Cheapest airlines flights from Seoul to Dallas

You can choose from 5 airlines that fly from Seoul to Dallas, including Korean Air, Asiana Airlines, and American Airlines. American Airlines has lowest fares on this route.
Korean Air logo Korean Air
Asiana Airlines logo Asiana Airlines
American Airlines logo American Airlines
United Airlines logo United Airlines
Alaska Airlines logo Alaska Airlines
Airlines are determined based on actual purchased flight tickets from Seoul to Dallas according to previous 12 months data from Trip.com.

Search for direct flights from Seoul to Dallas in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$630, and round-trip direct flights start at US$1,156.

Displayed flight fares from Seoul to Dallas are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Seoul to Dallas Flight Details

The distance between Seoul and Dallas is about 10,982.69 km. The average flying time from Seoul to Dallas is around 12 hours 46 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is October.

Cheapest one-way flight priceUS$386
Cheapest return ticket priceUS$741
Cheapest monthOctober
Peak season for travelJuly
Flight distance10,982.69 km
Average flight time12 hours 46 minutes
Popular airlineKorean Air
Flight statistics for the Seoul–Dallas route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Seoul to Dallas

Which month has the cheapest one-way flights from Seoul to Dallas?

The average price of one-way flights from Seoul to Dallas purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Seoul to Dallas is February, with an average price of US$626; while the month with the highest flight price is usually August, with an average price of up to US$1,097.

US$1,097
US$862
US$626
US$391
    Cheapest
  • US$720
    Mar
  • US$721
    Apr
  • US$810
    May
  • US$954
    Jun
  • US$1,096
    Jul
  • US$1,097
    Aug
  • US$1,051
    Sep
  • US$828
    Oct
  • US$894
    Nov
  • US$747
    Dec
  • US$1,051
    Jan
  • US$626
    Feb

Which month has the cheapest round-trip flights from Seoul to Dallas?

The average price of round-trip flights from Seoul to Dallas purchased by Trip.com users by month over the past 12 months.

Based on data from Trip.com, the lowest prices for round-trip flights from Seoul to Dallas are found during December, with an average price of US$954. Conversely, the highest prices are found during May, with an average price of up to US$1,576.

US$1,576
US$1,265
US$954
US$643
    Cheapest
  • US$1,145
    Mar
  • US$1,380
    Apr
  • US$1,576
    May
  • US$1,507
    Jun
  • US$1,346
    Jul
  • US$1,450
    Aug
  • US$966
    Sep
  • US$1,097
    Oct
  • US$1,011
    Nov
  • US$954
    Dec
  • US$1,043
    Jan
  • US$1,032
    Feb

What is the cheapest day of the week to fly from Seoul to Dallas?

Average weekly flight prices from Seoul to Dallas by travel date (Based on Trip.com’s past 12 months of data)

Based on Trip.com’s past 12 months of flight data, the cheapest day to fly from Seoul to Dallas is Tuesday, with average prices lower than on other days. Avoid Sunday, as prices are usually highest then.

US$986
US$914
US$842
US$770
  • US$938
    Mon
  • US$842
    Tue
  • US$878
    Wed
  • US$862
    Thu
  • US$891
    Fri
  • US$856
    Sat
  • US$986
    Sun

What is the cheapest day to fly from Seoul to Dallas during Easter Day?

Based on Trip.com's data over the past 3 days, these are the lowest one-way flight prices from Seoul to Dallas during Easter Day.

During the Easter Day period, the cheapest flights from Seoul to Dallas were available on Apr 13 with the lowest price being US$662.

US$875
US$769
US$662
US$556
    Cheapest
  • US$764
    Apr 8
  • US$746
    Apr 9
  • US$795
    Apr 10
  • US$824
    Apr 11
  • US$875
    Apr 12
  • US$662
    Apr 13
  • US$767
    Apr 14

Frequently Asked Questions

  • What are the cheapest flights from Seoul to Dallas (SEL-DFW)?

    Based on Trip.com data, Air Premia offers one-way fares as low as US$386 on Cheapest nonstop routes (e.g. ICN to DFW on Sun, May 10), while Asiana Airlines offers Cheapest nonstop round-trips from US$741 departing on Tue, Apr 14 and returning on Thu, Apr 16.
  • At the moment, you can catch a nonstop flight from Seoul to Dallas with the following airlines, including: Korean Air American Airlines United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 12 hours 46 minutes to fly from Seoul to Dallas.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seoul to Dallas is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 21 flight per week flying from Seoul to Dallas. You can check the weekly schedule for popular airlines on this route below: Korean Air: S/M/T/W/T/F/S -- KE5031 (18:03) American Airlines: S/M/T/W/T/F/S -- AA280 (18:03)
  • To find best deals on flights from Seoul to Dallas, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, May 10, with one-way flights priced at just US$386.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Dallas travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seoul to Dallas is October, when demand for travel is lower.
  • After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Seoul to Dallas on March 30, 2026 with Asiana Airlines, with prices starting at US$740.
  • You can land at any one of the following hubs in Dallas, with Incheon International Airport to Dallas Fort Worth International Airport (ICN-DFW) is by far the most common option on this route: Dallas Love Field (DAL) Dallas Fort Worth International Airport (DFW).
  • The time difference between Dallas and Seoul is 15h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com Airline Insights on Flights from Seoul to Dallas

Which airline offers the cheapest direct flights from Seoul to Dallas?

Data is based on the average price of all nonstop flights from Seoul to Dallas on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, American Airlines provides the lowest-priced direct flights from Seoul to Dallas, with fares starting at US$794.

US$665
US$794
US$924
US$1,053
US$1,182
American Airlines
US$794
American Airlines
United Airlines
US$853
United Airlines
Delta Air Lines
US$978
Delta Air Lines
Asiana Airlines
US$1,133
Asiana Airlines
Japan Airlines
US$1,155
Japan Airlines
Korean Air
US$1,182
Korean Air

Which airline operates the most flights from Seoul to Dallas?

Total flights from Seoul to Dallas across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, Korean Air operates the most frequent flights from Seoul to Dallas, with 16 flights per week.

4
8
12
16
Korean Air
16
Korean Air
Delta Air Lines
8
Delta Air Lines
American Airlines
8
American Airlines
Malaysia Airlines
8
Malaysia Airlines

How many flights fly from Seoul to Dallas daily?

The data is based on the flight numbers for each day of the week from Seoul to Dallas within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Seoul to Dallas is the highest on Friday/Saturday/Sunday and the lowest on Monday/Tuesday/Wednesday/Thursday.

25
23
20
18
Highest
20
Mon
20
Tue
20
Wed
20
Thu
25
Fri
25
Sat
25
Sun

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.