What are the cheapest airlines to fly from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport one-way?

The cheapest airline one-way is Lufthansa, with whom users have recently found tickets for as low as $489. However, be on the lookout for offers from SWISS and Austrian Airlines, as they are both options that can get you from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport for a low price.

What is the cheapest day to fly from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday mornings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular airlines that fly from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport?

Air France, British Airways and KLM are the most popular airlines when flying from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport.

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

The best pricing can be found in the month of June. Prices to Washington, D.C. Dulles Intl Airport from Bucharest Otopeni Intl Airport average $651. You can even find prices in June for less than $651, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as $450. The month of February appears to be one of the more expensive times to travel to Washington, D.C. Dulles Intl Airport from Bucharest Otopeni Intl Airport. Flying in the targeted month can save you up to 17%.

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

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

How can I find direct flights from Otopeni Intl to Dulles Intl?

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

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

Yes. Cheapflights offers flight deals from Otopeni Intl 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.

$487+ Flights from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport

Q: What is the cheapest day to fly round-trip from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Washington, D.C. Dulles Intl Airport. Check prices with Cheapflights to find a great deal for your trip.

Q: How far in advance should I book a flight from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport?

Find a great deal and save up to 86% by booking at least 21 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport within the next two weeks, with the cheapest ticket starting at $546.

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Cheap flight deals from Otopeni Intl to Dulles Intl

Round-trip from	$487 (Lufthansa)
Popular in	June
Cheapest in	February
Average price	$645

From Bucharest Otopeni Intl to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($25 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

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Find flight deals from Otopeni Intl to Dulles Intl

Cheapest flights from Otopeni Intl to Dulles Intl
Explore the most affordable flight options available from Otopeni Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

mar. 8/266:05 amOTP - IAD

1 stop20h 20mLufthansa

mié. 9/1010:20 pmIAD - OTP

1 stop19h 40mLufthansa

Deal found 6/30

$487

mié. 8/274:05 pmOTP - IAD

1 stop29h 30mAustrian Airlines

mié. 9/106:40 pmIAD - OTP

2 stops16h 25mAustrian Airlines

Deal found 6/30

$489

lun. 9/19:50 pmOTP - IAD

1 stop29h 09mScandinavian Airlines

vie. 9/1210:05 pmIAD - OTP

1 stop15h 30mScandinavian Airlines

Deal found 7/2

$490

lun. 9/14:10 pmOTP - IAD

1 stop31h 05mSWISS

mié. 9/108:45 pmIAD - OTP

1 stop21h 35mSWISS

Deal found 7/1

$492

mar. 7/151:50 pmOTP - IAD

1 stop13h 15mUnited Airlines

vie. 8/1510:20 pmIAD - OTP

1 stop19h 40mUnited Airlines

Deal found 7/1

$504

sáb. 9/206:00 amOTP - IAD

2 stops17h 18mAir Canada

lun. 9/291:00 pmIAD - OTP

2 stops17h 05mAir Canada

Deal found 7/1

$535

mié. 8/138:25 amOTP - IAD

1 stop18h 45mBritish Airways

lun. 8/257:25 pmIAD - OTP

1 stop15h 00mBritish Airways

Deal found 7/3

$543

mar. 9/27:00 amOTP - IAD

1 stop15h 35mDelta

jue. 9/1112:35 pmIAD - OTP

2 stops16h 35mDelta

Deal found 7/1

$563

Best flights from Otopeni Intl to Dulles Intl
Discover carefully curated flight deals from Otopeni Intl to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 3, 2025.

mar. 8/266:05 amOTP - IAD

1 stop20h 20mLufthansa

mié. 9/1010:20 pmIAD - OTP

1 stop19h 40mLufthansa

Deal found 6/30

$487

mié. 8/278:50 pmOTP - IAD

1 stop30h 09mScandinavian Airlines

dom. 9/710:05 pmIAD - OTP

1 stop16h 05mScandinavian Airlines

Deal found 6/30

$489

mar. 9/26:35 amOTP - IAD

2 stops15h 50mAustrian Airlines

mié. 9/245:25 pmIAD - OTP

1 stop12h 00mAustrian Airlines

Deal found 7/2

$491

lun. 9/14:10 pmOTP - IAD

1 stop31h 05mSWISS

mié. 9/108:45 pmIAD - OTP

1 stop21h 35mSWISS

Deal found 7/1

$492

mar. 7/151:50 pmOTP - IAD

1 stop13h 15mUnited Airlines

vie. 8/1510:20 pmIAD - OTP

1 stop19h 40mUnited Airlines

Deal found 7/1

$504

sáb. 9/206:00 amOTP - IAD

2 stops17h 18mAir Canada

lun. 9/291:00 pmIAD - OTP

2 stops17h 05mAir Canada

Deal found 7/1

$535

mié. 8/138:25 amOTP - IAD

1 stop18h 45mBritish Airways

lun. 8/257:25 pmIAD - OTP

1 stop15h 00mBritish Airways

Deal found 7/3

$543

mar. 9/27:00 amOTP - IAD

1 stop15h 35mDelta

jue. 9/1112:35 pmIAD - OTP

2 stops16h 35mDelta

Deal found 7/1

$563

Last-minute flights from Otopeni Intl to Dulles Intl
Discover last-minute flight deals from Otopeni Intl to Dulles Intl. Data last updated julio 3, 2025 and is based on user searches.

mar. 7/82:20 amOTP - IAD

1 stop37h 20mEmirates

mar. 8/510:55 amIAD - OTP

1 stop20h 50mEmirates

Deal found 7/3

$1,874

mié. 7/96:40 pmOTP - IAD

1 stop32h 25mLufthansa

mar. 8/510:20 pmIAD - OTP

1 stop19h 35mLufthansa

Deal found 7/3

$566

mié. 7/96:55 pmOTP - IAD

1 stop26h 40mMultiple Airlines

mar. 8/58:45 pmIAD - OTP

1 stop21h 20mMultiple Airlines

Deal found 7/3

$618

mié. 7/96:05 amOTP - IAD

1 stop16h 15mUnited Airlines

lun. 8/45:40 pmIAD - OTP

1 stop11h 15mUnited Airlines

Deal found 7/3

$621

mié. 7/96:55 pmOTP - IAD

1 stop26h 40mAustrian Airlines

mié. 8/65:45 pmIAD - OTP

2 stops17h 20mAustrian Airlines

Deal found 7/3

$649

mié. 7/94:10 pmOTP - IAD

1 stop31h 05mSWISS

lun. 8/48:45 pmIAD - OTP

1 stop21h 20mSWISS

Deal found 7/3

$708

mié. 7/97:00 amOTP - IAD

2 stops16h 43mDelta

mié. 8/612:45 pmIAD - OTP

2 stops16h 25mDelta

Deal found 7/3

$827

mié. 7/96:00 amOTP - IAD

2 stops22h 01mAir Canada

lun. 8/48:22 amIAD - OTP

2 stops20h 33mAir Canada

Deal found 7/3

$924

mar. 7/151:50 pmOTP - IAD

2 stops33h 29mUnited Airlines

vie. 8/1510:20 pmIAD - OTP

1 stop19h 40mUnited Airlines

Deal found 7/1

$492

vie. 7/186:35 amOTP - IAD

1 stop15h 00mMultiple Airlines

mar. 7/228:45 pmIAD - OTP

1 stop11h 35mMultiple Airlines

Deal found 7/1

$511

mié. 8/138:25 amOTP - IAD

1 stop16h 05mBritish Airways

lun. 8/2510:40 pmIAD - OTP

1 stop19h 45mBritish Airways

Deal found 7/2

$541

sáb. 8/238:25 amOTP - IAD

1 stop14h 25mAmerican Airlines

dom. 9/75:26 pmIAD - OTP

2 stops24h 19mAmerican Airlines

Deal found 6/30

$565

One-way flights from Otopeni Intl to Dulles Intl
Search for one-way flight options from Otopeni Intl to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated julio 3, 2025.

lun. 9/86:05 amOTP - IAD

1 stop20h 20mLufthansa

Deal found 7/1

$489

lun. 9/86:30 amOTP - IAD

1 stop16h 45mSWISS

Deal found 7/3

$506

mié. 10/299:50 amOTP - IAD

2 stops17h 25mMultiple Airlines

Deal found 7/1

$537

mié. 10/296:40 amOTP - IAD

2 stops14h 50mAustrian Airlines

Deal found 7/3

$540

dom. 8/38:20 amOTP - IAD

1 stop18h 55mAmerican Airlines

Deal found 7/3

$573

lun. 9/87:00 amOTP - IAD

2 stops19h 43mDelta

Deal found 7/2

$613

sáb. 7/268:25 amOTP - IAD

1 stop18h 50mBritish Airways

Deal found 7/2

$790

dom. 9/72:20 amOTP - IAD

1 stop37h 20mEmirates

Deal found 7/3

$1,173

Cheapflights Fare Finder

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

mar. 8/26

6:05 am-7:25 pm

1 stop20h 20m

Washington, D.C. Dulles Intl

mié. 9/10

10:20 pm-1:00 am

1 stop19h 40m

$487

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

mié. 8/27

8:50 pm-7:59 pm

1 stop30h 09m

Washington, D.C. Dulles Intl

dom. 9/7

10:05 pm-9:10 pm

1 stop16h 05m

$489

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

mar. 9/2

6:35 am-3:25 pm

2 stops15h 50m

Washington, D.C. Dulles Intl

dom. 9/14

5:25 pm-3:20 pm

1 stop14h 55m

$491

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

lun. 9/1

4:10 pm-4:15 pm

1 stop31h 05m

Washington, D.C. Dulles Intl

mié. 9/10

8:45 pm-1:20 am

1 stop21h 35m

$492

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

mar. 7/15

1:50 pm-8:05 pm

1 stop13h 15m

Washington, D.C. Dulles Intl

vie. 8/15

10:20 pm-1:00 am

1 stop19h 40m

$504

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

sáb. 9/20

6:00 am-4:18 pm

2 stops17h 18m

Washington, D.C. Dulles Intl

lun. 9/29

1:00 pm-1:05 pm

2 stops17h 05m

$535

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

mié. 8/13

8:25 am-8:10 pm

1 stop18h 45m

Washington, D.C. Dulles Intl

lun. 8/25

7:25 pm-5:25 pm

1 stop15h 00m

$543

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

mar. 9/2

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

jue. 9/11

12:35 pm-12:10 pm

2 stops16h 35m

$563

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

lun. 9/8

6:05 am-7:25 pm

1 stop20h 20m

$489

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

lun. 9/8

6:30 am-4:15 pm

1 stop16h 45m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 16 results

Best time to book a flight from Otopeni Intl to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Otopeni Intl 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 Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport

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

Currently, August is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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.

What is the cheapest time of day to fly from OTP to IAD?

One of the essential ways to save on airfare from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 10% on airfare.

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

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Emirates, Delta, and Austrian Airlines from Bucharest Otopeni Intl Airport 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.

Emirates

8.1

Very good

3,287 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Emirates

8.1

Very good

3,287 reviews

Emirates

8.1

Very good

3,287 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Delta

8.0

Very good

7,970 reviews

Emirates

8.1

Very good

3,287 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Austrian Airlines

7.6

Good

809 reviews

Emirates

8.1

Very good

3,287 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

SWISS

7.5

Good

1,654 reviews

Emirates

8.1

Very good

3,287 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

United Airlines

7.4

Good

8,845 reviews

Emirates

8.1

Very good

3,287 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Related info for your journey

What are the cheapest airlines flying from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport round-trip?
Cheapflights users have booked flights from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport round-trip from $487. Other airlines that can offer you cheap pricing are Scandinavian Airlines, from $489, and Austrian Airlines, from $491. Lufthansa is currently priced 23% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport one-way?
The cheapest airline one-way is Lufthansa, with whom users have recently found tickets for as low as $489. However, be on the lookout for offers from SWISS and Austrian Airlines, as they are both options that can get you from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport for a low price.
Can I find deals for flights from Otopeni Intl to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Otopeni Intl to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Otopeni Intl to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Otopeni Intl to Dulles Intl.
Can I find deals for business class flights from Otopeni Intl to Dulles Intl?
Yes. Cheapflights offers flight deals from Otopeni Intl 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 Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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.

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Top 7 airlines flying from Otopeni Intl to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$418	Average$638	FlexibilityNo cancel fee	On-time69%
British Airways	Cheapest$461	Average$597	FlexibilityNo cancel fee	On-time70%
Lufthansa	Cheapest$489	Average$791	FlexibilityNo cancel fee	On-time76%
KLM	Cheapest$514	Average$737	FlexibilityNo cancel fee	On-time75%
Turkish Airlines	Cheapest$559	Average$619	FlexibilityNo cancel fee	On-time77%
Austrian Airlines	Cheapest$580	Average$641	FlexibilityNo cancel fee	On-time78%
Air France	Cheapest$597	Average$779	FlexibilityNo cancel fee	On-time77%

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$487+ Cheap flights from Otopeni Intl (OTP) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Otopeni Intl to Dulles Intl with Cheapflights

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Cheap flight deals from Otopeni Intl to Dulles Intl

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Cheapest flights from Otopeni Intl to Dulles IntlExplore the most affordable flight options available from Otopeni Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

Explore the most affordable flight options available from Otopeni Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

Cheapflights Fare Finder

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.

Best time to book a flight from Otopeni Intl to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Otopeni Intl with our price prediction graph.

Cheapflights Insights

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

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

What is the cheapest time of day to fly from OTP to IAD?

Find hourly flight availability from Otopeni Intl to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 3, 2025.

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

Reviews of airlines servicing Dulles Intl

Related info for your journey

Find useful and relevant information for your journey from Otopeni Intl 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 Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport round-trip?

What are the cheapest airlines to fly from Bucharest Otopeni Intl Airport to Washington, D.C. Dulles Intl Airport one-way?

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

How can I find direct flights from Otopeni Intl to Dulles Intl?

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

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

Traveling to a place near Bucharest Otopeni Intl Airport?

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Alternative routes for Otopeni Intl to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Otopeni Intl to Dulles Intl

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Cheapest flights from Otopeni Intl to Dulles Intl
Explore the most affordable flight options available from Otopeni Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.