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

BKK — IAD
24 Mar — 31 Mar1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from Bangkok to Washington, D.C. on Korean Air typically fly into Washington, D.C. Dulles Intl and depart from Bangkok Suvarnabhumi. Select your dates above for pricing.

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 22 February 2026.

One-way from

฿19,796

Return from

฿38,816

Popular in

October

Cheapest in

July

Average price (all airlines)

฿38,164
Korean Air
  • Korean Air
  • 4/3
  • 1 total stop
  • 20h 55m total
  • Bangkok to Washington, D.C.
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Korean Air
  • Korean Air
  • 4/3-5/3
  • 2 total stops
  • 45h 50m total
  • Bangkok to Washington, D.C.
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Highest demand for flights from Bangkok Suvarnabhumi to Washington, D.C. Dulles Intl; 3% potential price increase.
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Best time to find cheap flights from Bangkok Suvarnabhumi to Washington, D.C. Dulles Intl; 1% 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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  • How do most travelers feel about Korean Air?

    The average rating from 1,195 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 ฿40,336?

    Korean Air offers 2 flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Dulles Intl Airport for under ฿40,336. Prices vary by date and time. To see all prices and select your dates, click here.

Find Korean Air flight deals from Suvarnabhumi to Dulles Intl

Enter your travel dates to find the best prices.

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 22 February 2026.

Wed 4/300:55
BKK
-
IAD
1 stop20h 55m
Korean Air
Thu 5/311:50
IAD
-
BKK
1 stop24h 55m
Korean Air
Deal found 19/2฿38,816
Tue 3/300:55
BKK
-
IAD
1 stop20h 55m
Korean Air
Thu 5/311:50
IAD
-
BKK
1 stop24h 55m
Korean Air
Deal found 19/2฿40,802
Fri 13/300:55
BKK
-
IAD
1 stop20h 55m
Korean Air
Sun 22/312:50
IAD
-
BKK
1 stop25h 05m
Korean Air
Deal found 22/2฿43,563

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 22 February 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 22 February 2026.
Korean Air
8.4
Very Good
1,195 reviews
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Overview

Comfort

8.3

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

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