SEL - CEI

Find Cheap Flights from Seoul to Chiang Rai – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 30% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

When to travel
Cheapest • 35% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg ฿13,602 (return)
Shortest trip • 12h 11m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Chiang Rai!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seoul to Chiang Rai (SEL-CEI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Seoul to Chiang Rai

Multiple Airlines Logo
SEL  Seoul All airports-CEI Chiang Rai
5255 kmmulti-stop
Multiple Airlines Logo
CEI  Chiang Rai-SEL Seoul All airports
5255 kmmulti-stop
Multiple Airlines
Booking Insights

Price, demand, and travel trends for Seoul to Chiang Rai flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What is the cheapest Seoul to Chiang Rai flight route?

There's little price difference between Seoul to Chiang Rai routes. They average around ฿14,290 return, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Seoul to Chiang Rai?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Seoul to Chiang Rai. It's 42% cheaper than the average day, while Monday is the most expensive, with prices 17% higher.

Key details for Seoul to Chiang Rai flights

Low season

September
Beat the crowds with an average 79% drop in travellers.
The most popular month to fly with an average 56% increase in travellers.

When to book flights from Seoul to Chiang Rai

Are your dates flexible? Find out the best times to travel from Seoul to Chiang Rai based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Seoul to Chiang Rai flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • How long is a flight from Seoul to Chiang Rai?

    There are currently no direct flights available from Seoul to Chiang Rai. Flights with 1 stopover take between 11h 35m and 24h 25m in total, depending on the connection.

  • Do I need a passport to fly from Seoul to Chiang Rai?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Seoul to Chiang Rai flight?

    Return flights from Seoul to Chiang Rai range from ฿12,684 to ฿15,761, with an average of ฿14,290 over the past 12 months. Anything below ฿12,684 counts as a good deal.

  • Which airports can I use when flying from Seoul to Chiang Rai?

    Flights from Seoul to Chiang Rai may depart from several airports in Seoul area, including Seoul Gimpo Intl (GMP) and Incheon Intl (ICN). Flights usually arrive at Chiang Rai (CEI).

  • Which airports do connecting flights from Seoul to Chiang Rai pass through?

    One-stop flights from Seoul to Chiang Rai most commonly connect through:

    • Bangkok Suvarnabhumi (BKK) – 50% of one-stop connections
    • Bangkok Don Mueang Intl (DMK) – 39% of one-stop connections
    • Singapore Changi (SIN) – 11% of one-stop connections

  • Can I save money by using flexible dates for flights from Seoul to Chiang Rai?

    Yes. Flexible dates can save you up to 51% on flights from Seoul to Chiang Rai. Wednesday is the cheapest departure day at ฿8,302 return on average, while Monday is the most expensive at ฿16,774, a difference of ฿8,471.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different stopover airport from Seoul to Chiang Rai?

    Flying via Bangkok Don Mueang Intl (DMK) gives the shortest average 1-stop total travel time of 11h 35m, compared to 12h 11m via Bangkok Suvarnabhumi (BKK) and 24h 25m via Singapore Changi (SIN).

  • What is the time difference between Seoul and Chiang Rai?

    Chiang Rai is 2 hours behind Seoul (Indochina Time vs Korean Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Seoul to Chiang Rai flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Monday. On this route, Wednesday flights average ฿8,302, which is about ฿8,471 less than Monday fares (51% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Seoul to Chiang Rai trip for March. Fares historically average ฿9,247 return in that month – typically ฿8,235 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Chiang Rai Airport.

    • Be One Resort

More options for your flight from Seoul to Chiang Rai

Complete your trip to Chiang Rai with a hotel stay or car hire