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Cheap flights from Seattle to Bucharest from $258

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
7:45 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
$600British Airways
Wed, Oct 28 - Wed, Nov 4
British Airways Logo
8:20 pm - 12:50 amSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
18h 30m1 stop London Heathrow
British Airways Logo
4:00 pm - 11:25 amOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
29h 25m1 stop London Heathrow
$604British Airways
Sun, Oct 18 - Mon, Nov 2
British Airways Logo
6:45 pm - 12:05 amSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
19h 20m1 stop London Heathrow
British Airways Logo
4:00 pm - 11:25 amOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
29h 25m1 stop London Heathrow
$604British Airways
Mon, Nov 2 - Mon, Nov 9
American Airlines Logo
10:31 am - 3:30 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
19h 59m2 stops Chicago O'Hare Intl London Heathrow
American Airlines Logo
8:25 am - 10:34 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
24h 09m2 stops London Heathrow Charlotte Douglas
$619American Airlines
Mon, Oct 26 - Wed, Nov 11
Multiple Airlines Logo
3:50 pm - 6:30 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
17h 40m1 stop Munich Franz Josef Strauss
Multiple Airlines Logo
6:55 am - 8:59 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
24h 04m2 stops Vienna Intl Toronto Pearson Intl
$629Multiple Airlines
Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
10:31 am - 2:35 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
18h 04m2 stops Chicago O'Hare Intl London Heathrow
Multiple Airlines Logo
8:15 am - 8:28 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
22h 13m2 stops London Heathrow Chicago O'Hare Intl
$636Multiple Airlines
Wed, Oct 14 - Tue, Oct 20
Lufthansa Logo
2:50 pm - 6:30 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
17h 40m1 stop Munich Franz Josef Strauss
Lufthansa Logo
7:15 pm - 12:14 amOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
38h 59m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$665Lufthansa
Wed, Feb 10 - Mon, Feb 22
Lufthansa Logo
2:50 pm - 6:30 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
17h 40m1 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
$670Lufthansa
Wed, Nov 4 - Sun, Nov 8
Turkish Airlines Logo
7:15 pm - 8:15 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
15h 00m1 stop Istanbul
Turkish Airlines Logo
9:30 am - 5:20 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
17h 50m1 stop Istanbul
$740Turkish Airlines
Tue, Oct 13 - Tue, Oct 20
Turkish Airlines Logo
7:05 pm - 2:15 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
33h 10m1 stop Istanbul
Turkish Airlines Logo
9:35 pm - 5:10 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
29h 35m1 stop Istanbul
$800Turkish Airlines
Mon, Nov 9 - Sat, Nov 14

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Austrian Airlines flights from Seattle to Bucharest

Our best Austrian Airlines deals on Seattle to Bucharest flight tickets
Austrian Airlines
Feb 10
SEA8:00 amSeattle/Tacoma Intl
29h 50m
2 stops
OTP11:50 pmBucharest Otopeni Intl
Feb 22
OTP7:10 pmBucharest Otopeni Intl
35h 00m
2 stops
SEA8:10 pmSeattle/Tacoma Intl
$640
Austrian Airlines
Oct 14
SEA8:25 amSeattle/Tacoma Intl
23h 40m
2 stops
OTP6:05 pmBucharest Otopeni Intl
Oct 28
OTP6:55 amBucharest Otopeni Intl
25h 22m
2 stops
SEA11:17 pmSeattle/Tacoma Intl
$652

United Airlines flights from Seattle to Bucharest

Our best United Airlines deals on Seattle to Bucharest flight tickets
United Airlines
Nov 2
SEA5:05 amSeattle/Tacoma Intl
33h 55m
2 stops
OTP1:00 amBucharest Otopeni Intl
Nov 9
OTP7:10 pmBucharest Otopeni Intl
35h 46m
2 stops
SEA8:56 pmSeattle/Tacoma Intl
$647
United Airlines
Feb 10
SEA8:00 amSeattle/Tacoma Intl
18h 30m
2 stops
OTP12:30 pmBucharest Otopeni Intl
Feb 22
OTP7:10 pmBucharest Otopeni Intl
36h 46m
3 stops
SEA9:56 pmSeattle/Tacoma Intl
$655
United Airlines
Nov 2
SEA1:50 pmSeattle/Tacoma Intl
14h 05m
1 stop
OTP1:55 pmBucharest Otopeni Intl
Nov 9
OTP7:10 pmBucharest Otopeni Intl
35h 46m
2 stops
SEA8:56 pmSeattle/Tacoma Intl
$664

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest round-trip

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Wed 10/28

7:45 pm-12:05 am

1 stop19h 20m

Bucharest Otopeni Intl

Wed 11/4

8:25 am-4:50 pm

1 stop18h 25m

$600

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Sun 10/18

8:20 pm-12:50 am

1 stop18h 30m

Bucharest Otopeni Intl

Mon 11/2

4:00 pm-11:25 am

1 stop29h 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 11/9

4:00 pm-11:25 am

1 stop29h 25m

$604

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Mon 10/26

10:31 am-3:30 pm

2 stops19h 59m

Bucharest Otopeni Intl

Wed 11/11

8:25 am-10:34 pm

2 stops24h 09m

$619

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Wed 10/28

3:50 pm-6:30 pm

1 stop17h 40m

Bucharest Otopeni Intl

Wed 11/4

6:55 am-8:59 pm

2 stops24h 04m

$629

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Wed 10/14

10:31 am-2:35 pm

2 stops18h 04m

Bucharest Otopeni Intl

Tue 10/20

8:15 am-8:28 pm

2 stops22h 13m

$636

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Wed 2/10

2:50 pm-6:30 pm

1 stop17h 40m

Bucharest Otopeni Intl

Mon 2/22

7:15 pm-12:14 am

2 stops38h 59m

$665

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Wed 11/4

2:50 pm-6:30 pm

1 stop17h 40m

Bucharest Otopeni Intl

Sun 11/8

6:00 am-1:00 pm

1 stop17h 00m

$670
Quickest round-trip

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Tue 10/13

7:15 pm-8:15 pm

1 stop15h 00m

Bucharest Otopeni Intl

Tue 10/20

9:30 am-5:20 pm

1 stop17h 50m

$740

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Mon 11/9

7:05 pm-2:15 pm

1 stop33h 10m

Bucharest Otopeni Intl

Sat 11/14

9:35 pm-5:10 pm

1 stop29h 35m

$800

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 $630 to $984.
The lowest price recently found on this route was $600.

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

$258

Fastest flight time

17h 50m

Direct flights

None
The best one-way flight to Bucharest from Seattle in the past 72 hours is $258. The best round-trip flight deal from Seattle to Bucharest found on momondo in the last 72 hours is $600.
The fastest flight from Seattle to Bucharest takes 17h 50m
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 17h 50m, 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
8,229 reviews
Search British Airways flights
LufthansaPriceFrom $548Free CancellationRating
6.8
8,236 reviews
Search Lufthansa flights
KLMPriceFrom $584Free CancellationRating
7.8
1,577 reviews
Search KLM flights
Turkish AirlinesPriceFrom $630Free CancellationRating
7.4
4,463 reviews
Search Turkish Airlines 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.

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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