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Cheap flights from Seattle to Bucharest from $292

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Bucharest departing on 2/5. 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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Find the cheapest flights from Seattle to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
2:00 pm - 2:10 pmSEA-OTP
14h 10m1 stop
Lufthansa Logo
6:05 am - 1:20 pmOTP-SEA
17h 15m1 stop
$495Lufthansa
Find Deal
Fri, Jan 9 - Fri, Jan 16
Multiple Airlines Logo
2:00 pm - 2:10 pmSEA-OTP
14h 10m1 stop
Multiple Airlines Logo
6:55 am - 8:57 pmOTP-SEA
24h 02m2 stops
$500Multiple Airlines
Find Deal
Fri, Jan 9 - Fri, Jan 16
British Airways Logo
6:50 pm - 3:30 pmSEA-OTP
34h 40m1 stop
British Airways Logo
4:00 pm - 4:55 pmOTP-SEA
34h 55m1 stop
$501British Airways
Find Deal
Sun, Jan 11 - Mon, Jan 19
Delta Logo
2:15 pm - 10:50 pmSEA-OTP
22h 35m1 stop
Delta Logo
6:00 am - 11:40 amOTP-SEA
15h 40m1 stop
$503Delta
Find Deal
Sun, Feb 15 - Tue, Feb 24
Delta Logo
2:00 pm - 10:50 pmSEA-OTP
22h 50m2 stops
Delta Logo
1:55 pm - 11:40 amOTP-SEA
31h 45m1 stop
$505Delta
Find Deal
Tue, Feb 17 - Mon, Feb 23
British Airways Logo
6:50 pm - 8:00 pmSEA-OTP
15h 10m1 stop
British Airways Logo
3:50 pm - 4:55 pmOTP-SEA
35h 05m1 stop
$506British Airways
Find Deal
Wed, Feb 11 - Wed, Feb 18
British Airways Logo
6:50 pm - 8:00 pmSEA-OTP
15h 10m1 stop
British Airways Logo
8:05 am - 4:55 pmOTP-SEA
18h 50m1 stop
$507British Airways
Find Deal
Wed, Feb 11 - Wed, Feb 18
Delta Logo
9:55 pm - 12:05 pmSEA-OTP
28h 10m2 stops
Delta Logo
1:55 pm - 11:40 amOTP-SEA
31h 45m1 stop
$508Delta
Find Deal
Mon, Feb 16 - Mon, Feb 23
Delta Logo
7:10 am - 1:00 pmSEA-OTP
19h 50m2 stops
Delta Logo
6:00 am - 11:40 amOTP-SEA
15h 40m1 stop
$510Delta
Find Deal
Wed, Feb 11 - Thu, Feb 19
Delta Logo
7:10 am - 1:00 pmSEA-OTP
19h 50m2 stops
Delta Logo
1:55 pm - 11:40 amOTP-SEA
31h 45m1 stop
$511Delta
Find Deal
Wed, Feb 11 - Wed, Feb 18

British Airways flights from Seattle to Bucharest

Our best British Airways deals on Seattle to Bucharest flight tickets
British Airways
Jan 11
SEA6:50 pmSeattle/Tacoma Intl
34h 40m
1 stop
OTP3:30 pmBucharest Otopeni Intl
Jan 19
OTP4:00 pmBucharest Otopeni Intl
34h 55m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$501
Find similar
British Airways
Feb 11
SEA6:50 pmSeattle/Tacoma Intl
15h 10m
1 stop
OTP8:00 pmBucharest Otopeni Intl
Feb 18
OTP3:50 pmBucharest Otopeni Intl
35h 05m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$506
Find similar
British Airways
Feb 11
SEA6:50 pmSeattle/Tacoma Intl
15h 10m
1 stop
OTP8:00 pmBucharest Otopeni Intl
Feb 18
OTP8:05 amBucharest Otopeni Intl
18h 50m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$507
Find similar

Delta flights from Seattle to Bucharest

Our best Delta deals on Seattle to Bucharest flight tickets
Delta
Feb 15
SEA2:15 pmSeattle/Tacoma Intl
22h 35m
1 stop
OTP10:50 pmBucharest Otopeni Intl
Feb 24
OTP6:00 amBucharest Otopeni Intl
15h 40m
1 stop
SEA11:40 amSeattle/Tacoma Intl
$503
Find similar
Delta
Feb 17
SEA2:00 pmSeattle/Tacoma Intl
22h 50m
2 stops
OTP10:50 pmBucharest Otopeni Intl
Feb 23
OTP1:55 pmBucharest Otopeni Intl
31h 45m
1 stop
SEA11:40 amSeattle/Tacoma Intl
$505
Find similar
Delta
Feb 16
SEA9:55 pmSeattle/Tacoma Intl
28h 10m
2 stops
OTP12:05 pmBucharest Otopeni Intl
Feb 23
OTP1:55 pmBucharest Otopeni Intl
31h 45m
1 stop
SEA11:40 amSeattle/Tacoma Intl
$508
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Bucharest 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 26, 2025.
Use the filters below to find and compare flights from Seattle to Bucharest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Fri 1/9

2:00 pm-2:10 pm

1 stop14h 10m

Bucharest Otopeni Intl

Fri 1/16

6:05 am-1:20 pm

1 stop17h 15m

$495

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Fri 1/9

2:00 pm-2:10 pm

1 stop14h 10m

Bucharest Otopeni Intl

Fri 1/16

6:55 am-8:57 pm

2 stops24h 02m

$500

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 1/11

6:50 pm-3:30 pm

1 stop34h 40m

Bucharest Otopeni Intl

Mon 1/19

4:00 pm-4:55 pm

1 stop34h 55m

$501

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 2/15

2:15 pm-10:50 pm

1 stop22h 35m

Bucharest Otopeni Intl

Tue 2/24

6:00 am-11:40 am

1 stop15h 40m

$503

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 2/17

2:00 pm-10:50 pm

2 stops22h 50m

Bucharest Otopeni Intl

Mon 2/23

1:55 pm-11:40 am

1 stop31h 45m

$505

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 2/11

6:50 pm-8:00 pm

1 stop15h 10m

Bucharest Otopeni Intl

Wed 2/18

3:50 pm-4:55 pm

1 stop35h 05m

$506

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 2/11

6:50 pm-8:00 pm

1 stop15h 10m

Bucharest Otopeni Intl

Wed 2/18

8:05 am-4:55 pm

1 stop18h 50m

$507

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 2/16

9:55 pm-12:05 pm

2 stops28h 10m

Bucharest Otopeni Intl

Mon 2/23

1:55 pm-11:40 am

1 stop31h 45m

$508

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 2/11

7:10 am-1:00 pm

2 stops19h 50m

Bucharest Otopeni Intl

Thu 2/19

6:00 am-11:40 am

1 stop15h 40m

$510

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 2/11

7:10 am-1:00 pm

2 stops19h 50m

Bucharest Otopeni Intl

Wed 2/18

1:55 pm-11:40 am

1 stop31h 45m

$511

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 Seattle to Bucharest

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 typical price of a round-trip flight between Seattle and Bucharest?

What is the cheapest month to fly to Bucharest?

In general, November is the cheapest month to fly from Seattle to Bucharest. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $605. If you aren’t able to travel to Bucharest during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $685.

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

Our data shows that Tuesday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $963. The most expensive day to fly to Bucharest is Saturday, with ticket prices averaging around $1,512.

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

According to our data, the cheapest time of day to fly to Bucharest is in the evening. momondo users have found flights departing from Seattle to Bucharest in the evening for as low as $792. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Bucharest is at noon when prices are around $1,144.

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

You are more likely to see cheaper flights to Bucharest from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest for around $956 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest from Seattle for as low as $617 on momondo.

Can stopping save me money on Seattle to Bucharest flights?

You could potentially save up to 53% on your flight if you consider stops on a Seattle to Bucharest flight.

How have Seattle to Bucharest flight prices changed over time?

As of November 2025, prices for Seattle to Bucharest flights are approximately 2% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Bucharest

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Bucharest according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Bucharest (SEA to BUH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Bucharest

Fastest flight time

15h 30m

Direct flights

None
The fastest flight from Seattle to Bucharest takes 15h 30m
There are no direct flights from Seattle to Bucharest. There are no popular flight routes from Seattle to Bucharest.
Search flight deals

  • How far is Seattle/Tacoma Intl to Bucharest by plane?

    Seattle/Tacoma Intl and Bucharest are 5790.4 mi apart from one another. Flights usually cover this in 14h 10m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Bucharest?

    Prices for flights from Seattle/Tacoma Intl Airport to Bucharest refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Bucharest?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Bucharest?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Bucharest.

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

    The necessary travel and health documents for your Bucharest trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Bucharest?

Best airlines flying from Seattle to Bucharest

Compare and see reviews for airlines that fly from Seattle to Bucharest with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $553Free CancellationRating
6.7
7,539 reviews
Search British Airways flights
LufthansaPriceFrom $581Free CancellationRating
6.8
7,594 reviews
Search Lufthansa flights
United AirlinesPriceFrom $585Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $591Free CancellationRating
7.3
4,059 reviews
Search Turkish Airlines flights
KLMPriceFrom $656Free CancellationRating
7.7
1,422 reviews
Search KLM flights
DeltaPriceFrom $772Free CancellationRating
7.9
7,998 reviews
Search Delta flights

Traveling to a place near Bucharest?

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

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Bucharest from Seattle which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Seattle 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 Seattle to Bucharest right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Bucharest, momondo offers a useful price alert feature which will track prices for flights to Bucharest from Seattle and alert you when they change.

An easier way to manage your Bucharest trip

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Find better results for your trip to Romania

Fly into one of these airports located in Bucharest

Airports listed have a maximum distance of 9.6 mi from Bucharest
Bucharest Otopeni Intl Airport