Cheap Flights from Houston to Seoul from $401

Frequently Asked Questions

• What are the cheapest flights from Houston to Seoul (HOU-SEL)?

  Based on Trip.com data, WestJet offers one-way fares as low as $401 on Cheapest nonstop routes (e.g. IAH to ICN on Fri, Oct 23), while WestJet offers Cheapest nonstop round-trips from $924 departing on Fri, Sep 18 and returning on Tue, Sep 22.

• Which airlines offer direct flights from Houston to Seoul?

  At the moment, you can catch a nonstop flight from Houston to Seoul with the following airlines, including: Frontier Airlines Korean Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• When is the best time to book flights from Houston to Seoul?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Houston to Seoul 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.

• How can I find the best deals on flights from Houston to Seoul?

  To find best deals on flights from Houston to Seoul, 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 Fri, Oct 23, with one-way flights priced at just $401.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is WestJet.
  · 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 Seoul travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Houston (HOU) to Seoul (SEL) the cheapest?

  The cheapest months to fly from Houston to Seoul is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Houston to Seoul on?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Houston to Seoul on September 8, 2026 with WestJet, with prices starting at $407.

• Which airports can I fly into Seoul from Houston?

  You can arrive at any of the following airports in Seoul: Incheon International Airport (ICN), and Gimpo International Airport (GMP). Flights from George Bush Intercontinental Airport to Incheon International Airport (IAH-ICN) are by far the most popular option for this route.

• Is there any time difference between Houston and Seoul?

  The time difference between Seoul and Houston is 15h.

• How do I change or cancel my ticket from Houston to Seoul?

  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.

• What is the average cost of a one-way flight from Houston to Seoul?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Houston to Seoul is $1,026. Fares vary by travel date, airline and availability.

• How do I book flights from Houston to Seoul on Trip.com?

  Enter Houston and Seoul, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Houston to Seoul route?

  Frontier Airlinesare the most popular budget airlines flying from Houston to Seoul. Check baggage, seat and payment fees before comparing the final price.