$128+ Cheap flights from Chiang Mai (CNX) to Seoul (SEL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SEL
Nov 8 — Nov 151
Round-trip
1 adult, Economy
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Find cheap flights from Chiang Mai to Seoul with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Chiang Mai to Seoul
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Best
Last-minute
One-way
Cheapest flights from Chiang Mai to SeoulExplore the most affordable flight options available from Chiang Mai to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 9, 2026.
Explore the most affordable flight options available from Chiang Mai to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 9, 2026.
This Booking.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:15 pm -
Nonstop5h 15m
Fri 11/137:15 pm -
Nonstop6h 20m
Deal found 10/8![Multiple Airlines logo]()
$270
This Jeju Air deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:00 pm -
Nonstop5h 30m
Sat 10/176:10 pm -
Nonstop5h 50m
Deal found 10/8![Jeju Air logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:00 pm -
Nonstop5h 30m
Mon 11/97:15 pm -
Nonstop6h 20m
Deal found 10/5![Jeju Air logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:10 am -
Nonstop5h 00m
Mon 11/97:15 pm -
Nonstop6h 20m
Deal found 10/5![Multiple Airlines logo]()
$303
This Booking.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:00 pm -
Nonstop5h 30m
Sat 10/176:30 pm -
Nonstop5h 40m
Deal found 10/8![Multiple Airlines logo]()
$304
This Jeju Air deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:00 pm -
Nonstop5h 30m
Sun 10/116:10 pm -
Nonstop5h 50m
Deal found 10/6![Jeju Air logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:10 am -
Nonstop5h 00m
Wed 11/117:00 pm -
Nonstop6h 10m
Deal found 10/5![Air Busan logo]()
$314
This Jin Air deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:45 pm -
Nonstop5h 20m
Mon 11/94:45 pm -
Nonstop5h 55m
Deal found 10/5![Jin Air logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:10 am -
Nonstop5h 00m
Tue 11/105:25 pm -
Nonstop5h 55m
Deal found 10/5![Multiple Airlines logo]()
$316
This Booking.com deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:10 am -
Nonstop5h 00m
Fri 11/275:25 pm -
Nonstop5h 55m
Deal found 10/6![Multiple Airlines logo]()
$319
This CheapOair deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:00 pm -
Nonstop5h 30m
Tue 11/105:25 pm -
Nonstop5h 55m
Deal found 10/5![Multiple Airlines logo]()
$320
Best flights from Chiang Mai to SeoulDiscover carefully curated flight deals from Chiang Mai to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 9, 2026.
Discover carefully curated flight deals from Chiang Mai to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 9, 2026.
This Booking.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:15 pm -
Nonstop5h 15m
Fri 11/137:15 pm -
Nonstop6h 20m
Deal found 10/8![Multiple Airlines logo]()
$270
This Jin Air deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:40 pm -
Nonstop5h 05m
Mon 11/94:45 pm -
Nonstop5h 55m
Deal found 10/7![Jin Air logo]()
$304
This FlightHub deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/283:35 pm -
2 stops17h 40m
Thu 1/77:25 am -
1 stop30h 35m
Deal found 10/8![China Eastern logo]()
$395
This Cathay Pacific deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:30 am -
1 stop9h 55m
Mon 11/91:55 am -
1 stop9h 55m
Deal found 10/5![Cathay Pacific logo]()
$472
This Jin Air deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:40 pm -
Nonstop5h 05m
Mon 11/94:45 pm -
Nonstop5h 55m
Deal found 10/5![Jin Air logo]()
$321
This Jin Air deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:40 pm -
Nonstop5h 05m
Tue 11/104:45 pm -
Nonstop5h 55m
Deal found 10/5![Jin Air logo]()
$327
This Booking.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/64:30 pm -
1 stop24h 55m
Sat 1/97:25 am -
1 stop30h 35m
Deal found 10/8![Multiple Airlines logo]()
$420
This Priceline deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:00 pm -
3 stops19h 55m
Fri 11/134:40 pm -
2 stops17h 55m
Deal found 10/8![China Eastern logo]()
$458
This Cathay Pacific deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:25 pm -
1 stop25h 00m
Tue 11/101:55 am -
1 stop19h 00m
Deal found 10/5![Cathay Pacific logo]()
$472
This Cathay Pacific deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:25 pm -
1 stop16h 40m
Tue 11/101:55 am -
1 stop19h 00m
Deal found 10/4![Cathay Pacific logo]()
$473
This Jetabroad deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/64:25 pm -
2 stops17h 30m
Sat 1/97:55 pm -
2 stops18h 05m
Deal found 10/8![China Eastern logo]()
$490
Last-minute flights from Chiang Mai to SeoulDiscover last-minute flight deals from Chiang Mai to Seoul. Data last updated October 9, 2026 and is based on user searches.
Discover last-minute flight deals from Chiang Mai to Seoul. Data last updated October 9, 2026 and is based on user searches.
This Jeju Air deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:00 pm -
Nonstop5h 30m
Sat 10/176:10 pm -
Nonstop5h 50m
Deal found 10/8![Jeju Air logo]()
$294
This Booking.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:00 pm -
Nonstop5h 30m
Sat 10/176:30 pm -
Nonstop5h 40m
Deal found 10/8![Multiple Airlines logo]()
$304
This Jin Air deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:45 pm -
Nonstop5h 20m
Mon 11/94:45 pm -
Nonstop5h 55m
Deal found 10/5![Jin Air logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:00 pm -
Nonstop5h 30m
Mon 11/97:15 pm -
Nonstop6h 20m
Deal found 10/5![Jeju Air logo]()
$302
This CheapOair deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:00 pm -
Nonstop5h 30m
Tue 11/105:25 pm -
Nonstop5h 55m
Deal found 10/5![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:10 am -
Nonstop5h 00m
Mon 11/97:15 pm -
Nonstop6h 20m
Deal found 10/5![Multiple Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:10 am -
Nonstop5h 00m
Wed 11/117:00 pm -
Nonstop6h 10m
Deal found 10/5![Air Busan logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:10 am -
Nonstop5h 00m
Tue 11/105:25 pm -
Nonstop5h 55m
Deal found 10/5![Multiple Airlines logo]()
$316
This Jin Air deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:40 pm -
Nonstop5h 05m
Mon 11/94:45 pm -
Nonstop5h 55m
Deal found 10/5![Jin Air logo]()
$321
This Booking.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:15 pm -
Nonstop5h 15m
Fri 11/137:15 pm -
Nonstop6h 20m
Deal found 10/8![Multiple Airlines logo]()
$270
This Booking.com deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:10 am -
Nonstop5h 00m
Fri 11/275:25 pm -
Nonstop5h 55m
Deal found 10/6![Multiple Airlines logo]()
$319
One-way flights from Chiang Mai to SeoulSearch for one-way flight options from Chiang Mai to Seoul. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
Search for one-way flight options from Chiang Mai to Seoul. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
This Booking.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:15 pm -
Nonstop5h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Eastar Jet logo]()
$128
This Booking.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:20 pm -
Nonstop5h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Eastar Jet logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:35 am -
Nonstop4h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Jeju Air logo]()
$133
This CheapOair deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:10 am -
Nonstop5h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Air Busan logo]()
$134
This Booking.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:10 am -
Nonstop5h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Air Busan logo]()
$146
This OneTravel deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:10 am -
Nonstop5h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Air Busan logo]()
$149
This Booking.com deal was found by Cheapflights users on 10/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:00 pm -
Nonstop5h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Jeju Air logo]()
$152
This Jeju Air deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:35 am -
Nonstop4h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Jeju Air logo]()
$155
Find flight deals from Chiang Mai to Seoul
Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $270 (Booking.com) |
One-way from | $128 (Booking.com) |
Popular in | November |
Cheapest in | October |
Average price | $240 |
Good round-trip deal | $1,070 or less |
Good one-way deal | $291 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chiang Mai to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 9, 2026.
Use the filters below to find and compare flights from Chiang Mai to Seoul that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Chiang MaiIncheon
CNX Chiang Mai - ICN Incheon Intl
CNXICN
Chiang Mai
Tue 11/3
10:20 pm-5:30 am
Nonstop5h 10m
Incheon Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$134
Chiang MaiIncheon
CNX Chiang Mai - ICN Incheon Intl
CNXICN
Chiang Mai
Sun 10/18
11:00 pm-6:30 am
Nonstop5h 30m
Incheon Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$155
Quickest round-trip
Chiang MaiIncheon
CNX Chiang Mai - ICN Incheon Intl
CNXICN
Chiang Mai
Mon 10/26
12:35 am-7:25 am
Nonstop4h 50m
Incheon Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$155
Chiang MaiIncheon
CNX Chiang Mai - ICN Incheon Intl
CNXICN
Chiang Mai
Thu 11/12
12:35 am-7:25 am
Nonstop4h 50m
Incheon Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$155
Chiang MaiIncheon
CNX Chiang Mai - ICN Incheon Intl
CNXICN
Chiang Mai
Wed 10/21
9:45 pm-5:05 am
Nonstop5h 20m
Incheon Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$166
Chiang MaiIncheon
CNX Chiang Mai - ICN Incheon Intl
CNXICN
Chiang Mai
Sun 10/25
9:40 pm-4:45 am
Nonstop5h 05m
Incheon Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$171
Chiang MaiIncheon
CNX Chiang Mai - ICN Incheon Intl
CNXICN
Chiang Mai
Sat 10/24
9:45 pm-5:05 am
Nonstop5h 20m
Incheon Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$176
Chiang MaiIncheon
CNX Chiang Mai - ICN Incheon Intl
CNXICN
Chiang Mai
Sat 11/14
10:20 pm-5:30 am
Nonstop5h 10m
Incheon Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$178
Chiang MaiIncheon
CNX Chiang Mai - ICN Incheon Intl
CNXICN
Chiang Mai
Mon 11/2
10:15 pm-5:30 am
Nonstop5h 15m
Incheon Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$178
Chiang MaiIncheon
CNX Chiang Mai - ICN Incheon Intl
CNXICN
Chiang Mai
Sun 10/18
11:55 pm-7:10 am
Nonstop5h 15m
Incheon Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$178
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Chiang Mai to Seoul
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chiang Mai to Seoul in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chiang Mai-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chiang Mai-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chiang Mai-Seoul flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chiang Mai-Seoul flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chiang Mai-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chiang Mai to Seoul
Have a flexible travel schedule? Discover the best time to fly to Seoul from Chiang Mai with our price prediction graph.
CNX-SEL
CNX-ICN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chiang Mai to Seoul
CNX-SEL
CNX-ICN
What is the cheapest month to book a flight from Chiang Mai to Seoul?
Currently, October is the cheapest month in which you can book a flight from Chiang Mai to Seoul (average of $251). Flying from Chiang Mai to Seoul in December is currently the most expensive (average of $508). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CNX to SEL?
Find hourly flight availability from Chiang Mai to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 9, 2026.
When flying from Chiang Mai to Seoul, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Chiang Mai to Seoul
Explore weekly flight availability from Chiang Mai to Seoul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 9, 2026.
The most flights from CNX to SEL are scheduled on a Thursday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).
Related info for your journey
Find useful and relevant information for your journey from Chiang Mai to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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