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

BOS — BKK
3 Feb — 10 Feb1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from Boston to Bangkok on Korean Air typically fly into Bangkok Suvarnabhumi and depart from Boston Logan Intl. Select your dates above for pricing.

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 4 January 2026.

One-way from

฿14,792

Return from

฿23,793

Popular in

December

Cheapest in

September

Average price (all airlines)

฿29,773
Korean Air
  • Korean Air
  • 6/3
  • 2 total stops
  • 29h 20m total
  • Boston to Bangkok
Korean Air
  • Korean Air
  • 22/3-13/4
  • 4 total stops
  • 79h 59m total
  • Boston to Bangkok
Highest demand for flights from Boston Logan Intl to Bangkok Suvarnabhumi; 1% potential price increase.
Best time to find cheap flights from Boston Logan Intl to Bangkok Suvarnabhumi; 3% potential price drop.
Average price for all Boston Logan Intl to Bangkok Suvarnabhumi flights (one-way and round-trip).
  • Can I get a flight from Boston to Bangkok Suvarnabhumi Airport on Korean Air for under ฿31,473?

    There are 6 flights available on Korean Air from Boston to Bangkok Suvarnabhumi Airport for under ฿31,473. These prices can change based on many factors including date and time. To find BOS-BKK flight prices for your dates, click here.

  • How do most travelers feel about Korean Air?

    When planning your BOS-BKK trip, keep in mind that Korean Air is typically rated 8.4/10. This rating comes from 1,187 reviews by Cheapflights users who have traveled with Korean Air.

Find Korean Air flight deals from Boston to Suvarnabhumi

Enter your travel dates to find the best prices.

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 4 January 2026.

Thu 29/111:00BOS - BKK
1 stop25h 55mKorean Air
Mon 2/223:15BKK - BOS
1 stop21h 25mKorean Air
Deal found 4/1฿23,856
Thu 29/106:00BOS - BKK
2 stops30h 55mKorean Air
Tue 3/223:15BKK - BOS
1 stop21h 25mKorean Air
Deal found 4/1฿24,045
Wed 28/111:00BOS - BKK
1 stop25h 55mKorean Air
Mon 2/221:30BKK - BOS
2 stops30h 23mKorean Air
Deal found 4/1฿24,202

Travel insights for Korean Air flights from Boston to Suvarnabhumi

Get recent, data-driven insights about Korean Air flights from Boston to Suvarnabhumi including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Boston to Bangkok Suvarnabhumi Airport with Korean Air?

Use this chart to determine the optimal time to book a return flight from Boston to Suvarnabhumi. Price data was last updated on 2 January 2026.

Booking with Korean Air 38 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Bangkok Suvarnabhumi Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Boston to Bangkok Suvarnabhumi Airport with Korean Air?

Currently, the most affordable month to book a Korean Air flight from Boston to Bangkok Suvarnabhumi Airport in August, with an average price of ฿22,503. Conversely, traveling with Korean Air from Boston to Bangkok Suvarnabhumi Airport in June will be the most expensive, with an average cost of ฿43,999. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

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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Fly from Boston to Suvarnabhumi on another airline

Consider alternative airlines that service the Suvarnabhumi area. Flight routes are based on user searches made on Cheapflights and were last updated on 4 January 2026.

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 4 January 2026.
Korean Air
8.4
Very Good
1,187 reviews
Overview

Entertainment

8.2

Boarding

8.5

Crew

8.7

Food

8.1

Comfort

8.3

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