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Cheap flights from Kentucky to Seattle from $110

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 7/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Kentucky to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:32 pm - 10:06 am
TYS
-
SEA
16h 34m
1 stop
Frontier Logo
7:41 pm - 7:37 pm
SEA
-
TYS
20h 56m
1 stop
$226Frontier
Mon, Jun 1 - Tue, Jun 9
Frontier Logo
8:32 pm - 10:06 am
TYS
-
SEA
16h 34m
1 stop
Frontier Logo
7:41 pm - 7:37 pm
SEA
-
TYS
20h 56m
1 stop
$236Frontier
Mon, Jun 1 - Tue, Jun 9
Multiple Airlines Logo
6:00 am - 10:06 am
TYS
-
SEA
31h 06m
2 stops
Multiple Airlines Logo
7:41 pm - 7:37 pm
SEA
-
TYS
20h 56m
1 stop
$290Multiple Airlines
Mon, Jun 1 - Tue, Jun 9
Multiple Airlines Logo
7:25 am - 9:48 am
TYS
-
SEA
29h 23m
2 stops
Multiple Airlines Logo
7:41 pm - 7:37 pm
SEA
-
TYS
20h 56m
1 stop
$304Multiple Airlines
Mon, Jun 8 - Thu, Jun 11
Delta Logo
3:30 pm - 9:49 pm
LEX
-
SEA
9h 19m
1 stop
Delta Logo
5:20 am - 5:21 pm
SEA
-
LEX
9h 01m
1 stop
$349Delta
Sat, Jul 4 - Wed, Jul 22
Delta Logo
6:04 pm - 10:33 pm
LEX
-
SEA
7h 29m
1 stop
Delta Logo
5:20 am - 5:21 pm
SEA
-
LEX
9h 01m
1 stop
$359Delta
Tue, Jul 21 - Tue, Jul 28
American Airlines Logo
4:04 pm - 8:39 pm
TRI
-
SEA
7h 35m
1 stop
American Airlines Logo
5:05 am - 4:55 pm
SEA
-
TRI
8h 50m
1 stop
$379American Airlines
Wed, Sep 23 - Wed, Oct 7
American Airlines Logo
6:52 pm - 12:24 am
LEX
-
SEA
8h 32m
1 stop
American Airlines Logo
11:58 pm - 10:42 am
SEA
-
LEX
7h 44m
1 stop
$384American Airlines
Sat, May 23 - Sun, May 31
Southwest Logo
7:10 pm - 11:30 pm
SDF
-
SEA
7h 20m
1 stop
Southwest Logo
7:10 am - 5:55 pm
SEA
-
SDF
7h 45m
1 stop
$397Southwest
Mon, Aug 24 - Tue, Aug 25
Southwest Logo
8:45 am - 5:45 pm
SDF
-
SEA
12h 00m
2 stops
Southwest Logo
11:20 am - 8:35 pm
SEA
-
SDF
6h 15m
1 stop
$400Southwest
Wed, Nov 4 - Wed, Nov 11

Frontier flights from Kentucky to Seattle

Our best Frontier deals on Kentucky to Seattle flight tickets
Frontier
Jun 1
TYS8:32 pmKnoxville McGhee Tyson
16h 34m
1 stop
SEA10:06 amSeattle/Tacoma Intl
Jun 9
SEA7:41 pmSeattle/Tacoma Intl
20h 56m
1 stop
TYS7:37 pmKnoxville McGhee Tyson
$226
Frontier
Jun 1
TYS8:32 pmKnoxville McGhee Tyson
16h 34m
1 stop
SEA10:06 amSeattle/Tacoma Intl
Jun 9
SEA7:41 pmSeattle/Tacoma Intl
20h 56m
1 stop
TYS7:37 pmKnoxville McGhee Tyson
$236
Frontier
Jun 2
BNA7:17 pmNashville Intl
16h 49m
1 stop
SEA10:06 amSeattle/Tacoma Intl
Jun 9
SEA7:41 pmSeattle/Tacoma Intl
13h 43m
1 stop
BNA11:24 amNashville Intl
$237

American Airlines flights from Kentucky to Seattle

Our best American Airlines deals on Kentucky to Seattle flight tickets
American Airlines
Sep 23
TRI4:04 pmBlountville Tri Cities TN/VA
7h 35m
1 stop
SEA8:39 pmSeattle/Tacoma Intl
Oct 7
SEA5:05 amSeattle/Tacoma Intl
8h 50m
1 stop
TRI4:55 pmBlountville Tri Cities TN/VA
$379
American Airlines
May 23
LEX6:52 pmLexington Blue Grass
8h 32m
1 stop
SEA12:24 amSeattle/Tacoma Intl
May 31
SEA11:58 pmSeattle/Tacoma Intl
7h 44m
1 stop
LEX10:42 amLexington Blue Grass
$384
American Airlines
Jun 5
LEX6:36 pmLexington Blue Grass
9h 05m
1 stop
SEA12:41 amSeattle/Tacoma Intl
Jun 13
SEA5:15 amSeattle/Tacoma Intl
7h 50m
1 stop
LEX4:05 pmLexington Blue Grass
$385

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 May 11, 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

Mon 6/1

8:32 pm-10:06 am

1 stop16h 34m

Seattle/Tacoma Intl

Tue 6/9

7:41 pm-7:37 pm

1 stop20h 56m

$226

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Mon 6/1

8:32 pm-10:06 am

1 stop16h 34m

Seattle/Tacoma Intl

Tue 6/9

7:41 pm-7:37 pm

1 stop20h 56m

$236

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Mon 6/1

6:00 am-10:06 am

2 stops31h 06m

Seattle/Tacoma Intl

Tue 6/9

7:41 pm-7:37 pm

1 stop20h 56m

$290

KnoxvilleSeattle

TYS - SEA

TYSSEA

Knoxville McGhee Tyson

Mon 6/8

7:25 am-9:48 am

2 stops29h 23m

Seattle/Tacoma Intl

Thu 6/11

7:41 pm-7:37 pm

1 stop20h 56m

$304

LexingtonSeattle

LEX - SEA

LEXSEA

Lexington Blue Grass

Sat 7/4

3:30 pm-9:49 pm

1 stop9h 19m

Seattle/Tacoma Intl

Wed 7/22

5:20 am-5:21 pm

1 stop9h 01m

$349

LexingtonSeattle

LEX - SEA

LEXSEA

Lexington Blue Grass

Tue 7/21

6:04 pm-10:33 pm

1 stop7h 29m

Seattle/Tacoma Intl

Tue 7/28

5:20 am-5:21 pm

1 stop9h 01m

$359

BlountvilleSeattle

TRI - SEA

TRISEA

Blountville Tri Cities TN/VA

Wed 9/23

4:04 pm-8:39 pm

1 stop7h 35m

Seattle/Tacoma Intl

Wed 10/7

5:05 am-4:55 pm

1 stop8h 50m

$379

LexingtonSeattle

LEX - SEA

LEXSEA

Lexington Blue Grass

Sat 5/23

6:52 pm-12:24 am

1 stop8h 32m

Seattle/Tacoma Intl

Sun 5/31

11:58 pm-10:42 am

1 stop7h 44m

$384
Quickest round-trip

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Mon 8/24

7:10 pm-11:30 pm

1 stop7h 20m

Seattle/Tacoma Intl

Tue 8/25

7:10 am-5:55 pm

1 stop7h 45m

$397

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Wed 11/4

8:45 am-5:45 pm

2 stops12h 00m

Seattle/Tacoma Intl

Wed 11/11

11:20 am-8:35 pm

1 stop6h 15m

$400

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, August 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 $132. If you don’t want to visit Seattle in August, then you should wait until July to fly from Kentucky, when ticket prices are also cheap, with an average price of $140.

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 $431 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 $348 on momondo.

Can stopping save me money on Kentucky to Seattle flights?

You could potentially save up to 5% on your flight if you consider stops on a Kentucky to Seattle flight.

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 53m

Direct flights

Every day

Airports in Seattle

1 airport
The fastest flight from Kentucky to Seattle takes 4h 53m
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
DeltaPriceFrom $206Free CancellationRating
7.9
8,451 reviews
Search Delta flights
Alaska AirlinesPriceFrom $237Free CancellationRating
7.9
12,352 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $264Free CancellationRating
7.4
9,699 reviews
Search United Airlines flights
American AirlinesPriceFrom $270Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
SouthwestPriceFrom $342Free CancellationRating
8.0
4,298 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
Tukwila
Puyallup
Marysville
Lakewood
Cle Elum
Federal Way
Centralia
Fife
Westport
Shoreline
Tumwater

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.

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