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Cheap flights from Seattle to Bucharest from $319

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.
Turkish Airlines Logo
7:05 pm - 8:40 amSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
27h 35m1 stop Istanbul
Turkish Airlines Logo
10:00 am - 5:10 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
17h 10m1 stop Istanbul
$691Turkish Airlines
Mon, Dec 7 - Mon, Dec 14
Turkish Airlines Logo
7:05 pm - 8:15 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
15h 10m1 stop Istanbul
Turkish Airlines Logo
10:10 am - 5:10 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
17h 00m1 stop Istanbul
$691Turkish Airlines
Mon, Nov 16 - Mon, Nov 23
Multiple Airlines Logo
7:45 am - 12:35 amSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
30h 50m2 stops Toronto Pearson Intl Kastrup Copenhagen
Multiple Airlines Logo
6:45 pm - 12:00 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
27h 15m2 stops Kastrup Copenhagen Frankfurt am Main
$698Multiple Airlines
Sat, Dec 5 - Fri, Dec 11
Multiple Airlines Logo
2:50 pm - 6:30 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
17h 40m1 stop Munich Franz Josef Strauss
Multiple Airlines Logo
6:00 am - 6:22 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
22h 22m2 stops Frankfurt am Main Vancouver Intl
$700Multiple Airlines
Sun, Feb 14 - Tue, Feb 23
Lufthansa Logo
6:50 pm - 6:30 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
13h 40m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:05 am - 12:20 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
16h 15m1 stop Frankfurt am Main
$713Lufthansa
Wed, Apr 14 - Fri, May 7
Lufthansa Logo
6:50 pm - 6:30 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
13h 40m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:05 am - 2:15 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
18h 10m2 stops Frankfurt am Main Vancouver Intl
$715Lufthansa
Wed, Apr 14 - Fri, May 7
British Airways Logo
6:45 pm - 3:05 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
34h 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
$729British Airways
Mon, Feb 1 - Fri, Feb 5
British Airways Logo
6:45 pm - 3:05 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
34h 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
$740British Airways
Mon, Feb 1 - Fri, Feb 5
KLM Logo
11:00 am - 3:25 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
18h 25m2 stops Salt Lake City Amsterdam Schiphol
KLM Logo
6:00 am - 11:47 amOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
15h 47m1 stop Amsterdam Schiphol
$777KLM
Fri, Feb 5 - Thu, Feb 18
KLM Logo
11:25 am - 3:25 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
18h 00m2 stops Salt Lake City Amsterdam Schiphol
KLM Logo
6:00 am - 11:47 amOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
15h 47m1 stop Amsterdam Schiphol
$777KLM
Fri, Feb 5 - Thu, Feb 18

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Delta flights from Seattle to Bucharest

Our best Delta deals on Seattle to Bucharest flight tickets
Delta
Mar 29
SEA12:00 pmSeattle/Tacoma Intl
19h 20m
2 stops
OTP5:20 pmBucharest Otopeni Intl
Apr 15
OTP7:05 amBucharest Otopeni Intl
19h 15m
1 stop
SEA4:20 pmSeattle/Tacoma Intl
$739
Delta
Jan 29
SEA6:00 amSeattle/Tacoma Intl
22h 10m
2 stops
OTP2:10 pmBucharest Otopeni Intl
Feb 3
OTP6:00 amBucharest Otopeni Intl
23h 23m
2 stops
SEA7:23 pmSeattle/Tacoma Intl
$783
Delta
Nov 8
SEA3:25 pmSeattle/Tacoma Intl
21h 50m
1 stop
OTP11:15 pmBucharest Otopeni Intl
Nov 17
OTP2:00 pmBucharest Otopeni Intl
31h 47m
1 stop
SEA11:47 amSeattle/Tacoma Intl
$958

British Airways flights from Seattle to Bucharest

Our best British Airways deals on Seattle to Bucharest flight tickets
British Airways
Feb 1
SEA6:45 pmSeattle/Tacoma Intl
34h 20m
1 stop
OTP3:05 pmBucharest Otopeni Intl
Feb 5
OTP8:25 amBucharest Otopeni Intl
18h 25m
1 stop
SEA4:50 pmSeattle/Tacoma Intl
$740
British Airways
Jan 29
SEA10:17 amSeattle/Tacoma Intl
27h 48m
2 stops
OTP12:05 amBucharest Otopeni Intl
Feb 3
OTP8:25 amBucharest Otopeni Intl
37h 00m
1 stop
SEA11:25 amSeattle/Tacoma Intl
$784
British Airways
Nov 8
SEA6:45 pmSeattle/Tacoma Intl
19h 20m
1 stop
OTP12:05 amBucharest Otopeni Intl
Nov 18
OTP8:25 amBucharest Otopeni Intl
18h 25m
1 stop
SEA4:50 pmSeattle/Tacoma Intl
$943

momondo Fare Finder

 
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

Cheapest round-trip

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Mon 12/7

7:05 pm-8:40 am

1 stop27h 35m

Bucharest Otopeni Intl

Mon 12/14

10:00 am-5:10 pm

1 stop17h 10m

$691

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Mon 11/16

7:05 pm-8:15 pm

1 stop15h 10m

Bucharest Otopeni Intl

Mon 11/23

10:10 am-5:10 pm

1 stop17h 00m

$691

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Sat 12/5

7:45 am-12:35 am

2 stops30h 50m

Bucharest Otopeni Intl

Fri 12/11

6:45 pm-12:00 pm

2 stops27h 15m

$698

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Sun 2/14

2:50 pm-6:30 pm

1 stop17h 40m

Bucharest Otopeni Intl

Tue 2/23

6:00 am-6:22 pm

2 stops22h 22m

$700
Quickest round-trip

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Wed 4/14

6:50 pm-6:30 pm

1 stop13h 40m

Bucharest Otopeni Intl

Fri 5/7

6:05 am-12:20 pm

1 stop16h 15m

$713

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Wed 4/14

6:50 pm-6:30 pm

1 stop13h 40m

Bucharest Otopeni Intl

Fri 5/7

6:05 am-2:15 pm

2 stops18h 10m

$715

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Mon 2/1

6:45 pm-3:05 pm

1 stop34h 20m

Bucharest Otopeni Intl

Fri 2/5

8:25 am-4:50 pm

1 stop18h 25m

$729

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Mon 2/1

6:45 pm-3:05 pm

1 stop34h 20m

Bucharest Otopeni Intl

Fri 2/5

8:25 am-4:50 pm

1 stop18h 25m

$740

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Fri 2/5

11:00 am-3:25 pm

2 stops18h 25m

Bucharest Otopeni Intl

Thu 2/18

6:00 am-11:47 am

1 stop15h 47m

$777

SeattleBucharest

SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl

SEAOTP

Seattle/Tacoma Intl

Fri 2/5

11:25 am-3:25 pm

2 stops18h 00m

Bucharest Otopeni Intl

Thu 2/18

6:00 am-11:47 am

1 stop15h 47m

$777

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 high for flights on this route.

Typical prices usually range from $554 to $584.
The lowest price recently found on this route was $691.

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 $574. 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 $583.

Can stopping save me money on Seattle to Bucharest flights?

You could potentially save up to 39% 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 October 2026, prices for Seattle to Bucharest flights are approximately 12% 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

$319

Fastest flight time

15h 10m

Direct flights

None
The best one-way flight to Bucharest from Seattle in the past 72 hours is $319. The best round-trip flight deal from Seattle to Bucharest found on momondo in the last 72 hours is $691.
The fastest flight from Seattle to Bucharest takes 15h 10m
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 15h 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 $539Free CancellationRating
6.7
8,274 reviews
Search British Airways flights
LufthansaPriceFrom $548Free CancellationRating
6.8
8,295 reviews
Search Lufthansa flights
KLMPriceFrom $584Free CancellationRating
7.8
1,597 reviews
Search KLM flights
Turkish AirlinesPriceFrom $642Free CancellationRating
7.4
4,460 reviews
Search Turkish Airlines flights
Air FrancePriceFrom $762Free CancellationRating
7.5
1,652 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