Find cheap airlines flights from Seoul to Vientiane

You can choose from 6 airlines that fly from Seoul to Vientiane, including Jeju Air, Lao Airlines, and China Eastern Airlines. Jeju Air has lowest fares on this route.
Jeju Air logo Jeju Air
Lao Airlines logo Lao Airlines
China Eastern Airlines logo China Eastern Airlines
Korean Air logo Korean Air
China Southern Airlines logo China Southern Airlines
Vietnam Airlines logo Vietnam Airlines
Airlines are determined based on actual purchased flight tickets from Seoul to Vientiane according to previous 12 months data from Trip.com.

Book direct flights from Seoul to Vientiane: One way flights from $176, round trip flights from $358. Find flight deals for the next 3 months below.

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

Flight Info | Seoul to Vientiane

The distance between Seoul and Vientiane is approximately 3,216.25 km. It takes around 5 hours 20 minutes on average to fly from Seoul to Vientiane. Based on Trip.com's data travel demand peaks in January. The off-season for travel is October.

Cheapest one-way flight price$163
Cheapest round-trip ticket price$269
Off-season for travelOctober
Peak season for travelJanuary
Flight distance3,216.25 km
Average flight time5 hours 20 minutes
Popular airlineJeju Air
Flight statistics for the Seoul–Vientiane route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Seoul to Vientiane

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

The average price of one-way flights from Seoul to Vientiane 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 Vientiane is March, with an average price of $82; while the month with the highest flight price is usually June, with an average price of up to $214.

$214
$148
$82
$16
    Cheapest
  • $214
    Jun
  • $163
    Jul
  • $127
    Aug
  • $128
    Sep
  • $112
    Oct
  • $142
    Nov
  • $108
    Dec
  • $111
    Jan
  • $89
    Feb
  • $82
    Mar
  • $102
    Apr
  • $187
    May

What is the cheapest month for round-trip flights from Seoul to Vientiane?

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

According to historical data from Trip.com, the lowest prices for flights from Seoul to Vientiane are found during February, with an average price of $217. Conversely, the highest prices are found during June, with an average price of up to $407.

$407
$312
$217
$122
    Cheapest
  • $407
    Jun
  • $316
    Jul
  • $305
    Aug
  • $256
    Sep
  • $265
    Oct
  • $331
    Nov
  • $219
    Dec
  • $248
    Jan
  • $217
    Feb
  • $300
    Mar
  • $302
    Apr
  • $389
    May

When is the cheapest day to fly from Seoul to Vientiane during Juneteenth National Independence Day?

Data is based on the lowest one-way price from Seoul to Vientiane during Juneteenth National Independence Day on Trip.com in the past 3 days.

Juneteenth National Independence Day is scheduled for Jun 19. The cheapest flights from Seoul to Vientiane are available on Jun 20, with fares starting at $151.

$251
$201
$151
$101
    Cheapest
  • $194
    15
    Jun
  • $189
    16
  • $194
    17
  • $189
    18
  • $251
    19
  • $151
    20
  • $193
    21

Frequently Asked Questions

  • What are the cheapest flights from Seoul to Vientiane (SEL-VTE)?

    Based on Trip.com data, China Eastern Airlines offers one-way fares as low as $163 on Cheapest nonstop routes (e.g. ICN to VTE on Mon, Jun 29), while VietJet Air offers Cheapest nonstop round-trips from $269 departing on Tue, Jul 14 and returning on Fri, Jul 17.
  • At the moment, you can catch a nonstop flight from Seoul to Vientiane with the following airlines, including: Jeju Air Lao Airlines Korean Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 5 hours 20 minutes to fly from Seoul (SEL) to Vientiane (VTE).
  • 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 Vientiane 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 2 flight per week flying from Seoul to Vientiane. You can check the weekly schedule for popular airlines on this route below: Lao Airlines: S/M/-/W/T/F/- -- QV924 (10:55)
  • To find best deals on flights from Seoul to Vientiane, 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 Mon, Jun 29, with one-way flights priced at just $163.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Jeju Air.
    · 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 Vientiane travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seoul to Vientiane is October, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Seoul to Vientiane on June 10, 2026 with Vietnam Airlines, with prices starting at $233.
  • You can land at any one of the following hubs in Vientiane, with Incheon International Airport to Wattay International Airport (ICN-VTE) is by far the most common option on this route: Wattay International Airport (VTE).
  • The time difference between Vientiane and Seoul is 2h.
  • 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.

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

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.