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Cheap flights from Washington to Bucharest from $341

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 5/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
5:50 am - 6:35 pm
SEA
-
OTP
26h 45m2 stops
Multiple Airlines Logo
6:05 am - 12:20 pm
OTP
-
SEA
16h 15m1 stop
$522Multiple Airlines
Wed, Apr 1 - Thu, Apr 23
Lufthansa Logo
3:10 pm - 6:35 pm
SEA
-
OTP
17h 25m1 stop
Lufthansa Logo
5:55 am - 12:10 pm
OTP
-
SEA
16h 15m1 stop
$526Lufthansa
Sun, Feb 1 - Sat, Feb 14
Lufthansa Logo
3:52 pm - 1:05 am
PDX
-
OTP
23h 13m2 stops
Lufthansa Logo
5:55 am - 6:30 pm
OTP
-
PDX
22h 35m2 stops
$528Lufthansa
Sat, Jan 31 - Sat, Feb 7
British Airways Logo
8:20 pm - 12:25 am
SEA
-
OTP
18h 05m1 stop
British Airways Logo
8:25 am - 6:25 pm
OTP
-
SEA
20h 00m1 stop
$530British Airways
Wed, Apr 15 - Thu, May 7
British Airways Logo
8:04 am - 3:45 pm
SEA
-
OTP
21h 41m2 stops
British Airways Logo
4:00 pm - 4:55 pm
OTP
-
SEA
34h 55m1 stop
$534British Airways
Wed, Feb 4 - Mon, Feb 16
British Airways Logo
1:52 pm - 11:30 pm
PDX
-
OTP
23h 38m2 stops
British Airways Logo
8:05 am - 3:55 pm
OTP
-
PDX
17h 50m1 stop
$534British Airways
Wed, Feb 18 - Wed, Feb 25
Lufthansa Logo
3:10 pm - 1:05 am
SEA
-
OTP
23h 55m1 stop
Lufthansa Logo
5:55 am - 12:10 pm
OTP
-
SEA
16h 15m1 stop
$535Lufthansa
Wed, Feb 4 - Mon, Feb 16
United Airlines Logo
5:45 pm - 1:10 am
SEA
-
OTP
21h 25m2 stops
United Airlines Logo
6:05 am - 12:20 pm
OTP
-
SEA
16h 15m1 stop
$541United Airlines
Wed, Apr 15 - Fri, May 8
United Airlines Logo
5:45 pm - 1:10 am
SEA
-
OTP
21h 25m2 stops
United Airlines Logo
6:05 am - 7:37 pm
OTP
-
SEA
23h 32m2 stops
$545United Airlines
Wed, Apr 15 - Thu, May 7
KLM Logo
1:32 pm - 5:20 pm
PDX
-
OTP
17h 48m2 stops
KLM Logo
7:00 am - 11:10 am
OTP
-
PDX
14h 10m1 stop
$552KLM
Wed, May 6 - Wed, Sep 23

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
Apr 15
SEA8:20 pmSeattle/Tacoma Intl
18h 05m
1 stop
OTP12:25 amBucharest Otopeni Intl
May 7
OTP8:25 amBucharest Otopeni Intl
20h 00m
1 stop
SEA6:25 pmSeattle/Tacoma Intl
$530
Find similar
British Airways
Feb 4
SEA6:50 pmSeattle/Tacoma Intl
15h 10m
1 stop
OTP8:00 pmBucharest Otopeni Intl
Feb 16
OTP4:00 pmBucharest Otopeni Intl
34h 55m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$534
Find similar
British Airways
Feb 18
PDX5:45 pmPortland
16h 15m
1 stop
OTP8:00 pmBucharest Otopeni Intl
Feb 25
OTP8:05 amBucharest Otopeni Intl
17h 50m
1 stop
PDX3:55 pmPortland
$536
Find similar

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
Apr 15
SEA5:45 pmSeattle/Tacoma Intl
21h 25m
2 stops
OTP1:10 amBucharest Otopeni Intl
May 7
OTP6:05 amBucharest Otopeni Intl
16h 15m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$541
Find similar
United Airlines
Apr 15
SEA5:45 pmSeattle/Tacoma Intl
21h 25m
2 stops
OTP1:10 amBucharest Otopeni Intl
May 7
OTP6:05 amBucharest Otopeni Intl
23h 32m
2 stops
SEA7:37 pmSeattle/Tacoma Intl
$545
Find similar
United Airlines
Feb 4
SEA1:17 pmSeattle/Tacoma Intl
38h 48m
3 stops
OTP2:05 pmBucharest Otopeni Intl
Feb 16
OTP5:55 amBucharest Otopeni Intl
26h 48m
2 stops
SEA10:43 pmSeattle/Tacoma Intl
$575
Find similar

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 January 5, 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

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 4/1

5:50 am-6:35 pm

2 stops26h 45m

Bucharest Otopeni Intl

Thu 4/23

6:05 am-12:20 pm

1 stop16h 15m

$522

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 2/1

3:10 pm-6:35 pm

1 stop17h 25m

Bucharest Otopeni Intl

Sat 2/14

5:55 am-12:10 pm

1 stop16h 15m

$526

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sat 1/31

3:52 pm-1:05 am

2 stops23h 13m

Bucharest Otopeni Intl

Sat 2/7

5:55 am-6:30 pm

2 stops22h 35m

$528

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 4/15

8:20 pm-12:25 am

1 stop18h 05m

Bucharest Otopeni Intl

Thu 5/7

8:25 am-6:25 pm

1 stop20h 00m

$530

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 2/4

8:04 am-3:45 pm

2 stops21h 41m

Bucharest Otopeni Intl

Mon 2/16

4:00 pm-4:55 pm

1 stop34h 55m

$534

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Wed 2/18

1:52 pm-11:30 pm

2 stops23h 38m

Bucharest Otopeni Intl

Wed 2/25

8:05 am-3:55 pm

1 stop17h 50m

$534

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 2/4

3:10 pm-1:05 am

1 stop23h 55m

Bucharest Otopeni Intl

Mon 2/16

5:55 am-12:10 pm

1 stop16h 15m

$535

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 4/15

5:45 pm-1:10 am

2 stops21h 25m

Bucharest Otopeni Intl

Fri 5/8

6:05 am-12:20 pm

1 stop16h 15m

$541

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 4/15

5:45 pm-1:10 am

2 stops21h 25m

Bucharest Otopeni Intl

Thu 5/7

6:05 am-7:37 pm

2 stops23h 32m

$545

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Wed 5/6

1:32 pm-5:20 pm

2 stops17h 48m

Bucharest Otopeni Intl

Wed 9/23

7:00 am-11:10 am

1 stop14h 10m

$552

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 October, then book flights to Bucharest Otopeni Intl Airport from State of Washington during September instead. Flights to Bucharest Otopeni Intl Airport in September, while not as cheap as those in October, still average around $692.

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 $859 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 13% 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

14h 55m

Direct flights

None
The fastest flight from State of Washington to Bucharest Otopeni Intl Airport takes 14h 55m
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.
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  • 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 $553Free CancellationRating
6.7
7,649 reviews
Search British Airways flights
LufthansaPriceFrom $581Free CancellationRating
6.8
7,681 reviews
Search Lufthansa flights
United AirlinesPriceFrom $585Free CancellationRating
7.4
9,136 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $591Free CancellationRating
7.3
4,148 reviews
Search Turkish Airlines flights
KLMPriceFrom $656Free CancellationRating
7.7
1,434 reviews
Search KLM flights
Air FrancePriceFrom $699Free CancellationRating
7.4
1,518 reviews
Search Air France flights
DeltaPriceFrom $772Free CancellationRating
7.9
8,018 reviews
Search Delta 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?

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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.

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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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