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$369+ Cheap flights from Seoul (SEL) to Dallas

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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — DFW
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Seoul to Dallas are usually found in March or February, booked 62 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Seoul to Dallas

Cheapest flights from Seoul to Dallas
Explore the most affordable flight options available from Seoul to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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 12/2712:45 pmICN - DFW
1 stop31h 25mUnited Airlines
Wed 1/71:18 pmDFW - ICN
2 stops25h 22mUnited Airlines
Deal found 12/11$816
This Delta deal was found by Cheapflights users on 12/11. 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.
Sat 12/278:05 pmICN - DFW
1 stop18h 45mDelta
Wed 1/711:25 amDFW - ICN
Nonstop15h 10mDelta
Deal found 12/11$835
This Trip.com deal was found by Cheapflights users on 12/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/278:35 pmICN - DFW
1 stop25h 25mHawaiian Airlines
Wed 1/78:00 amDFW - ICN
1 stop19h 35mHawaiian Airlines
Deal found 12/11$844
This Delta deal was found by Cheapflights users on 12/10. 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.
Fri 12/198:05 pmICN - DFW
1 stop18h 45mDelta
Sun 1/44:00 pmDFW - ICN
1 stop34h 35mDelta
Deal found 12/10$889
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/1912:45 pmICN - DFW
2 stops19h 21mUnited Airlines
Sun 1/46:15 pmDFW - ICN
2 stops31h 00mUnited Airlines
Deal found 12/11$914
This American Airlines deal was found by Cheapflights users on 12/9. 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.
Tue 12/307:15 pmICN - DFW
Nonstop12h 45mAmerican Airlines
Tue 2/2410:05 amDFW - ICN
Nonstop15h 40mAmerican Airlines
Deal found 12/9$921
This Asiana Airlines deal was found by Cheapflights users on 12/10. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:00 pmICN - DFW
1 stop34h 03mMultiple Airlines
Wed 2/257:27 pmDFW - ICN
1 stop18h 53mMultiple Airlines
Deal found 12/10$954
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/246:00 pmICN - DFW
2 stops29h 51mUnited Airlines
Sun 1/45:00 amDFW - ICN
1 stop20h 15mUnited Airlines
Deal found 12/10$965
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/206:00 pmICN - DFW
2 stops31h 56mUnited Airlines
Sat 1/37:25 amDFW - ICN
1 stop31h 15mUnited Airlines
Deal found 12/11$969
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:00 amGMP - DFW
2 stops25h 37mJapan Airlines
Tue 2/2410:45 amDFW - GMP
1 stop20h 20mJapan Airlines
Deal found 12/11$1,418
This Ovago deal was found by Cheapflights users on 12/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/198:00 amGMP - DFW
1 stop14h 35mJapan Airlines
Sun 1/41:45 pmDFW - GMP
1 stop30h 10mJapan Airlines
Deal found 12/11$1,546
This WhyPayMore deal was found by Cheapflights users on 12/11. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/278:00 amGMP - DFW
2 stops24h 50mJapan Airlines
Wed 1/710:45 amDFW - GMP
1 stop20h 20mJapan Airlines
Deal found 12/11$1,567

Find flight deals from Seoul to Dallas

Discover tips and strategies to find the most affordable flight options for your journey from Seoul (SEL) to Dallas (A78). 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 12, 2025.

Round-trip from

$718
(SmartFares)

One-way from

$369
(Trip.com)

Popular in

July

Cheapest in

March

Average price

$1,036
From Seoul (SEL) to Dallas
Search Deals
One-way flight from Seoul (SEL) to Dallas
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($299 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul to Dallas 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 12, 2025.
Use the filters below to find and compare flights from Seoul to Dallas that are best for you.

Fly from

Seoul

Fly to

Dallas

Route

Depart

Return

Price

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Sat 1/24

8:35 pm-9:49 pm

1 stop16h 14m

Dallas/Fort Worth

Sat 1/31

8:00 am-6:35 pm

1 stop19h 35m

$718

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Mon 2/16

9:00 pm-11:59 pm

1 stop17h 59m

Dallas/Fort Worth

Fri 2/27

9:00 am-5:20 am

1 stop29h 20m

$733

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Wed 1/21

12:45 pm-8:40 pm

2 stops22h 55m

Dallas/Fort Worth

Thu 1/22

7:44 pm-5:40 am

1 stop18h 56m

$764

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Fri 1/16

12:45 pm-11:54 pm

1 stop26h 09m

Dallas/Fort Worth

Tue 2/10

1:42 pm-5:40 am

2 stops24h 58m

$765

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Thu 2/12

12:45 pm-10:30 pm

1 stop24h 45m

Dallas/Fort Worth

Sun 3/15

5:20 pm-4:40 am

2 stops45h 20m

$765

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Thu 1/22

12:45 pm-4:20 pm

1 stop18h 35m

Dallas/Fort Worth

Mon 3/16

4:55 pm-4:40 am

2 stops21h 45m

$765

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Wed 1/28

12:45 pm-4:20 pm

1 stop18h 35m

Dallas/Fort Worth

Wed 3/11

6:15 pm-4:40 am

2 stops20h 25m

$765

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Fri 1/23

12:45 pm-11:13 pm

2 stops25h 28m

Dallas/Fort Worth

Sun 2/1

7:44 pm-4:15 pm

1 stop29h 31m

$765

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Fri 1/16

6:00 pm-11:28 am

2 stops32h 28m

Dallas/Fort Worth

Fri 2/13

7:30 am-4:15 pm

1 stop17h 45m

$765

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Fri 1/16

12:45 pm-11:54 pm

1 stop26h 09m

Dallas/Fort Worth

Wed 2/11

7:25 am-5:40 am

1 stop31h 15m

$765

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 53 results
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Best time to book a flight from Seoul to Dallas

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

How far ahead should I book a flight from Seoul to Dallas?

Use this chart to determine the optimal time to book a round-trip flight from Seoul to Dallas. Price data was last updated on December 5, 2025.

The best time to book flights from Seoul to Dallas is 62 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Seoul to Dallas (average of $631). Flying from Seoul to Dallas in June is currently the most expensive (average of $810). 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 SEL to DFW?

Find hourly flight availability from Seoul to Dallas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

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

Weekly flight availability from Seoul to Dallas

Explore weekly flight availability from Seoul to Dallas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 12, 2025.

The most flights from SEL to A78 are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Seoul to Dallas?

The best insider tips for Seoul to Dallas flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Seoul to Dallas trip
Airports
ICN

Plan for extra time at ICN as security lines can take up to 20 minutes, especially without fast track options.

Read more about ICNBy Gabriel Leigh
DFW

Use the DART Orange Line for a convenient train ride from DFW to downtown Dallas, with a station at Terminal A.

Read more about DFWBy Chris Dong
Our travel experts
Chris Dong

Chris Dong

Expert on DFW

Chris Dong

Chris Dong

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more

Reviews of airlines servicing Dallas

Get insights into the airlines that provide service to Dallas. 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 Dallas. Reviews last updated December 12, 2025.
Get a feel of what it's like to fly with Korean Air, Delta, and United Airlines from Seoul to Dallas by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,184 reviews
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Delta
7.9
Good
8,007 reviews
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
United Airlines
7.4
Good
9,095 reviews
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
American Airlines
7.2
Good
11,050 reviews
Korean Air
8.4
Very good
1,184 reviews

Food

8.1

Comfort

8.3

Crew

8.7

Entertainment

8.2

Overall

8.4

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

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

  • How long is the flight from Seoul to Dallas?

    United Airlines, Delta, and Japan Airlines can get you from Seoul to Dallas in just under 18h 04m. Your travel time can differ by up to 16h 26m. Seoul and Dallas are separated by a distance of 6832 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, American Airlines ($630), United Airlines ($676), and Korean Air ($787) offers the cheapest pricing from Seoul to Dallas. You may be able to fly from Seoul to Dallas for 45% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $389. However, be on the lookout for offers from United Airlines and Air Canada, as they are both options that can get you from Seoul to Dallas for a low price.

  • What are the most popular routes from Seoul to Dallas?

    When deciding which route to take from Seoul to Dallas consider Incheon Intl - Dallas/Fort Worth, Incheon Intl - Dallas Love Field or Seoul Gimpo Intl - Dallas/Fort Worth as they are the most popular.

  • What are the most reliable airlines from Seoul to Dallas?

    The top 3 most reliable airlines when flying from Seoul to Dallas are American Airlines (85%), Malaysia Airlines (85%) and Korean Air (83%).

  • What are the cheapest flights from Seoul to Dallas?

    Looking at all options, your cheapest flight can be booked for $406. While the most popular route (Incheon Intl - Dallas/Fort Worth) can be booked for $720 on average, our data indicates $1,974 when flying from Seoul to Dallas.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Seoul to Dallas (average of $631). Flying from Seoul to Dallas in June is currently the most expensive (average of $810). 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 4 airlines flying from Seoul to Dallas

Discover the top 4 airlines that operate flights from Seoul to Dallas. 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$630Average$828FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$676Average$776FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$787Average$1,265FlexibilityNo cancel feeOn-time81%
DeltaCheapest$797Average$978FlexibilityNo cancel feeOn-timeN/A

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