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Korean Air flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport (BKK - IAD)

BKK — IAD
14 Sep — 21 Sep1
1 adult
1 adult, Economy, 0 bags

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Cheapest Korean Air flights from Suvarnabhumi to Dulles Intl
Explore the most affordable Korean Air flight options available from Suvarnabhumi to Dulles Intl. Find the lowest fares with prices last updated on 15 August 2026.

Tue 25/821:40 -
2 stops37h 54m
Fri 11/1211:50 -
1 stop35h 25m
Deal found 14/8฿53,236
Tue 25/821:40 -
2 stops37h 54m
Thu 10/1206:00 -
2 stops28h 00m
Deal found 14/8฿58,374
Fri 21/802:35 -
2 stops31h 46m
Mon 14/1211:50 -
1 stop35h 25m
Deal found 14/8฿66,428

  • How do most travelers feel about Korean Air?

    The average rating from 1,221 Korean Air reviews by Cheapflights users is 8.4 (out of a maximum rating of 10). If you are considering flying BKK-IAD with Cheapflights, apply your desired dates to the form above to see our best pricing for your trip to Washington, D.C. Dulles Intl Airport with Korean Air.

  • Can I get a flight from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport on Korean Air for under ฿43,092?

    Korean Air offers 1 flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport for under ฿43,092. Prices vary by date and time. To see all prices and select your dates, click here.

Korean Air flights from Suvarnabhumi to Dulles Intl in 2026

Find detailed information about Korean Air flights from Suvarnabhumi to Dulles Intl. Explore the options provided by Korean Air to plan your journey from Suvarnabhumi to Dulles Intl. Data last updated 15 August 2026.

One-way from

฿31,457

Return from

฿53,236

Popular in

December

Cheapest in

March

Average price (all airlines)

฿40,440
Korean Air
  • Korean Air
  • 10/1
  • 1 total stop
  • 24h 20m total
  • Bangkok to Washington, D.C.
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Korean Air
  • Korean Air
  • 25/8-11/12
  • 3 total stops
  • 73h 19m total
  • Bangkok to Washington, D.C.
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Highest demand for flights from Bangkok Suvarnabhumi to Washington, D.C. Dulles Intl; 4% potential price increase.
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Best time to find cheap flights from Bangkok Suvarnabhumi to Washington, D.C. Dulles Intl; 0% potential price drop.
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Average price for all Bangkok Suvarnabhumi to Washington, D.C. Dulles Intl flights (one-way and round-trip).
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Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Best time to book a flight from Suvarnabhumi to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Suvarnabhumi 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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Other Korean Air flights from Suvarnabhumi

Browse through other Korean Air flights departing from Suvarnabhumi. Flight routes are based on user searches made on Cheapflights and were last updated on 15 August 2026.
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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 15 August 2026.
Korean Air
8.4
Very Good
1,221 reviews
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Overview

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

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