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$135+ Cheap flights from Kentucky to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SEA
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from Kentucky to Seattle

Keep the following information in mind while searching for Kentucky to Seattle flight deals. Data was last updated April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$226
(Mytrip)

One-way from

$135
(Mytrip)

Popular in

July

Cheapest in

January

Average price

$477
Provider with most accurate pricing for Louisville Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Seattle/Tacoma Intl flights.
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From Kentucky to Seattle/Tacoma Intl
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One-way flight from Kentucky to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 16% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Kentucky to Seattle

Cheapest flights from Kentucky to Seattle
Explore the most affordable flight options available from Kentucky to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This Mytrip deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/13:46 pmCVG - SEA
1 stop25h 24mFrontier
Thu 6/57:12 pmSEA - CVG
1 stop26h 42mFrontier
Deal found 4/29$226
This CheapOair deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/248:35 amBNA - SEA
1 stop17h 35mSpirit Airlines
Mon 5/266:00 amSEA - BNA
1 stop21h 55mSpirit Airlines
Deal found 4/28$235
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/217:00 amCVG - SEA
Nonstop4h 52mDelta
Tue 5/2711:15 amSEA - CVG
Nonstop4h 26mDelta
Deal found 4/29$237
This Travelocity deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/157:39 pmBNA - SEA
2 stops20h 46mMultiple Airlines
Sun 5/255:40 pmSEA - BNA
Nonstop4h 19mMultiple Airlines
Deal found 4/28$238
This CheapOair deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/157:52 pmBNA - SEA
1 stop17h 39mFrontier
Sun 5/186:05 amSEA - BNA
1 stop10h 47mFrontier
Deal found 4/29$241
This Mytrip deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/110:27 pmCVG - SEA
1 stop28h 43mMultiple Airlines
Wed 8/204:58 pmSEA - CVG
1 stop25h 01mMultiple Airlines
Deal found 4/29$245
This Mytrip deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/213:51 pmSDF - SEA
2 stops35h 19mSpirit Airlines
Sat 5/243:20 pmSEA - SDF
2 stops15h 58mSpirit Airlines
Deal found 4/29$257
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2810:08 amBNA - SEA
1 stop9h 20mAmerican Airlines
Mon 6/21:10 amSEA - BNA
1 stop7h 31mAmerican Airlines
Deal found 4/29$257
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/286:40 pmCVG - SEA
Nonstop4h 55mHawaiian Airlines
Tue 6/310:10 amSEA - CVG
Nonstop4h 30mHawaiian Airlines
Deal found 4/29$257
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/286:00 amCVG - SEA
1 stop6h 50mUnited Airlines
Wed 6/410:50 amSEA - CVG
2 stops9h 53mUnited Airlines
Deal found 4/28$262
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/34:05 pmSDF - SEA
1 stop7h 14mDelta
Tue 6/1011:50 pmSEA - SDF
1 stop6h 59mDelta
Deal found 4/28$275
This Sun Country Air deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/307:45 pmBNA - SEA
1 stop23h 36mSun Country Air
Sat 6/76:24 pmSEA - BNA
1 stop19h 31mSun Country Air
Deal found 4/29$275

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2025.
Use the filters below to find and compare flights from Kentucky to Seattle that are best for you.

Fly from

Kentucky

Fly to

Seattle

Route

Depart

Return

Price

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Sun 6/1

3:46 pm-2:10 pm

1 stop25h 24m

Seattle/Tacoma Intl

Thu 6/5

7:12 pm-12:54 am

1 stop26h 42m

$226

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Wed 5/21

7:00 am-8:52 am

Nonstop4h 52m

Seattle/Tacoma Intl

Sat 5/24

11:15 am-6:41 pm

Nonstop4h 26m

$237

NashvilleSeattle

BNA - SEA

BNASEA

Nashville Intl

Thu 5/15

7:39 pm-2:25 pm

2 stops20h 46m

Seattle/Tacoma Intl

Sun 5/25

5:40 pm-11:59 pm

Nonstop4h 19m

$238

NashvilleSeattle

BNA - SEA

BNASEA

Nashville Intl

Thu 5/15

7:52 pm-11:31 am

1 stop17h 39m

Seattle/Tacoma Intl

Sun 5/18

6:05 am-6:52 pm

1 stop10h 47m

$241

NashvilleSeattle

BNA - SEA

BNASEA

Nashville Intl

Wed 5/14

6:40 pm-2:25 pm

2 stops21h 45m

Seattle/Tacoma Intl

Wed 6/4

6:00 am-1:53 pm

2 stops29h 53m

$242

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Sun 6/1

10:27 pm-12:10 am

1 stop28h 43m

Seattle/Tacoma Intl

Wed 8/20

4:58 pm-8:59 pm

1 stop25h 01m

$245

NashvilleSeattle

BNA - SEA

BNASEA

Nashville Intl

Wed 5/28

10:08 am-5:28 pm

1 stop9h 20m

Seattle/Tacoma Intl

Mon 6/2

1:10 am-10:41 am

1 stop7h 31m

$257

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Wed 5/28

6:40 pm-8:35 pm

Nonstop4h 55m

Seattle/Tacoma Intl

Tue 6/3

10:10 am-5:40 pm

Nonstop4h 30m

$257

LouisvilleSeattle

SDF - SEA

SDFSEA

Louisville Intl

Wed 5/21

3:51 pm-12:10 am

2 stops35h 19m

Seattle/Tacoma Intl

Sat 5/24

3:20 pm-10:18 am

2 stops15h 58m

$257

CincinnatiSeattle

CVG - SEA

CVGSEA

Cincinnati Cinci./N. Kentucky

Wed 5/28

6:00 am-9:50 am

1 stop6h 50m

Seattle/Tacoma Intl

Wed 6/4

10:50 am-11:43 pm

2 stops9h 53m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 60 results
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Best time to book a flight from Kentucky to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Kentucky with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kentucky to Seattle

What is the cheapest month to book a flight from Kentucky to Seattle?

Currently, January is the cheapest month in which you can book a flight from Kentucky to Seattle (average of $238). Flying from Kentucky to Seattle in July is currently the most expensive (average of $405). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KY to SEA?

Find hourly flight availability from Kentucky to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

When flying from Kentucky to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated April 30, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Kentucky to Seattle by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,405 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Kentucky?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Kentucky to Seattle. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

  • What are the cheapest airlines to fly from Kentucky to Seattle one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $136. However, be on the lookout for offers from American Airlines and Alaska Airlines, as they are both options that can get you from Kentucky to Seattle for a low price.

  • What are the most popular routes from Kentucky to Seattle?

    The most popular route from Kentucky to Seattle is Cincinnati Cinci./N. Kentucky - Seattle/Tacoma Intl. You may also consider Nashville Intl - Seattle/Tacoma Intl or Louisville Intl - Seattle/Tacoma Intl.

  • Can I find deals for flights from Kentucky to Seattle that include hotel bookings?

    Yes. In addition to deals on Kentucky to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kentucky to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to Seattle.

  • Can I find deals for business class flights from Kentucky to Seattle?

    Yes. Cheapflights offers flight deals from Kentucky to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kentucky to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Kentucky to Seattle (average of $238). Flying from Kentucky to Seattle in July is currently the most expensive (average of $405). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Kentucky?

Book flights to Kentucky if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Kent
Lynnwood
Aberdeen
Shelton
Silverdale
Redmond
Issaquah

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Alternative routes for Kentucky to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Kentucky to Seattle

Discover the top 7 airlines that operate flights from Kentucky to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$215Average$278FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$237Average$603FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$238Average$347FlexibilityNo cancel feeOn-time83%
DeltaCheapest$313Average$474FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$326Average$495FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$338Average$560FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$354Average$503FlexibilityNo cancel feeOn-time63%

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