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$628+ 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
May 18 — May 251
Mon 5/18
Mon 5/25
1 adult, Economy
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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 April 18, 2026.

This United Airlines deal was found by Cheapflights users on 4/15. 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.
Sun 9/67:19 pm
TYS
-
ICN
2 stops30h 41m
United Airlines
Thu 9/105:15 pm
ICN
-
TYS
2 stops19h 42m
United Airlines
Deal found 4/15$1,355
This American Airlines deal was found by Cheapflights users on 4/15. 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.
Mon 10/127:30 am
TYS
-
ICN
1 stop19h 15m
American Airlines
Thu 10/155:50 pm
ICN
-
TYS
1 stop17h 04m
American Airlines
Deal found 4/15$1,356
This Cathay Pacific deal was found by Cheapflights users on 4/17. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:50 am
TYS
-
ICN
2 stops41h 15m
Multiple Airlines
Tue 5/268:00 am
ICN
-
TYS
2 stops26h 59m
Multiple Airlines
Deal found 4/17$1,382
This oojo deal was found by Cheapflights users on 4/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:30 am
TYS
-
ICN
2 stops46h 00m
Qatar Airways
Wed 5/1311:45 pm
ICN
-
TYS
2 stops37h 14m
Qatar Airways
Deal found 4/15$1,449
This American Airlines deal was found by Cheapflights users on 4/17. 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 4/296:00 am
TYS
-
ICN
1 stop20h 45m
American Airlines
Tue 5/265:50 pm
ICN
-
TYS
1 stop19h 06m
American Airlines
Deal found 4/17$1,531
This BusinessClass deal was found by Cheapflights users on 4/15. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:37 pm
TYS
-
ICN
2 stops30h 08m
Japan Airlines
Thu 10/155:50 pm
ICN
-
TYS
2 stops27h 32m
Japan Airlines
Deal found 4/15$1,590
This American Airlines deal was found by Cheapflights users on 4/15. 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 4/296:00 am
TYS
-
ICN
1 stop20h 45m
American Airlines
Wed 5/135:50 pm
ICN
-
TYS
1 stop19h 06m
American Airlines
Deal found 4/15$1,593
This oojo deal was found by Cheapflights users on 4/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:31 am
TYS
-
GMP
2 stops20h 44m
Japan Airlines
Wed 5/138:00 am
GMP
-
TYS
2 stops21h 39m
Japan Airlines
Deal found 4/15$1,611
This KAYAK deal was found by Cheapflights users on 4/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:30 am
TYS
-
GMP
2 stops24h 45m
Japan Airlines
Thu 10/158:00 am
GMP
-
TYS
2 stops20h 52m
Japan Airlines
Deal found 4/15$1,621
This Qatar Airways deal was found by Cheapflights users on 4/15. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:30 am
TYS
-
ICN
2 stops46h 00m
Multiple Airlines
Wed 5/138:05 pm
ICN
-
TYS
3 stops40h 54m
Multiple Airlines
Deal found 4/15$1,634
This WestJet deal was found by Cheapflights users on 4/16. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:40 am
TYS
-
ICN
2 stops24h 05m
WestJet
Thu 5/218:45 pm
ICN
-
TYS
2 stops33h 26m
WestJet
Deal found 4/16$1,667
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Thu 5/148:00 am
TYS
-
ICN
2 stops45h 45m
Multiple Airlines
Thu 5/219:25 pm
ICN
-
TYS
1 stop27h 40m
Multiple Airlines
Deal found 4/16$1,769

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 April 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,355
(United Airlines)

One-way from

$628
(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.
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From Knoxville McGhee Tyson to Seoul (SEL)
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One-way flight from Knoxville McGhee Tyson to Seoul (SEL)
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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 April 18, 2026.
Use the filters below to find and compare flights from Knoxville to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Sun 9/6

7:19 pm-3:00 pm

2 stops30h 41m

Incheon Intl

Thu 9/10

5:15 pm-11:57 pm

2 stops19h 42m

$1,355
Quickest round-trip

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Mon 10/12

7:30 am-3:45 pm

1 stop19h 15m

Incheon Intl

Thu 10/15

5:50 pm-9:54 pm

1 stop17h 04m

$1,356

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Wed 4/29

7:50 am-2:05 pm

2 stops41h 15m

Incheon Intl

Tue 5/26

8:00 am-9:59 pm

2 stops26h 59m

$1,382

KnoxvilleSeoul

TYS - GMP

TYSGMP

Knoxville McGhee Tyson

Wed 4/29

11:31 am-9:15 pm

2 stops20h 44m

Seoul Gimpo Intl

Tue 5/26

8:00 am-5:45 pm

2 stops22h 45m

$1,611

KnoxvilleSeoul

TYS - GMP

TYSGMP

Knoxville McGhee Tyson

Thu 9/3

8:05 am-9:15 pm

2 stops24h 10m

Seoul Gimpo Intl

Mon 9/7

7:15 pm-4:35 pm

2 stops34h 20m

$1,777

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Wed 6/24

7:19 pm-3:00 pm

2 stops30h 41m

Incheon Intl

Wed 7/8

11:30 am-10:19 pm

2 stops23h 49m

$1,861

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Wed 6/24

7:59 pm-3:45 pm

2 stops30h 46m

Incheon Intl

Wed 7/8

5:50 pm-11:52 pm

1 stop19h 02m

$1,895

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Sun 9/6

7:07 am-5:50 pm

1 stop21h 43m

Incheon Intl

Thu 9/10

8:45 am-12:28 pm

1 stop16h 43m

$2,074

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Fri 5/22

4:56 pm-3:00 pm

2 stops33h 04m

Incheon Intl

Fri 6/26

11:30 am-11:54 pm

2 stops25h 24m

$2,110

KnoxvilleSeoul

TYS - GMP

TYSGMP

Knoxville McGhee Tyson

Wed 5/20

6:00 am-5:55 pm

2 stops22h 55m

Seoul Gimpo Intl

Mon 6/1

8:00 am-5:45 pm

2 stops22h 45m

$2,478

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 20 resultsSorted by cheapest first
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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Seoul flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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
No data available for this route at this time. Please check back soon.

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 April 18, 2026.
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
7.1
Good
11,607 reviews

Crew

7.9

Boarding

7.5

Entertainment

6.9

Food

6.4

Overall

7.1

Comfort

7.2

Reviews

1 / 20
4.0
Okay

Elizabeth,Mar 2026

ORD - MIA

Staff was rude and flight attendants 2 out of 3 looked like they had just been thru a hurricane.
American Airlines
7.1
Good
11,607 reviews
American Airlines
7.1
Good
11,607 reviews

Crew

7.9

Boarding

7.5

Entertainment

6.9

Food

6.4

Overall

7.1

Comfort

7.2

Reviews

1 / 20
4.0
Okay

Elizabeth,Mar 2026

ORD - MIA

Staff was rude and flight attendants 2 out of 3 looked like they had just been thru a hurricane.

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?

    United Airlines, American Airlines, and Japan Airlines can get you from Knoxville to Seoul in just under 19h 15m. Your travel time can differ by up to 11h 26m. 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 ($894), 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Knoxville to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Incheon Intl flights
Nashville to Busan flights

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 April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$894Average$1,554FlexibilityNo cancel feeOn-time71%

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