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$391+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — DFW
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Seoul to Dallas are usually found in March or February, booked 7 days in advance, depart on a Thursday or Tuesday and return on a Monday

Cheap 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 September 15, 2025.

Round-trip from

$612
(Alaska Airlines)

One-way from

$391
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$1,027
From Seoul (SEL) to Dallas
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One-way flight from Seoul (SEL) to Dallas
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Highest demand for flights based on searches. 19% potential increase in price ($292 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 15, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/228:35 pmICN - DFW
2 stops23h 37mAlaska Airlines
Tue 12/94:40 pmDFW - ICN
2 stops34h 55mAlaska Airlines
Deal found 9/13$612
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Tue 10/146:20 pmICN - DFW
1 stop19h 39mMultiple Airlines
Tue 10/218:10 amDFW - ICN
1 stop19h 45mMultiple Airlines
Deal found 9/14$624
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/238:35 pmICN - DFW
2 stops23h 37mAlaska Airlines
Tue 12/94:40 pmDFW - ICN
2 stops34h 55mAlaska Airlines
Deal found 9/13$640
This Trip.com deal was found by Cheapflights users on 9/14. 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.
Fri 9/2610:05 pmICN - DFW
2 stops34h 35mMultiple Airlines
Sun 11/25:05 amDFW - ICN
1 stop32h 15mMultiple Airlines
Deal found 9/14$649
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/68:35 pmICN - DFW
2 stops34h 54mAlaska Airlines
Mon 10/206:34 amDFW - ICN
2 stops46h 26mAlaska Airlines
Deal found 9/14$656
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Mon 10/68:35 pmICN - DFW
1 stop17h 24mMultiple Airlines
Mon 10/208:39 pmDFW - ICN
2 stops32h 21mMultiple Airlines
Deal found 9/14$666
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/238:35 pmICN - DFW
2 stops23h 37mAlaska Airlines
Fri 12/54:40 pmDFW - ICN
2 stops34h 55mAlaska Airlines
Deal found 9/13$667
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 11/201:20 pmICN - DFW
1 stop22h 57mMultiple Airlines
Mon 12/81:26 pmDFW - ICN
1 stop24h 54mMultiple Airlines
Deal found 9/13$673
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2312:45 pmICN - DFW
1 stop25h 00mMultiple Airlines
Wed 9/2410:36 pmDFW - ICN
1 stop27h 09mMultiple Airlines
Deal found 9/14$674
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Fri 10/108:35 pmICN - DFW
1 stop17h 24mMultiple Airlines
Mon 10/278:50 pmDFW - ICN
2 stops32h 35mMultiple Airlines
Deal found 9/14$680
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/109:25 pmICN - DFW
2 stops21h 49mAlaska Airlines
Mon 10/274:49 pmDFW - ICN
2 stops36h 36mAlaska Airlines
Deal found 9/14$683
This Delta deal was found by Cheapflights users on 9/14. 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.
Thu 9/186:50 pmICN - DAL
1 stop18h 59mDelta
Wed 10/16:29 pmDAL - ICN
1 stop19h 31mDelta
Deal found 9/14$808

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 September 15, 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

Sun 11/23

8:35 pm-7:00 am

1 stop25h 25m

Dallas/Fort Worth

Tue 12/9

4:40 pm-6:35 pm

2 stops34h 55m

$688

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Thu 10/30

8:35 pm-5:09 pm

2 stops58h 34m

Dallas/Fort Worth

Thu 11/6

4:49 pm-7:25 pm

2 stops59h 36m

$692

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Fri 10/17

8:35 pm-5:29 pm

2 stops34h 54m

Dallas/Fort Worth

Thu 10/23

8:39 pm-6:35 pm

1 stop31h 56m

$705

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Sat 11/22

8:35 pm-5:12 am

2 stops23h 37m

Dallas/Fort Worth

Fri 12/5

6:17 pm-6:35 pm

1 stop33h 18m

$717

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Fri 10/10

8:40 pm-11:46 pm

1 stop17h 06m

Dallas/Fort Worth

Mon 10/27

7:49 pm-4:30 am

1 stop18h 41m

$745

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Fri 12/26

8:35 pm-5:06 am

2 stops23h 31m

Dallas/Fort Worth

Wed 12/31

6:26 am-6:35 pm

2 stops21h 09m

$750

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Thu 12/25

8:35 pm-11:59 pm

1 stop18h 24m

Dallas/Fort Worth

Tue 12/30

6:49 pm-6:35 pm

2 stops32h 46m

$765

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Wed 10/29

9:25 pm-1:50 pm

2 stops30h 25m

Dallas/Fort Worth

Wed 11/5

6:52 pm-7:25 pm

2 stops33h 33m

$765

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Mon 12/22

8:35 pm-5:31 am

2 stops23h 56m

Dallas/Fort Worth

Wed 12/31

6:26 am-6:35 pm

2 stops21h 09m

$765

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Tue 10/14

4:50 pm-9:29 pm

2 stops18h 39m

Dallas/Fort Worth

Tue 10/21

4:45 pm-4:20 am

2 stops21h 35m

$769

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 58 results
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The best insider tips for Seoul to Dallas flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
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

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 September 12, 2025.

The best time to book flights from Seoul to Dallas is 7 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, August is the cheapest month in which you can book a flight from Seoul to Dallas (average of $216). Flying from Seoul to Dallas in March is currently the most expensive (average of $295). 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 September 15, 2025.

It’s optimal to fly from Seoul to Dallas in the afternoon. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the morning.

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 September 15, 2025.

The most flights from SEL to A78 are scheduled on a Friday (7 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?

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 September 15, 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
1,139 reviews

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Overall

8.4

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
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Overall

8.4

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
8.0
Very good
7,954 reviews
Korean Air
8.4
Very good
1,139 reviews

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Overall

8.4

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
8,929 reviews
Korean Air
8.4
Very good
1,139 reviews

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Overall

8.4

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
10,000 reviews
Korean Air
8.4
Very good
1,139 reviews

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Overall

8.4

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?

    Alaska Airlines, Delta, and EVA Air can get you from Seoul to Dallas in just under 20h 20m. Your travel time can differ by up to 17h 45m. 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 Delta ($797) offers the cheapest pricing from Seoul to Dallas. You may be able to fly from Seoul to Dallas for 47% less than the average price by searching for these airlines.

  • 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 (63%), Malaysia Airlines (63%) and Korean Air (56%).

  • What are the cheapest flights from Seoul to Dallas?

    Looking at all options, your cheapest flight can be booked for $397. While the most popular route (Incheon Intl - Dallas/Fort Worth) can be booked for $666 on average, our data indicates $2,138 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, August is the cheapest month in which you can book a flight from Seoul to Dallas (average of $216). Flying from Seoul to Dallas in March is currently the most expensive (average of $295). 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$630Average$850FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$676Average$771FlexibilityNo cancel feeOn-time69%
DeltaCheapest$797Average$1,020FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$808Average$1,212FlexibilityNo cancel feeOn-time81%

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