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 Istanbul (IST) offer the lowest average round-trip price of $634.

What airlines fly to Bucharest?

Turkish Airlines, Lufthansa and KLM 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 42% of people opting to fly with this airline when traveling to Bucharest. Keep in mind that there are 6 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.

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

British Airways and United Airlines 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: 31% of momondo users choosing 1-stop flights on this route connected there.

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 March 2026, there are 6 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.

$225 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 $587 to $690. The lowest price recently found on this route was $567.

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11:05 am - 1:10 am

SEA

OTP

28h 05m

2 stops

6:05 am - 11:11 pm

OTP

SEA

27h 06m

2 stops

$567United Airlines

Mon, Aug 17 - Tue, Aug 25

8:00 am - 12:00 pm

SEA

OTP

18h 00m

2 stops

6:05 am - 11:24 pm

OTP

SEA

27h 19m

3 stops

$571United Airlines

Wed, Aug 19 - Tue, Aug 25

11:05 am - 1:10 am

SEA

OTP

28h 05m

2 stops

6:05 am - 11:55 am

OTP

SEA

15h 50m

1 stop

$575United Airlines

Mon, Aug 17 - Fri, Aug 28

8:00 am - 12:00 pm

SEA

OTP

18h 00m

2 stops

6:05 am - 11:55 am

OTP

SEA

15h 50m

1 stop

$579United Airlines

Wed, Aug 19 - Fri, Aug 28

6:50 pm - 1:10 am

SEA

OTP

20h 20m

1 stop

6:05 am - 9:58 am

OTP

SEA

37h 53m

2 stops

$580United Airlines

Sun, Jul 19 - Fri, Aug 21

3:33 pm - 1:10 am

SEA

OTP

23h 37m

2 stops

6:05 am - 9:58 am

OTP

SEA

37h 53m

2 stops

$584United Airlines

Wed, Jul 22 - Fri, Aug 21

8:50 am - 1:10 am

SEA

OTP

30h 20m

2 stops

6:05 am - 9:35 am

OTP

SEA

37h 30m

2 stops

$585United Airlines

Mon, Aug 17 - Fri, Aug 28

8:00 am - 12:00 pm

SEA

OTP

18h 00m

2 stops

6:05 am - 9:07 pm

OTP

SEA

25h 02m

2 stops

$587United Airlines

Wed, Aug 19 - Thu, Aug 27

11:05 am - 1:10 am

SEA

OTP

28h 05m

2 stops

1:50 pm - 6:29 pm

OTP

SEA

38h 39m

2 stops

$588United Airlines

Mon, Aug 17 - Mon, Aug 24

8:00 am - 12:00 pm

SEA

OTP

18h 00m

2 stops

1:50 pm - 6:59 pm

OTP

SEA

39h 09m

2 stops

$592United Airlines

Wed, Aug 19 - Mon, Aug 24

British Airways flights from Seattle to Bucharest

Our best British Airways deals on Seattle to Bucharest flight tickets

British Airways

Aug 16

SEA1:35 pmSeattle/Tacoma Intl

14h 30m

1 stop

OTP2:05 pmBucharest Otopeni Intl

Aug 26

OTP4:15 pmBucharest Otopeni Intl

29h 20m

1 stop

SEA11:35 amSeattle/Tacoma Intl

$595

British Airways

Apr 19

SEA7:00 amSeattle/Tacoma Intl

21h 05m

2 stops

OTP2:05 pmBucharest Otopeni Intl

May 12

OTP6:10 pmBucharest Otopeni Intl

27h 25m

1 stop

SEA11:35 amSeattle/Tacoma Intl

$620

British Airways

Apr 1

SEA1:54 pmSeattle/Tacoma Intl

24h 26m

2 stops

OTP12:20 amBucharest Otopeni Intl

Apr 22

OTP8:15 amBucharest Otopeni Intl

20h 10m

1 stop

SEA6:25 pmSeattle/Tacoma Intl

$623

KLM flights from Seattle to Bucharest

Our best KLM deals on Seattle to Bucharest flight tickets

KLM

Jul 21

SEA1:45 pmSeattle/Tacoma Intl

15h 40m

1 stop

OTP3:25 pmBucharest Otopeni Intl

Aug 20

OTP8:35 amBucharest Otopeni Intl

17h 52m

1 stop

SEA4:27 pmSeattle/Tacoma Intl

$602

KLM

Apr 1

SEA5:35 pmSeattle/Tacoma Intl

20h 10m

1 stop

OTP11:45 pmBucharest Otopeni Intl

Apr 22

OTP2:00 pmBucharest Otopeni Intl

31h 45m

1 stop

SEA11:45 amSeattle/Tacoma Intl

$616

KLM

Mar 17

SEA4:05 pmSeattle/Tacoma Intl

22h 25m

1 stop

OTP11:30 pmBucharest Otopeni Intl

Mar 25

OTP6:10 pmBucharest Otopeni Intl

27h 25m

1 stop

SEA12:35 pmSeattle/Tacoma Intl

$707

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 8/17

11:05 am-1:10 am

2 stops28h 05m

Bucharest Otopeni Intl

Tue 8/25

6:05 am-11:11 pm

2 stops27h 06m

$567

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 8/19

8:00 am-12:00 pm

2 stops18h 00m

Bucharest Otopeni Intl

Tue 8/25

6:05 am-11:24 pm

3 stops27h 19m

$571

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 8/17

11:05 am-1:10 am

2 stops28h 05m

Bucharest Otopeni Intl

Fri 8/28

6:05 am-11:55 am

1 stop15h 50m

$575

Quickest round-trip

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 8/19

8:00 am-12:00 pm

2 stops18h 00m

Bucharest Otopeni Intl

Fri 8/28

6:05 am-11:55 am

1 stop15h 50m

$579

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 7/19

6:50 pm-1:10 am

1 stop20h 20m

Bucharest Otopeni Intl

Fri 8/21

6:05 am-9:58 am

2 stops37h 53m

$580

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 7/22

3:33 pm-1:10 am

2 stops23h 37m

Bucharest Otopeni Intl

Fri 8/21

6:05 am-9:58 am

2 stops37h 53m

$584

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 8/17

8:50 am-1:10 am

2 stops30h 20m

Bucharest Otopeni Intl

Fri 8/28

6:05 am-9:35 am

2 stops37h 30m

$585

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 8/19

8:00 am-12:00 pm

2 stops18h 00m

Bucharest Otopeni Intl

Thu 8/27

6:05 am-9:07 pm

2 stops25h 02m

$587

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 8/17

11:05 am-1:10 am

2 stops28h 05m

Bucharest Otopeni Intl

Mon 8/24

1:50 pm-6:29 pm

2 stops38h 39m

$588

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 8/19

8:00 am-12:00 pm

2 stops18h 00m

Bucharest Otopeni Intl

Mon 8/24

1:50 pm-6:59 pm

2 stops39h 09m

$592

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 $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 $808 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 $583 on momondo.

Can stopping save me money on Seattle to Bucharest flights?

You could potentially save up to 32% 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 March 2026, prices for Seattle to Bucharest flights are approximately 39% 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

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?
As of March 2026, there are 6 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 39% of all bookings. The subsequent popular airlines are Lufthansa at 23%, British Airways at 16%, and KLM at 10%.

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 7,779 reviews	Search British Airways flights
Lufthansa	PriceFrom $565	Free Cancellation	Rating 6.8 7,835 reviews	Search Lufthansa flights
KLM	PriceFrom $584	Free Cancellation	Rating 7.8 1,467 reviews	Search KLM flights
United Airlines	PriceFrom $585	Free Cancellation	Rating 7.4 9,406 reviews	Search United Airlines flights
Turkish Airlines	PriceFrom $587	Free Cancellation	Rating 7.3 4,248 reviews	Search Turkish Airlines flights
Air France	PriceFrom $746	Free Cancellation	Rating 7.4 1,543 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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Bucharest Otopeni Intl Airport

Cheap flights from Seattle to Bucharest from $225

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 4/19. 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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Our best British Airways deals on Seattle to Bucharest flight tickets

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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

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Direct flights

Best airlines flying from Seattle to Bucharest

Compare and see reviews for airlines that fly from Seattle to Bucharest with momondo

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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

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

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