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Cheap flights from Seattle to Bucharest from $281

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 5/7. 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
2:10 pm - 4:20 pm
SEA
-
OTP
16h 10m
1 stop
Lufthansa Logo
6:05 am - 12:20 pm
OTP
-
SEA
16h 15m
1 stop
$505Lufthansa
Wed, Apr 1 - Fri, Apr 10
Multiple Airlines Logo
10:20 am - 4:20 pm
SEA
-
OTP
20h 00m
2 stops
Multiple Airlines Logo
6:15 am - 7:18 pm
OTP
-
SEA
23h 03m
2 stops
$521Multiple Airlines
Mon, Mar 30 - Fri, Apr 17
Multiple Airlines Logo
8:00 am - 3:45 pm
SEA
-
OTP
22h 45m
2 stops
Multiple Airlines Logo
5:55 am - 1:10 pm
OTP
-
SEA
16h 15m
1 stop
$529Multiple Airlines
Tue, Mar 17 - Tue, Mar 24
Multiple Airlines Logo
8:00 am - 3:45 pm
SEA
-
OTP
22h 45m
2 stops
Multiple Airlines Logo
5:55 am - 1:10 pm
OTP
-
SEA
16h 15m
1 stop
$530Multiple Airlines
Tue, Mar 17 - Tue, Mar 24
British Airways Logo
8:20 pm - 12:50 am
SEA
-
OTP
18h 30m
1 stop
British Airways Logo
3:40 pm - 11:35 am
OTP
-
SEA
29h 55m
1 stop
$531British Airways
Sun, Apr 26 - Mon, May 11
Delta Logo
2:10 pm - 10:50 pm
SEA
-
OTP
22h 40m
1 stop
Delta Logo
6:00 am - 12:35 pm
OTP
-
SEA
15h 35m
1 stop
$535Delta
Sun, Mar 1 - Mon, Mar 16
Multiple Airlines Logo
3:10 pm - 1:05 am
SEA
-
OTP
23h 55m
1 stop
Multiple Airlines Logo
6:55 am - 10:16 pm
OTP
-
SEA
24h 21m
2 stops
$536Multiple Airlines
Sun, Mar 1 - Sun, Mar 15
Multiple Airlines Logo
2:10 pm - 8:10 pm
SEA
-
OTP
20h 00m
1 stop
Multiple Airlines Logo
4:50 pm - 12:35 pm
OTP
-
SEA
28h 45m
1 stop
$537Multiple Airlines
Sun, Mar 1 - Sun, Mar 15
Delta Logo
6:40 pm - 12:45 pm
SEA
-
OTP
32h 05m
1 stop
Delta Logo
7:05 am - 11:42 am
OTP
-
SEA
14h 37m
1 stop
$538Delta
Mon, Apr 27 - Wed, May 13
British Airways Logo
7:15 am - 11:45 pm
SEA
-
OTP
30h 30m
2 stops
British Airways Logo
3:50 pm - 11:13 pm
OTP
-
SEA
40h 23m
2 stops
$539British Airways
Sun, Mar 1 - Wed, Mar 11

Lufthansa flights from Seattle to Bucharest

Our best Lufthansa deals on Seattle to Bucharest flight tickets
Lufthansa
Apr 1
SEA2:10 pmSeattle/Tacoma Intl
16h 10m
1 stop
OTP4:20 pmBucharest Otopeni Intl
Apr 10
OTP6:05 amBucharest Otopeni Intl
16h 15m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$505
Lufthansa
Mar 17
SEA3:00 pmSeattle/Tacoma Intl
13h 55m
1 stop
OTP1:55 pmBucharest Otopeni Intl
Mar 24
OTP5:55 amBucharest Otopeni Intl
16h 15m
1 stop
SEA1:10 pmSeattle/Tacoma Intl
$545
Lufthansa
May 2
SEA3:00 pmSeattle/Tacoma Intl
36h 05m
2 stops
OTP1:05 pmBucharest Otopeni Intl
May 13
OTP6:05 amBucharest Otopeni Intl
16h 15m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$557

British Airways flights from Seattle to Bucharest

Our best British Airways deals on Seattle to Bucharest flight tickets
British Airways
Apr 26
SEA8:20 pmSeattle/Tacoma Intl
18h 30m
1 stop
OTP12:50 amBucharest Otopeni Intl
May 11
OTP3:40 pmBucharest Otopeni Intl
29h 55m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$531
British Airways
Mar 1
SEA7:15 amSeattle/Tacoma Intl
30h 30m
2 stops
OTP11:45 pmBucharest Otopeni Intl
Mar 11
OTP3:50 pmBucharest Otopeni Intl
40h 23m
2 stops
SEA11:13 pmSeattle/Tacoma Intl
$539
British Airways
Apr 26
SEA8:20 pmSeattle/Tacoma Intl
18h 30m
1 stop
OTP12:50 amBucharest Otopeni Intl
May 14
OTP3:40 pmBucharest Otopeni Intl
29h 55m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$576

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 February 2, 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

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 4/1

2:10 pm-4:20 pm

1 stop16h 10m

Bucharest Otopeni Intl

Fri 4/10

6:05 am-12:20 pm

1 stop16h 15m

$505

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 3/30

10:20 am-4:20 pm

2 stops20h 00m

Bucharest Otopeni Intl

Fri 4/17

6:15 am-7:18 pm

2 stops23h 03m

$521

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 3/17

8:00 am-3:45 pm

2 stops22h 45m

Bucharest Otopeni Intl

Tue 3/24

5:55 am-1:10 pm

1 stop16h 15m

$529

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 3/17

8:00 am-3:45 pm

2 stops22h 45m

Bucharest Otopeni Intl

Tue 3/24

5:55 am-1:10 pm

1 stop16h 15m

$530

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 4/26

8:20 pm-12:50 am

1 stop18h 30m

Bucharest Otopeni Intl

Mon 5/11

3:40 pm-11:35 am

1 stop29h 55m

$531

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 3/1

2:10 pm-10:50 pm

1 stop22h 40m

Bucharest Otopeni Intl

Mon 3/16

6:00 am-12:35 pm

1 stop15h 35m

$535

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 3/1

3:10 pm-1:05 am

1 stop23h 55m

Bucharest Otopeni Intl

Sun 3/15

6:55 am-10:16 pm

2 stops24h 21m

$536

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 3/1

2:10 pm-8:10 pm

1 stop20h 00m

Bucharest Otopeni Intl

Sun 3/15

4:50 pm-12:35 pm

1 stop28h 45m

$537

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 4/27

6:40 pm-12:45 pm

1 stop32h 05m

Bucharest Otopeni Intl

Wed 5/13

7:05 am-11:42 am

1 stop14h 37m

$538

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 3/1

7:15 am-11:45 pm

2 stops30h 30m

Bucharest Otopeni Intl

Wed 3/11

3:50 pm-11:13 pm

2 stops40h 23m

$539

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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, 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 $540. 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 $605.

How far in advance should I book a flight to Bucharest?

You are more likely to see cheaper flights to Bucharest from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest for around $825 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest from Seattle for as low as $584 on momondo.

Can stopping save me money on Seattle to Bucharest flights?

You could potentially save up to 37% 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 February 2026, prices for Seattle to Bucharest flights are approximately 8% 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 05m

Direct flights

None
The fastest flight from Seattle to Bucharest takes 15h 05m
There are no direct flights from Seattle to Bucharest. There are no popular flight routes from Seattle to Bucharest.
Search flight deals

  • 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 05m, 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
7,707 reviews
Search British Airways flights
KLMPriceFrom $552Free CancellationRating
7.7
1,446 reviews
Search KLM flights
LufthansaPriceFrom $565Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
United AirlinesPriceFrom $585Free CancellationRating
7.4
9,220 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $587Free CancellationRating
7.3
4,215 reviews
Search Turkish Airlines flights
Air FrancePriceFrom $699Free CancellationRating
7.4
1,528 reviews
Search Air France flights
DeltaPriceFrom $772Free CancellationRating
7.9
8,128 reviews
Search Delta 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