Dallas

$422+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — DFW
Apr 15 — Apr 221
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Seoul to Dallas are usually found in November or February, booked 62 days in advance, depart on a Tuesday or Wednesday 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 March 16, 2026.

This Trip.com deal was found by Cheapflights users on 3/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/49:00 pm
ICN
-
DFW
1 stop22h 00m
Multiple Airlines
Sun 5/176:20 am
DFW
-
ICN
1 stop32h 55m
Multiple Airlines
Deal found 3/15$762
This Asiana Airlines deal was found by Cheapflights users on 3/15. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/109:00 pm
ICN
-
DFW
1 stop17h 59m
Multiple Airlines
Mon 1/113:19 pm
DFW
-
ICN
1 stop23h 01m
Multiple Airlines
Deal found 3/15$764
This YBTour deal was found by Cheapflights users on 3/16. 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 YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:35 pm
ICN
-
DFW
1 stop18h 24m
Alaska Airlines
Mon 4/276:20 am
DFW
-
ICN
1 stop21h 10m
Alaska Airlines
Deal found 3/16$766
This BusinessClass deal was found by Cheapflights users on 3/15. 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.
Thu 5/149:00 pm
ICN
-
DFW
1 stop22h 00m
Multiple Airlines
Tue 8/46:00 pm
DFW
-
ICN
1 stop20h 45m
Multiple Airlines
Deal found 3/15$780
This Trip.com deal was found by Cheapflights users on 3/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:00 pm
ICN
-
DFW
1 stop16h 59m
Multiple Airlines
Tue 10/208:36 pm
DFW
-
ICN
1 stop18h 39m
Multiple Airlines
Deal found 3/15$790
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/108:00 pm
ICN
-
DFW
1 stop35h 51m
Alaska Airlines
Wed 1/133:19 pm
DFW
-
ICN
1 stop35h 16m
Alaska Airlines
Deal found 3/16$791
This YBTour deal was found by Cheapflights users on 3/14. 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 YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:00 pm
ICN
-
DFW
1 stop33h 18m
Alaska Airlines
Sat 11/146:16 pm
DFW
-
ICN
1 stop32h 19m
Alaska Airlines
Deal found 3/14$798
This China Airlines deal was found by Cheapflights users on 3/16. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:05 pm
ICN
-
DAL
2 stops28h 00m
Multiple Airlines
Thu 9/109:35 pm
DAL
-
ICN
2 stops23h 55m
Multiple Airlines
Deal found 3/16$1,036
This China Airlines deal was found by Cheapflights users on 3/14. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:05 pm
ICN
-
DAL
2 stops28h 05m
Multiple Airlines
Wed 8/128:00 pm
DAL
-
ICN
2 stops25h 30m
Multiple Airlines
Deal found 3/14$1,074
This YBTour deal was found by Cheapflights users on 3/15. 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 YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:40 pm
ICN
-
DAL
2 stops29h 42m
Delta
Tue 10/206:37 pm
DAL
-
ICN
2 stops32h 43m
Delta
Deal found 3/15$1,146
This China Airlines deal was found by Cheapflights users on 3/15. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:45 pm
ICN
-
DAL
2 stops23h 25m
Multiple Airlines
Sun 9/69:55 pm
DAL
-
ICN
2 stops23h 35m
Multiple Airlines
Deal found 3/15$1,178
This China Airlines deal was found by Cheapflights users on 3/14. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:45 pm
ICN
-
DAL
2 stops22h 15m
Multiple Airlines
Wed 6/108:40 pm
DAL
-
ICN
2 stops24h 50m
Multiple Airlines
Deal found 3/14$1,198

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 March 16, 2026.

Round-trip from

$762
(Trip.com)

One-way from

$422
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$1,099
From Seoul (SEL) to Dallas
One-way flight from Seoul (SEL) to Dallas
Highest demand for flights based on searches. 12% potential increase in price ($165 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($50 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 16, 2026.
Use the filters below to find and compare flights from Seoul to Dallas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Thu 4/23

7:35 pm-11:59 pm

1 stop18h 24m

Dallas/Fort Worth

Mon 4/27

6:20 am-5:30 pm

1 stop21h 10m

$803

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Sat 5/9

7:35 pm-5:00 am

1 stop23h 25m

Dallas/Fort Worth

Sun 5/17

6:20 am-5:30 pm

1 stop21h 10m

$929

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Thu 4/23

11:30 am-6:41 pm

2 stops21h 11m

Dallas/Fort Worth

Mon 4/27

5:15 am-3:00 pm

2 stops19h 45m

$991

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Thu 9/3

7:45 pm-7:55 pm

1 stop38h 10m

Dallas/Fort Worth

Fri 9/11

10:50 pm-11:00 am

1 stop22h 10m

$1,015

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Thu 4/2

8:35 pm-6:20 am

1 stop23h 45m

Dallas/Fort Worth

Thu 4/23

7:15 pm-5:30 pm

2 stops32h 15m

$1,086

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Thu 4/16

11:30 am-4:26 pm

1 stop18h 56m

Dallas/Fort Worth

Mon 7/6

5:24 pm-3:00 pm

2 stops31h 36m

$1,091

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Sun 8/23

9:00 pm-12:01 pm

1 stop29h 01m

Dallas/Fort Worth

Sun 9/6

3:19 pm-5:15 am

1 stop23h 56m

$1,099

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Sun 4/12

8:35 pm-6:20 am

1 stop23h 45m

Dallas/Fort Worth

Tue 5/5

6:58 pm-5:30 pm

1 stop32h 32m

$1,164
Quickest round-trip

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Thu 4/16

5:50 pm-4:55 pm

Nonstop13h 05m

Dallas/Fort Worth

Mon 7/6

12:10 pm-4:40 pm

Nonstop14h 30m

$1,169

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Thu 4/23

5:50 pm-4:55 pm

Nonstop13h 05m

Dallas/Fort Worth

Mon 4/27

10:35 am-3:45 pm

Nonstop15h 10m

$1,171

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 57 resultsSorted by cheapest first
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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 March 13, 2026.

The best time to book flights from Seoul to Dallas is 61 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, January is the cheapest month in which you can book a flight from Seoul to Dallas (average of $638). Flying from Seoul to Dallas in June is currently the most expensive (average of $806). 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 March 16, 2026.

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 March 16, 2026.

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
Our travel experts
Chris Dong

Chris Dong

Expert on DFW

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.

Gabriel Leigh

Gabriel Leigh

Expert on ICN

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.

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 March 16, 2026.
Get a feel of what it's like to fly with Korean Air,Delta, andUnited 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.

Food

8.1

Crew

8.7

Overall

8.4

Entertainment

8.2

Boarding

8.5

Comfort

8.3

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!!

Food

8.1

Crew

8.7

Overall

8.4

Entertainment

8.2

Boarding

8.5

Comfort

8.3

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!!

Food

8.1

Crew

8.7

Overall

8.4

Entertainment

8.2

Boarding

8.5

Comfort

8.3

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!!

Food

8.1

Crew

8.7

Overall

8.4

Entertainment

8.2

Boarding

8.5

Comfort

8.3

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!!

Food

8.1

Crew

8.7

Overall

8.4

Entertainment

8.2

Boarding

8.5

Comfort

8.3

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, United Airlines, and EVA Air can get you from Seoul to Dallas in just under 18h 24m. Your travel time can differ by up to 19h 46m. Seoul and Dallas are separated by a distance of 6823 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 ($705), United Airlines ($707), and Korean Air ($784) offers the cheapest pricing from Seoul to Dallas. You may be able to fly from Seoul to Dallas for 38% 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 $401. However, be on the lookout for offers from Delta and Korean Air, 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?

  • 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 (80%), Malaysia Airlines (80%) and Korean Air (71%).

  • What are the cheapest flights from Seoul to Dallas?

    Looking at all options, your cheapest flight can be booked for $396. While the most popular route (Incheon Intl - Dallas/Fort Worth) can be booked for $982 on average, our data indicates $1,073 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, January is the cheapest month in which you can book a flight from Seoul to Dallas (average of $638). Flying from Seoul to Dallas in June is currently the most expensive (average of $806). 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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Alternative routes for Seoul to Dallas

See prices for flight routes from nearby airports that may be better suited for you.

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 March 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$705Average$1,067FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$707Average$784FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$784Average$1,158FlexibilityNo cancel feeOn-time81%
DeltaCheapest$788Average$981FlexibilityNo cancel feeOn-timeN/A

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