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Cheap flights from Seattle to Bucharest from $254

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 10/2. 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
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
7:15 pm - 2:35 pm
SEA
-
OTP
33h 20m
1 stop
Turkish Airlines Logo
3:55 pm - 5:20 pm
OTP
-
SEA
35h 25m
1 stop
$699Turkish Airlines
Mon, Oct 5 - Mon, Oct 12
Turkish Airlines Logo
7:15 pm - 2:35 pm
SEA
-
OTP
33h 20m
1 stop
Turkish Airlines Logo
9:30 am - 5:20 pm
OTP
-
SEA
17h 50m
1 stop
$699Turkish Airlines
Thu, Sep 17 - Thu, Sep 24
British Airways Logo
1:30 pm - 12:05 am
SEA
-
OTP
24h 35m
1 stop
British Airways Logo
3:50 pm - 11:25 am
OTP
-
SEA
29h 35m
1 stop
$736British Airways
Tue, Nov 10 - Wed, Nov 25
Lufthansa Logo
7:00 am - 6:35 pm
SEA
-
OTP
25h 35m
2 stops
Lufthansa Logo
6:00 am - 12:00 pm
OTP
-
SEA
16h 00m
1 stop
$737Lufthansa
Tue, Nov 10 - Wed, Nov 25
Lufthansa Logo
7:00 am - 1:55 pm
SEA
-
OTP
20h 55m
2 stops
Lufthansa Logo
6:00 am - 7:03 pm
OTP
-
SEA
23h 03m
2 stops
$752Lufthansa
Tue, Nov 10 - Wed, Nov 25
British Airways Logo
6:45 pm - 2:45 pm
SEA
-
OTP
34h 00m
1 stop
British Airways Logo
8:00 am - 4:50 pm
OTP
-
SEA
18h 50m
1 stop
$759British Airways
Mon, Nov 9 - Fri, Nov 13
Multiple Airlines Logo
6:50 pm - 6:35 pm
SEA
-
OTP
13h 45m
1 stop
Multiple Airlines Logo
1:20 pm - 8:10 pm
OTP
-
SEA
40h 50m
2 stops
$781Multiple Airlines
Tue, Aug 25 - Mon, Jan 11
Multiple Airlines Logo
6:50 pm - 1:10 am
SEA
-
OTP
20h 20m
1 stop
Multiple Airlines Logo
4:40 pm - 10:29 pm
OTP
-
SEA
39h 49m
2 stops
$785Multiple Airlines
Tue, Aug 25 - Tue, Feb 16
KLM Logo
9:59 am - 5:40 pm
SEA
-
OTP
21h 41m
2 stops
KLM Logo
7:05 am - 4:35 pm
OTP
-
SEA
19h 30m
1 stop
$834KLM
Tue, Sep 8 - Tue, Sep 15
KLM Logo
9:59 am - 5:40 pm
SEA
-
OTP
21h 41m
2 stops
KLM Logo
7:05 am - 8:21 pm
OTP
-
SEA
23h 16m
2 stops
$840KLM
Tue, Sep 8 - Tue, Sep 15

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United Airlines flights from Seattle to Bucharest

Our best United Airlines deals on Seattle to Bucharest flight tickets
United Airlines
Nov 9
SEA8:09 amSeattle/Tacoma Intl
24h 26m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Nov 13
OTP7:10 pmBucharest Otopeni Intl
37h 01m
2 stops
SEA10:11 pmSeattle/Tacoma Intl
$836
United Airlines
Aug 25
SEA6:50 pmSeattle/Tacoma Intl
13h 45m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Jan 11
OTP7:10 pmBucharest Otopeni Intl
36h 46m
3 stops
SEA9:56 pmSeattle/Tacoma Intl
$841
United Airlines
Sep 9
SEA6:50 pmSeattle/Tacoma Intl
13h 45m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Sep 16
OTP1:45 pmBucharest Otopeni Intl
29h 51m
2 stops
SEA9:36 amSeattle/Tacoma Intl
$844

British Airways flights from Seattle to Bucharest

Our best British Airways deals on Seattle to Bucharest flight tickets
British Airways
Nov 10
SEA1:30 pmSeattle/Tacoma Intl
24h 35m
1 stop
OTP12:05 amBucharest Otopeni Intl
Nov 25
OTP3:50 pmBucharest Otopeni Intl
29h 35m
1 stop
SEA11:25 amSeattle/Tacoma Intl
$736
British Airways
Nov 9
SEA6:45 pmSeattle/Tacoma Intl
34h 00m
1 stop
OTP2:45 pmBucharest Otopeni Intl
Nov 13
OTP8:00 amBucharest Otopeni Intl
18h 50m
1 stop
SEA4:50 pmSeattle/Tacoma Intl
$759
British Airways
Aug 25
SEA1:30 pmSeattle/Tacoma Intl
15h 55m
1 stop
OTP3:25 pmBucharest Otopeni Intl
Jan 12
OTP8:20 amBucharest Otopeni Intl
18h 30m
1 stop
SEA4:50 pmSeattle/Tacoma Intl
$805

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 July 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

Mon 10/5

7:15 pm-2:35 pm

1 stop33h 20m

Bucharest Otopeni Intl

Mon 10/12

3:55 pm-5:20 pm

1 stop35h 25m

$699

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Thu 9/17

7:15 pm-2:35 pm

1 stop33h 20m

Bucharest Otopeni Intl

Thu 9/24

9:30 am-5:20 pm

1 stop17h 50m

$699

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 11/10

1:30 pm-12:05 am

1 stop24h 35m

Bucharest Otopeni Intl

Wed 11/25

3:50 pm-11:25 am

1 stop29h 35m

$736

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 11/10

7:00 am-6:35 pm

2 stops25h 35m

Bucharest Otopeni Intl

Wed 11/25

6:00 am-12:00 pm

1 stop16h 00m

$737

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 11/10

7:00 am-1:55 pm

2 stops20h 55m

Bucharest Otopeni Intl

Wed 11/25

6:00 am-7:03 pm

2 stops23h 03m

$752

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 11/9

6:45 pm-2:45 pm

1 stop34h 00m

Bucharest Otopeni Intl

Fri 11/13

8:00 am-4:50 pm

1 stop18h 50m

$759

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 8/25

6:50 pm-6:35 pm

1 stop13h 45m

Bucharest Otopeni Intl

Mon 1/11

1:20 pm-8:10 pm

2 stops40h 50m

$781

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 8/25

6:50 pm-1:10 am

1 stop20h 20m

Bucharest Otopeni Intl

Tue 2/16

4:40 pm-10:29 pm

2 stops39h 49m

$785
Quickest round-trip

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 9/8

9:59 am-5:40 pm

2 stops21h 41m

Bucharest Otopeni Intl

Tue 9/15

7:05 am-4:35 pm

1 stop19h 30m

$834

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 9/8

9:59 am-5:40 pm

2 stops21h 41m

Bucharest Otopeni Intl

Tue 9/15

7:05 am-8:21 pm

2 stops23h 16m

$840

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 typical for flights on this route.

Typical prices usually range from $666 to $1,009.
The lowest price recently found on this route was $699.

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 $611.

Can stopping save me money on Seattle to Bucharest flights?

You could potentially save up to 7% 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 July 2026, prices for Seattle to Bucharest flights are approximately 62% 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

15h 00m

Direct flights

None
The fastest flight from Seattle to Bucharest takes 15h 00m
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 00m, 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
8,129 reviews
Search British Airways flights
LufthansaPriceFrom $548Free CancellationRating
6.8
8,162 reviews
Search Lufthansa flights
KLMPriceFrom $552Free CancellationRating
7.8
1,550 reviews
Search KLM flights
Turkish AirlinesPriceFrom $587Free CancellationRating
7.4
4,454 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.

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