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Cheap flights from Seattle to Bucharest from $326

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:45 pm - 12:05 amSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
19h 20m1 stop London Heathrow
British Airways Logo
8:25 am - 4:50 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
18h 25m1 stop London Heathrow
$603British Airways
Sun, Nov 8 - Wed, Nov 25
British Airways Logo
6:45 pm - 12:05 amSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
19h 20m1 stop London Heathrow
British Airways Logo
8:25 am - 11:25 amOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
37h 00m1 stop London Heathrow
$603British Airways
Mon, Nov 2 - Mon, Nov 16
British Airways Logo
7:45 pm - 12:05 amSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
19h 20m1 stop London Heathrow
British Airways Logo
8:25 am - 11:25 amOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
37h 00m1 stop London Heathrow
$603British Airways
Mon, Oct 26 - Wed, Nov 11
American Airlines Logo
1:30 pm - 1:20 amSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
25h 50m1 stop London Heathrow
American Airlines Logo
8:25 am - 4:50 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
18h 25m1 stop London Heathrow
$604American Airlines
Mon, Oct 19 - Wed, Nov 4
American Airlines Logo
6:45 pm - 12:05 amSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
19h 20m1 stop London Heathrow
American Airlines Logo
8:25 am - 11:25 amOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
37h 00m1 stop London Heathrow
$605American Airlines
Mon, Nov 2 - Mon, Nov 16
American Airlines Logo
10:43 am - 3:30 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
18h 47m2 stops Chicago O'Hare Intl London Heathrow
American Airlines Logo
8:25 am - 11:25 amOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
37h 00m1 stop London Heathrow
$605American Airlines
Mon, Nov 2 - Mon, Nov 16
Lufthansa Logo
6:50 pm - 6:35 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
13h 45m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:00 am - 1:00 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
17h 00m1 stop Munich Franz Josef Strauss
$622Lufthansa
Wed, Oct 21 - Wed, Nov 11
Lufthansa Logo
6:50 pm - 1:10 amSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
20h 20m1 stop Munich Franz Josef Strauss
Lufthansa Logo
7:15 pm - 2:00 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
27h 45m1 stop Munich Franz Josef Strauss
$648Lufthansa
Tue, Oct 20 - Tue, Oct 27
Turkish Airlines Logo
7:15 pm - 8:10 amSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
26h 55m1 stop Istanbul
Turkish Airlines Logo
3:35 pm - 5:10 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
35h 35m1 stop Istanbul
$679Turkish Airlines
Thu, Oct 22 - Wed, Nov 11
Turkish Airlines Logo
7:15 pm - 2:35 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
33h 20m1 stop Istanbul
Turkish Airlines Logo
3:35 pm - 7:10 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
36h 35m1 stop Istanbul
$739Turkish Airlines
Sun, Oct 11 - Sat, Oct 31

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American Airlines flights from Seattle to Bucharest

Our best American Airlines deals on Seattle to Bucharest flight tickets
American Airlines
Oct 19
SEA1:30 pmSeattle/Tacoma Intl
25h 50m
1 stop
OTP1:20 amBucharest Otopeni Intl
Nov 4
OTP8:25 amBucharest Otopeni Intl
18h 25m
1 stop
SEA4:50 pmSeattle/Tacoma Intl
$604
American Airlines
Nov 2
SEA6:45 pmSeattle/Tacoma Intl
19h 20m
1 stop
OTP12:05 amBucharest Otopeni Intl
Nov 16
OTP8:25 amBucharest Otopeni Intl
37h 00m
1 stop
SEA11:25 amSeattle/Tacoma Intl
$605
American Airlines
Oct 19
SEA8:20 pmSeattle/Tacoma Intl
33h 05m
1 stop
OTP3:25 pmBucharest Otopeni Intl
Nov 4
OTP8:25 amBucharest Otopeni Intl
21h 55m
2 stops
SEA8:20 pmSeattle/Tacoma Intl
$610

Lufthansa flights from Seattle to Bucharest

Our best Lufthansa deals on Seattle to Bucharest flight tickets
Lufthansa
Oct 21
SEA6:50 pmSeattle/Tacoma Intl
13h 45m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Nov 11
OTP6:00 amBucharest Otopeni Intl
17h 00m
1 stop
SEA1:00 pmSeattle/Tacoma Intl
$622
Lufthansa
Oct 20
SEA6:50 pmSeattle/Tacoma Intl
20h 20m
1 stop
OTP1:10 amBucharest Otopeni Intl
Oct 27
OTP7:15 pmBucharest Otopeni Intl
27h 45m
1 stop
SEA2:00 pmSeattle/Tacoma Intl
$648
Lufthansa
Nov 16
SEA1:50 pmSeattle/Tacoma Intl
14h 05m
1 stop
OTP1:55 pmBucharest Otopeni Intl
Apr 22
OTP12:45 pmBucharest Otopeni Intl
14h 14m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$652

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Bucharest that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Sun 11/8

6:45 pm-12:05 am

1 stop19h 20m

Bucharest Otopeni Intl

Wed 11/25

8:25 am-4:50 pm

1 stop18h 25m

$603

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Mon 11/2

6:45 pm-12:05 am

1 stop19h 20m

Bucharest Otopeni Intl

Mon 11/16

8:25 am-11:25 am

1 stop37h 00m

$603

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Mon 10/26

7:45 pm-12:05 am

1 stop19h 20m

Bucharest Otopeni Intl

Wed 11/11

8:25 am-11:25 am

1 stop37h 00m

$603

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Mon 10/19

1:30 pm-1:20 am

1 stop25h 50m

Bucharest Otopeni Intl

Wed 11/4

8:25 am-4:50 pm

1 stop18h 25m

$604

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Mon 11/2

6:45 pm-12:05 am

1 stop19h 20m

Bucharest Otopeni Intl

Mon 11/16

8:25 am-11:25 am

1 stop37h 00m

$605

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Mon 11/2

10:43 am-3:30 pm

2 stops18h 47m

Bucharest Otopeni Intl

Mon 11/16

8:25 am-11:25 am

1 stop37h 00m

$605
Quickest round-trip

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Wed 10/21

6:50 pm-6:35 pm

1 stop13h 45m

Bucharest Otopeni Intl

Wed 11/11

6:00 am-1:00 pm

1 stop17h 00m

$622

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Tue 10/20

6:50 pm-1:10 am

1 stop20h 20m

Bucharest Otopeni Intl

Tue 10/27

7:15 pm-2:00 pm

1 stop27h 45m

$648

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Thu 10/22

7:15 pm-8:10 am

1 stop26h 55m

Bucharest Otopeni Intl

Wed 11/11

3:35 pm-5:10 pm

1 stop35h 35m

$679

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Sun 10/11

7:15 pm-2:35 pm

1 stop33h 20m

Bucharest Otopeni Intl

Sat 10/31

3:35 pm-7:10 pm

1 stop36h 35m

$739

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?

Prices are currently low for flights on this route.

Typical prices usually range from $766 to $1,074.
The lowest price recently found on this route was $603.

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 $539. 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 $594.

Can stopping save me money on Seattle to Bucharest flights?

You could potentially save up to 29% 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 September 2026, prices for Seattle to Bucharest flights are approximately 26% cheaper 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

Best Price Found

$326

Fastest flight time

13h 45m

Direct flights

None
The best one-way flight to Bucharest from Seattle in the past 72 hours is $326. The best round-trip flight deal from Seattle to Bucharest found on momondo in the last 72 hours is $603.
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

Frequently asked questions about flying from Seattle to Bucharest

  • 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
8,226 reviews
Search British Airways flights
LufthansaPriceFrom $548Free CancellationRating
6.8
8,234 reviews
Search Lufthansa flights
KLMPriceFrom $584Free CancellationRating
7.8
1,575 reviews
Search KLM flights
Turkish AirlinesPriceFrom $630Free CancellationRating
7.4
4,464 reviews
Search Turkish Airlines flights
Air FrancePriceFrom $762Free CancellationRating
7.5
1,651 reviews
Search Air France 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

Bucharest Otopeni Intl Airport