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Cheap flights from Bucharest Otopeni Intl Airport to Washington, D.C. from $309

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bucharest Otopeni Intl Airport to Washington, D.C. departing on 5/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Bucharest Otopeni Intl Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:50 pm - 3:35 pm
OTP
-
IAD
29h 45m
1 stop
Multiple Airlines Logo
9:45 pm - 8:10 pm
IAD
-
OTP
15h 25m
1 stop
$520Multiple Airlines
Wed, Apr 15 - Thu, Apr 23
Multiple Airlines Logo
4:50 pm - 3:35 pm
OTP
-
IAD
29h 45m
1 stop
Multiple Airlines Logo
6:15 pm - 11:35 pm
IAD
-
OTP
22h 20m
1 stop
$521Multiple Airlines
Thu, Apr 9 - Thu, Apr 23
Multiple Airlines Logo
4:50 pm - 4:05 pm
OTP
-
IAD
30h 15m
1 stop
Multiple Airlines Logo
10:40 pm - 10:30 pm
IAD
-
OTP
17h 50m
1 stop
$522Multiple Airlines
Thu, Feb 26 - Wed, Mar 11
Delta Logo
6:00 am - 4:05 pm
OTP
-
IAD
17h 05m
1 stop
Delta Logo
1:19 pm - 12:05 pm
IAD
-
OTP
16h 46m
2 stops
$523Delta
Sat, Feb 28 - Mon, Mar 16
KLM Logo
4:50 pm - 5:05 pm
OTP
-
IAD
30h 15m
1 stop
KLM Logo
6:10 pm - 3:25 pm
IAD
-
OTP
14h 15m
1 stop
$527KLM
Sun, Mar 22 - Mon, Mar 30
Multiple Airlines Logo
6:00 am - 4:28 pm
OTP
-
IAD
17h 28m
2 stops
Multiple Airlines Logo
7:50 pm - 10:30 pm
IAD
-
OTP
20h 40m
1 stop
$528Multiple Airlines
Thu, Feb 26 - Wed, Mar 11
Delta Logo
6:00 am - 4:05 pm
OTP
-
IAD
17h 05m
1 stop
Delta Logo
12:24 pm - 1:00 pm
IAD
-
OTP
17h 36m
2 stops
$529Delta
Sat, Feb 28 - Wed, Mar 4
Multiple Airlines Logo
7:05 am - 3:35 pm
OTP
-
IAD
15h 30m
1 stop
Multiple Airlines Logo
9:45 pm - 8:10 pm
IAD
-
OTP
15h 25m
1 stop
$530Multiple Airlines
Tue, May 5 - Fri, Jun 5
Multiple Airlines Logo
4:50 pm - 3:35 pm
OTP
-
IAD
29h 45m
1 stop
Multiple Airlines Logo
9:45 pm - 8:10 pm
IAD
-
OTP
15h 25m
1 stop
$532Multiple Airlines
Tue, May 5 - Fri, Jun 5
Multiple Airlines Logo
6:10 pm - 3:35 pm
OTP
-
IAD
28h 25m
1 stop
Multiple Airlines Logo
9:45 pm - 8:10 pm
IAD
-
OTP
15h 25m
1 stop
$533Multiple Airlines
Tue, May 5 - Fri, Jun 5

United Airlines flights from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Jun 16
OTP1:50 pmBucharest Otopeni Intl
13h 05m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl
Jul 21
IAD10:20 pmWashington, D.C. Dulles Intl
18h 10m
1 stop
OTP11:30 pmBucharest Otopeni Intl
$553
United Airlines
Feb 26
OTP5:50 amBucharest Otopeni Intl
17h 00m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Mar 11
IAD6:40 pmWashington, D.C. Dulles Intl
11h 40m
1 stop
OTP12:20 pmBucharest Otopeni Intl
$554
United Airlines
Feb 26
OTP5:50 amBucharest Otopeni Intl
17h 00m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Mar 11
IAD6:40 pmWashington, D.C. Dulles Intl
11h 40m
1 stop
OTP12:20 pmBucharest Otopeni Intl
$555

British Airways flights from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport

Our best British Airways deals on Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
British Airways
Feb 26
OTP8:00 amBucharest Otopeni Intl
19h 30m
2 stops
IAD8:30 pmWashington, D.C. Dulles Intl
Mar 11
IAD7:20 pmWashington, D.C. Dulles Intl
22h 10m
1 stop
OTP11:30 pmBucharest Otopeni Intl
$569
British Airways
Feb 14
OTP8:05 amBucharest Otopeni Intl
14h 30m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Feb 18
IAD6:20 pmWashington, D.C. Dulles Intl
14h 25m
1 stop
OTP3:45 pmBucharest Otopeni Intl
$806
British Airways
Feb 14
OTP8:05 amBucharest Otopeni Intl
14h 30m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Feb 18
IAD6:20 pmWashington, D.C. Dulles Intl
14h 25m
1 stop
OTP3:45 pmBucharest Otopeni Intl
$808

momondo Fare Finder

 
Customize your flight search to find flights from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Wed 4/15

4:50 pm-3:35 pm

1 stop29h 45m

Washington, D.C. Dulles Intl

Thu 4/23

9:45 pm-8:10 pm

1 stop15h 25m

$520

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Thu 4/9

4:50 pm-3:35 pm

1 stop29h 45m

Washington, D.C. Dulles Intl

Thu 4/23

6:15 pm-11:35 pm

1 stop22h 20m

$521

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Thu 2/26

4:50 pm-4:05 pm

1 stop30h 15m

Washington, D.C. Dulles Intl

Wed 3/11

10:40 pm-10:30 pm

1 stop17h 50m

$522

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Sat 2/28

6:00 am-4:05 pm

1 stop17h 05m

Washington, D.C. Dulles Intl

Mon 3/16

1:19 pm-12:05 pm

2 stops16h 46m

$523

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Sun 3/22

4:50 pm-5:05 pm

1 stop30h 15m

Washington, D.C. Dulles Intl

Mon 3/30

6:10 pm-3:25 pm

1 stop14h 15m

$527

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Thu 2/26

6:00 am-4:28 pm

2 stops17h 28m

Washington, D.C. Dulles Intl

Wed 3/11

7:50 pm-10:30 pm

1 stop20h 40m

$528

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Sat 2/28

6:00 am-4:05 pm

1 stop17h 05m

Washington, D.C. Dulles Intl

Wed 3/4

12:24 pm-1:00 pm

2 stops17h 36m

$529

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Tue 5/5

7:05 am-3:35 pm

1 stop15h 30m

Washington, D.C. Dulles Intl

Fri 6/5

9:45 pm-8:10 pm

1 stop15h 25m

$530

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Tue 5/5

4:50 pm-3:35 pm

1 stop29h 45m

Washington, D.C. Dulles Intl

Fri 6/5

9:45 pm-8:10 pm

1 stop15h 25m

$532

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Tue 5/5

6:10 pm-3:35 pm

1 stop28h 25m

Washington, D.C. Dulles Intl

Fri 6/5

9:45 pm-8:10 pm

1 stop15h 25m

$533

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, May is the cheapest month to fly from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $505. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of May, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $523.

How have Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of February 2026, prices for Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport (OTP to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport

Fastest flight time

14h 30m

Direct flights

None
The fastest flight from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport takes 14h 30m
There are no direct flights from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport.
Search flight deals

  • How far is Bucharest Otopeni Intl to Washington, D.C. Dulles Intl by plane?

    The straight-line distance from Bucharest Otopeni Intl to Washington, D.C. Dulles Intl is 4961.5 mi. Typically, this will take 14h 30m by plane in normal conditions.

  • When did momondo last update prices for flights from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $418Free CancellationRating
7.4
9,289 reviews
Search United Airlines flights
Austrian AirlinesPriceFrom $420Free CancellationRating
7.5
896 reviews
Search Austrian Airlines flights
Air FrancePriceFrom $448Free CancellationRating
7.4
1,534 reviews
Search Air France flights
LufthansaPriceFrom $478Free CancellationRating
6.8
7,784 reviews
Search Lufthansa flights
KLMPriceFrom $528Free CancellationRating
7.7
1,454 reviews
Search KLM flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Colonial Beach
Tysons
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from Bucharest to Washington, D.C.?

Finding the right flight to Washington, D.C. from Bucharest is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Bucharest to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Bucharest on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Bucharest to Washington, D.C.?

momondo helps you find the best flight between Bucharest and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Bucharest to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Bucharest to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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