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$179+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — SEA
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
1 adult, Economy
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Cheapflights Tip: The best prices from Dayton to Seattle/Tacoma Intl are usually found in April or February, booked 32 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 July 1, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$179
(American Airlines)

Popular in

June

Cheapest in

April

Average price

$495
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. 8% potential increase in price ($48 potential increase over avg. RT price).
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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 July 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 July 1, 2025.

This American Airlines deal was found by Cheapflights users on 6/29. 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.
Sat 8/912:32 pmDAY - SEA
1 stop9h 44mAmerican Airlines
Sun 8/1712:46 amSEA - DAY
1 stop8h 16mAmerican Airlines
Deal found 6/29$289
This Delta deal was found by Cheapflights users on 6/30. 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 9/261:16 pmDAY - SEA
1 stop8h 29mDelta
Tue 9/309:45 pmSEA - DAY
1 stop9h 37mDelta
Deal found 6/30$343
This United Airlines deal was found by Cheapflights users on 6/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/297:48 pmDAY - SEA
1 stop8h 08mUnited Airlines
Sat 8/212:20 amSEA - DAY
1 stop7h 54mUnited Airlines
Deal found 6/29$354
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 9/258:27 amDAY - SEA
1 stop9h 48mAlaska Airlines
Tue 9/3010:40 amSEA - DAY
1 stop6h 58mAlaska Airlines
Deal found 6/30$404

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 July 1, 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 8/16

5:55 pm-10:42 pm

1 stop7h 47m

Seattle/Tacoma Intl

Tue 8/26

10:55 pm-9:48 am

1 stop7h 53m

$289

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Mon 8/11

5:20 pm-11:41 pm

1 stop9h 21m

Seattle/Tacoma Intl

Fri 8/22

12:46 am-12:02 pm

1 stop8h 16m

$339

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Fri 9/26

1:16 pm-6:45 pm

1 stop8h 29m

Seattle/Tacoma Intl

Tue 9/30

9:45 pm-10:22 am

1 stop9h 37m

$343

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Thu 9/25

12:42 pm-5:52 pm

1 stop8h 10m

Seattle/Tacoma Intl

Mon 9/29

12:59 am-11:28 am

1 stop7h 29m

$404

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Sat 9/6

12:56 pm-8:05 pm

1 stop10h 09m

$179

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Sat 9/6

7:20 am-3:53 pm

2 stops11h 33m

$184

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Tue 8/12

6:00 am-12:04 pm

1 stop9h 04m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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 June 27, 2025.

The best time to book flights from Dayton to Seattle is 32 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 July is currently the most expensive (average of $390). 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 July 1, 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 July 1, 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

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

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

    American Airlines, at $289, was found to be the cheapest airline from Dayton to Seattle.Alternate airlines to your destination round-trip include Delta and United Airlines. You may be able to fly from Dayton to Seattle for 41% 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 $179. United Airlines flights start at $184 while deals on Delta start at $199 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, 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 July is currently the most expensive (average of $390). 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
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Lynnwood
Renton
Olympia
Shoreline
Puyallup
Cle Elum
Centralia
Kent
Federal Way
Chehalis
Kirkland
Aberdeen
Shelton

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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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$561FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$461FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$500FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$391Average$489FlexibilityNo cancel feeOn-time75%

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