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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 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.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
7:10 pm - 8:15 pm
SEA
-
OTP
15h 05m
1 stop
Turkish Airlines Logo
9:30 am - 5:15 pm
OTP
-
SEA
17h 45m
1 stop
$624Turkish Airlines
Mon, Sep 14 - Wed, Oct 14
Turkish Airlines Logo
7:10 pm - 8:15 pm
SEA
-
OTP
15h 05m
1 stop
Turkish Airlines Logo
3:55 pm - 5:15 pm
OTP
-
SEA
35h 20m
1 stop
$627Turkish Airlines
Tue, Sep 15 - Thu, Sep 24
Turkish Airlines Logo
7:10 pm - 8:10 pm
SEA
-
OTP
15h 00m
1 stop
Turkish Airlines Logo
9:30 am - 5:15 pm
OTP
-
SEA
17h 45m
1 stop
$685Turkish Airlines
Sun, May 3 - Wed, May 27
Turkish Airlines Logo
7:10 pm - 12:05 pm
SEA
-
OTP
30h 55m
1 stop
Turkish Airlines Logo
9:30 am - 5:15 pm
OTP
-
SEA
17h 45m
1 stop
$687Turkish Airlines
Sun, May 3 - Wed, Jun 3
Turkish Airlines Logo
7:10 pm - 8:10 pm
SEA
-
OTP
15h 00m
1 stop
Turkish Airlines Logo
9:30 am - 5:15 pm
OTP
-
SEA
17h 45m
1 stop
$692Turkish Airlines
Tue, Apr 28 - Tue, May 26
Turkish Airlines Logo
7:10 pm - 2:35 pm
SEA
-
OTP
33h 25m
1 stop
Turkish Airlines Logo
12:40 pm - 5:15 pm
OTP
-
SEA
38h 35m
2 stops
$696Turkish Airlines
Mon, Sep 14 - Wed, Oct 14
Turkish Airlines Logo
7:10 pm - 6:40 am
SEA
-
OTP
25h 30m
2 stops
Turkish Airlines Logo
7:35 am - 5:15 pm
OTP
-
SEA
19h 40m
1 stop
$697Turkish Airlines
Tue, Sep 15 - Thu, Sep 24
Turkish Airlines Logo
7:10 pm - 8:15 pm
SEA
-
OTP
15h 05m
1 stop
Turkish Airlines Logo
9:35 pm - 10:40 am
OTP
-
SEA
23h 05m
1 stop
$705Turkish Airlines
Sun, Aug 16 - Sun, Sep 6
Turkish Airlines Logo
7:10 pm - 1:00 am
SEA
-
OTP
19h 50m
1 stop
Turkish Airlines Logo
5:05 pm - 5:15 pm
OTP
-
SEA
34h 10m
2 stops
$714Turkish Airlines
Sun, May 3 - Wed, May 27
Turkish Airlines Logo
7:10 pm - 8:10 am
SEA
-
OTP
27h 00m
1 stop
Turkish Airlines Logo
9:30 am - 5:15 pm
OTP
-
SEA
17h 45m
1 stop
$715Turkish Airlines
Tue, May 5 - Tue, May 26

Turkish Airlines flights from Seattle to Bucharest Otopeni Intl Airport

Our best Turkish Airlines deals on Seattle to Bucharest Otopeni Intl Airport flight tickets
Turkish Airlines
Sep 14
SEA7:10 pmSeattle/Tacoma Intl
15h 05m
1 stop
OTP8:15 pmBucharest Otopeni Intl
Oct 14
OTP9:30 amBucharest Otopeni Intl
17h 45m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$624
Turkish Airlines
Sep 15
SEA7:10 pmSeattle/Tacoma Intl
15h 05m
1 stop
OTP8:15 pmBucharest Otopeni Intl
Sep 24
OTP3:55 pmBucharest Otopeni Intl
35h 20m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$627
Turkish Airlines
May 3
SEA7:10 pmSeattle/Tacoma Intl
15h 00m
1 stop
OTP8:10 pmBucharest Otopeni Intl
May 27
OTP9:30 amBucharest Otopeni Intl
17h 45m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$685

United Airlines flights from Seattle to Bucharest Otopeni Intl Airport

Our best United Airlines deals on Seattle to Bucharest Otopeni Intl Airport flight tickets
United Airlines
Sep 27
SEA6:50 pmSeattle/Tacoma Intl
20h 20m
1 stop
OTP1:10 amBucharest Otopeni Intl
Oct 1
OTP12:45 pmBucharest Otopeni Intl
14h 14m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$787
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
16h 15m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$788
United Airlines
Sep 27
SEA11:00 amSeattle/Tacoma Intl
28h 10m
2 stops
OTP1:10 amBucharest Otopeni Intl
Oct 1
OTP6:05 amBucharest Otopeni Intl
18h 17m
2 stops
SEA2:22 pmSeattle/Tacoma Intl
$792

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Bucharest Otopeni Intl Airport 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 April 14, 2026.
Use the filters below to find and compare flights from Seattle to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 9/14

7:10 pm-8:15 pm

1 stop15h 05m

Bucharest Otopeni Intl

Wed 10/14

9:30 am-5:15 pm

1 stop17h 45m

$624

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 9/15

7:10 pm-8:15 pm

1 stop15h 05m

Bucharest Otopeni Intl

Thu 9/24

3:55 pm-5:15 pm

1 stop35h 20m

$627
Quickest round-trip

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 5/3

7:10 pm-8:10 pm

1 stop15h 00m

Bucharest Otopeni Intl

Wed 5/27

9:30 am-5:15 pm

1 stop17h 45m

$685

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 5/3

7:10 pm-12:05 pm

1 stop30h 55m

Bucharest Otopeni Intl

Wed 6/3

9:30 am-5:15 pm

1 stop17h 45m

$687

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 4/28

7:10 pm-8:10 pm

1 stop15h 00m

Bucharest Otopeni Intl

Tue 5/26

9:30 am-5:15 pm

1 stop17h 45m

$692

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 9/14

7:10 pm-2:35 pm

1 stop33h 25m

Bucharest Otopeni Intl

Wed 10/14

12:40 pm-5:15 pm

2 stops38h 35m

$696

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 9/15

7:10 pm-6:40 am

2 stops25h 30m

Bucharest Otopeni Intl

Thu 9/24

7:35 am-5:15 pm

1 stop19h 40m

$697

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 8/16

7:10 pm-8:15 pm

1 stop15h 05m

Bucharest Otopeni Intl

Sun 9/6

9:35 pm-10:40 am

1 stop23h 05m

$705

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 5/3

7:10 pm-1:00 am

1 stop19h 50m

Bucharest Otopeni Intl

Wed 5/27

5:05 pm-5:15 pm

2 stops34h 10m

$714

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 5/5

7:10 pm-8:10 am

1 stop27h 00m

Bucharest Otopeni Intl

Tue 5/26

9:30 am-5:15 pm

1 stop17h 45m

$715

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 Otopeni Intl Airport

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 Otopeni Intl Airport?

What is the cheapest month to fly to Bucharest Otopeni Intl Airport?

If you aren’t able to travel during the month of January, then book flights to Bucharest Otopeni Intl Airport from Seattle during October instead. Flights to Bucharest Otopeni Intl Airport in October, while not as cheap as those in January, still average around $596.

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

You are more likely to see cheaper flights to Bucharest Otopeni Intl Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest Otopeni Intl Airport for around $820 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest Otopeni Intl Airport from Seattle for as low as $594 on momondo.

Can stopping save me money on Seattle to Bucharest Otopeni Intl Airport flights?

You could potentially save up to 29% on your flight if you consider stops on a Seattle to Bucharest Otopeni Intl Airport flight.

How have Seattle to Bucharest Otopeni Intl Airport flight prices changed over time?

When to book flights from Seattle to Bucharest Otopeni Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Bucharest Otopeni Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Bucharest Otopeni Intl Airport (SEA to OTP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Bucharest Otopeni Intl Airport

Fastest flight time

15h 05m

Direct flights

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

Frequently asked questions about flying from Seattle to Bucharest Otopeni Intl Airport

  • How far is Seattle/Tacoma Intl to Bucharest Otopeni Intl by plane?

    There are 5781.4 mi between Seattle/Tacoma Intl and Bucharest Otopeni Intl. A reasonable flight in good conditions will take 15h 05m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Bucharest Otopeni Intl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Bucharest Otopeni Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Bucharest Otopeni Intl Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Bucharest Otopeni Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Bucharest Otopeni Intl Airport.

  • What documentation or ID do you need to fly to Bucharest Otopeni Intl Airport?

    The travel and health documents you'll need for your trip to Bucharest Otopeni Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bucharest Otopeni Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Bucharest Otopeni Intl Airport?

Best airlines flying from Seattle to Bucharest Otopeni Intl Airport

Compare and see reviews for airlines that fly from Seattle to Bucharest Otopeni Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $539Free CancellationRating
6.7
7,885 reviews
Search British Airways flights
LufthansaPriceFrom $548Free CancellationRating
6.8
7,922 reviews
Search Lufthansa flights
KLMPriceFrom $552Free CancellationRating
7.8
1,499 reviews
Search KLM flights
Turkish AirlinesPriceFrom $587Free CancellationRating
7.3
4,304 reviews
Search Turkish Airlines flights
Air FrancePriceFrom $746Free CancellationRating
7.4
1,569 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?

It is quick and easy to find Seattle to Bucharest flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bucharest that suits you.

Can I find flights from Seattle to Bucharest with flexible booking policies on momondo?

All flight searches from Seattle to Bucharest on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Bucharest?

momondo helps you find the best flight between Seattle and Bucharest by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Bucharest right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Bucharest now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Bucharest and let you know when they change.

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