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$151+ 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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — SEA
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
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 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(American Airlines)

One-way from

$151
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$403
Provider with most accurate pricing for Dayton-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Dayton-Seattle/Tacoma Intl flights.
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From Dayton to Seattle/Tacoma Intl
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One-way flight from Dayton to Seattle/Tacoma Intl
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High demand for flights, 8% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 29, 2025.

This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:00 amDAY - SEA
1 stop8h 40mAmerican Airlines
Sun 11/1611:59 pmSEA - DAY
1 stop8h 33mAmerican Airlines
Deal found 10/28$339
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/1111:43 amDAY - SEA
2 stops12h 50mUnited Airlines
Sat 11/1510:53 amSEA - DAY
1 stop6h 26mUnited Airlines
Deal found 10/27$344
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:50 pmDAY - SEA
2 stops11h 20mUnited Airlines
Sun 11/1611:30 pmSEA - DAY
1 stop8h 38mUnited Airlines
Deal found 10/28$364
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:17 pmDAY - SEA
1 stop8h 01mAmerican Airlines
Fri 11/1412:41 amSEA - DAY
1 stop7h 51mAmerican Airlines
Deal found 10/27$379
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:59 pmDAY - SEA
1 stop8h 43mAmerican Airlines
Mon 11/102:46 pmSEA - DAY
1 stop6h 13mAmerican Airlines
Deal found 10/27$384
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:59 pmDAY - SEA
1 stop8h 43mAmerican Airlines
Mon 11/2412:59 amSEA - DAY
1 stop8h 15mAmerican Airlines
Deal found 10/28$387
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/35:50 pmDAY - SEA
1 stop7h 38mUnited Airlines
Mon 11/105:05 amSEA - DAY
2 stops10h 56mUnited Airlines
Deal found 10/27$389
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/81:29 pmDAY - SEA
1 stop10h 16mDelta
Tue 11/1111:00 pmSEA - DAY
1 stop8h 34mDelta
Deal found 10/28$404
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:00 amDAY - SEA
1 stop7h 25mAmerican Airlines
Sat 11/812:59 amSEA - DAY
1 stop8h 10mAmerican Airlines
Deal found 10/27$429
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Fri 11/77:00 amDAY - SEA
1 stop7h 28mUnited Airlines
Sun 11/97:13 pmSEA - DAY
2 stops11h 39mUnited Airlines
Deal found 10/27$434

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 October 29, 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

11:13 am-7:04 pm

1 stop10h 51m

Seattle/Tacoma Intl

Tue 2/3

7:35 am-6:40 pm

1 stop8h 05m

$289

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Sat 3/14

11:05 am-7:05 pm

1 stop11h 00m

Seattle/Tacoma Intl

Tue 3/17

11:35 pm-10:38 am

1 stop8h 03m

$339

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Wed 11/12

6:00 am-11:40 am

1 stop8h 40m

Seattle/Tacoma Intl

Sun 11/16

11:59 pm-11:32 am

1 stop8h 33m

$339

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Tue 11/11

11:43 am-9:33 pm

2 stops12h 50m

Seattle/Tacoma Intl

Sat 11/15

10:53 am-8:19 pm

1 stop6h 26m

$344

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Thu 3/19

6:00 am-12:29 pm

1 stop9h 29m

Seattle/Tacoma Intl

Mon 3/23

9:30 pm-10:38 am

1 stop10h 08m

$344

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Wed 11/12

2:50 pm-11:10 pm

2 stops11h 20m

Seattle/Tacoma Intl

Sun 11/16

11:30 pm-11:08 am

1 stop8h 38m

$364

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Fri 2/20

8:33 am-12:50 pm

1 stop7h 17m

Seattle/Tacoma Intl

Fri 2/27

9:15 am-8:59 pm

1 stop8h 44m

$379

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Fri 2/27

12:06 pm-8:22 pm

1 stop11h 16m

Seattle/Tacoma Intl

Tue 3/3

9:50 am-10:14 pm

1 stop9h 24m

$379

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Thu 2/19

12:06 pm-8:22 pm

1 stop11h 16m

Seattle/Tacoma Intl

Thu 2/26

9:15 am-8:59 pm

1 stop8h 44m

$379

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Sat 2/21

8:33 am-12:50 pm

1 stop7h 17m

Seattle/Tacoma Intl

Thu 2/26

9:15 am-8:59 pm

1 stop8h 44m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 18 results
1
2

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 October.
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 October 24, 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 $89). 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 October 29, 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 October 29, 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
11,211 reviews

Overall

8.0

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

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
11,211 reviews
Alaska Airlines
8.0
Very good
11,211 reviews

Overall

8.0

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

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
7.9
Good
7,992 reviews
Alaska Airlines
8.0
Very good
11,211 reviews

Overall

8.0

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

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
8,999 reviews
Alaska Airlines
8.0
Very good
11,211 reviews

Overall

8.0

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

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
11,032 reviews
Alaska Airlines
8.0
Very good
11,211 reviews

Overall

8.0

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

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, American Airlines can have you in Seattle from Dayton in 10h 51m. 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 52% 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 $89). 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
SeaTac
Tukwila
Tacoma
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Fife
Issaquah

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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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$378FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$457FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$466FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$292Average$488FlexibilityNo cancel feeOn-time75%

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