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Otopeni Intl

$218+ Cheap flights from Washington to Otopeni Intl (OTP)

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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OTP
feb. 7 — feb. 141
sáb. 2/7
sáb. 2/14
1 adult, Economy
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Cheap flight deals from Washington to Otopeni Intl

Keep the following information in mind while searching for Washington to Otopeni Intl flight deals. Data was last updated enero 8, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$493
(oojo)

One-way from

$218
(oojo)

Popular in

December

Cheapest in

January

Average price

$538
Provider with most accurate pricing for Seattle/Tacoma Intl-Bucharest (BUH) flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Bucharest (BUH) flights.
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From Washington to Bucharest Otopeni Intl
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One-way flight from Washington to Bucharest Otopeni Intl
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Highest demand for flights based on searches. 6% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($63 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Washington to Otopeni Intl

Cheapest flights from Washington to Otopeni Intl
Explore the most affordable flight options available from Washington to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 8, 2026.

This oojo deal was found by Cheapflights users on 1/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/131:35 pmSEA - OTP
1 stop24h 50mBritish Airways
jue. 6/48:15 amOTP - SEA
2 stops44h 15mBritish Airways
Deal found 1/7$493
This oojo deal was found by Cheapflights users on 1/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/45:45 pmSEA - OTP
2 stops19h 45mBritish Airways
lun. 2/168:25 pmOTP - SEA
1 stop30h 30mBritish Airways
Deal found 1/8$495
This oojo deal was found by Cheapflights users on 1/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/197:30 pmPDX - OTP
1 stop35h 55mBritish Airways
mié. 8/264:15 pmOTP - PDX
1 stop35h 25mBritish Airways
Deal found 1/5$497
This Air France deal was found by Cheapflights users on 1/7. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/296:40 pmSEA - OTP
1 stop18h 45mMultiple Airlines
jue. 4/98:35 amOTP - SEA
1 stop17h 55mMultiple Airlines
Deal found 1/7$500
This oojo deal was found by Cheapflights users on 1/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/197:30 pmPDX - OTP
1 stop35h 55mBritish Airways
lun. 8/243:30 pmOTP - PDX
1 stop36h 10mBritish Airways
Deal found 1/5$500
This FlightHub deal was found by Cheapflights users on 1/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/296:50 pmSEA - OTP
1 stop20h 20mLufthansa
vie. 4/106:05 amOTP - SEA
1 stop16h 15mLufthansa
Deal found 1/7$501
This Delta deal was found by Cheapflights users on 1/5. 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.
dom. 1/186:15 amSEA - OTP
2 stops30h 35mDelta
mar. 2/31:55 pmOTP - SEA
1 stop31h 45mDelta
Deal found 1/5$502
This oojo deal was found by Cheapflights users on 1/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/307:30 pmPDX - OTP
1 stop19h 50mBritish Airways
mié. 4/88:25 amOTP - PDX
1 stop19h 15mBritish Airways
Deal found 1/6$502
This oojo deal was found by Cheapflights users on 1/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/282:13 pmPDX - OTP
2 stops19h 47mBritish Airways
mié. 2/43:50 pmOTP - PDX
2 stops38h 32mBritish Airways
Deal found 1/7$503
This British Airways deal was found by Cheapflights users on 1/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/197:30 pmPDX - OTP
1 stop19h 15mBritish Airways
vie. 8/218:25 amOTP - PDX
1 stop19h 15mBritish Airways
Deal found 1/7$504
This Delta deal was found by Cheapflights users on 1/6. 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.
lun. 3/2310:58 pmSEA - OTP
2 stops28h 07mDelta
lun. 4/62:00 pmOTP - SEA
1 stop36h 30mDelta
Deal found 1/6$505
This Delta deal was found by Cheapflights users on 1/7. 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.
mar. 3/176:00 amPDX - OTP
2 stops31h 50mDelta
mar. 4/72:00 pmOTP - PDX
1 stop31h 10mDelta
Deal found 1/7$505

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Otopeni 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 enero 8, 2026.
Use the filters below to find and compare flights from Washington to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Washington

Fly to

Otopeni Intl

Route

Depart

Return

Price

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

mié. 2/11

5:45 pm-11:30 pm

2 stops19h 45m

Bucharest Otopeni Intl

lun. 2/23

8:25 pm-4:55 pm

1 stop30h 30m

$495

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

mié. 2/4

5:45 pm-11:30 pm

2 stops19h 45m

Bucharest Otopeni Intl

lun. 2/16

8:25 pm-11:30 am

1 stop25h 05m

$495

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

dom. 3/29

6:40 pm-11:25 pm

1 stop18h 45m

Bucharest Otopeni Intl

jue. 4/9

8:35 am-4:30 pm

1 stop17h 55m

$500

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

dom. 3/29

5:37 am-12:50 am

2 stops33h 13m

Bucharest Otopeni Intl

jue. 4/9

8:15 am-11:35 am

1 stop37h 20m

$500

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

dom. 3/29

6:50 pm-1:10 am

1 stop20h 20m

Bucharest Otopeni Intl

vie. 4/10

6:05 am-12:20 pm

1 stop16h 15m

$501

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

mié. 2/4

2:15 pm-8:10 pm

1 stop19h 55m

Bucharest Otopeni Intl

lun. 2/16

8:35 am-11:40 am

1 stop37h 05m

$501

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

mié. 2/11

2:15 pm-10:30 pm

1 stop22h 15m

Bucharest Otopeni Intl

lun. 2/23

6:00 pm-11:40 am

1 stop27h 40m

$501

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

dom. 1/18

2:10 pm-8:10 pm

1 stop20h 00m

Bucharest Otopeni Intl

mar. 2/3

6:00 am-11:40 am

1 stop15h 40m

$501

PortlandBucharest

PDX - OTP

PDXOTP

Portland

mié. 1/28

6:00 am-8:00 pm

2 stops28h 00m

Bucharest Otopeni Intl

mié. 2/4

3:50 pm-8:22 pm

2 stops38h 32m

$503

PortlandBucharest

PDX - OTP

PDXOTP

Portland

lun. 3/30

7:30 pm-3:25 pm

1 stop33h 55m

Bucharest Otopeni Intl

mié. 4/8

8:25 am-10:49 pm

2 stops24h 24m

$505

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 30 results
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Best time to book a flight from Washington to Otopeni Intl

Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl from Washington 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 Washington to Bucharest Otopeni Intl Airport

What is the cheapest month to book a flight from State of Washington to Bucharest Otopeni Intl Airport?

Currently, October is the cheapest month in which you can book a flight from State of Washington to Bucharest Otopeni Intl Airport (average of $540). Flying from State of Washington to Bucharest Otopeni Intl Airport in February is currently the most expensive (average of $750). 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 State of Washington to Bucharest Otopeni Intl Airport?

Related info for your journey

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

  • How long is the flight from State of Washington to Bucharest Otopeni Intl Airport?

    A quick flight from State of Washington to Bucharest Otopeni Intl Airport can take about 19h 45m. British Airways provides one of the quickest options available for as low as $495. There are 5791 mi between State of Washington and Bucharest Otopeni Intl Airport.

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

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

  • How can I find direct flights from Washington to Otopeni Intl?

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

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

    Yes. Cheapflights offers flight deals from Washington to Otopeni 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 State of Washington to Bucharest Otopeni Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from State of Washington to Bucharest Otopeni Intl Airport (average of $540). Flying from State of Washington to Bucharest Otopeni Intl Airport in February is currently the most expensive (average of $750). 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 Bucharest Otopeni Intl Airport?

Book flights to Bucharest Otopeni Intl Airport if you plan to visit one of these locations
Otopeni

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Alternative routes for Washington to Otopeni Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Washington to Otopeni Intl

Discover the top 7 airlines that operate flights from Washington to Otopeni 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 enero 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$553Average$635FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$581Average$914FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$585Average$1,121FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$591Average$734FlexibilityNo cancel feeOn-time77%
KLMCheapest$656Average$932FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$699Average$807FlexibilityNo cancel feeOn-time77%
DeltaCheapest$772Average$952FlexibilityNo cancel feeOn-timeN/A

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