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Korean Air flights from Boston to Bangkok Suvarnabhumi Airport (BOS - BKK)

BOS — BKK
5 Aug — 12 Aug1
1 adult
1 adult, Economy, 0 bags

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Cheapest Korean Air flights from Boston to Suvarnabhumi
Explore the most affordable Korean Air flight options available from Boston to Suvarnabhumi. Find the lowest fares with prices last updated on 6 July 2026.

Thu 27/812:55
BOS
-
BKK
1 stop23h 40m
Korean Air
Fri 11/923:30
BKK
-
BOS
1 stop21h 40m
Korean Air
Deal found 5/7฿34,170
Wed 26/806:05
BOS
-
BKK
2 stops32h 00m
Korean Air
Wed 16/921:40
BKK
-
BOS
1 stop23h 30m
Korean Air
Deal found 2/7฿34,303
Mon 31/809:05
BOS
-
BKK
2 stops29h 00m
Korean Air
Wed 28/1000:55
BKK
-
BOS
2 stops28h 32m
Korean Air
Deal found 3/7฿34,669

  • Can I get a flight from Boston to Bangkok Suvarnabhumi Airport on Korean Air for under ฿43,254?

    There are 9 flights available on Korean Air from Boston to Bangkok Suvarnabhumi Airport for under ฿43,254. These prices can change based on many factors including date and time. To find BOS-BKK flight prices for your dates, click here.

Korean Air flights from Boston to Suvarnabhumi in 2026

Find detailed information about Korean Air flights from Boston to Suvarnabhumi. Explore the options provided by Korean Air to plan your journey from Boston to Suvarnabhumi. Data last updated 6 July 2026.

One-way from

฿18,732

Return from

฿34,170

Popular in

December

Cheapest in

March

Average price (all airlines)

฿40,725
Korean Air
  • Korean Air
  • 19/8
  • 1 total stop
  • 25h 10m total
  • Boston to Bangkok
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Korean Air
  • Korean Air
  • 27/8-11/9
  • 2 total stops
  • 45h 20m total
  • Boston to Bangkok
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Highest demand for flights from Boston Logan Intl to Bangkok Suvarnabhumi; 4% potential price increase.
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Best time to find cheap flights from Boston Logan Intl to Bangkok Suvarnabhumi; 3% potential price drop.
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Average price for all Boston Logan Intl to Bangkok Suvarnabhumi flights (one-way and round-trip).
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When is the best time to book a flight to Bangkok Suvarnabhumi Airport with Korean Air?

The best time to book a flight to Bangkok Suvarnabhumi Airport with Korean Air is 37 days before departure. On average, fares are higher if you book 32 days before departure.

Which month is the cheapest to fly Economy class from Boston to Bangkok Suvarnabhumi Airport?

For Economy class flights, the cheapest month to fly this route is March. The most expensive months are June and May.

Best time to book a flight from Boston to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from Boston with our price prediction graph.
Estimated return 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.

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See what others are saying about Korean Air

Read reviews and see what other travellers are saying about their experiences with Korean Air. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Korean Air for your next flight. Reviews last updated 6 July 2026.
Korean Air
8.4
Very Good
1,221 reviews
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Overview

Comfort

8.3

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

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