattle in July is currently the most expensive (average of $216). 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
Tacoma
SeaTac
Lakewood
Olympia
Ocean Shores
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Tukwila
Kent
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$187Average$378FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$283Average$449FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$457FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$292Average$478FlexibilityNo cancel feeOn-time75%

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