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Cheap flights from Dayton to Seattle from $287

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dayton to Seattle departing on 11/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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Delta Logo
6:34 pm - 11:58 pmDAY-SEA
8h 24m1 stop
Delta Logo
6:00 am - 5:47 pmSEA-DAY
8h 47m1 stop
$289Delta
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Fri, Dec 12 - Tue, Dec 16
United Airlines Logo
10:45 am - 5:57 pmDAY-SEA
10h 12m2 stops
United Airlines Logo
11:50 pm - 11:03 amSEA-DAY
8h 13m1 stop
$294United Airlines
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Tue, Apr 28 - Tue, May 5
United Airlines Logo
11:43 am - 4:07 pmDAY-SEA
7h 24m1 stop
United Airlines Logo
5:00 am - 7:17 pmSEA-DAY
11h 17m2 stops
$318United Airlines
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Fri, Dec 12 - Tue, Dec 16
Delta Logo
6:44 pm - 9:17 amDAY-SEA
17h 33m2 stops
Delta Logo
11:55 am - 11:59 pmSEA-DAY
9h 04m1 stop
$337Delta
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Fri, Feb 27 - Tue, Mar 3
United Airlines Logo
10:45 am - 4:25 pmDAY-SEA
8h 40m1 stop
United Airlines Logo
2:16 pm - 11:29 pmSEA-DAY
6h 13m1 stop
$350United Airlines
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Thu, Apr 9 - Wed, Apr 15
Delta Logo
6:40 pm - 12:16 amDAY-SEA
8h 36m1 stop
Delta Logo
11:40 pm - 10:25 amSEA-DAY
7h 45m1 stop
$354Delta
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Mon, Mar 16 - Mon, Apr 13
Alaska Airlines Logo
12:06 pm - 6:01 pmDAY-SEA
8h 55m1 stop
Alaska Airlines Logo
9:16 am - 8:59 pmSEA-DAY
8h 43m1 stop
$379Alaska Airlines
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Fri, Feb 27 - Tue, Mar 3
United Airlines Logo
5:53 pm - 10:32 pmDAY-SEA
7h 39m1 stop
United Airlines Logo
7:02 pm - 9:47 amSEA-DAY
11h 45m2 stops
$384United Airlines
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Wed, Mar 18 - Sun, Apr 12
United Airlines Logo
2:10 pm - 11:16 pmDAY-SEA
12h 06m2 stops
United Airlines Logo
7:02 pm - 9:47 amSEA-DAY
11h 45m2 stops
$389United Airlines
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Tue, Mar 17 - Sun, Apr 12
United Airlines Logo
11:00 am - 9:17 pmDAY-SEA
13h 17m3 stops
United Airlines Logo
7:02 pm - 9:47 amSEA-DAY
11h 45m2 stops
$394United Airlines
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Tue, Mar 17 - Sat, Apr 11

American Airlines flights from Dayton to Seattle

Our best American Airlines deals on Dayton to Seattle flight tickets
American Airlines
Nov 13
DAY8:38 amDayton
8h 16m
1 stop
SEA1:54 pmSeattle/Tacoma Intl
Dec 5
SEA12:38 amSeattle/Tacoma Intl
8h 42m
1 stop
DAY12:20 pmDayton
$404
Find similar
American Airlines
Mar 17
DAY12:09 pmDayton
9h 45m
1 stop
SEA6:54 pmSeattle/Tacoma Intl
Apr 11
SEA7:53 amSeattle/Tacoma Intl
6h 50m
1 stop
DAY5:43 pmDayton
$424
Find similar
American Airlines
Feb 27
DAY4:17 pmDayton
10h 15m
1 stop
SEA11:32 pmSeattle/Tacoma Intl
Mar 2
SEA12:59 amSeattle/Tacoma Intl
7h 37m
1 stop
DAY11:36 amDayton
$487
Find similar

United Airlines flights from Dayton to Seattle

Our best United Airlines deals on Dayton to Seattle flight tickets
United Airlines
Apr 28
DAY10:45 amDayton
10h 12m
2 stops
SEA5:57 pmSeattle/Tacoma Intl
May 5
SEA11:50 pmSeattle/Tacoma Intl
8h 13m
1 stop
DAY11:03 amDayton
$294
Find similar
United Airlines
Dec 12
DAY11:43 amDayton
7h 24m
1 stop
SEA4:07 pmSeattle/Tacoma Intl
Dec 16
SEA5:00 amSeattle/Tacoma Intl
11h 17m
2 stops
DAY7:17 pmDayton
$318
Find similar
United Airlines
Apr 9
DAY10:45 amDayton
8h 40m
1 stop
SEA4:25 pmSeattle/Tacoma Intl
Apr 15
SEA2:16 pmSeattle/Tacoma Intl
6h 13m
1 stop
DAY11:29 pmDayton
$350
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momondo 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, momondo users made 832,500 searches. Data last updated November 12, 2025.
Use the filters below to find and compare flights from Dayton to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Fri 12/12

6:34 pm-11:58 pm

1 stop8h 24m

Seattle/Tacoma Intl

Tue 12/16

6:00 am-5:47 pm

1 stop8h 47m

$289

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Tue 4/28

10:45 am-5:57 pm

2 stops10h 12m

Seattle/Tacoma Intl

Tue 5/5

11:50 pm-11:03 am

1 stop8h 13m

$294

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Fri 12/12

11:43 am-4:07 pm

1 stop7h 24m

Seattle/Tacoma Intl

Tue 12/16

5:00 am-7:17 pm

2 stops11h 17m

$318

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Fri 2/27

6:44 pm-9:17 am

2 stops17h 33m

Seattle/Tacoma Intl

Tue 3/3

11:55 am-11:59 pm

1 stop9h 04m

$337

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Thu 4/9

10:45 am-4:25 pm

1 stop8h 40m

Seattle/Tacoma Intl

Wed 4/15

2:16 pm-11:29 pm

1 stop6h 13m

$350

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Mon 3/16

6:40 pm-12:16 am

1 stop8h 36m

Seattle/Tacoma Intl

Mon 4/13

11:40 pm-10:25 am

1 stop7h 45m

$354

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Fri 2/27

12:06 pm-6:01 pm

1 stop8h 55m

Seattle/Tacoma Intl

Tue 3/3

9:16 am-8:59 pm

1 stop8h 43m

$379

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Wed 3/18

5:53 pm-10:32 pm

1 stop7h 39m

Seattle/Tacoma Intl

Sun 4/12

7:02 pm-9:47 am

2 stops11h 45m

$384

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Tue 3/17

2:10 pm-11:16 pm

2 stops12h 06m

Seattle/Tacoma Intl

Sun 4/12

7:02 pm-9:47 am

2 stops11h 45m

$389

DaytonSeattle

DAY - SEA

DAYSEA

Dayton

Tue 3/17

11:00 am-9:17 pm

3 stops13h 17m

Seattle/Tacoma Intl

Sat 4/11

7:02 pm-9:47 am

2 stops11h 45m

$394

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Dayton to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Dayton to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $352. If you don’t want to visit Seattle in February, then you should wait until April to fly from Dayton, when ticket prices are also cheap, with an average price of $378.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Dayton is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $461. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Dayton because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $706.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Dayton in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $505 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the evening, with an average ticket price of $586. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Dayton when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $458 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Dayton for as low as $257 on momondo.

How have Dayton to Seattle flight prices changed over time?

As of November 2025, prices for Dayton to Seattle flights are approximately 32% more expensive when compared to flights at the same time last year.

When to book flights from Dayton to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Dayton to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Dayton to Seattle (DAY to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dayton to Seattle

Direct flights

None
There are no direct flights from Dayton to Seattle. There are no popular flight routes from Dayton to Seattle.
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  • How far is Dayton to Seattle/Tacoma Intl by plane?

    Seattle/Tacoma Intl is 1958.5 mi away from Dayton. Typically, this will take 6h 55m by plane in normal conditions.

  • When did momondo last update prices for flights from Dayton Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Dayton Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Dayton Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Dayton Airport to Seattle/Tacoma Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dayton Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Dayton to Seattle?

Best airlines flying from Dayton to Seattle

Compare and see reviews for airlines that fly from Dayton to Seattle with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $218Free CancellationRating
7.9
8,009 reviews
Search Delta flights
American AirlinesPriceFrom $283Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $292Free CancellationRating
8.0
11,281 reviews
Search Alaska Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Puyallup
Marysville
Redmond
Tukwila
Lakewood
Federal Way
Fife
Cle Elum
Centralia
Kirkland
Westport
Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Dayton to Seattle?

Finding the right flight to Seattle from Dayton is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from Dayton to Seattle with flexible booking policies on momondo?

Yes. All flights to Seattle from Dayton on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Dayton to Seattle?

momondo helps you find the best flight between Dayton and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Dayton to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from Dayton are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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