HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seoul

$296+ Cheap flights from Dallas 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — SEL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dallas to Seoul with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Dallas to Seoul are usually found in September or February, booked 17 days in advance, depart on a Monday or Thursday and return on a Thursday

Cheap flight deals from Dallas to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Dallas (A78) 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 September 15, 2025.

Round-trip from

$856
(United Airlines)

One-way from

$296
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$993
From Dallas to Seoul (SEL)
Search Deals
One-way flight from Dallas to Seoul (SEL)
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($349 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Dallas to Seoul

Cheapest flights from Dallas to Seoul
Explore the most affordable flight options available from Dallas to Seoul. 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 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:20 amDFW - ICN
1 stop20h 15mAlaska Airlines
Mon 10/208:35 pmICN - DFW
1 stop24h 19mAlaska Airlines
Deal found 9/15$856
This Fareboom 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/299:15 amDFW - ICN
2 stops23h 00mMultiple Airlines
Tue 10/149:00 amICN - DFW
2 stops24h 39mMultiple Airlines
Deal found 9/14$858
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/291:20 pmDFW - ICN
2 stops25h 00mUnited Airlines
Thu 10/911:30 amICN - DFW
2 stops26h 00mUnited Airlines
Deal found 9/15$861
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:00 amDFW - ICN
1 stop31h 20mUnited Airlines
Wed 11/512:45 pmICN - DFW
1 stop24h 29mUnited Airlines
Deal found 9/15$863
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:00 pmDFW - ICN
1 stop34h 35mAlaska Airlines
Thu 10/308:35 pmICN - DFW
1 stop17h 24mAlaska Airlines
Deal found 9/15$864
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1910:50 pmDFW - ICN
1 stop26h 55mMultiple Airlines
Fri 10/316:55 pmICN - DFW
1 stop18h 45mMultiple Airlines
Deal found 9/15$865
This Fareboom 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:00 amDFW - ICN
1 stop19h 35mHawaiian Airlines
Sun 11/238:35 pmICN - DFW
1 stop18h 24mHawaiian Airlines
Deal found 9/14$866
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:00 amDFW - ICN
1 stop31h 20mUnited Airlines
Tue 11/412:45 pmICN - DFW
2 stops21h 45mUnited Airlines
Deal found 9/15$868
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:33 pmDFW - ICN
2 stops45h 07mUnited Airlines
Wed 12/1012:45 pmICN - DFW
1 stop18h 26mUnited Airlines
Deal found 9/15$869
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:33 pmDFW - ICN
2 stops45h 07mUnited Airlines
Sun 12/712:45 pmICN - DFW
2 stops24h 05mUnited Airlines
Deal found 9/15$873
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1410:20 pmDFW - ICN
1 stop26h 50mMultiple Airlines
Fri 12/121:20 pmICN - DFW
1 stop22h 51mMultiple Airlines
Deal found 9/15$874
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/143:23 pmDFW - ICN
1 stop22h 57mMultiple Airlines
Sat 12/61:20 pmICN - DFW
1 stop22h 51mMultiple Airlines
Deal found 9/15$875

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas 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 September 15, 2025.
Use the filters below to find and compare flights from Dallas to Seoul that are best for you.

Fly from

Dallas

Fly to

Seoul

Route

Depart

Return

Price

DallasIncheon

DFW - ICN

DFWICN

Dallas/Fort Worth

Sat 9/27

9:15 am-6:35 pm

1 stop19h 20m

Incheon Intl

Sun 10/12

8:35 pm-6:54 am

1 stop24h 19m

$856

DallasIncheon

DFW - ICN

DFWICN

Dallas/Fort Worth

Fri 2/20

7:30 am-4:15 pm

1 stop17h 45m

Incheon Intl

Sat 2/28

12:45 pm-4:54 pm

1 stop19h 09m

$856

DallasIncheon

DFW - ICN

DFWICN

Dallas/Fort Worth

Wed 2/4

7:44 pm-5:40 am

1 stop18h 56m

Incheon Intl

Thu 2/26

6:00 pm-10:15 pm

1 stop19h 15m

$856

DallasIncheon

DFW - ICN

DFWICN

Dallas/Fort Worth

Sun 2/1

10:00 am-6:35 pm

1 stop17h 35m

Incheon Intl

Sat 2/28

8:35 pm-11:48 pm

1 stop18h 13m

$856

DallasIncheon

DFW - ICN

DFWICN

Dallas/Fort Worth

Wed 10/22

7:00 am-3:00 pm

1 stop18h 00m

Incheon Intl

Tue 11/4

6:00 pm-10:14 pm

1 stop19h 14m

$856

DallasIncheon

DFW - ICN

DFWICN

Dallas/Fort Worth

Fri 2/13

7:30 am-4:15 pm

1 stop17h 45m

Incheon Intl

Sun 2/22

12:45 pm-6:03 pm

2 stops20h 18m

$856

DallasIncheon

DFW - ICN

DFWICN

Dallas/Fort Worth

Thu 11/13

7:49 pm-5:40 am

1 stop18h 51m

Incheon Intl

Tue 11/25

12:45 pm-10:14 pm

1 stop24h 29m

$856

DallasIncheon

DFW - ICN

DFWICN

Dallas/Fort Worth

Tue 11/11

7:49 pm-5:40 am

1 stop18h 51m

Incheon Intl

Tue 11/25

12:45 pm-4:33 pm

1 stop18h 48m

$856

DallasIncheon

DFW - ICN

DFWICN

Dallas/Fort Worth

Mon 9/29

7:58 pm-4:20 am

1 stop18h 22m

Incheon Intl

Mon 10/6

11:30 am-4:18 pm

1 stop18h 48m

$856

DallasIncheon

DFW - ICN

DFWICN

Dallas/Fort Worth

Mon 1/19

5:11 pm-4:15 pm

2 stops32h 04m

Incheon Intl

Fri 1/30

12:45 pm-11:54 pm

1 stop26h 09m

$856

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 56 results
1
2
3
...
6

Best time to book a flight from Dallas to Seoul

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dallas to Seoul. Price data was last updated on September 12, 2025.

Booking 17 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas to Seoul. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Dallas to Seoul (average of $990). Flying from Dallas to Seoul in December is currently the most expensive (average of $1,633). 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 DFW to SEL?

Find hourly flight availability from Dallas 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 September 15, 2025.

One of the essential ways to save on airfare from Dallas to Seoul is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 16% on airfare.

Weekly flight availability from Dallas to Seoul

Explore weekly flight availability from Dallas to Seoul. 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 A78 to SEL are scheduled on a Friday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

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 September 15, 2025.
Get a feel of what it's like to fly with Korean Air, Delta, and United Airlines from Dallas to Seoul 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

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

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

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

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

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

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

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

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.
American Airlines
7.2
Good
10,000 reviews
Korean Air
8.4
Very good
1,139 reviews

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

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.
Air Canada
7.1
Good
10,000 reviews
Korean Air
8.4
Very good
1,139 reviews

Overall

8.4

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

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 Dallas to Seoul. 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 Dallas to Seoul?

    Alaska Airlines, United Airlines, and Delta can get you from Dallas to Seoul in just under 17h 45m. Your travel time can differ by up to 11h 46m. There are 6823 mi between Dallas and Seoul. 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 Dallas to Seoul round-trip?

    According to our current data, United Airlines ($430), Cathay Pacific ($732), and Asiana Airlines ($741) offers the cheapest pricing from Dallas to Seoul. You may be able to fly from Dallas to Seoul for 67% less than the average price by searching for these airlines.

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

    The most popular route from Dallas to Seoul is Dallas/Fort Worth - Incheon Intl. You may also consider Dallas/Fort Worth - Seoul Gimpo Intl or Dallas Love Field - Incheon Intl.

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

    Consider Delta (85%), Korean Air (76%) or American Airlines (67%) when booking your flight. These represent the most reliable airlines when flying from Dallas to Seoul.

  • What are the cheapest flights from Dallas to Seoul?

    Looking at all options, your cheapest flight can be booked for $399. While the most popular route (Dallas/Fort Worth - Incheon Intl) can be booked for $783 on average, our data indicates $2,363 when flying from Dallas to Seoul.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Dallas to Seoul (average of $990). Flying from Dallas to Seoul in December is currently the most expensive (average of $1,633). 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.

Alternative routes for Dallas to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Incheon Intl flights
Hobby to Incheon Intl flights
Dallas/Fort Worth to Gimpo Intl flights
George Bush Intcntl to Incheon Intl flights
Love Field to Incheon Intl flights
George Bush Intcntl to Gimpo Intl flights
Austin to Incheon Intl flights
Austin to Gimpo Intl flights
San Antonio to Incheon Intl flights
McAllen to Incheon Intl flights
San Antonio to Gimpo Intl flights
El Paso to Incheon Intl flights
El Paso to Gimpo Intl flights
Brownsville to Incheon Intl flights
Lubbock to Incheon Intl flights
Dallas/Fort Worth to Daegu flights
Dallas/Fort Worth to Busan flights
Dallas/Fort Worth to Jeju City flights
Corpus Christi to Incheon Intl flights
Austin to Busan flights
Harlingen to Incheon Intl flights
Amarillo to Incheon Intl flights
College Station to Incheon Intl flights
Killeen to Incheon Intl flights
Hobby to Busan flights
George Bush Intcntl to Busan flights
Love Field to Busan flights
Austin to Daegu flights
George Bush Intcntl to Jeju City flights
El Paso to Daegu flights
Waco to Incheon Intl flights
Dallas/Fort Worth to Cheongju flights

Top 10 airlines flying from Dallas to Seoul

Discover the top 10 airlines that operate flights from Dallas 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$430Average$858FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$732Average$845FlexibilityNo cancel feeOn-time72%
Asiana AirlinesCheapest$741Average$1,083FlexibilityNo cancel feeOn-time76%
DeltaCheapest$742Average$1,192FlexibilityNo cancel feeOn-timeN/A
China EasternCheapest$748Average$761FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$862Average$1,123FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$864Average$1,109FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$944Average$1,255FlexibilityNo cancel feeOn-time77%
Korean AirCheapest$1,027Average$1,602FlexibilityNo cancel feeOn-time81%
FinnairCheapest$1,345Average$1,449FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.