An old wooden covered bridge with red accents, supported by stone pillars, surrounded by lush greenery and trees.

CA $408 Cheap Flights from Seattle (SEA) to Dayton (DAY)

View CA $408 flight on Sat, Aug 15, 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at CA $408 for one-way flights and CA $608 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Jul 14 - Sat, Sep 5
SEA
Seattle
DAY
Dayton
CA $608 Roundtrip, found 5 days ago
CA $608
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Jul 14 from Seattle to Dayton, returning Sat, Sep 5, priced at CA $608 found 5 days ago
American Airlines
Tue, Jul 14 - Sat, Sep 5
SEA
Seattle
DAY
Dayton
CA $634 Roundtrip, found 5 days ago
CA $634
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Jul 14 from Seattle to Dayton, returning Sat, Sep 5, priced at CA $634 found 5 days ago
American Airlines
Tue, Jul 14 - Sat, Sep 5
SEA
Seattle
DAY
Dayton
CA $653 Roundtrip, found 5 days ago
CA $653
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Jul 14 from Seattle to Dayton, returning Sat, Sep 5, priced at CA $653 found 5 days ago
American Airlines
Tue, Jul 14 - Sat, Sep 5
SEA
Seattle
DAY
Dayton
CA $665 Roundtrip, found 5 days ago
CA $665
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Jul 14 from Seattle to Dayton, returning Sat, Sep 5, priced at CA $665 found 5 days ago
American Airlines
Tue, Jul 14 - Sat, Sep 5
SEA
Seattle
DAY
Dayton
CA $678 Roundtrip, found 5 days ago
CA $678
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Jul 14 from Seattle to Dayton, returning Sat, Sep 5, priced at CA $678 found 5 days ago
American Airlines
Tue, Jul 14 - Sat, Sep 5
SEA
Seattle
DAY
Dayton
CA $691 Roundtrip, found 5 days ago
CA $691
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Jul 14 from Seattle to Dayton, returning Sat, Sep 5, priced at CA $691 found 5 days ago
American Airlines
Tue, Jul 14 - Sat, Sep 5
SEA
Seattle
DAY
Dayton
CA $708 Roundtrip, found 5 days ago
CA $708
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Jul 14 from Seattle to Dayton, returning Sat, Sep 5, priced at CA $708 found 5 days ago
American Airlines
Tue, Jul 14 - Sat, Sep 5
SEA
Seattle
DAY
Dayton
CA $718 Roundtrip, found 5 days ago
CA $718
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Jul 14 from Seattle to Dayton, returning Sat, Sep 5, priced at CA $718 found 5 days ago
American Airlines
Tue, Jul 14 - Sat, Sep 5
SEA
Seattle
DAY
Dayton
CA $735 Roundtrip, found 5 days ago
CA $735
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Jul 14 from Seattle to Dayton, returning Sat, Sep 5, priced at CA $735 found 5 days ago
Alaska Airlines
Tue, Jul 14 - Sat, Sep 5
SEA
Seattle
DAY
Dayton
CA $1,160 Roundtrip, found 5 days ago
CA $1,160
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Jul 14 from Seattle to Dayton, returning Sat, Sep 5, priced at CA $1,160 found 5 days ago

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton Intl.) cost?
You can find one-way and return flights from SEA to DAY 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 SEA to DAY ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton Intl.)?
The cheapest months to fly from SEA to DAY are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton Intl.)?
Enter SEA to DAY and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton Intl.)?
American Airlines is one of the cheapest airlines offering connecting return flights from Seattle - Tacoma Intl. (SEA) to James M. Cox Dayton Intl. (DAY), with prices starting from around CA$423 for flights that can be booked for departure within the next year. These flights typically include a layover in Charlotte-Douglas Intl. (CLT). 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton Intl.)?
There are approximately 48 connecting flights per day from Seattle - Tacoma Intl. (SEA) to James M. Cox Dayton Intl. (DAY). Some common connection points include O'Hare Intl. (ORD), Portland Intl. (PDX), and Denver Intl. (DEN).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton Intl.)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to James M. Cox Dayton Intl. (DAY) typically departs around 12:05 AM local time, operated by American Airlines. This is a seasonal service active in February. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton Intl.)?
You'll typically find the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton Intl.) on a Thursday, with around 38 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Alaska Airlines, United, and American Airlines.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton Intl.)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to James M. Cox Dayton Intl. (DAY) are in the morning, from 6am to 9am. Many major carriers, including American Airlines, United and Delta, offer flights during this window. Many travelers prefer this because it allows for an early start to their travel day, often leading to an earlier arrival at their destination.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton Intl.)?
There are no nonstop flights from Seattle - Tacoma Intl. (SEA) to James M. Cox Dayton Intl. (DAY), a distance of approximately 3141 kilometres. For flights with one stop, you can expect the journey to typically take around 9 hours. If your flight has two or more stops, the travel time will be longer, usually around 10 hours 30 minutes. Keep in mind that actual flight times can vary depending on the specific routing, layover durations, and weather conditions.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton Intl.)?
Yes, you can fly business class or first class between SEA and DAY. Airlines that offer business class service on this route include:
  • Alaska Airlines
  • United
  • Delta
  • American Airlines
First class cabins are available on Alaska Airlines, United, Delta, and American Airlines.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton 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 Dayton, OH (DAY) from Seattle, WA (SEA)?
If you're planning to travel to Dayton from Seattle - Tacoma Intl. (SEA), you can fly directly into James M. Cox Dayton Intl. (DAY). Some flights may connect through major hubs like Denver Intl. (DEN), San Francisco Intl. (SFO), or Portland Intl. (PDX) before reaching Dayton. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Dayton, OH (DAY-James M. Cox Dayton 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
Seattle - Tacoma Intl.
Destination airport
James M. Cox Dayton Intl.
Airlines serving
Alaska Airlines
Roundtrip price
CA $608
Distance
3122 km

Book with confidence

Seattle to Vandalia Flights

The easy way to book your flights from Seattle to Dayton 

With Expedia, it’s simple to find and book flights to Dayton from Seattle 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 James M. Cox Dayton 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 Seattle to Dayton today, tomorrow, or this week.  

 

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

Sort your search results by price to find great deals on your flight from Seattle to Dayton—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Dayton from Seattle currently is just CA $608 rising to CA $1,160.  

Here are more money-saving tips: 

  • Fly in July when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Dayton  
  • 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 Dayton from Seattle 

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 Dayton with Expedia today.

Seattle to Vandalia Flights

Explore a world of travel with Expedia

*Available to Expedia members.