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Cheap flights from Seattle to Bucharest from $241

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 8/16. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
2:50 pm - 6:35 pm
SEA
-
OTP
17h 45m
1 stop
Lufthansa Logo
6:05 am - 11:55 am
OTP
-
SEA
15h 50m
1 stop
$731Lufthansa
Wed, Dec 9 - Wed, Apr 7
Lufthansa Logo
6:50 pm - 6:35 pm
SEA
-
OTP
13h 45m
1 stop
Lufthansa Logo
6:05 am - 12:20 pm
OTP
-
SEA
16h 15m
1 stop
$745Lufthansa
Tue, Oct 13 - Tue, Oct 20
Lufthansa Logo
2:00 pm - 1:55 pm
SEA
-
OTP
13h 55m
1 stop
Lufthansa Logo
6:00 am - 12:00 pm
OTP
-
SEA
16h 00m
1 stop
$746Lufthansa
Mon, Nov 16 - Thu, Nov 19
Multiple Airlines Logo
2:05 pm - 3:50 pm
SEA
-
OTP
15h 45m
1 stop
Multiple Airlines Logo
4:50 pm - 11:33 am
OTP
-
SEA
28h 43m
1 stop
$750Multiple Airlines
Wed, Dec 9 - Tue, Apr 6
Multiple Airlines Logo
2:50 pm - 6:35 pm
SEA
-
OTP
17h 45m
1 stop
Multiple Airlines Logo
6:15 am - 7:20 pm
OTP
-
SEA
23h 05m
2 stops
$753Multiple Airlines
Wed, Dec 9 - Tue, Apr 6
Delta Logo
6:00 am - 2:10 pm
SEA
-
OTP
22h 10m
2 stops
Delta Logo
6:00 am - 11:47 am
OTP
-
SEA
15h 47m
1 stop
$754Delta
Mon, Nov 16 - Thu, Nov 19
Multiple Airlines Logo
6:35 pm - 2:00 pm
SEA
-
OTP
33h 25m
2 stops
Multiple Airlines Logo
9:30 am - 8:58 pm
OTP
-
SEA
21h 28m
1 stop
$755Multiple Airlines
Sat, Aug 29 - Wed, Oct 7
Scandinavian Airlines Logo
3:55 pm - 11:45 pm
SEA
-
OTP
21h 50m
2 stops
Scandinavian Airlines Logo
4:50 pm - 1:45 pm
OTP
-
SEA
30h 55m
2 stops
$759Scandinavian Airlines
Tue, Sep 1 - Mon, Oct 5
Multiple Airlines Logo
6:35 pm - 2:00 pm
SEA
-
OTP
33h 25m
2 stops
Multiple Airlines Logo
9:30 am - 8:58 pm
OTP
-
SEA
21h 28m
1 stop
$760Multiple Airlines
Sat, Aug 29 - Wed, Oct 7
Multiple Airlines Logo
6:35 pm - 2:00 pm
SEA
-
OTP
33h 25m
2 stops
Multiple Airlines Logo
9:30 am - 8:56 pm
OTP
-
SEA
21h 26m
1 stop
$761Multiple Airlines
Sat, Aug 29 - Fri, Oct 2

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Scandinavian Airlines flights from Seattle to Bucharest Otopeni Intl Airport

Our best Scandinavian Airlines deals on Seattle to Bucharest Otopeni Intl Airport flight tickets
Scandinavian Airlines
Sep 1
SEA3:55 pmSeattle/Tacoma Intl
21h 50m
2 stops
OTP11:45 pmBucharest Otopeni Intl
Oct 5
OTP4:50 pmBucharest Otopeni Intl
30h 55m
2 stops
SEA1:45 pmSeattle/Tacoma Intl
$759
Scandinavian Airlines
Sep 1
SEA3:55 pmSeattle/Tacoma Intl
21h 50m
2 stops
OTP11:45 pmBucharest Otopeni Intl
Oct 5
OTP4:50 pmBucharest Otopeni Intl
30h 55m
2 stops
SEA1:45 pmSeattle/Tacoma Intl
$778
Scandinavian Airlines
Aug 29
SEA3:55 pmSeattle/Tacoma Intl
37h 30m
2 stops
OTP3:25 pmBucharest Otopeni Intl
Oct 5
OTP4:50 pmBucharest Otopeni Intl
30h 55m
2 stops
SEA1:45 pmSeattle/Tacoma Intl
$799

Air Canada flights from Seattle to Bucharest Otopeni Intl Airport

Our best Air Canada deals on Seattle to Bucharest Otopeni Intl Airport flight tickets
Air Canada
Oct 13
SEA7:20 pmSeattle/Tacoma Intl
37h 15m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Oct 20
OTP6:05 amBucharest Otopeni Intl
37h 47m
2 stops
SEA9:52 amSeattle/Tacoma Intl
$770
Air Canada
Nov 16
SEA7:45 amSeattle/Tacoma Intl
24h 50m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Nov 19
OTP6:30 amBucharest Otopeni Intl
25h 27m
3 stops
SEA9:57 pmSeattle/Tacoma Intl
$792
Air Canada
Aug 9
SEA8:00 amSeattle/Tacoma Intl
19h 05m
2 stops
OTP1:05 pmBucharest Otopeni Intl
Aug 25
OTP6:20 amBucharest Otopeni Intl
22h 12m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
$801

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 June 19, 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

Wed 12/9

2:50 pm-6:35 pm

1 stop17h 45m

Bucharest Otopeni Intl

Wed 4/7

6:05 am-11:55 am

1 stop15h 50m

$731

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 10/13

6:50 pm-6:35 pm

1 stop13h 45m

Bucharest Otopeni Intl

Tue 10/20

6:05 am-12:20 pm

1 stop16h 15m

$745
Quickest round-trip

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 11/16

2:00 pm-1:55 pm

1 stop13h 55m

Bucharest Otopeni Intl

Thu 11/19

6:00 am-12:00 pm

1 stop16h 00m

$746

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 12/9

2:05 pm-3:50 pm

1 stop15h 45m

Bucharest Otopeni Intl

Tue 4/6

4:50 pm-11:33 am

1 stop28h 43m

$750

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 12/9

2:50 pm-6:35 pm

1 stop17h 45m

Bucharest Otopeni Intl

Tue 4/6

6:15 am-7:20 pm

2 stops23h 05m

$753

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 11/16

6:00 am-2:10 pm

2 stops22h 10m

Bucharest Otopeni Intl

Thu 11/19

6:00 am-11:47 am

1 stop15h 47m

$754

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 8/29

6:35 pm-2:00 pm

2 stops33h 25m

Bucharest Otopeni Intl

Wed 10/7

9:30 am-8:58 pm

1 stop21h 28m

$755

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 9/1

3:55 pm-11:45 pm

2 stops21h 50m

Bucharest Otopeni Intl

Mon 10/5

4:50 pm-1:45 pm

2 stops30h 55m

$759

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 8/29

6:35 pm-2:00 pm

2 stops33h 25m

Bucharest Otopeni Intl

Wed 10/7

9:30 am-8:58 pm

1 stop21h 28m

$760

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 8/29

6:35 pm-2:00 pm

2 stops33h 25m

Bucharest Otopeni Intl

Fri 10/2

9:30 am-8:56 pm

1 stop21h 26m

$761

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 October, then book flights to Bucharest Otopeni Intl Airport from Seattle during January instead. Flights to Bucharest Otopeni Intl Airport in January, while not as cheap as those in October, still average around $608.

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 00m

Direct flights

None
The fastest flight from Seattle to Bucharest Otopeni Intl Airport takes 15h 00m
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 00m.

  • 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
8,055 reviews
Search British Airways flights
LufthansaPriceFrom $548Free CancellationRating
6.8
8,082 reviews
Search Lufthansa flights
KLMPriceFrom $552Free CancellationRating
7.8
1,530 reviews
Search KLM flights
Turkish AirlinesPriceFrom $587Free CancellationRating
7.4
4,410 reviews
Search Turkish Airlines flights
Air FrancePriceFrom $748Free CancellationRating
7.4
1,610 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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