HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seoul

$609+ Cheap flights from Knoxville (TYS) to Seoul (SEL)

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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SEL
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Seoul with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Knoxville to Seoul

Cheapest flights from Knoxville to Seoul
Explore the most affordable flight options available from Knoxville to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.

This United Airlines deal was found by Cheapflights users on 12/26. 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.
Sat 12/275:35 pmTYS - ICN
2 stops32h 40mUnited Airlines
Fri 1/96:00 pmICN - TYS
2 stops35h 14mUnited Airlines
Deal found 12/26$1,233
This Kiwi.com deal was found by Cheapflights users on 12/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:59 pmTYS - ICN
1 stop30h 51mMultiple Airlines
Fri 1/99:55 pmICN - TYS
2 stops48h 44mMultiple Airlines
Deal found 12/26$1,788
This Korean Air deal was found by Cheapflights users on 12/26. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:30 amTYS - ICN
1 stop19h 20mKorean Air
Fri 1/99:35 amICN - TYS
1 stop16h 38mKorean Air
Deal found 12/26$2,607

Find flight deals from Knoxville to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$915
(American Airlines)

One-way from

$609
(Kiwi.com)
Provider with most accurate pricing for Knoxville McGhee Tyson-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Seoul (SEL) flights.
Search Deals
From Knoxville McGhee Tyson to Seoul (SEL)
Search Deals
One-way flight from Knoxville McGhee Tyson to Seoul (SEL)
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Seoul 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 December 26, 2025.
Use the filters below to find and compare flights from Knoxville to Seoul that are best for you.

Fly from

Knoxville

Fly to

Seoul

Route

Depart

Return

Price

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Sat 1/17

6:00 am-4:45 pm

1 stop20h 45m

Incheon Intl

Wed 1/21

7:15 pm-10:47 pm

1 stop17h 32m

$915

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Fri 1/23

4:25 pm-5:40 am

2 stops23h 15m

Incheon Intl

Fri 1/30

12:45 pm-11:44 pm

2 stops24h 59m

$920

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Thu 1/22

8:45 am-5:40 am

2 stops30h 55m

Incheon Intl

Mon 1/26

6:00 pm-10:57 am

2 stops30h 57m

$920

KnoxvilleSeoul

TYS - GMP

TYSGMP

Knoxville McGhee Tyson

Sat 1/17

6:00 am-10:55 am

2 stops38h 55m

Seoul Gimpo Intl

Wed 1/21

7:40 pm-3:46 pm

2 stops58h 06m

$922

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Tue 2/24

7:05 am-5:40 am

2 stops32h 35m

Incheon Intl

Tue 6/23

4:50 pm-10:00 am

2 stops30h 10m

$1,120

KnoxvilleSeoul

TYS - GMP

TYSGMP

Knoxville McGhee Tyson

Fri 1/23

7:54 am-10:05 pm

2 stops48h 11m

Seoul Gimpo Intl

Tue 1/27

7:40 pm-3:46 pm

2 stops58h 06m

$1,180

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Thu 2/12

5:35 am-4:45 pm

1 stop21h 10m

Incheon Intl

Tue 5/5

5:25 pm-11:47 pm

1 stop19h 22m

$1,191

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Wed 2/25

10:53 am-5:40 am

2 stops28h 47m

Incheon Intl

Tue 6/23

11:30 am-10:22 pm

2 stops23h 52m

$1,250

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Tue 2/24

10:53 am-5:40 am

2 stops28h 47m

Incheon Intl

Mon 6/22

4:50 pm-2:37 pm

2 stops34h 47m

$1,266

KnoxvilleSeoul

TYS - GMP

TYSGMP

Knoxville McGhee Tyson

Tue 2/24

7:42 am-10:05 pm

2 stops48h 23m

Seoul Gimpo Intl

Tue 6/23

7:55 am-3:42 pm

2 stops20h 47m

$1,873

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 12 results
1
2

Compare providers for flights from Knoxville to Seoul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Seoul in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-Seoul flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Knoxville-Seoul flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Knoxville-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Seoul flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Knoxville to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Knoxville 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 Knoxville to Seoul

What is the cheapest month to book a flight from Knoxville to Seoul?

Currently, October is the cheapest month in which you can book a flight from Knoxville to Seoul (average of $871). Flying from Knoxville to Seoul in June is currently the most expensive (average of $1,691). 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 TYS to SEL?

Find hourly flight availability from Knoxville to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 26, 2025.

A simple way to save on the total cost of your ticket is to fly from Knoxville to Seoul in the evening. If you’re flexible enough to do this you can expect to save up to 50% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated December 26, 2025.
Read through reviews of airlines operating flights from Knoxville to Seoul, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,064 reviews

Overall

7.2

Crew

8.0

Entertainment

6.9

Food

6.5

Boarding

7.5

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,064 reviews
American Airlines
7.2
Good
11,064 reviews

Overall

7.2

Crew

8.0

Entertainment

6.9

Food

6.5

Boarding

7.5

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Seoul. 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 from for flights from Knoxville to Seoul?

    Located just 11.3 mi from the city center, Knoxville McGhee Tyson is the airport most travelers will use when flying to Seoul from Knoxville. Booking flights from McGhee Tyson (TYS) to Seoul should be relatively easy as there are 0 daily outbound flights to Seoul from 1 airline.

  • How long is the flight from Knoxville to Seoul?

    American Airlines, United Airlines, and Japan Airlines can get you from Knoxville to Seoul in just under 20h 45m. Your travel time can differ by up to 18h 10m. There are 7008 mi between Knoxville and Seoul. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Knoxville to Seoul round-trip?

    According to our current data, American Airlines ($922), offers the cheapest pricing from Knoxville to Seoul.

  • Can I find deals for flights from Knoxville to Seoul that include hotel bookings?

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

  • How can I find direct flights from Knoxville to Seoul?

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

  • Can I find deals for business class flights from Knoxville to Seoul?

    Yes. Cheapflights offers flight deals from Knoxville to Seoul 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 Knoxville to Seoul?

    Currently, October is the cheapest month in which you can book a flight from Knoxville to Seoul (average of $871). Flying from Knoxville to Seoul in June is currently the most expensive (average of $1,691). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Knoxville to Seoul

Discover the top airline that operate flights from Knoxville to Seoul. 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 December 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$922Average$1,367FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.