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CA $403 Cheap Flights from Dayton (DAY) to Seattle (SEA)

View CA $403 flight on Mon, Aug 31, 2026Opens in a new window

Popular airlines from Dayton Intl. Airport (DAY) to Seattle-Tacoma International Airport (SEA)

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Cheap flights from Dayton (DAY) to Seattle (SEA)

Prices were available within the past 7 days and start at CA $403 for one-way flights and CA $554 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Aug 11 - Wed, Aug 19
DAY
Dayton
SEA
Seattle
CA $554 Roundtrip, found 4 days ago
CA $554
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Aug 11 from Dayton to Seattle, returning Wed, Aug 19, priced at CA $554 found 4 days ago
Delta
Wed, Aug 12 - Wed, Aug 19
DAY
Dayton
SEA
Seattle
CA $659 Roundtrip, found 4 days ago
CA $659
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Aug 12 from Dayton to Seattle, returning Wed, Aug 19, priced at CA $659 found 4 days ago
American Airlines
Fri, Aug 14 - Fri, Aug 21
DAY
Dayton
SEA
Seattle
CA $667 Roundtrip, found 4 days ago
CA $667
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Aug 14 from Dayton to Seattle, returning Fri, Aug 21, priced at CA $667 found 4 days ago
United
Mon, Aug 10 - Wed, Aug 19
DAY
Dayton
SEA
Seattle
CA $744 Roundtrip, found 4 days ago
CA $744
Roundtrip
found 4 days ago
Select United flight, departing Mon, Aug 10 from Dayton to Seattle, returning Wed, Aug 19, priced at CA $744 found 4 days ago
American Airlines
Wed, Aug 12 - Thu, Aug 20
DAY
Dayton
SEA
Seattle
CA $790 Roundtrip, found 4 days ago
CA $790
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Aug 12 from Dayton to Seattle, returning Thu, Aug 20, priced at CA $790 found 4 days ago
United
Sun, Aug 9 - Wed, Aug 19
DAY
Dayton
SEA
Seattle
CA $808 Roundtrip, found 4 days ago
CA $808
Roundtrip
found 4 days ago
Select United flight, departing Sun, Aug 9 from Dayton to Seattle, returning Wed, Aug 19, priced at CA $808 found 4 days ago
United
Wed, Aug 12 - Thu, Aug 20
DAY
Dayton
SEA
Seattle
CA $815 Roundtrip, found 4 days ago
CA $815
Roundtrip
found 4 days ago
Select United flight, departing Wed, Aug 12 from Dayton to Seattle, returning Thu, Aug 20, priced at CA $815 found 4 days ago
American Airlines
Mon, Aug 17 - Sat, Aug 22
DAY
Dayton
SEA
Seattle
CA $827 Roundtrip, found 4 days ago
CA $827
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Aug 17 from Dayton to Seattle, returning Sat, Aug 22, priced at CA $827 found 4 days ago
United
Fri, Aug 14 - Fri, Aug 21
DAY
Dayton
SEA
Seattle
CA $844 Roundtrip, found 4 days ago
CA $844
Roundtrip
found 4 days ago
Select United flight, departing Fri, Aug 14 from Dayton to Seattle, returning Fri, Aug 21, priced at CA $844 found 4 days ago
United
Fri, Aug 14 - Fri, Aug 21
DAY
Dayton
SEA
Seattle
CA $845 Roundtrip, found 4 days ago
CA $845
Roundtrip
found 4 days ago
Select United flight, departing Fri, Aug 14 from Dayton to Seattle, returning Fri, Aug 21, priced at CA $845 found 4 days ago

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from CA $667
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from CA $667

Frequently asked questions

How much does a flight from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find one-way and return flights from DAY to SEA with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when DAY to SEA ticket fares go up or down.
What is the cheapest month to fly from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
April is typically the cheapest month to fly from James M. Cox Dayton Intl. (DAY) to Seattle - Tacoma Intl. (SEA), with average return fares around CA$473. April often sees lower prices as it's outside of peak holiday or summer travel seasons, leading to less demand. Other budget-friendly months to consider for this route include September and November.
Which airlines fly direct from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter DAY to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
American Airlines is one of the cheapest airlines offering connecting return flights from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with a layover in O'Hare Intl. (ORD), with tickets starting from around CA$422 for flights that can be booked for departure within the next year. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest months to fly from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are typically April and November, with average return flights around CA$473. However, the most popular months for this route are December and June, meaning you'll find more flight options during these times. While there isn't a single month that is both the cheapest and most popular, if you're looking for the best value, consider April or November for more affordable fares.
How many flights per day from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 30 connecting flights per day from James M. Cox Dayton Intl. (DAY) to Seattle - Tacoma Intl. (SEA). Some common connection points include O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), and Dallas-Fort Worth Intl. (DFW).
What is the earliest flight from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from James M. Cox Dayton Intl. (DAY) to Seattle - Tacoma Intl. (SEA) typically departs around 5:00 AM. This route is operated by United and Delta. This is a seasonal service, active only in May. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll find the most flights from James M. Cox Dayton Intl. (DAY) to Seattle - Tacoma Intl. (SEA) on a Friday, with around 27 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include American Airlines, United, and Alaska Airlines. Fridays offer notably more flight options compared to other days of the week, making it a popular choice for travellers.
What are the most popular departure times for flights from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from James M. Cox Dayton Intl. (DAY) to Seattle - Tacoma Intl. (SEA) are in the early morning, from 6am to 9am. Many major carriers, including American Airlines, United and Delta, offer flights during this window. Many travellers prefer this because it allows for an early start to their journey, often leading to an earlier arrival at their destination.
How long does it take to fly from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are no nonstop flights from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). The distance between these two cities is approximately 3141 kilometres. Flights with one stop typically take around 9 hours. If you have two or more stops, your travel time will increase to about 11 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Yes, you can fly business class or first class between DAY and SEA. You can fly business class with Delta.First class cabins are available on Alaska Airlines, United, Delta, and American Airlines.
How do I earn miles on a Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle, WA (SEA) from Dayton, OH (DAY)?
If you're planning to travel to Seattle from James M. Cox Dayton Intl. (DAY), you can fly directly into Seattle - Tacoma Intl. (SEA) which offers international flights and connections. Some flights may connect through major hubs like O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), or Washington Dulles Intl. (IAD) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Dayton, OH (DAY-James M. Cox Dayton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
James M. Cox Dayton Intl.
Destination airport
Seattle - Tacoma Intl.
Roundtrip price
CA $554
Distance
3122 km

Book with confidence

Vandalia to Seattle Flights

The easy way to book your flights from Dayton to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from Dayton whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Dayton to Seattle today, tomorrow, or this week.  

 

Save dollars with cheap flights from James M. Cox Dayton Intl., DAY to Seattle - Tacoma Intl., SEA 

Sort your search results by price to find great deals on your flight from Dayton to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Dayton currently is just CA $554 rising to CA $845.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seattle  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Seattle from Dayton 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.

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