What is the cheapest airline that flies from Seattle/Tacoma Intl to Bucharest?

British Airways and Lufthansa are the most popular carriers operating from Seattle/Tacoma Intl to Bucharest

Which airport is the most popular layover for flights between Seattle and Bucharest?

Istanbul (IST) was the most common stop: 39% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Seattle to Bucharest?

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 13h 34m.

Which layover airport offers the lowest fares from Seattle to Bucharest?

Flights via Munich (MUC) offer the lowest average round-trip price of $586.

What airlines fly to Bucharest?

Turkish Airlines, Lufthansa and British Airways are the top three most popular airlines that fly to Bucharest from Seattle according to our data. Turkish Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Bucharest. Keep in mind that there are 5 different airlines that fly to Bucharest on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Seattle to Bucharest?

Amsterdam (AMS) has the shortest average layover time for this route: 1h 35m.

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?

As of April 2026, there are 5 operators available to choose from 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.

$353 Cheap Flights from Seattle to Bucharest in 2026

Q: What is the typical price of a round-trip flight between Seattle and Bucharest?

Prices are currently low for flights on this route. Typical prices usually range from $883 to $604. The lowest price recently found on this route was $603.

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:10 pm - 8:15 pm

SEA

OTP

15h 05m

1 stop

9:35 pm - 5:15 pm

OTP

SEA

29h 40m

1 stop

$603Turkish Airlines

Tue, Sep 1 - Tue, Sep 15

7:10 pm - 8:15 pm

SEA

OTP

15h 05m

1 stop

7:25 pm - 6:05 pm

OTP

SEA

32h 40m

1 stop

$605Turkish Airlines

Tue, Sep 22 - Wed, Nov 4

12:35 pm - 2:35 pm

SEA

OTP

16h 00m

1 stop

9:30 am - 5:15 pm

OTP

SEA

17h 45m

1 stop

$630Turkish Airlines

Mon, Sep 7 - Fri, Oct 2

7:10 pm - 8:15 pm

SEA

OTP

15h 05m

1 stop

9:30 am - 5:15 pm

OTP

SEA

17h 45m

1 stop

$633Turkish Airlines

Sun, Sep 6 - Fri, Oct 2

7:10 pm - 2:35 pm

SEA

OTP

33h 25m

1 stop

3:55 pm - 5:15 pm

OTP

SEA

35h 20m

1 stop

$661Turkish Airlines

Sun, Sep 13 - Sun, Sep 20

7:10 pm - 8:15 pm

SEA

OTP

15h 05m

1 stop

9:30 pm - 5:15 pm

OTP

SEA

29h 45m

1 stop

$668Turkish Airlines

Wed, May 6 - Wed, May 13

7:10 pm - 8:15 pm

SEA

OTP

15h 05m

1 stop

9:30 am - 5:15 pm

OTP

SEA

17h 45m

1 stop

$671Turkish Airlines

Fri, Sep 4 - Fri, Oct 2

7:10 pm - 6:40 am

SEA

OTP

25h 30m

2 stops

8:10 am - 5:15 pm

OTP

SEA

19h 05m

1 stop

$673Turkish Airlines

Tue, Sep 1 - Tue, Sep 15

7:10 pm - 6:40 am

SEA

OTP

25h 30m

2 stops

8:00 am - 6:05 pm

OTP

SEA

20h 05m

1 stop

$674Turkish Airlines

Tue, Sep 22 - Wed, Nov 4

7:10 pm - 3:40 pm

SEA

OTP

34h 30m

2 stops

7:35 am - 5:15 pm

OTP

SEA

19h 40m

1 stop

$675Turkish Airlines

Sun, Sep 13 - Sun, Sep 20

Turkish Airlines flights from Seattle to Bucharest

Our best Turkish Airlines deals on Seattle to Bucharest flight tickets

Turkish Airlines

Sep 1

SEA7:10 pmSeattle/Tacoma Intl

15h 05m

1 stop

OTP8:15 pmBucharest Otopeni Intl

Sep 15

OTP9:35 pmBucharest Otopeni Intl

29h 40m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$603

Turkish Airlines

Sep 22

SEA7:10 pmSeattle/Tacoma Intl

15h 05m

1 stop

OTP8:15 pmBucharest Otopeni Intl

Nov 4

OTP7:25 pmBucharest Otopeni Intl

32h 40m

1 stop

SEA6:05 pmSeattle/Tacoma Intl

$605

Turkish Airlines

Sep 7

SEA12:35 pmSeattle/Tacoma Intl

16h 00m

1 stop

OTP2:35 pmBucharest Otopeni Intl

Oct 2

OTP9:30 amBucharest Otopeni Intl

17h 45m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$630

United Airlines flights from Seattle to Bucharest

Our best United Airlines deals on Seattle to Bucharest flight tickets

United Airlines

Sep 1

SEA5:22 pmSeattle/Tacoma Intl

21h 48m

2 stops

OTP1:10 amBucharest Otopeni Intl

Sep 15

OTP6:05 amBucharest Otopeni Intl

18h 17m

2 stops

SEA2:22 pmSeattle/Tacoma Intl

$774

United Airlines

Sep 27

SEA6:50 pmSeattle/Tacoma Intl

20h 20m

1 stop

OTP1:10 amBucharest Otopeni Intl

Oct 1

OTP6:05 amBucharest Otopeni Intl

37h 47m

2 stops

SEA9:52 amSeattle/Tacoma Intl

$787

United Airlines

Sep 27

SEA6:50 pmSeattle/Tacoma Intl

18h 50m

2 stops

OTP11:40 pmBucharest Otopeni Intl

Oct 1

OTP6:05 amBucharest Otopeni Intl

18h 17m

2 stops

SEA2:22 pmSeattle/Tacoma Intl

$819

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 9/1

7:10 pm-8:15 pm

1 stop15h 05m

Bucharest Otopeni Intl

Tue 9/15

9:35 pm-5:15 pm

1 stop29h 40m

$603

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 9/22

7:10 pm-8:15 pm

1 stop15h 05m

Bucharest Otopeni Intl

Wed 11/4

7:25 pm-6:05 pm

1 stop32h 40m

$605

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 9/7

12:35 pm-2:35 pm

1 stop16h 00m

Bucharest Otopeni Intl

Fri 10/2

9:30 am-5:15 pm

1 stop17h 45m

$630

Quickest round-trip

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 9/6

7:10 pm-8:15 pm

1 stop15h 05m

Bucharest Otopeni Intl

Fri 10/2

9:30 am-5:15 pm

1 stop17h 45m

$633

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 9/13

7:10 pm-2:35 pm

1 stop33h 25m

Bucharest Otopeni Intl

Sun 9/20

3:55 pm-5:15 pm

1 stop35h 20m

$661

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 5/6

7:10 pm-8:15 pm

1 stop15h 05m

Bucharest Otopeni Intl

Wed 5/13

9:30 pm-5:15 pm

1 stop29h 45m

$668

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Fri 9/4

7:10 pm-8:15 pm

1 stop15h 05m

Bucharest Otopeni Intl

Fri 10/2

9:30 am-5:15 pm

1 stop17h 45m

$671

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 9/1

7:10 pm-6:40 am

2 stops25h 30m

Bucharest Otopeni Intl

Tue 9/15

8:10 am-5:15 pm

1 stop19h 05m

$673

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 9/22

7:10 pm-6:40 am

2 stops25h 30m

Bucharest Otopeni Intl

Wed 11/4

8:00 am-6:05 pm

1 stop20h 05m

$674

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 9/13

7:10 pm-3:40 pm

2 stops34h 30m

Bucharest Otopeni Intl

Sun 9/20

7:35 am-5:15 pm

1 stop19h 40m

$675

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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 $538. 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 $602.

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 $826 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 $594 on momondo.

Can stopping save me money on Seattle to Bucharest flights?

You could potentially save up to 29% 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 April 2026, prices for Seattle to Bucharest flights are approximately 24% 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?
As of April 2026, there are 5 operators available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from Seattle to Bucharest is Turkish Airlines, representing 38% of all bookings. The subsequent popular airlines are Lufthansa at 25%, British Airways at 15%, and KLM at 12%.

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 Airways	PriceFrom $539	Free Cancellation	Rating 6.7 7,859 reviews	Search British Airways flights
Lufthansa	PriceFrom $548	Free Cancellation	Rating 6.8 7,896 reviews	Search Lufthansa flights
KLM	PriceFrom $552	Free Cancellation	Rating 7.7 1,491 reviews	Search KLM flights
Turkish Airlines	PriceFrom $587	Free Cancellation	Rating 7.3 4,300 reviews	Search Turkish Airlines flights
Air France	PriceFrom $746	Free Cancellation	Rating 7.4 1,564 reviews	Search Air France flights

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Seattle to Bucharest from $353

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 8/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Seattle to Bucharest

What is the typical price of a round-trip flight between Seattle and Bucharest?

What is the cheapest month to fly to Bucharest?

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

Can stopping save me money on Seattle to Bucharest flights?

How have Seattle to Bucharest flight prices changed over time?

What is the cheapest airline that flies from Seattle/Tacoma Intl to Bucharest?

What airlines fly to Bucharest?

Which airport is the most popular layover for flights between Seattle and Bucharest?

Which layover airport offers the lowest fares from Seattle to Bucharest?

Which layover airport has the shortest travel time from Seattle to Bucharest?

Which layover airport has the shortest connection time from Seattle to Bucharest?

When to book flights from Seattle to Bucharest

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

Direct flights

Frequently asked questions about flying 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

Traveling to a place near Bucharest?

Why use momondo?

An easier way to manage your Bucharest trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Bucharest

List of cabin classes available on flights landing in Bucharest. Availability may vary depending on flight origin and airline.

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