Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Kentucky to Seattle from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kentucky to Seattle departing on 8/12. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kentucky to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:19 pm - 9:04 am
TYS
-
SEA
15h 45m
1 stop
Frontier Logo
7:06 pm - 7:24 pm
SEA
-
TYS
21h 18m
1 stop
$267Frontier
Wed, Aug 5 - Thu, Aug 13
Frontier Logo
8:19 pm - 9:04 am
TYS
-
SEA
15h 45m
1 stop
Frontier Logo
7:06 pm - 7:24 pm
SEA
-
TYS
21h 18m
1 stop
$268Frontier
Wed, Aug 5 - Thu, Aug 13
Multiple Airlines Logo
8:19 pm - 9:19 am
TYS
-
SEA
16h 00m
1 stop
Multiple Airlines Logo
7:06 pm - 1:49 pm
SEA
-
TYS
15h 43m
1 stop
$302Multiple Airlines
Mon, Aug 17 - Wed, Aug 19
Multiple Airlines Logo
7:00 am - 1:17 pm
TYS
-
SEA
9h 17m
1 stop
Multiple Airlines Logo
7:06 pm - 1:49 pm
SEA
-
TYS
15h 43m
1 stop
$304Multiple Airlines
Sun, Aug 16 - Wed, Aug 26
United Airlines Logo
5:45 pm - 10:43 pm
SDF
-
SEA
7h 58m
1 stop
United Airlines Logo
7:00 am - 5:39 pm
SEA
-
SDF
7h 39m
1 stop
$333United Airlines
Sat, Sep 5 - Sat, Sep 12
American Airlines Logo
4:01 pm - 10:19 pm
SDF
-
SEA
9h 18m
1 stop
American Airlines Logo
11:57 pm - 9:43 am
SEA
-
SDF
6h 46m
1 stop
$346American Airlines
Sat, Sep 5 - Mon, Sep 14
United Airlines Logo
3:25 pm - 9:15 pm
SDF
-
SEA
8h 50m
1 stop
United Airlines Logo
11:00 pm - 9:38 am
SEA
-
SDF
7h 38m
1 stop
$347United Airlines
Mon, Aug 24 - Tue, Sep 1
Southwest Logo
11:50 am - 5:30 pm
SDF
-
SEA
8h 40m
1 stop
Southwest Logo
11:05 pm - 11:20 am
SEA
-
SDF
9h 15m
1 stop
$348Southwest
Tue, Sep 1 - Tue, Sep 8
American Airlines Logo
7:13 am - 1:09 pm
SDF
-
SEA
8h 56m
1 stop
American Airlines Logo
5:24 am - 3:44 pm
SEA
-
SDF
7h 20m
1 stop
$349American Airlines
Wed, Nov 4 - Mon, Nov 9
Southwest Logo
1:15 pm - 5:55 pm
SDF
-
SEA
7h 40m
1 stop
Southwest Logo
11:05 pm - 12:10 pm
SEA
-
SDF
10h 05m
2 stops
$353Southwest
Tue, Sep 1 - Tue, Sep 8

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Frontier flights from Kentucky to Seattle

Our best Frontier deals on Kentucky to Seattle flight tickets
Frontier
Aug 5
TYS8:19 pmKnoxville McGhee Tyson
15h 45m
1 stop
SEA9:04 amSeattle/Tacoma Intl
Aug 13
SEA7:06 pmSeattle/Tacoma Intl
21h 18m
1 stop
TYS7:24 pmKnoxville McGhee Tyson
$267
Frontier
Aug 5
TYS8:19 pmKnoxville McGhee Tyson
15h 45m
1 stop
SEA9:04 amSeattle/Tacoma Intl
Aug 13
SEA7:06 pmSeattle/Tacoma Intl
21h 18m
1 stop
TYS7:24 pmKnoxville McGhee Tyson
$268
Frontier
Jul 27
TYS8:19 pmKnoxville McGhee Tyson
15h 58m
1 stop
SEA9:17 amSeattle/Tacoma Intl
Aug 4
SEA7:06 pmSeattle/Tacoma Intl
21h 18m
1 stop
TYS7:24 pmKnoxville McGhee Tyson
$278

Delta flights from Kentucky to Seattle

Our best Delta deals on Kentucky to Seattle flight tickets
Delta
Jun 30
SDF5:59 pmLouisville Intl
9h 00m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
Jul 4
SEA6:05 amSeattle/Tacoma Intl
6h 41m
1 stop
SDF3:46 pmLouisville Intl
$311
Delta
Oct 17
SDF5:45 pmLouisville Intl
9h 24m
1 stop
SEA12:09 amSeattle/Tacoma Intl
Oct 20
SEA6:00 amSeattle/Tacoma Intl
7h 51m
1 stop
SDF4:51 pmLouisville Intl
$355
Delta
Aug 22
BNA7:11 amNashville Intl
4h 54m
SEA10:05 amSeattle/Tacoma Intl
Sep 1
SEA5:30 pmSeattle/Tacoma Intl
4h 25m
BNA11:55 pmNashville Intl
$367

momondo Fare Finder

 
Customize your flight search to find flights from Kentucky 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 June 27, 2026.
Use the filters below to find and compare flights from Kentucky to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Wed 8/5

8:19 pm-9:04 am

1 stop15h 45m

Seattle/Tacoma Intl

Thu 8/13

7:06 pm-7:24 pm

1 stop21h 18m

$267

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Wed 8/5

8:19 pm-9:04 am

1 stop15h 45m

Seattle/Tacoma Intl

Thu 8/13

7:06 pm-7:24 pm

1 stop21h 18m

$268

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Mon 8/17

8:19 pm-9:19 am

1 stop16h 00m

Seattle/Tacoma Intl

Wed 8/19

7:06 pm-1:49 pm

1 stop15h 43m

$302

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Sun 8/16

7:00 am-1:17 pm

1 stop9h 17m

Seattle/Tacoma Intl

Wed 8/26

7:06 pm-1:49 pm

1 stop15h 43m

$304
Quickest round-trip

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Sat 9/5

5:45 pm-10:43 pm

1 stop7h 58m

Seattle/Tacoma Intl

Sat 9/12

7:00 am-5:39 pm

1 stop7h 39m

$333

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Sat 9/5

4:01 pm-10:19 pm

1 stop9h 18m

Seattle/Tacoma Intl

Mon 9/14

11:57 pm-9:43 am

1 stop6h 46m

$346

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Mon 8/24

3:25 pm-9:15 pm

1 stop8h 50m

Seattle/Tacoma Intl

Tue 9/1

11:00 pm-9:38 am

1 stop7h 38m

$347

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Tue 9/1

11:50 am-5:30 pm

1 stop8h 40m

Seattle/Tacoma Intl

Tue 9/8

11:05 pm-11:20 am

1 stop9h 15m

$348

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Wed 11/4

7:13 am-1:09 pm

1 stop8h 56m

Seattle/Tacoma Intl

Mon 11/9

5:24 am-3:44 pm

1 stop7h 20m

$349

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Tue 9/1

1:15 pm-5:55 pm

1 stop7h 40m

Seattle/Tacoma Intl

Tue 9/8

11:05 pm-12:10 pm

2 stops10h 05m

$353

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Seattle from

How to get the cheapest flight ticket from Kentucky 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, April is the cheapest month to fly from Kentucky to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $157. If you don’t want to visit Seattle in April, then you should wait until January to fly from Kentucky, when ticket prices are also cheap, with an average price of $224.

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

You are more likely to see cheaper flights to Seattle from Kentucky when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $446 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Kentucky for as low as $372 on momondo.

Cheap Kentucky to Seattle flight deals and tips

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

Fastest flight time

4h 49m

Direct flights

Every day

Airports in Seattle

1 airport
The fastest flight from Kentucky to Seattle takes 4h 49m
Direct flights go from Kentucky to Seattle every day.
There is 1 airport in Seattle. From Kentucky there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

Frequently asked questions about flying from Kentucky to Seattle

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

    Prices for flights from Kentucky to Seattle/Tacoma Intl Airport refresh daily.

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

  • How old do you have to be to fly from Kentucky 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 Kentucky to Seattle/Tacoma Intl Airport.

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

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Kentucky to Seattle

Compare and see reviews for airlines that fly from Kentucky to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $237Free CancellationRating
7.9
12,582 reviews
Search Alaska Airlines flights
DeltaPriceFrom $247Free CancellationRating
7.8
8,451 reviews
Search Delta flights
American AirlinesPriceFrom $280Free CancellationRating
7.1
11,778 reviews
Search American Airlines flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
9,896 reviews
Search United Airlines flights
SouthwestPriceFrom $350Free CancellationRating
7.9
4,246 reviews
Search Southwest 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
Redmond
Kent
Lakewood
Puyallup
Tukwila
Federal Way
Fife
Cle Elum
Marysville
Centralia
Kirkland
Shoreline
Westport

Why use momondo?

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

It is quick and easy to find Kentucky to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

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

Flights from Kentucky to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Kentucky.

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

If you are not ready to book a flight from Kentucky to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 7/27
Mon 8/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States