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Cheap flights from Washington to Bucharest from $241

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Bucharest departing on 5/8. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:15 pm - 1:10 am
PDX
-
OTP
23h 55m
2 stops
Multiple Airlines Logo
6:05 am - 11:58 pm
OTP
-
PDX
27h 53m
2 stops
$548Multiple Airlines
Mon, Mar 30 - Fri, Apr 17
United Airlines Logo
8:45 am - 4:20 pm
SEA
-
OTP
21h 35m
2 stops
United Airlines Logo
6:05 am - 8:50 pm
OTP
-
SEA
24h 45m
2 stops
$551United Airlines
Mon, Jul 27 - Wed, Aug 19
United Airlines Logo
6:50 pm - 1:10 am
SEA
-
OTP
20h 20m
1 stop
United Airlines Logo
6:05 am - 8:50 pm
OTP
-
SEA
24h 45m
2 stops
$555United Airlines
Sun, Jul 26 - Wed, Aug 19
United Airlines Logo
6:50 pm - 1:10 am
SEA
-
OTP
20h 20m
1 stop
United Airlines Logo
1:45 pm - 9:22 am
OTP
-
SEA
29h 37m
2 stops
$561United Airlines
Tue, Jul 21 - Wed, Aug 19
British Airways Logo
1:35 pm - 12:50 am
SEA
-
OTP
25h 15m
1 stop
British Airways Logo
3:40 pm - 6:25 pm
OTP
-
SEA
36h 45m
1 stop
$565British Airways
Sun, Jul 26 - Thu, Sep 10
United Airlines Logo
5:40 am - 4:20 pm
SEA
-
OTP
24h 40m
2 stops
United Airlines Logo
1:45 pm - 11:55 am
OTP
-
SEA
32h 10m
1 stop
$567United Airlines
Mon, Jul 27 - Wed, Aug 19
United Airlines Logo
11:52 pm - 1:05 pm
SEA
-
OTP
27h 13m
2 stops
United Airlines Logo
6:05 am - 11:55 am
OTP
-
SEA
15h 50m
1 stop
$568United Airlines
Sun, Jul 26 - Thu, Sep 10
British Airways Logo
7:30 pm - 12:20 am
PDX
-
OTP
18h 50m
1 stop
British Airways Logo
8:15 am - 5:40 pm
OTP
-
PDX
19h 25m
1 stop
$590British Airways
Wed, Apr 8 - Wed, Apr 15
British Airways Logo
7:30 pm - 1:20 am
PDX
-
OTP
19h 50m
1 stop
British Airways Logo
8:15 am - 5:40 pm
OTP
-
PDX
19h 25m
1 stop
$591British Airways
Mon, Mar 30 - Fri, Apr 17
Delta Logo
6:30 am - 12:45 pm
PDX
-
OTP
20h 15m
2 stops
Delta Logo
7:05 am - 11:10 am
OTP
-
PDX
14h 05m
1 stop
$596Delta
Mon, Mar 30 - Fri, Apr 17

United Airlines flights from State of Washington to Bucharest Otopeni Intl Airport

Our best United Airlines deals on State of Washington to Bucharest Otopeni Intl Airport flight tickets
United Airlines
Jul 27
SEA8:45 amSeattle/Tacoma Intl
21h 35m
2 stops
OTP4:20 pmBucharest Otopeni Intl
Aug 19
OTP6:05 amBucharest Otopeni Intl
24h 45m
2 stops
SEA8:50 pmSeattle/Tacoma Intl
$551
United Airlines
Jul 26
SEA6:50 pmSeattle/Tacoma Intl
20h 20m
1 stop
OTP1:10 amBucharest Otopeni Intl
Aug 19
OTP6:05 amBucharest Otopeni Intl
24h 45m
2 stops
SEA8:50 pmSeattle/Tacoma Intl
$555
United Airlines
Jul 21
SEA6:50 pmSeattle/Tacoma Intl
20h 20m
1 stop
OTP1:10 amBucharest Otopeni Intl
Aug 19
OTP1:45 pmBucharest Otopeni Intl
29h 37m
2 stops
SEA9:22 amSeattle/Tacoma Intl
$561

British Airways flights from State of Washington to Bucharest Otopeni Intl Airport

Our best British Airways deals on State of Washington to Bucharest Otopeni Intl Airport flight tickets
British Airways
Jul 26
SEA1:35 pmSeattle/Tacoma Intl
25h 15m
1 stop
OTP12:50 amBucharest Otopeni Intl
Sep 10
OTP3:40 pmBucharest Otopeni Intl
36h 45m
1 stop
SEA6:25 pmSeattle/Tacoma Intl
$565
British Airways
Apr 8
PDX7:30 pmPortland
18h 50m
1 stop
OTP12:20 amBucharest Otopeni Intl
Apr 15
OTP8:15 amBucharest Otopeni Intl
19h 25m
1 stop
PDX5:40 pmPortland
$590
British Airways
Mar 30
PDX7:30 pmPortland
19h 50m
1 stop
OTP1:20 amBucharest Otopeni Intl
Apr 17
OTP8:15 amBucharest Otopeni Intl
19h 25m
1 stop
PDX5:40 pmPortland
$591

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Bucharest Otopeni 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 22, 2026.
Use the filters below to find and compare flights from Washington to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 3/30

3:15 pm-1:10 am

2 stops23h 55m

Bucharest Otopeni Intl

Fri 4/17

6:05 am-11:58 pm

2 stops27h 53m

$548

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 7/27

8:45 am-4:20 pm

2 stops21h 35m

Bucharest Otopeni Intl

Wed 8/19

6:05 am-8:50 pm

2 stops24h 45m

$551

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 7/26

6:50 pm-1:10 am

1 stop20h 20m

Bucharest Otopeni Intl

Wed 8/19

6:05 am-8:50 pm

2 stops24h 45m

$555

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 7/21

6:50 pm-1:10 am

1 stop20h 20m

Bucharest Otopeni Intl

Wed 8/19

1:45 pm-9:22 am

2 stops29h 37m

$561

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 7/26

1:35 pm-12:50 am

1 stop25h 15m

Bucharest Otopeni Intl

Thu 9/10

3:40 pm-6:25 pm

1 stop36h 45m

$565

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 7/27

5:40 am-4:20 pm

2 stops24h 40m

Bucharest Otopeni Intl

Wed 8/19

1:45 pm-11:55 am

1 stop32h 10m

$567

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 7/26

11:52 pm-1:05 pm

2 stops27h 13m

Bucharest Otopeni Intl

Thu 9/10

6:05 am-11:55 am

1 stop15h 50m

$568

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Wed 4/8

7:30 pm-12:20 am

1 stop18h 50m

Bucharest Otopeni Intl

Wed 4/15

8:15 am-5:40 pm

1 stop19h 25m

$590

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 3/30

7:30 pm-1:20 am

1 stop19h 50m

Bucharest Otopeni Intl

Fri 4/17

8:15 am-5:40 pm

1 stop19h 25m

$591

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 3/30

6:30 am-12:45 pm

2 stops20h 15m

Bucharest Otopeni Intl

Fri 4/17

7:05 am-11:10 am

1 stop14h 05m

$596

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 Bucharest from

How to get the cheapest flight ticket from State of Washington to Bucharest Otopeni 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 Bucharest Otopeni Intl Airport?

If you aren’t able to travel during the month of January, then book flights to Bucharest Otopeni Intl Airport from State of Washington during October instead. Flights to Bucharest Otopeni Intl Airport in October, while not as cheap as those in January, still average around $624.

How far in advance should I book a flight to Bucharest Otopeni Intl Airport?

You are more likely to see cheaper flights to Bucharest Otopeni Intl Airport from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest Otopeni Intl Airport for around $822 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest Otopeni Intl Airport from State of Washington for as low as $584 on momondo.

Can stopping save me money on State of Washington to Bucharest Otopeni Intl Airport flights?

You could potentially save up to 16% on your flight if you consider stops on a State of Washington to Bucharest Otopeni Intl Airport flight.

Cheap State of Washington to Bucharest Otopeni Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Bucharest Otopeni Intl Airport

Fastest flight time

13h 45m

Direct flights

None
The fastest flight from State of Washington to Bucharest Otopeni Intl Airport takes 13h 45m
There are no direct flights from State of Washington to Bucharest Otopeni Intl Airport. There are no popular flight routes from State of Washington to Bucharest Otopeni Intl Airport.
Search flight deals

  • When did momondo last update prices for flights from Washington to Bucharest Otopeni Intl Airport?

    Prices for flights from Washington to Bucharest Otopeni Intl Airport are updated daily.

  • How many operators does momondo search for flights from Washington to Bucharest Otopeni Intl Airport?

  • How old do you have to be to fly from Washington to Bucharest Otopeni Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Bucharest Otopeni Intl Airport.

  • What documentation or ID do you need to fly to Bucharest Otopeni Intl Airport?

    The travel and health documents you'll need for your trip to Bucharest Otopeni Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bucharest Otopeni Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Bucharest Otopeni Intl Airport

Compare and see reviews for airlines that fly from State of Washington to Bucharest Otopeni Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $539Free CancellationRating
6.7
7,757 reviews
Search British Airways flights
LufthansaPriceFrom $565Free CancellationRating
6.8
7,802 reviews
Search Lufthansa flights
KLMPriceFrom $584Free CancellationRating
7.7
1,457 reviews
Search KLM flights
United AirlinesPriceFrom $585Free CancellationRating
7.4
9,339 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $587Free CancellationRating
7.3
4,232 reviews
Search Turkish Airlines flights

Traveling to a place near Bucharest?

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

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Why should I use momondo to find a flight deal from Washington to Bucharest?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Bucharest. momondo saves you time and could save you money on your trip.

Can I find flights from Washington to Bucharest with flexible booking policies on momondo?

All flight searches from Washington to Bucharest on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington to Bucharest?

Once all potential Washington to Bucharest flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Washington to Bucharest flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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