Roundtrip
Last Minute
🇰🇷Seoul
South Korea
City Nightlife
Aug 4TueAug 19Wed
15 nights26°
Roundtrip fare
฿7,522
Steal
฿11,124-32%฿3,602 below avg
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T'way Air
DirectT'way AirBest Time to Visit Seoul
Compare the cheapest months to fly from Bangkok to Seoul. One-way and roundtrip prices are shown as separate series.
One way from ฿4,139
Roundtrip from ฿7,522
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Featured Deals · Roundtrip
Outbound and return flights together in one total fare · Best fares right now
Roundtrip
Holiday
🇰🇷Seoul
South Korea
City Nightlife
Sep 22TueSep 29Tue
7 nights21°
Roundtrip fare
฿7,628
Steal
฿11,124-31%฿3,496 below avg
Thai VietJet AirRoundtrip
Holiday
🇰🇷Seoul
South Korea
City Nightlife
Sep 24ThuSep 29Tue
5 nights21°
Roundtrip fare
฿7,631
Steal
฿11,124-31%฿3,493 below avg
Thai VietJet AirRoundtrip
Holiday
🇰🇷Seoul
South Korea
City Nightlife
Sep 21MonSep 26Sat
5 nights21°
Roundtrip fare
฿7,645
Steal
฿11,124-31%฿3,479 below avg
Thai VietJet AirRoundtrip
Holiday
🇰🇷Seoul
South Korea
City Nightlife
Sep 22TueSep 26Sat
4 nights21°
Roundtrip fare
฿7,660
Steal
฿11,124-31%฿3,464 below avg
Thai VietJet AirRoundtrip
Holiday
🇰🇷Seoul
South Korea
City Nightlife
Sep 21MonSep 29Tue
8 nights21°
Roundtrip fare
฿7,671
Steal
฿11,124-31%฿3,453 below avg
Thai VietJet AirRoundtrip
Holiday
🇰🇷Seoul
South Korea
City Nightlife
Sep 23WedSep 28Mon
5 nights21°
Roundtrip fare
฿7,678
Steal
฿11,124-31%฿3,446 below avg
Thai VietJet AirRoundtrip
Last Minute
🇰🇷Seoul
South Korea
City Nightlife
Aug 4TueAug 21Fri
17 nights26°
Roundtrip fare
฿7,688
Steal
฿11,124-31%฿3,436 below avg
Thai VietJet AirRoundtrip
Last Minute
🇰🇷Seoul
South Korea
City Nightlife
Aug 4TueAug 25Tue
21 nights26°
Roundtrip fare
฿7,688
Steal
฿11,124-31%฿3,436 below avg
Thai VietJet AirFeatured Deals · One way
Outbound-only fares for flexible and open-ended plans · Best fares right now
Month price intelligence
Min and average fares.
Month price intelligence
Min and average fares.
January 2027
635 fares
One way30
- Min
- ฿5,737
- Avg
- ฿6,682
Roundtrip605
- Min
- ฿9,964
- Avg
- ฿12,251
February 2027
250 fares
One way11
- Min
- ฿5,794
- Avg
- ฿6,477
Roundtrip239
- Min
- ฿9,832
- Avg
- ฿11,416
July 2026
51 fares
One way3
- Min
- ฿4,687
- Avg
- ฿5,320
Roundtrip48
- Min
- ฿8,025
- Avg
- ฿9,925
August 2026
650 fares
One way31
- Min
- ฿4,196
- Avg
- ฿5,472
Roundtrip619
- Min
- ฿7,522
- Avg
- ฿9,556
September 2026
629 fares
One way30
- Min
- ฿4,139
- Avg
- ฿5,184
Roundtrip599
- Min
- ฿7,628
- Avg
- ฿9,919
October 2026
651 fares
One way31
- Min
- ฿4,975
- Avg
- ฿5,537
Roundtrip620
- Min
- ฿8,803
- Avg
- ฿10,187
November 2026
630 fares
One way30
- Min
- ฿5,163
- Avg
- ฿6,066
Roundtrip600
- Min
- ฿9,173
- Avg
- ฿11,534
December 2026
628 fares
One way31
- Min
- ฿5,162
- Avg
- ฿6,788
Roundtrip597
- Min
- ฿10,154
- Avg
- ฿13,360
FAQ: Best Time to Visit Seoul
What is the cheapest flight from Bangkok to Seoul?
The cheapest flight we've found from Bangkok to Seoul is ฿7,522. Prices change frequently, so check back often for the latest deals.
What is the average flight price from Bangkok to Seoul?
The average price for flights from Bangkok to Seoul is around ฿9,556. You can save up to 21% by booking the cheapest available deal.
When is the best time to fly from Bangkok to Seoul?
Based on current prices, August offers some of the best deals from Bangkok to Seoul. Check the month-by-month breakdown on this page for the cheapest times to fly.
Are there direct flights from Bangkok to Seoul?
Availability of direct flights depends on the season and airline. Use the "Direct" filter on our search page to find non-stop flights from Bangkok to Seoul.
Quick Answers
What is a steal?
A steal is one of the lowest fares available for that destination and fare type. One-way and roundtrip baselines stay separate.
When is the cheapest month?
september 2026 currently starts at ฿4,139, the lowest fare among these months.
What should I compare?
Check the fare-type label, total price, relevant dates, airlines, stops, travel time and baggage before you choose.
Can prices change?
Yes. Confirm the final price and flight details before you pay.