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Cheap flights from Washington to Bucharest from $476

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 12/13. 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

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Lufthansa Logo
2:00 pm - 11:50 pmSEA-OTP
23h 50m1 stop
Lufthansa Logo
5:50 am - 12:10 pmOTP-SEA
16h 20m1 stop
$501Lufthansa
Find Deal
Thu, Jan 1 - Thu, Jan 15
Lufthansa Logo
2:00 pm - 2:05 pmSEA-OTP
14h 05m1 stop
Lufthansa Logo
2:45 pm - 7:16 pmOTP-SEA
38h 31m2 stops
$506Lufthansa
Find Deal
Thu, Jan 1 - Thu, Jan 15
Lufthansa Logo
2:00 pm - 2:05 pmSEA-OTP
14h 05m1 stop
Lufthansa Logo
6:05 am - 1:20 pmOTP-SEA
17h 15m1 stop
$536Lufthansa
Find Deal
Thu, Jan 1 - Wed, Jan 14
Multiple Airlines Logo
5:00 am - 6:35 pmPDX-OTP
27h 35m2 stops
Multiple Airlines Logo
6:05 am - 6:30 pmOTP-PDX
22h 25m2 stops
$540Multiple Airlines
Find Deal
Mon, Dec 29 - Tue, Jan 13
Multiple Airlines Logo
1:35 pm - 3:05 pmSEA-OTP
15h 30m1 stop
Multiple Airlines Logo
8:05 am - 11:32 pmOTP-SEA
25h 27m2 stops
$547Multiple Airlines
Find Deal
Sat, Feb 14 - Sat, Feb 21
United Airlines Logo
7:30 am - 6:35 pmPDX-OTP
25h 05m2 stops
United Airlines Logo
5:55 am - 12:18 pmOTP-PDX
40h 23m3 stops
$558United Airlines
Find Deal
Mon, Dec 29 - Tue, Jan 13
United Airlines Logo
1:05 pm - 11:55 pmSEA-OTP
24h 50m2 stops
United Airlines Logo
6:05 am - 9:55 amOTP-SEA
37h 50m2 stops
$565United Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 24
British Airways Logo
6:50 pm - 8:00 pmSEA-OTP
15h 10m1 stop
British Airways Logo
8:00 am - 4:55 pmOTP-SEA
18h 55m1 stop
$607British Airways
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Wed, Dec 10 - Thu, Dec 25
KLM Logo
1:25 pm - 12:30 amPDX-OTP
25h 05m1 stop
KLM Logo
8:35 am - 11:25 amOTP-PDX
36h 50m1 stop
$639KLM
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Mon, Dec 29 - Tue, Jan 13
British Airways Logo
5:45 pm - 2:45 pmPDX-OTP
35h 00m1 stop
British Airways Logo
4:40 pm - 8:27 pmOTP-PDX
37h 47m2 stops
$672British Airways
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Mon, Dec 29 - Tue, Jan 13

Lufthansa flights from State of Washington to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on State of Washington to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
Jan 1
SEA2:00 pmSeattle/Tacoma Intl
23h 50m
1 stop
OTP11:50 pmBucharest Otopeni Intl
Jan 15
OTP5:50 amBucharest Otopeni Intl
16h 20m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$501
Find similar
Lufthansa
Jan 1
SEA2:00 pmSeattle/Tacoma Intl
14h 05m
1 stop
OTP2:05 pmBucharest Otopeni Intl
Jan 15
OTP2:45 pmBucharest Otopeni Intl
38h 31m
2 stops
SEA7:16 pmSeattle/Tacoma Intl
$506
Find similar
Lufthansa
Jan 1
SEA2:00 pmSeattle/Tacoma Intl
14h 05m
1 stop
OTP2:05 pmBucharest Otopeni Intl
Jan 14
OTP6:05 amBucharest Otopeni Intl
17h 15m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$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
Dec 29
PDX7:30 amPortland
25h 05m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Jan 13
OTP5:55 amBucharest Otopeni Intl
40h 23m
3 stops
PDX12:18 pmPortland
$558
Find similar
United Airlines
Dec 10
SEA1:05 pmSeattle/Tacoma Intl
24h 50m
2 stops
OTP11:55 pmBucharest Otopeni Intl
Dec 24
OTP6:05 amBucharest Otopeni Intl
37h 50m
2 stops
SEA9:55 amSeattle/Tacoma Intl
$565
Find similar
United Airlines
Dec 23
PDX2:45 pmPortland
47h 10m
2 stops
OTP11:55 pmBucharest Otopeni Intl
Jan 14
OTP6:05 amBucharest Otopeni Intl
27h 01m
2 stops
PDX11:06 pmPortland
$747
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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 November 13, 2025.
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

Thu 1/1

2:00 pm-11:50 pm

1 stop23h 50m

Bucharest Otopeni Intl

Thu 1/15

5:50 am-12:10 pm

1 stop16h 20m

$501

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Thu 1/1

2:00 pm-2:05 pm

1 stop14h 05m

Bucharest Otopeni Intl

Thu 1/15

2:45 pm-7:16 pm

2 stops38h 31m

$506

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Thu 1/1

2:00 pm-2:05 pm

1 stop14h 05m

Bucharest Otopeni Intl

Wed 1/14

6:05 am-1:20 pm

1 stop17h 15m

$536

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 12/29

5:00 am-6:35 pm

2 stops27h 35m

Bucharest Otopeni Intl

Tue 1/13

6:05 am-6:30 pm

2 stops22h 25m

$540

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 2/14

1:35 pm-3:05 pm

1 stop15h 30m

Bucharest Otopeni Intl

Sat 2/21

8:05 am-11:32 pm

2 stops25h 27m

$547

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 12/29

7:30 am-6:35 pm

2 stops25h 05m

Bucharest Otopeni Intl

Tue 1/13

5:55 am-12:18 pm

3 stops40h 23m

$558

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 12/10

1:05 pm-11:55 pm

2 stops24h 50m

Bucharest Otopeni Intl

Wed 12/24

6:05 am-9:55 am

2 stops37h 50m

$565

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 12/10

6:50 pm-8:00 pm

1 stop15h 10m

Bucharest Otopeni Intl

Thu 12/25

8:00 am-4:55 pm

1 stop18h 55m

$607

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 12/29

1:25 pm-12:30 am

1 stop25h 05m

Bucharest Otopeni Intl

Tue 1/13

8:35 am-11:25 am

1 stop36h 50m

$639

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 12/29

5:45 pm-2:45 pm

1 stop35h 00m

Bucharest Otopeni Intl

Tue 1/13

4:40 pm-8:27 pm

2 stops37h 47m

$672

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 $680.

What is the cheapest day to depart on your flight to Bucharest Otopeni Intl Airport?

Our data shows that Sunday is the least expensive day to fly to Bucharest Otopeni Intl Airport. Tickets to fly out on this day can be as low as $879. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from State of Washington to Bucharest Otopeni Intl Airport for around $1,246.

What is the cheapest time of day to depart on your flight to Bucharest Otopeni Intl Airport?

Our most recent data shows that the best time of day to fly to Bucharest Otopeni Intl Airport is in the morning. Flights from State of Washington to Bucharest Otopeni Intl Airport during this time can be as low as $812. In the evening is when there is more demand to fly to Bucharest Otopeni Intl Airport, so prices are often more expensive at around $2,198 per ticket.

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 $954 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 $617 on momondo.

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

You could potentially save up to 17% 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

Direct flights

None
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
LufthansaPriceFrom $581Free CancellationRating
6.8
7,572 reviews
Search Lufthansa flights
United AirlinesPriceFrom $585Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $596Free CancellationRating
7.3
4,043 reviews
Search Turkish Airlines flights
KLMPriceFrom $656Free CancellationRating
7.7
1,411 reviews
Search KLM flights
DeltaPriceFrom $772Free CancellationRating
7.9
8,008 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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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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