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Dulles Intl

$346+ Cheap flights from Bucharest (BUH) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — IAD
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Cheap flight deals from Bucharest to Dulles Intl

Cheapest flights from Bucharest to Dulles Intl
Explore the most affordable flight options available from Bucharest to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 19, 2026.

This KLM deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:35 am
OTP
-
IAD
1 stop14h 00m
Multiple Airlines
Sat 5/29:45 pm
IAD
-
OTP
1 stop17h 50m
Multiple Airlines
Deal found 2/18$519
This KLM deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/94:50 pm
OTP
-
IAD
1 stop29h 45m
Multiple Airlines
Sat 4/259:45 pm
IAD
-
OTP
1 stop17h 50m
Multiple Airlines
Deal found 2/16$520
This KLM deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:00 am
OTP
-
IAD
1 stop17h 05m
Multiple Airlines
Sun 3/87:50 pm
IAD
-
OTP
1 stop14h 00m
Multiple Airlines
Deal found 2/15$521
This KLM deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:05 am
OTP
-
IAD
1 stop15h 30m
KLM
Sat 4/255:40 pm
IAD
-
OTP
1 stop23h 05m
KLM
Deal found 2/18$524
This Delta deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:05 am
OTP
-
IAD
1 stop15h 30m
Delta
Sat 4/255:40 pm
IAD
-
OTP
1 stop16h 40m
Delta
Deal found 2/18$525
This Delta deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:00 am
OTP
-
IAD
1 stop17h 05m
Delta
Tue 3/101:19 pm
IAD
-
OTP
2 stops17h 41m
Delta
Deal found 2/18$526
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/51:55 pm
OTP
-
IAD
2 stops17h 26m
Delta
Mon 3/1610:45 pm
IAD
-
OTP
1 stop18h 05m
Delta
Deal found 2/16$527
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:05 am
OTP
-
IAD
1 stop16h 00m
Lufthansa
Sat 4/2510:20 pm
IAD
-
OTP
1 stop13h 15m
Lufthansa
Deal found 2/19$533
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:05 am
OTP
-
IAD
1 stop16h 00m
Lufthansa
Sat 4/2510:20 pm
IAD
-
OTP
1 stop13h 15m
Lufthansa
Deal found 2/18$536

Find flight deals from Bucharest to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Bucharest (BUH) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$519
(KLM)

One-way from

$346
(KAYAK)

Popular in

January

Cheapest in

October

Average price

$759
Provider with most accurate pricing for Bucharest (BUH)-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bucharest (BUH)-Washington, D.C. Dulles Intl flights.
Search Deals
From Bucharest (BUH) to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Bucharest (BUH) to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($185 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bucharest to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 19, 2026.
Use the filters below to find and compare flights from Bucharest to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Bucharest

Fly to

Dulles Intl

Route

Depart

Return

Price

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Thu 4/16

4:50 pm-3:35 pm

1 stop29h 45m

Washington, D.C. Dulles Intl

Wed 4/29

9:45 pm-11:35 pm

1 stop18h 50m

$519

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Thu 4/9

8:35 am-3:35 pm

1 stop14h 00m

Washington, D.C. Dulles Intl

Thu 4/23

6:15 pm-3:50 pm

1 stop14h 35m

$519

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Thu 4/9

8:35 am-3:35 pm

1 stop14h 00m

Washington, D.C. Dulles Intl

Sat 4/25

9:45 pm-10:35 pm

1 stop17h 50m

$520

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Sat 3/7

6:00 am-4:05 pm

1 stop17h 05m

Washington, D.C. Dulles Intl

Wed 3/11

10:40 pm-10:30 pm

1 stop17h 50m

$520

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Wed 3/4

6:00 am-4:05 pm

1 stop17h 05m

Washington, D.C. Dulles Intl

Sun 3/8

7:50 pm-3:50 pm

1 stop14h 00m

$521

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Thu 3/5

6:00 pm-4:05 pm

1 stop29h 05m

Washington, D.C. Dulles Intl

Mon 3/16

7:50 pm-3:50 pm

1 stop14h 00m

$521

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Thu 4/9

7:05 am-3:35 pm

1 stop15h 30m

Washington, D.C. Dulles Intl

Sat 4/25

5:40 pm-5:20 pm

1 stop16h 40m

$525

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Wed 7/1

8:15 am-5:25 pm

1 stop16h 10m

$346

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Fri 6/26

3:30 pm-5:25 pm

1 stop32h 55m

$346

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Tue 4/14

8:15 am-8:20 pm

1 stop19h 05m

$365

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

Showing 1-10 of 14 results
1
2
  • Most accurate provider: When it comes to deals on Bucharest-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bucharest-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bucharest-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bucharest-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bucharest-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Bucharest to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Bucharest with our price prediction graph.
Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Bucharest to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Bucharest to Washington, D.C. Dulles Intl Airport?

Currently, May is the cheapest month in which you can book a flight from Bucharest to Washington, D.C. Dulles Intl Airport (average of $418). Flying from Bucharest to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $1,092). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Bucharest to Washington, D.C. Dulles Intl Airport?

What’s the top layover airport for flights from Bucharest to Washington, D.C. Dulles Intl Airport?

Share of 1-stop round-trip flights from Bucharest to Washington, D.C. Dulles Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Vienna (VIE) – chosen by Cheapflights users on 50% of 1-stop itineraries from Bucharest to Washington, D.C. Dulles Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from Bucharest to Washington, D.C. Dulles Intl Airport?

Average round-trip fare for 1-stop flights from Bucharest to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Frankfurt am Main (FRA) is the most affordable 1-stop option, with an average round-trip price of $418.

What’s the fastest layover option from Bucharest to Washington, D.C. Dulles Intl Airport?

Shortest average travel time for 1-stop one-way flights from Bucharest to Washington, D.C. Dulles Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 13h 00m.

Which airport typically offers the quickest layover for flights from Bucharest to Washington, D.C. Dulles Intl Airport?

Average layover duration for 1-stop one-way flights from Bucharest to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 2h 03m.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated February 19, 2026.
See what other customers who have flown with SWISS, United Airlines, and Lufthansa from Bucharest to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,878 reviews

Entertainment

6.8

Boarding

7.7

Food

7.1

Crew

8.3

Overall

7.5

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

AMS - ZRH

Amazing alternative from Europe to Hong Kong. Quick connection (even with a non-European passport) and friendly staff that helped me and my family.
SWISS
7.5
Good
1,878 reviews
SWISS
7.5
Good
1,878 reviews

Entertainment

6.8

Boarding

7.7

Food

7.1

Crew

8.3

Overall

7.5

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

AMS - ZRH

Amazing alternative from Europe to Hong Kong. Quick connection (even with a non-European passport) and friendly staff that helped me and my family.
United Airlines
7.4
Good
9,320 reviews
SWISS
7.5
Good
1,878 reviews

Entertainment

6.8

Boarding

7.7

Food

7.1

Crew

8.3

Overall

7.5

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

AMS - ZRH

Amazing alternative from Europe to Hong Kong. Quick connection (even with a non-European passport) and friendly staff that helped me and my family.
Lufthansa
6.8
Okay
7,790 reviews
SWISS
7.5
Good
1,878 reviews

Entertainment

6.8

Boarding

7.7

Food

7.1

Crew

8.3

Overall

7.5

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

AMS - ZRH

Amazing alternative from Europe to Hong Kong. Quick connection (even with a non-European passport) and friendly staff that helped me and my family.

Related info for your journey

Find useful and relevant information for your journey from Bucharest to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Bucharest to Washington, D.C. Dulles Intl Airport round-trip?

    According to our current data, United Airlines ($418), Austrian Airlines ($420), and Air France ($448) offers the cheapest pricing from Bucharest to Washington, D.C. Dulles Intl Airport. United Airlines is currently priced 31% below the average price you’ll pay for this route.

  • Can I find deals for flights from Bucharest to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Bucharest to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bucharest to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bucharest to Dulles Intl.

  • Can I find deals for business class flights from Bucharest to Dulles Intl?

    Yes. Cheapflights offers flight deals from Bucharest to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Bucharest to Washington, D.C. Dulles Intl Airport?

    Currently, May is the cheapest month in which you can book a flight from Bucharest to Washington, D.C. Dulles Intl Airport (average of $418). Flying from Bucharest to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $1,092). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Laurel
Rockville
Upper Marlboro
Linthicum Heights
Manassas
Bowie
Largo
McLean
Clinton
Towson

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Top 5 airlines flying from Bucharest to Dulles Intl

Discover the top 5 airlines that operate flights from Bucharest to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$418Average$459FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$420Average$550FlexibilityNo cancel feeOn-time78%
Air FranceCheapest$448Average$589FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$478Average$664FlexibilityNo cancel feeOn-time76%
KLMCheapest$528Average$672FlexibilityNo cancel feeOn-time75%

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