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Cheap flights from Seattle to Bucharest from $285

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 8/31. 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
2:50 pm - 6:35 pm
SEA
-
OTP
17h 45m
1 stop
Lufthansa Logo
6:05 am - 1:00 pm
OTP
-
SEA
16h 55m
1 stop
$740Lufthansa
Sun, Nov 8 - Fri, Nov 13
British Airways Logo
6:50 pm - 11:45 pm
SEA
-
OTP
18h 55m
1 stop
British Airways Logo
8:00 am - 4:55 pm
OTP
-
SEA
18h 55m
1 stop
$744British Airways
Sun, Nov 8 - Fri, Nov 13
British Airways Logo
1:30 pm - 12:50 am
SEA
-
OTP
25h 20m
1 stop
British Airways Logo
4:00 pm - 11:30 am
OTP
-
SEA
29h 30m
1 stop
$745British Airways
Sun, Oct 18 - Mon, Nov 23
British Airways Logo
8:20 pm - 3:25 pm
SEA
-
OTP
33h 05m
1 stop
British Airways Logo
4:00 pm - 11:30 am
OTP
-
SEA
29h 30m
1 stop
$746British Airways
Mon, Oct 19 - Mon, Nov 2
Lufthansa Logo
6:50 pm - 6:35 pm
SEA
-
OTP
13h 45m
1 stop
Lufthansa Logo
12:45 pm - 4:59 pm
OTP
-
SEA
14h 14m
1 stop
$753Lufthansa
Tue, Aug 25 - Thu, Oct 1
Turkish Airlines Logo
7:15 pm - 8:15 pm
SEA
-
OTP
15h 00m
1 stop
Turkish Airlines Logo
10:10 am - 6:10 pm
OTP
-
SEA
17h 00m
1 stop
$754Turkish Airlines
Mon, Sep 21 - Tue, Oct 27
British Airways Logo
6:50 pm - 11:00 pm
SEA
-
OTP
18h 10m
1 stop
British Airways Logo
4:35 pm - 4:55 pm
OTP
-
SEA
34h 20m
1 stop
$755British Airways
Mon, Nov 16 - Thu, Nov 19
Multiple Airlines Logo
6:50 pm - 6:35 pm
SEA
-
OTP
13h 45m
1 stop
Multiple Airlines Logo
4:40 pm - 10:29 pm
OTP
-
SEA
39h 49m
2 stops
$758Multiple Airlines
Sun, Oct 18 - Mon, Nov 23
British Airways Logo
11:34 am - 5:20 pm
SEA
-
OTP
19h 46m
2 stops
British Airways Logo
4:00 pm - 11:30 am
OTP
-
SEA
29h 30m
1 stop
$760British Airways
Mon, Oct 19 - Mon, Nov 2
Delta Logo
7:20 am - 2:10 pm
SEA
-
OTP
20h 50m
2 stops
Delta Logo
6:00 am - 6:30 pm
OTP
-
SEA
22h 30m
2 stops
$765Delta
Sun, Nov 8 - Fri, Nov 13

Turkish Airlines flights from Seattle to Bucharest

Our best Turkish Airlines deals on Seattle to Bucharest flight tickets
Turkish Airlines
Sep 21
SEA7:15 pmSeattle/Tacoma Intl
15h 00m
1 stop
OTP8:15 pmBucharest Otopeni Intl
Oct 27
OTP10:10 amBucharest Otopeni Intl
17h 00m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
$754
Turkish Airlines
Aug 13
SEA7:15 pmSeattle/Tacoma Intl
15h 00m
1 stop
OTP8:15 pmBucharest Otopeni Intl
Sep 21
OTP9:35 pmBucharest Otopeni Intl
29h 45m
1 stop
SEA5:20 pmSeattle/Tacoma Intl
$796
Turkish Airlines
Aug 13
SEA7:15 pmSeattle/Tacoma Intl
15h 00m
1 stop
OTP8:15 pmBucharest Otopeni Intl
Sep 21
OTP9:35 pmBucharest Otopeni Intl
29h 45m
1 stop
SEA5:20 pmSeattle/Tacoma Intl
$808

Air Canada flights from Seattle to Bucharest

Our best Air Canada deals on Seattle to Bucharest flight tickets
Air Canada
Nov 16
SEA7:45 amSeattle/Tacoma Intl
24h 50m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Nov 19
OTP6:30 amBucharest Otopeni Intl
24h 24m
2 stops
SEA8:54 pmSeattle/Tacoma Intl
$771
Air Canada
Nov 3
SEA7:45 amSeattle/Tacoma Intl
22h 05m
2 stops
OTP3:50 pmBucharest Otopeni Intl
Nov 6
OTP6:30 amBucharest Otopeni Intl
24h 24m
2 stops
SEA8:54 pmSeattle/Tacoma Intl
$773
Air Canada
Sep 1
SEA5:45 amSeattle/Tacoma Intl
24h 35m
2 stops
OTP4:20 pmBucharest Otopeni Intl
Oct 7
OTP6:05 amBucharest Otopeni Intl
26h 37m
2 stops
SEA10:42 pmSeattle/Tacoma Intl
$782

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 May 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

Cheapest round-trip

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 11/8

2:50 pm-6:35 pm

1 stop17h 45m

Bucharest Otopeni Intl

Fri 11/13

6:05 am-1:00 pm

1 stop16h 55m

$740

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 11/8

6:50 pm-11:45 pm

1 stop18h 55m

Bucharest Otopeni Intl

Fri 11/13

8:00 am-4:55 pm

1 stop18h 55m

$744

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 10/18

1:30 pm-12:50 am

1 stop25h 20m

Bucharest Otopeni Intl

Mon 11/23

4:00 pm-11:30 am

1 stop29h 30m

$745

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 10/19

8:20 pm-3:25 pm

1 stop33h 05m

Bucharest Otopeni Intl

Mon 11/2

4:00 pm-11:30 am

1 stop29h 30m

$746
Quickest round-trip

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 8/25

6:50 pm-6:35 pm

1 stop13h 45m

Bucharest Otopeni Intl

Thu 10/1

12:45 pm-4:59 pm

1 stop14h 14m

$753

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 9/21

7:15 pm-8:15 pm

1 stop15h 00m

Bucharest Otopeni Intl

Tue 10/27

10:10 am-6:10 pm

1 stop17h 00m

$754

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 11/16

6:50 pm-11:00 pm

1 stop18h 10m

Bucharest Otopeni Intl

Thu 11/19

4:35 pm-4:55 pm

1 stop34h 20m

$755

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 10/18

6:50 pm-6:35 pm

1 stop13h 45m

Bucharest Otopeni Intl

Mon 11/23

4:40 pm-10:29 pm

2 stops39h 49m

$758

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 10/19

11:34 am-5:20 pm

2 stops19h 46m

Bucharest Otopeni Intl

Mon 11/2

4:00 pm-11:30 am

1 stop29h 30m

$760

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 11/8

7:20 am-2:10 pm

2 stops20h 50m

Bucharest Otopeni Intl

Fri 11/13

6:00 am-6:30 pm

2 stops22h 30m

$765

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, July 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 $457. If you aren’t able to travel to Bucharest during the month of July, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $502.

How have Seattle to Bucharest flight prices changed over time?

As of May 2026, prices for Seattle to Bucharest flights are approximately 69% 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

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

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
8,008 reviews
Search British Airways flights
LufthansaPriceFrom $548Free CancellationRating
6.8
8,032 reviews
Search Lufthansa flights
KLMPriceFrom $552Free CancellationRating
7.8
1,526 reviews
Search KLM flights
Turkish AirlinesPriceFrom $584Free CancellationRating
7.4
4,399 reviews
Search Turkish Airlines flights
Air FrancePriceFrom $748Free CancellationRating
7.4
1,595 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

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