Cheap Flights from Dayton International to Seattle / Tacoma International

Compare Dayton International to Seattle / Tacoma International flight deals

Find the cheapest month or even day of the year to fly to Seattle / Tacoma International

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Flight deals from Dayton International to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best return flight from Dayton International Airport to Seattle / Tacoma International Airport? If you want to travel next month, return fares start from R 5,657. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Dayton International to Seattle / Tacoma International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dayton International to Seattle / Tacoma International flights are currently cheapest in August.

Dayton International to Seattle / Tacoma International: Alternative routes

Compare routes from Dayton International to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

Dayton to Seattle: Flight information

The things to know before you go.
Cheapest flight foundR 3,382
Cheapest month to flyAugust

Finding cheap flights from Dayton International to Seattle / Tacoma International: Frequently asked questions

The best price we found for a return flight from Dayton International to Seattle / Tacoma International is R 5,657. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Dayton International to Seattle / Tacoma International. But we found flights with one or more stops from R 5,657.
As of June 2026, there are no flights flying from Dayton International to Seattle / Tacoma International.
The cheapest month to fly from Dayton International to Seattle / Tacoma International is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dayton International Airport to Seattle / Tacoma International Airport on Saturday, 4 July 2026.
No airlines currently offer direct flights between Dayton International Airport and Seattle / Tacoma International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle / Tacoma International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, American Airlines offers the cheapest flight tickets to Seattle / Tacoma International.

Flying from James M. Cox Dayton International Airport (DAY) to Seattle-Tacoma International Airport (SEA): what you need to know

  • Seattle is three hours behind Dayton and follows the UTC-7 timezone.

  • Your DAY to SEA flight won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • You'll likely experience longer queues during popular months such as April. Arriving up to four hours in advance for international flights and two hours for domestic departures is a good idea.

  • Think about adding a stopover when booking your ticket from James M. Cox Dayton International Airport to Seattle-Tacoma International Airport. Just deselect 'Direct flights only' to break up your journey, or even explore someplace new along the way. Here are some options between DAY and SEA:

    • O'Hare International Airport

    • Denver International Airport

    • Washington Dulles International Airport

How to find the cheapest flights from James M. Cox Dayton International Airport (DAY) to Seattle-Tacoma International Airport (SEA)

  • Currently, R 3,382 is the cheapest price we've found for a one-way James M. Cox Dayton International Airport to Seattle-Tacoma International Airport flight. The best price for a return plane ticket is R 5,657. Bear in mind that fares could change due to demand at the time of booking.

  • It's usually smart to book as early as possible if you want to find cheap tickets from DAY to SEA. That's because flight prices are based on demand, which tends to increase closer to departure.

  • Getting cheap flights from James M. Cox Dayton International Airport to Seattle-Tacoma International Airport is more likely if you can be flexible with your dates. Use the 'Whole month' tool to see the lowest prices throughout the month and land a great deal.

  • Snapping up cheap flights from DAY to SEA is a cinch with Price Alerts. Simply create one of these automatic alerts and we'll let you know when there's a better deal.

  • Discover the perfect flight for you by using the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from James M. Cox Dayton International Airport to Seattle-Tacoma International Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about James M. Cox Dayton International Airport (DAY)

  • DAY's address is Terminal Building.

  • When it comes to the on-time performance of James M. Cox Dayton International Airport, data shows 77.52% of flights meet their scheduled arrival time.

  • To get to James M. Cox Dayton International Airport from central Dayton, it'll take about 15 minutes if you're travelling by car. This depends on traffic though. It's approximately 21 kilometres from the airport to the city centre.

  • Planning to take public transport? Expect a trip time of around 1 hour 15 minutes.

  • Searching for a place to stay before your flight from James M. Cox Dayton International Airport to Seattle-Tacoma International Airport? Check out Motel 6-Dayton, OH - Englewood. Enjoy a good night's sleep here before heading to DAY.

Arriving at Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • Seattle-Tacoma International Airport is roughly 23 kilometres from central Seattle. The drive time takes about 20 minutes.

  • It'll take around 55 minutes if you're travelling by public transport.

When to fly to Seattle-Tacoma International Airport (SEA)

  • It's time to choose your dates for your flight from James M. Cox Dayton International Airport to Seattle-Tacoma International Airport. July is the busiest month to visit Seattle. If you prefer a more low-key vibe, go in May.

  • When reserving your flight from James M. Cox Dayton International Airport to Seattle-Tacoma International Airport, consider the kind of weather you enjoy. August is the warmest month in Seattle, with temperatures ranging from 12ºC (54ºF) to 28ºC (82ºF).

  • Search for cheap tickets from DAY to SEA in February if you like cooler conditions. Temperatures are at their lowest around then, ranging between -1ºC (30ºF) and 11ºC (52ºF) on average.

Explore more of United States

  • Seattle is always a good idea, but there are so many other parts of United States you should also see. Around 241 kilometres south of Seattle, a trip to Portland will fill your itinerary to the brim. Don't miss top attractions like Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • Spokane is another must-experience destination in United States and is around 370 kilometres east of Seattle. No journey is complete without seeing Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.