Seoul to Chiang Rai flights

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Lowest observed

€208

Cheapest month

November 2026

Last checked

10 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €208

15 Nov 2026

1 stop · One way

Cheapest observed day · Last checked: 10 Oct 2026

Departure

12:10

When to fly

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

Prices are for observed departure and return date pairs. No data does not mean no flights.

Lowest observed: €208, departing 15 Nov 2026 (Last checked: 10 Oct 2026)One-way fareCheck live prices for this route
Airlines seen: China Eastern, Eastar Jet, HK Express, Jeju Air, Jin Air, Nok Air +7 more
Typical journey time: 21h 20m

Short answer

We have seen China Eastern fares from Seoul to Chiang Rai. The lowest fare our own searches returned is €208, seen on 10 Oct 2026. November 2026 is the cheapest month in our observations, at €208. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.

About this route

Explore the fares we observed from Seoul to Chiang Rai. Prices move often, so pick your dates to see the latest options.

Route distance: 3,274 km
Typical journey time: 21h 20m
Airlines seen: China Eastern, Eastar Jet, HK Express, Jeju Air, Jin Air, Nok Air +7 more
Seen on fares with a connection: Thai Vietjet Air, Vietjet, Thai AirAsia, T'way Air, China Eastern, Jeju Air +3 more
Alternative airports: GMP

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

A clearer picture of your fare

Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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How our prices work

Airport to city: straight-line distance

Seoul Gimpo International Airport (GMP) → Seoul, city gazetteer reference point (37.5665, 126.9780): ≈ 17 km.
Incheon International Airport (ICN) → Seoul, city gazetteer reference point (37.5665, 126.9780): ≈ 48 km.
Mae Fah Luang - Chiang Rai International Airport (CEI) → Chiang Rai, city gazetteer reference point (19.9105, 99.8406): ≈ 6 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Frequently asked

How much is a flight from Seoul to Chiang Rai?

The lowest fare we have observed is €208, found on 10 Oct 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from Seoul to Chiang Rai?

In our observations November 2026 is the cheapest month so far, at €208.

Are there direct flights from Seoul to Chiang Rai?

Our data holds no non-stop flight from Seoul to Chiang Rai. The fares on this page include at least one stop.

Which airlines fly from Seoul to Chiang Rai?

These are the carriers we have seen on the route: China Eastern, Eastar Jet, HK Express, Jeju Air, Jin Air, Nok Air +7 more.

How long does the flight from Seoul to Chiang Rai take?

The average journey time across the 82 fares we observed is 18h 35m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed Seoul to Chiang Rai fares were non-stop?

None of the 83 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide