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Cheap flights from Washington to Bucharest from $413

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 1/5. 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

Lufthansa Logo
3:10 pm - 6:35 pmSEA-OTP
17h 25m1 stop
Lufthansa Logo
6:05 am - 6:52 pmOTP-SEA
22h 47m2 stops
$501Lufthansa
Find Deal
Wed, Nov 12 - Wed, Nov 19
United Airlines Logo
9:25 am - 6:25 pmSEA-OTP
24h 00m2 stops
United Airlines Logo
5:55 am - 12:10 pmOTP-SEA
16h 15m1 stop
$517United Airlines
Find Deal
Sun, Oct 26 - Tue, Nov 11
Multiple Airlines Logo
10:05 am - 11:55 pmSEA-OTP
27h 50m2 stops
Multiple Airlines Logo
6:05 am - 10:06 pmOTP-SEA
26h 01m2 stops
$532Multiple Airlines
Find Deal
Wed, Dec 10 - Wed, Jan 14
Multiple Airlines Logo
10:05 am - 11:55 pmSEA-OTP
27h 50m2 stops
Multiple Airlines Logo
6:05 am - 7:16 pmOTP-SEA
23h 11m2 stops
$533Multiple Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 19
Delta Logo
1:40 pm - 12:05 pmSEA-OTP
36h 25m1 stop
Delta Logo
1:55 pm - 11:45 amOTP-SEA
31h 50m1 stop
$540Delta
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Tue, Nov 4 - Mon, Nov 17
Delta Logo
3:10 pm - 12:05 pmSEA-OTP
35h 55m1 stop
Delta Logo
1:55 pm - 11:45 amOTP-SEA
31h 50m1 stop
$541Delta
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Sun, Oct 26 - Tue, Nov 11
British Airways Logo
6:50 pm - 11:00 pmSEA-OTP
18h 10m1 stop
British Airways Logo
8:00 am - 4:55 pmOTP-SEA
18h 55m1 stop
$542British Airways
Find Deal
Mon, Nov 3 - Fri, Nov 14
Air Canada Logo
8:15 am - 3:50 pmSEA-OTP
22h 35m2 stops
Air Canada Logo
5:55 am - 10:16 pmOTP-SEA
26h 21m2 stops
$547Air Canada
Find Deal
Sun, Oct 26 - Tue, Nov 11
Air Canada Logo
8:00 pm - 2:05 pmSEA-OTP
33h 05m2 stops
Air Canada Logo
6:30 am - 10:06 pmOTP-SEA
25h 36m3 stops
$583Air Canada
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Sun, Oct 26 - Tue, Nov 11
British Airways Logo
5:45 pm - 2:45 pmPDX-OTP
35h 00m1 stop
British Airways Logo
8:05 am - 3:55 pmOTP-PDX
17h 50m1 stop
$588British Airways
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Mon, Nov 10 - Wed, Nov 26

Delta flights from State of Washington to Bucharest Otopeni Intl Airport

Our best Delta deals on State of Washington to Bucharest Otopeni Intl Airport flight tickets
Delta
Nov 4
SEA1:40 pmSeattle/Tacoma Intl
36h 25m
1 stop
OTP12:05 pmBucharest Otopeni Intl
Nov 17
OTP1:55 pmBucharest Otopeni Intl
31h 50m
1 stop
SEA11:45 amSeattle/Tacoma Intl
$540
Find similar
Delta
Oct 26
SEA3:10 pmSeattle/Tacoma Intl
35h 55m
1 stop
OTP12:05 pmBucharest Otopeni Intl
Nov 11
OTP1:55 pmBucharest Otopeni Intl
31h 50m
1 stop
SEA11:45 amSeattle/Tacoma Intl
$541
Find similar
Delta
Oct 28
SEA1:40 pmSeattle/Tacoma Intl
24h 10m
2 stops
OTP10:50 pmBucharest Otopeni Intl
Nov 6
OTP6:00 amBucharest Otopeni Intl
15h 45m
1 stop
SEA11:45 amSeattle/Tacoma Intl
$543
Find similar

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
Nov 3
SEA6:50 pmSeattle/Tacoma Intl
18h 10m
1 stop
OTP11:00 pmBucharest Otopeni Intl
Nov 14
OTP8:00 amBucharest Otopeni Intl
18h 55m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$542
Find similar
British Airways
Nov 10
PDX5:45 pmPortland
35h 00m
1 stop
OTP2:45 pmBucharest Otopeni Intl
Nov 26
OTP8:05 amBucharest Otopeni Intl
17h 50m
1 stop
PDX3:55 pmPortland
$588
Find similar
British Airways
Mar 27
SEA2:35 pmSeattle/Tacoma Intl
23h 50m
1 stop
OTP11:25 pmBucharest Otopeni Intl
Mar 31
OTP8:25 amBucharest Otopeni Intl
19h 55m
1 stop
SEA6:20 pmSeattle/Tacoma Intl
$638
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 September 29, 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

Wed 11/12

3:10 pm-6:35 pm

1 stop17h 25m

Bucharest Otopeni Intl

Wed 11/19

6:05 am-6:52 pm

2 stops22h 47m

$501

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 10/26

9:25 am-6:25 pm

2 stops24h 00m

Bucharest Otopeni Intl

Tue 11/11

5:55 am-12:10 pm

1 stop16h 15m

$517

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 12/10

10:05 am-11:55 pm

2 stops27h 50m

Bucharest Otopeni Intl

Wed 1/14

6:05 am-10:06 pm

2 stops26h 01m

$532

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 11/12

10:05 am-11:55 pm

2 stops27h 50m

Bucharest Otopeni Intl

Wed 11/19

6:05 am-7:16 pm

2 stops23h 11m

$533

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 11/4

1:40 pm-12:05 pm

1 stop36h 25m

Bucharest Otopeni Intl

Mon 11/17

1:55 pm-11:45 am

1 stop31h 50m

$540

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 10/26

3:10 pm-12:05 pm

1 stop35h 55m

Bucharest Otopeni Intl

Tue 11/11

1:55 pm-11:45 am

1 stop31h 50m

$541

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 11/3

6:50 pm-11:00 pm

1 stop18h 10m

Bucharest Otopeni Intl

Fri 11/14

8:00 am-4:55 pm

1 stop18h 55m

$542

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 10/26

8:15 am-3:50 pm

2 stops22h 35m

Bucharest Otopeni Intl

Tue 11/11

5:55 am-10:16 pm

2 stops26h 21m

$547

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 10/26

8:00 pm-2:05 pm

2 stops33h 05m

Bucharest Otopeni Intl

Tue 11/11

6:30 am-10:06 pm

3 stops25h 36m

$583

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 11/10

5:45 pm-2:45 pm

1 stop35h 00m

Bucharest Otopeni Intl

Wed 11/26

8:05 am-3:55 pm

1 stop17h 50m

$588

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 February instead. Flights to Bucharest Otopeni Intl Airport in February, while not as cheap as those in October, still average around $709.

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 $957 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 $618 on momondo.

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

You could potentially save up to 21% 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 $585Free CancellationRating
6.8
7,435 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $598Free CancellationRating
7.3
3,980 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $624Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
DeltaPriceFrom $684Free CancellationRating
7.9
7,964 reviews
Search Delta flights
Air FrancePriceFrom $699Free CancellationRating
7.4
1,468 reviews
Search Air France flights
KLMPriceFrom $705Free CancellationRating
7.8
1,390 reviews
Search KLM 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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