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$318+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — DFW
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 Tuesday or Friday 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 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/18. 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 12/18$715
This Delta deal was found by Cheapflights users on 12/18. 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.
Mon 12/228:05 pmICN - DFW
1 stop18h 45mDelta
Wed 3/187:05 amDFW - ICN
1 stop20h 30mDelta
Deal found 12/18$766
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:05 pmICN - DFW
1 stop18h 45mDelta
Mon 1/54:25 pmDFW - ICN
1 stop32h 30mDelta
Deal found 12/17$768
This United Airlines deal was found by Cheapflights users on 12/18. 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.
Mon 12/226:00 pmICN - DFW
1 stop21h 36mUnited Airlines
Wed 3/189:59 amDFW - ICN
2 stops28h 41mUnited Airlines
Deal found 12/18$776
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:45 pmICN - DFW
1 stop26h 51mUnited Airlines
Sun 1/47:25 amDFW - ICN
1 stop31h 15mUnited Airlines
Deal found 12/17$814
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:00 pmICN - DFW
1 stop26h 10mUnited Airlines
Wed 12/317:25 amDFW - ICN
1 stop17h 50mUnited Airlines
Deal found 12/17$824
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:45 pmICN - DFW
1 stop26h 51mUnited Airlines
Sat 1/37:25 amDFW - ICN
1 stop17h 50mUnited Airlines
Deal found 12/17$831
This CheapOair deal was found by Cheapflights users on 12/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:35 amICN - DFW
2 stops26h 04mMultiple Airlines
Mon 1/57:05 amDFW - ICN
2 stops24h 45mMultiple Airlines
Deal found 12/17$849
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:45 pmICN - DFW
1 stop26h 51mUnited Airlines
Mon 1/59:50 amDFW - ICN
2 stops28h 50mUnited Airlines
Deal found 12/17$865
This oojo deal was found by Cheapflights users on 12/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:00 amGMP - DFW
1 stop14h 35mJapan Airlines
Tue 2/2410:45 amDFW - GMP
1 stop20h 20mJapan Airlines
Deal found 12/17$1,404
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:30 pmICN - DAL
2 stops30h 54mDelta
Sun 12/283:51 pmDAL - ICN
2 stops32h 39mDelta
Deal found 12/17$1,413
This Ovago deal was found by Cheapflights users on 12/16. 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 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 12/16$1,541

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 18, 2025.

Round-trip from

$662
(Mytrip)

One-way from

$318
(Kiwi.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 18, 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

Fri 5/15

9:00 pm-6:20 am

1 stop23h 20m

Dallas/Fort Worth

Fri 6/12

6:16 pm-4:20 am

1 stop20h 04m

$720

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Fri 2/6

8:35 pm-9:49 pm

1 stop16h 14m

Dallas/Fort Worth

Sun 2/8

10:00 am-6:35 pm

1 stop17h 35m

$730

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Fri 2/6

6:00 pm-12:41 pm

2 stops33h 41m

Dallas/Fort Worth

Sun 2/8

7:44 pm-4:15 pm

1 stop29h 31m

$761

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Fri 1/23

12:45 pm-6:39 pm

2 stops20h 54m

Dallas/Fort Worth

Sun 2/1

7:23 pm-4:15 pm

2 stops29h 52m

$763

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Tue 2/17

12:45 pm-10:30 pm

1 stop24h 45m

Dallas/Fort Worth

Thu 3/5

6:00 am-4:15 pm

1 stop19h 15m

$763

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Thu 1/22

12:45 pm-9:38 pm

2 stops23h 53m

Dallas/Fort Worth

Thu 3/5

6:00 am-4:15 pm

1 stop19h 15m

$763

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Fri 1/16

12:45 pm-11:13 pm

2 stops25h 28m

Dallas/Fort Worth

Fri 1/23

12:18 pm-5:40 am

2 stops26h 22m

$764

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Wed 4/1

5:25 pm-4:40 pm

Nonstop13h 15m

Dallas/Fort Worth

Sat 4/11

10:55 am-3:30 pm

Nonstop14h 35m

$767

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Tue 2/3

7:15 pm-5:05 pm

Nonstop12h 50m

Dallas/Fort Worth

Sat 2/7

10:30 am-4:45 pm

Nonstop15h 15m

$768

IncheonDallas

ICN - DAL

ICNDAL

Incheon Intl

Fri 5/15

12:45 pm-10:55 pm

3 stops24h 10m

Dallas Love Field

Fri 6/12

8:25 pm-11:30 am

2 stops25h 05m

$1,150

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 54 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 12, 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 18, 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 18, 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).

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 18, 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
1,186 reviews

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

Food

8.1

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
1,186 reviews
Korean Air
8.4
Very good
1,186 reviews

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

Food

8.1

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
8,005 reviews
Korean Air
8.4
Very good
1,186 reviews

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

Food

8.1

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
9,091 reviews
Korean Air
8.4
Very good
1,186 reviews

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

Food

8.1

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
11,054 reviews
Korean Air
8.4
Very good
1,186 reviews

Overall

8.4

Crew

8.7

Comfort

8.3

Entertainment

8.2

Food

8.1

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, ANA, and Japan Airlines can get you from Seoul to Dallas in just under 27h 10m. Your travel time can differ by up to 6h 31m. Seoul and Dallas are separated by a distance of 6805 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 Delta (87%), Korean Air (84%) and American Airlines (82%).

  • What are the cheapest flights from Seoul to Dallas?

    Looking at all options, your cheapest flight can be booked for $407. While the most popular route (Incheon Intl - Dallas/Fort Worth) can be booked for $662 on average, our data indicates $1,985 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$630Average$827FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$676Average$776FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$787Average$1,261FlexibilityNo cancel feeOn-time81%
DeltaCheapest$793Average$969FlexibilityNo cancel feeOn-timeN/A

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