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Cheap flights from Seattle to Bucharest from $287

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 10/8. 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
3:10 pm - 6:35 pm
SEA
-
OTP
17h 25m
1 stop
Lufthansa Logo
6:05 am - 12:10 pm
OTP
-
SEA
16h 05m
1 stop
$739Lufthansa
Sun, Nov 8 - Fri, Nov 13
Multiple Airlines Logo
7:45 am - 3:50 pm
SEA
-
OTP
22h 05m
2 stops
Multiple Airlines Logo
6:05 am - 12:10 pm
OTP
-
SEA
16h 05m
1 stop
$741Multiple Airlines
Sun, Nov 8 - Fri, Nov 13
Multiple Airlines Logo
7:45 am - 3:50 pm
SEA
-
OTP
22h 05m
2 stops
Multiple Airlines Logo
6:05 am - 12:10 pm
OTP
-
SEA
16h 05m
1 stop
$742Multiple Airlines
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
Multiple Airlines Logo
7:45 am - 3:50 pm
SEA
-
OTP
22h 05m
2 stops
Multiple Airlines Logo
6:05 am - 12:10 pm
OTP
-
SEA
16h 05m
1 stop
$745Multiple Airlines
Wed, Nov 4 - Tue, Jan 12
British Airways Logo
1:30 pm - 5:20 pm
SEA
-
OTP
17h 50m
1 stop
British Airways Logo
8:05 am - 4:55 pm
OTP
-
SEA
18h 50m
1 stop
$748British Airways
Mon, Oct 19 - Wed, Nov 18
Multiple Airlines Logo
2:05 pm - 8:10 pm
SEA
-
OTP
20h 05m
1 stop
Multiple Airlines Logo
4:50 pm - 11:47 am
OTP
-
SEA
28h 57m
1 stop
$750Multiple Airlines
Sun, Nov 8 - Thu, Nov 12
Delta Logo
2:05 pm - 10:50 pm
SEA
-
OTP
22h 45m
1 stop
Delta Logo
2:00 pm - 11:47 am
OTP
-
SEA
31h 47m
1 stop
$751Delta
Sun, Nov 8 - Mon, Nov 16
Delta Logo
6:40 pm - 12:45 pm
SEA
-
OTP
32h 05m
1 stop
Delta Logo
2:00 pm - 11:47 am
OTP
-
SEA
31h 47m
1 stop
$752Delta
Sun, Oct 18 - Wed, Nov 18
Multiple Airlines Logo
3:00 pm - 6:35 pm
SEA
-
OTP
17h 35m
2 stops
Multiple Airlines Logo
6:05 am - 12:10 pm
OTP
-
SEA
16h 05m
1 stop
$753Multiple Airlines
Mon, Oct 19 - Wed, Nov 18

Lufthansa flights from Seattle to Bucharest

Our best Lufthansa deals on Seattle to Bucharest flight tickets
Lufthansa
Nov 8
SEA3:10 pmSeattle/Tacoma Intl
17h 25m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Nov 13
OTP6:05 amBucharest Otopeni Intl
16h 05m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$739
Lufthansa
Nov 8
SEA3:10 pmSeattle/Tacoma Intl
17h 25m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Nov 10
OTP7:20 pmBucharest Otopeni Intl
28h 00m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$770
Lufthansa
Nov 11
SEA7:00 amSeattle/Tacoma Intl
21h 05m
2 stops
OTP2:05 pmBucharest Otopeni Intl
Nov 13
OTP6:05 amBucharest Otopeni Intl
16h 05m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$774

British Airways flights from Seattle to Bucharest

Our best British Airways deals on Seattle to Bucharest flight tickets
British Airways
Nov 8
SEA6:50 pmSeattle/Tacoma Intl
18h 55m
1 stop
OTP11:45 pmBucharest Otopeni Intl
Nov 13
OTP8:00 amBucharest Otopeni Intl
18h 55m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$744
British Airways
Oct 19
SEA1:30 pmSeattle/Tacoma Intl
17h 50m
1 stop
OTP5:20 pmBucharest Otopeni Intl
Nov 18
OTP8:05 amBucharest Otopeni Intl
18h 50m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$748
British Airways
Nov 7
SEA1:35 pmSeattle/Tacoma Intl
24h 10m
1 stop
OTP11:45 pmBucharest Otopeni Intl
Nov 10
OTP8:00 amBucharest Otopeni Intl
18h 55m
1 stop
SEA4:55 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 May 19, 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
Quickest round-trip

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 11/8

3:10 pm-6:35 pm

1 stop17h 25m

Bucharest Otopeni Intl

Fri 11/13

6:05 am-12:10 pm

1 stop16h 05m

$739

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 11/8

7:45 am-3:50 pm

2 stops22h 05m

Bucharest Otopeni Intl

Fri 11/13

6:05 am-12:10 pm

1 stop16h 05m

$741

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 11/8

7:45 am-3:50 pm

2 stops22h 05m

Bucharest Otopeni Intl

Fri 11/13

6:05 am-12:10 pm

1 stop16h 05m

$742

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

Wed 11/4

7:45 am-3:50 pm

2 stops22h 05m

Bucharest Otopeni Intl

Tue 1/12

6:05 am-12:10 pm

1 stop16h 05m

$745

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 10/19

1:30 pm-5:20 pm

1 stop17h 50m

Bucharest Otopeni Intl

Wed 11/18

8:05 am-4:55 pm

1 stop18h 50m

$748

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 11/8

2:05 pm-8:10 pm

1 stop20h 05m

Bucharest Otopeni Intl

Thu 11/12

4:50 pm-11:47 am

1 stop28h 57m

$750

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 11/8

2:05 pm-10:50 pm

1 stop22h 45m

Bucharest Otopeni Intl

Mon 11/16

2:00 pm-11:47 am

1 stop31h 47m

$751

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 10/18

6:40 pm-12:45 pm

1 stop32h 05m

Bucharest Otopeni Intl

Wed 11/18

2:00 pm-11:47 am

1 stop31h 47m

$752

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 10/19

3:00 pm-6:35 pm

2 stops17h 35m

Bucharest Otopeni Intl

Wed 11/18

6:05 am-12:10 pm

1 stop16h 05m

$753

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

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
7,986 reviews
Search British Airways flights
LufthansaPriceFrom $548Free CancellationRating
6.8
8,012 reviews
Search Lufthansa flights
KLMPriceFrom $584Free CancellationRating
7.8
1,517 reviews
Search KLM flights
Turkish AirlinesPriceFrom $584Free CancellationRating
7.4
4,379 reviews
Search Turkish Airlines flights
Air FrancePriceFrom $746Free CancellationRating
7.4
1,588 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