Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Bucharest from $305

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 5/15. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Seattle to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
5:45 pm - 3:45 pm
SEA
-
OTP
36h 00m2 stops
British Airways Logo
8:25 pm - 4:55 pm
OTP
-
SEA
30h 30m1 stop
$495British Airways
Wed, Feb 4 - Mon, Feb 16
British Airways Logo
5:45 pm - 11:30 pm
SEA
-
OTP
19h 45m2 stops
British Airways Logo
8:25 pm - 11:07 pm
OTP
-
SEA
36h 42m2 stops
$499British Airways
Wed, Feb 4 - Mon, Feb 16
Multiple Airlines Logo
3:10 pm - 3:50 pm
SEA
-
OTP
15h 40m1 stop
Multiple Airlines Logo
2:00 pm - 11:45 am
OTP
-
SEA
31h 45m1 stop
$500Multiple Airlines
Mon, Mar 23 - Tue, Apr 7
Delta Logo
2:10 pm - 10:50 pm
SEA
-
OTP
22h 40m1 stop
Delta Logo
6:00 am - 11:40 am
OTP
-
SEA
15h 40m1 stop
$502Delta
Sun, Jan 18 - Tue, Feb 3
Delta Logo
10:58 pm - 12:05 pm
SEA
-
OTP
28h 07m2 stops
Delta Logo
2:00 pm - 11:45 am
OTP
-
SEA
31h 45m1 stop
$505Delta
Mon, Mar 23 - Tue, Apr 7
Air France Logo
6:40 pm - 8:10 pm
SEA
-
OTP
15h 30m1 stop
Air France Logo
8:40 am - 5:38 pm
OTP
-
SEA
18h 58m1 stop
$507Air France
Sun, Mar 29 - Fri, Apr 10
Delta Logo
6:40 pm - 12:45 pm
SEA
-
OTP
32h 05m1 stop
Delta Logo
6:00 am - 11:15 am
OTP
-
SEA
15h 15m1 stop
$509Delta
Sun, Mar 29 - Thu, Apr 9
Delta Logo
7:10 am - 1:00 pm
SEA
-
OTP
19h 50m2 stops
Delta Logo
6:00 am - 3:00 pm
OTP
-
SEA
19h 00m2 stops
$522Delta
Sun, Jan 18 - Tue, Feb 3
Multiple Airlines Logo
9:55 am - 11:50 pm
SEA
-
OTP
27h 55m2 stops
Multiple Airlines Logo
5:50 am - 12:10 pm
OTP
-
SEA
16h 20m1 stop
$525Multiple Airlines
Thu, Feb 19 - Thu, Feb 26
Lufthansa Logo
3:10 pm - 6:35 pm
SEA
-
OTP
17h 25m1 stop
Lufthansa Logo
5:55 am - 12:10 pm
OTP
-
SEA
16h 15m1 stop
$526Lufthansa
Sun, Feb 1 - Sat, Feb 14

British Airways flights from Seattle to Bucharest

Our best British Airways deals on Seattle to Bucharest flight tickets
British Airways
Feb 4
SEA5:45 pmSeattle/Tacoma Intl
36h 00m
2 stops
OTP3:45 pmBucharest Otopeni Intl
Feb 16
OTP8:25 pmBucharest Otopeni Intl
30h 30m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$495
Find similar
British Airways
Feb 4
SEA5:45 pmSeattle/Tacoma Intl
19h 45m
2 stops
OTP11:30 pmBucharest Otopeni Intl
Feb 16
OTP8:25 pmBucharest Otopeni Intl
36h 42m
2 stops
SEA11:07 pmSeattle/Tacoma Intl
$499
Find similar
British Airways
Apr 15
SEA8:20 pmSeattle/Tacoma Intl
18h 05m
1 stop
OTP12:25 amBucharest Otopeni Intl
May 7
OTP8:25 amBucharest Otopeni Intl
20h 00m
1 stop
SEA6:25 pmSeattle/Tacoma Intl
$530
Find similar

United Airlines flights from Seattle to Bucharest

Our best United Airlines deals on Seattle to Bucharest flight tickets
United Airlines
Apr 15
SEA5:45 pmSeattle/Tacoma Intl
21h 25m
2 stops
OTP1:10 amBucharest Otopeni Intl
May 7
OTP6:05 amBucharest Otopeni Intl
16h 15m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$541
Find similar
United Airlines
Apr 15
SEA5:45 pmSeattle/Tacoma Intl
21h 25m
2 stops
OTP1:10 amBucharest Otopeni Intl
May 8
OTP6:05 amBucharest Otopeni Intl
23h 32m
2 stops
SEA7:37 pmSeattle/Tacoma Intl
$545
Find similar
United Airlines
Feb 4
SEA1:17 pmSeattle/Tacoma Intl
38h 48m
3 stops
OTP2:05 pmBucharest Otopeni Intl
Feb 16
OTP5:55 amBucharest Otopeni Intl
26h 48m
2 stops
SEA10:43 pmSeattle/Tacoma Intl
$575
Find similar

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 January 6, 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 2/4

5:45 pm-3:45 pm

2 stops36h 00m

Bucharest Otopeni Intl

Mon 2/16

8:25 pm-4:55 pm

1 stop30h 30m

$495

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 2/4

5:45 pm-11:30 pm

2 stops19h 45m

Bucharest Otopeni Intl

Mon 2/16

8:25 pm-11:07 pm

2 stops36h 42m

$499

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 3/23

3:10 pm-3:50 pm

1 stop15h 40m

Bucharest Otopeni Intl

Tue 4/7

2:00 pm-11:45 am

1 stop31h 45m

$500

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 1/18

2:10 pm-10:50 pm

1 stop22h 40m

Bucharest Otopeni Intl

Tue 2/3

6:00 am-11:40 am

1 stop15h 40m

$502

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 3/23

10:58 pm-12:05 pm

2 stops28h 07m

Bucharest Otopeni Intl

Tue 4/7

2:00 pm-11:45 am

1 stop31h 45m

$505

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 3/29

6:40 pm-8:10 pm

1 stop15h 30m

Bucharest Otopeni Intl

Fri 4/10

8:40 am-5:38 pm

1 stop18h 58m

$507

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 3/29

6:40 pm-12:45 pm

1 stop32h 05m

Bucharest Otopeni Intl

Thu 4/9

6:00 am-11:15 am

1 stop15h 15m

$509

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 1/18

7:10 am-1:00 pm

2 stops19h 50m

Bucharest Otopeni Intl

Tue 2/3

6:00 am-3:00 pm

2 stops19h 00m

$522

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Thu 2/19

9:55 am-11:50 pm

2 stops27h 55m

Bucharest Otopeni Intl

Thu 2/26

5:50 am-12:10 pm

1 stop16h 20m

$525

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 2/1

3:10 pm-6:35 pm

1 stop17h 25m

Bucharest Otopeni Intl

Sat 2/14

5:55 am-12:10 pm

1 stop16h 15m

$526

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $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 $859 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 13% 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 January 2026, prices for Seattle to Bucharest flights are approximately 6% more expensive 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

14h 55m

Direct flights

None
The fastest flight from Seattle to Bucharest takes 14h 55m
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 14h 55m, 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 $553Free CancellationRating
6.7
7,657 reviews
Search British Airways flights
LufthansaPriceFrom $581Free CancellationRating
6.8
7,683 reviews
Search Lufthansa flights
United AirlinesPriceFrom $585Free CancellationRating
7.4
9,132 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $591Free CancellationRating
7.3
4,150 reviews
Search Turkish Airlines flights
KLMPriceFrom $656Free CancellationRating
7.7
1,434 reviews
Search KLM flights
Air FrancePriceFrom $699Free CancellationRating
7.4
1,517 reviews
Search Air France flights
DeltaPriceFrom $772Free CancellationRating
7.9
8,017 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

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 2/5
Thu 2/12
By creating a price alert you accept our terms of use and privacy policy.

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