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$510+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SEL
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap 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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,464
(United Airlines)

One-way from

$510
(Kiwi.com)

Popular in

July

Cheapest in

August

Average price

$1,534
Provider with most accurate pricing for Knoxville McGhee Tyson-Seoul (SEL) flight deals.
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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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Highest demand for flights based on searches. 10% potential increase in price ($185 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($102 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find 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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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 9/137:00 amTYS - ICN
2 stops32h 20mUnited Airlines
Sat 9/204:50 pmICN - TYS
2 stops18h 40mUnited Airlines
Deal found 4/30$1,464
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1312:03 pmTYS - ICN
2 stops41h 42mWestJet
Sat 6/288:45 pmICN - TYS
2 stops26h 10mWestJet
Deal found 4/29$1,559
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2512:34 pmTYS - ICN
2 stops33h 46mFinnair
Fri 8/159:50 pmICN - TYS
2 stops36h 55mFinnair
Deal found 4/29$1,950
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 9/136:08 amTYS - ICN
1 stop20h 22mAmerican Airlines
Sat 9/205:25 pmICN - TYS
1 stop17h 25mAmerican Airlines
Deal found 4/30$1,953
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 9/135:30 amTYS - ICN
2 stops25h 10mMultiple Airlines
Sat 9/209:20 amICN - TYS
1 stop18h 45mMultiple Airlines
Deal found 4/30$1,956
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/138:06 amTYS - GMP
2 stops48h 44mJapan Airlines
Sat 9/207:55 amGMP - TYS
2 stops26h 39mJapan Airlines
Deal found 4/30$1,999
This Japan Airlines deal was found by Cheapflights users on 4/30. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/138:06 amTYS - GMP
2 stops37h 39mMultiple Airlines
Sat 9/207:55 amGMP - TYS
2 stops21h 43mMultiple Airlines
Deal found 4/30$2,027
This oojo deal was found by Cheapflights users on 4/30. 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.
Fri 10/34:35 pmTYS - ICN
2 stops35h 30mQatar Airways
Thu 10/91:20 amICN - TYS
2 stops53h 05mQatar Airways
Deal found 4/30$2,098
This KAYAK deal was found by Cheapflights users on 4/30. 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.
Sat 9/135:45 amTYS - ICN
3 stops45h 15mEthiopian Air
Fri 9/1912:35 amICN - TYS
3 stops51h 05mEthiopian Air
Deal found 4/30$2,842
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/257:50 amTYS - ICN
1 stop19h 35mKorean Air
Fri 8/1510:15 amICN - TYS
1 stop24h 12mKorean Air
Deal found 4/29$3,285

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 May 1, 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 9/13

7:00 am-4:20 am

2 stops32h 20m

Incheon Intl

Sat 9/20

4:50 pm-10:30 pm

2 stops18h 40m

$1,464

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Fri 6/13

12:03 pm-6:45 pm

2 stops41h 42m

Incheon Intl

Sat 6/28

8:45 pm-9:55 am

2 stops26h 10m

$1,559

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Sun 5/25

12:34 pm-11:20 am

2 stops33h 46m

Incheon Intl

Fri 8/15

9:50 pm-9:45 pm

2 stops36h 55m

$1,950

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Sat 9/13

6:08 am-3:30 pm

1 stop20h 22m

Incheon Intl

Sat 9/20

5:25 pm-9:50 pm

1 stop17h 25m

$1,953

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Sat 9/13

5:30 am-7:40 pm

2 stops25h 10m

Incheon Intl

Sat 9/20

9:20 am-3:05 pm

1 stop18h 45m

$1,956

KnoxvilleSeoul

TYS - GMP

TYSGMP

Knoxville McGhee Tyson

Sat 9/13

8:06 am-9:50 pm

2 stops48h 44m

Seoul Gimpo Intl

Sat 9/20

7:55 am-9:34 pm

2 stops26h 39m

$1,999

KnoxvilleSeoul

TYS - GMP

TYSGMP

Knoxville McGhee Tyson

Sat 9/13

8:06 am-10:45 am

2 stops37h 39m

Seoul Gimpo Intl

Sat 9/20

7:55 am-4:38 pm

2 stops21h 43m

$2,027

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Fri 10/3

4:35 pm-5:05 pm

2 stops35h 30m

Incheon Intl

Thu 10/9

1:20 am-5:25 pm

2 stops53h 05m

$2,098

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Sat 9/13

5:45 am-4:00 pm

3 stops45h 15m

Incheon Intl

Fri 9/19

12:35 am-2:40 pm

3 stops51h 05m

$2,842

KnoxvilleIncheon

TYS - ICN

TYSICN

Knoxville McGhee Tyson

Sun 5/25

7:50 am-4:25 pm

1 stop19h 35m

Incheon Intl

Fri 8/15

10:15 am-9:27 pm

1 stop24h 12m

$3,285

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 17 results
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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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ScholarTripPrice Accuracy3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Knoxville-Seoul flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 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 May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Knoxville to Seoul as you normally would.

Rainfall in Seoul by month

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

In terms of precipitation, rainfall in Seoul ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul when rainfall is around 1.1 in.

Temperature in Seoul by month

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

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 May 1, 2025.
Korean Air
8.4
Very good
1,068 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,068 reviews
Korean Air
8.4
Very good
1,068 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Japan Airlines
8.3
Very good
1,464 reviews
Korean Air
8.4
Very good
1,068 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Finnair
7.6
Good
1,275 reviews
Korean Air
8.4
Very good
1,068 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Qatar Airways
7.4
Good
3,563 reviews
Korean Air
8.4
Very good
1,068 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
United Airlines
7.4
Good
8,696 reviews
Korean Air
8.4
Very good
1,068 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Boarding

8.5

Crew

8.7

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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.

  • What are the cheapest airlines flying from Knoxville to Seoul round-trip?

    According to our current data, United Airlines ($1,464), WestJet ($1,559), and Finnair ($1,950) offers the cheapest pricing from Knoxville to Seoul. Users have found that United Airlines is 7% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Knoxville to Seoul one-way?

    $635 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $749 and $1,079, respectively.

  • 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, February is the cheapest month in which you can book a flight from Knoxville to Seoul (average of $1,001). Flying from Knoxville to Seoul in December is currently the most expensive (average of $1,635). 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

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$1,087Average$1,377FlexibilityNo cancel feeOn-time71%

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