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Cheap flights from Seattle to Bucharest from $532

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Bucharest departing on 3/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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
4:10 pm - 6:35 pm
SEA
-
OTP
17h 25m
1 stop
Lufthansa Logo
5:50 am - 1:10 pm
OTP
-
SEA
16h 20m
1 stop
$532Lufthansa
Sun, Mar 8 - Thu, Mar 19
British Airways Logo
6:50 pm - 2:55 pm
SEA
-
OTP
34h 05m
1 stop
British Airways Logo
8:00 am - 5:55 pm
OTP
-
SEA
18h 55m
1 stop
$535British Airways
Sat, Feb 28 - Tue, Mar 17
Delta Logo
2:10 pm - 10:50 pm
SEA
-
OTP
22h 40m
1 stop
Delta Logo
1:55 pm - 12:35 pm
OTP
-
SEA
31h 40m
1 stop
$536Delta
Sun, Mar 1 - Thu, Mar 12
Delta Logo
2:00 pm - 10:50 pm
SEA
-
OTP
22h 50m
2 stops
Delta Logo
1:55 pm - 12:35 pm
OTP
-
SEA
31h 40m
1 stop
$541Delta
Thu, Feb 26 - Sun, Mar 15
Delta Logo
3:05 pm - 1:00 pm
SEA
-
OTP
35h 55m
1 stop
Delta Logo
1:55 pm - 12:35 pm
OTP
-
SEA
31h 40m
1 stop
$542Delta
Thu, Feb 26 - Thu, Mar 12
Lufthansa Logo
3:10 pm - 1:05 am
SEA
-
OTP
23h 55m
1 stop
Lufthansa Logo
5:55 am - 1:10 pm
OTP
-
SEA
16h 15m
1 stop
$543Lufthansa
Wed, Mar 4 - Fri, Mar 13
Multiple Airlines Logo
7:20 am - 2:55 pm
SEA
-
OTP
22h 35m
2 stops
Multiple Airlines Logo
8:00 am - 5:55 pm
OTP
-
SEA
18h 55m
1 stop
$545Multiple Airlines
Sun, Mar 8 - Thu, Mar 19
British Airways Logo
8:20 pm - 12:20 am
SEA
-
OTP
18h 00m
1 stop
British Airways Logo
8:15 am - 11:35 am
OTP
-
SEA
37h 20m
1 stop
$547British Airways
Wed, Apr 29 - Mon, Jun 1
Lufthansa Logo
6:50 pm - 1:10 am
SEA
-
OTP
20h 20m
1 stop
Lufthansa Logo
6:05 am - 12:20 pm
OTP
-
SEA
16h 15m
1 stop
$548Lufthansa
Sun, May 3 - Thu, Jun 4
Lufthansa Logo
6:50 pm - 6:35 pm
SEA
-
OTP
13h 45m
1 stop
Lufthansa Logo
6:05 am - 12:20 pm
OTP
-
SEA
16h 15m
1 stop
$549Lufthansa
Wed, May 13 - Thu, Jun 4

British Airways flights from Seattle to Bucharest

Our best British Airways deals on Seattle to Bucharest flight tickets
British Airways
Feb 28
SEA6:50 pmSeattle/Tacoma Intl
34h 05m
1 stop
OTP2:55 pmBucharest Otopeni Intl
Mar 17
OTP8:00 amBucharest Otopeni Intl
18h 55m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
$535
British Airways
Apr 29
SEA8:20 pmSeattle/Tacoma Intl
18h 00m
1 stop
OTP12:20 amBucharest Otopeni Intl
Jun 1
OTP8:15 amBucharest Otopeni Intl
37h 20m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$547
British Airways
Mar 4
SEA6:50 pmSeattle/Tacoma Intl
18h 40m
1 stop
OTP11:30 pmBucharest Otopeni Intl
Mar 18
OTP3:50 pmBucharest Otopeni Intl
35h 05m
1 stop
SEA5:55 pmSeattle/Tacoma Intl
$563

Delta flights from Seattle to Bucharest

Our best Delta deals on Seattle to Bucharest flight tickets
Delta
Mar 1
SEA2:10 pmSeattle/Tacoma Intl
22h 40m
1 stop
OTP10:50 pmBucharest Otopeni Intl
Mar 12
OTP1:55 pmBucharest Otopeni Intl
31h 40m
1 stop
SEA12:35 pmSeattle/Tacoma Intl
$536
Delta
Feb 26
SEA2:00 pmSeattle/Tacoma Intl
22h 50m
2 stops
OTP10:50 pmBucharest Otopeni Intl
Mar 15
OTP1:55 pmBucharest Otopeni Intl
31h 40m
1 stop
SEA12:35 pmSeattle/Tacoma Intl
$541
Delta
Feb 26
SEA3:05 pmSeattle/Tacoma Intl
35h 55m
1 stop
OTP1:00 pmBucharest Otopeni Intl
Mar 12
OTP1:55 pmBucharest Otopeni Intl
31h 40m
1 stop
SEA12:35 pmSeattle/Tacoma Intl
$542

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 January 28, 2026.
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

Sun 3/8

4:10 pm-6:35 pm

1 stop17h 25m

Bucharest Otopeni Intl

Thu 3/19

5:50 am-1:10 pm

1 stop16h 20m

$532

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 2/28

6:50 pm-2:55 pm

1 stop34h 05m

Bucharest Otopeni Intl

Tue 3/17

8:00 am-5:55 pm

1 stop18h 55m

$535

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 3/1

2:10 pm-10:50 pm

1 stop22h 40m

Bucharest Otopeni Intl

Thu 3/12

1:55 pm-12:35 pm

1 stop31h 40m

$536

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Thu 2/26

2:00 pm-10:50 pm

2 stops22h 50m

Bucharest Otopeni Intl

Sun 3/15

1:55 pm-12:35 pm

1 stop31h 40m

$541

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Thu 2/26

3:05 pm-1:00 pm

1 stop35h 55m

Bucharest Otopeni Intl

Thu 3/12

1:55 pm-12:35 pm

1 stop31h 40m

$542

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 3/4

3:10 pm-1:05 am

1 stop23h 55m

Bucharest Otopeni Intl

Fri 3/13

5:55 am-1:10 pm

1 stop16h 15m

$543

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 3/8

7:20 am-2:55 pm

2 stops22h 35m

Bucharest Otopeni Intl

Thu 3/19

8:00 am-5:55 pm

1 stop18h 55m

$545

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 4/29

8:20 pm-12:20 am

1 stop18h 00m

Bucharest Otopeni Intl

Mon 6/1

8:15 am-11:35 am

1 stop37h 20m

$547

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 5/3

6:50 pm-1:10 am

1 stop20h 20m

Bucharest Otopeni Intl

Thu 6/4

6:05 am-12:20 pm

1 stop16h 15m

$548

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 5/13

6:50 pm-6:35 pm

1 stop13h 45m

Bucharest Otopeni Intl

Thu 6/4

6:05 am-12:20 pm

1 stop16h 15m

$549

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 cheapest month to fly to Bucharest?

In general, January 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 $540. If you aren’t able to travel to Bucharest during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $605.

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 $825 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 $584 on momondo.

Can stopping save me money on Seattle to Bucharest flights?

You could potentially save up to 37% 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 January 2026, prices for Seattle to Bucharest flights are approximately 6% 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

13h 45m

Direct flights

None
The fastest flight from Seattle to Bucharest takes 13h 45m
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 13h 45m, 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 $539Free CancellationRating
6.7
7,705 reviews
Search British Airways flights
KLMPriceFrom $552Free CancellationRating
7.7
1,443 reviews
Search KLM flights
LufthansaPriceFrom $565Free CancellationRating
6.8
7,752 reviews
Search Lufthansa flights
United AirlinesPriceFrom $585Free CancellationRating
7.4
9,213 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $587Free CancellationRating
7.3
4,207 reviews
Search Turkish Airlines flights
Air FrancePriceFrom $699Free CancellationRating
7.4
1,528 reviews
Search Air France flights
DeltaPriceFrom $772Free CancellationRating
7.9
8,124 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