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Cheap flights from Seattle to Bucharest from $217

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 4/27. 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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Find the cheapest flights from Seattle to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:00 pm - 11:55 pm
SEA
-
OTP
23h 55m
1 stop
Multiple Airlines Logo
4:40 pm - 10:45 pm
OTP
-
SEA
39h 05m
2 stops
$484Multiple Airlines
Mon, Mar 2 - Mon, Mar 16
Lufthansa Logo
2:00 pm - 2:05 pm
SEA
-
OTP
14h 05m
1 stop
Lufthansa Logo
5:55 am - 1:10 pm
OTP
-
SEA
16h 15m
1 stop
$492Lufthansa
Mon, Mar 2 - Mon, Mar 16
British Airways Logo
6:50 pm - 8:05 pm
SEA
-
OTP
15h 15m
1 stop
British Airways Logo
4:40 pm - 4:55 pm
OTP
-
SEA
34h 15m
1 stop
$500British Airways
Wed, Feb 18 - Tue, Feb 24
Lufthansa Logo
3:10 pm - 1:05 am
SEA
-
OTP
23h 55m
1 stop
Lufthansa Logo
6:05 am - 1:20 pm
OTP
-
SEA
17h 15m
1 stop
$503Lufthansa
Wed, Feb 18 - Fri, Feb 27
British Airways Logo
5:37 am - 3:45 pm
SEA
-
OTP
48h 08m
2 stops
British Airways Logo
3:50 pm - 4:55 pm
OTP
-
SEA
35h 05m
1 stop
$505British Airways
Tue, Feb 17 - Wed, Feb 25
Multiple Airlines Logo
8:10 am - 3:50 pm
SEA
-
OTP
22h 40m
2 stops
Multiple Airlines Logo
6:05 am - 2:20 pm
OTP
-
SEA
17h 15m
1 stop
$509Multiple Airlines
Sun, Mar 8 - Sun, Mar 15
British Airways Logo
6:50 pm - 11:30 pm
SEA
-
OTP
18h 40m
1 stop
British Airways Logo
8:00 am - 12:55 am
OTP
-
SEA
26h 55m
2 stops
$510British Airways
Wed, Feb 18 - Fri, Feb 27
Lufthansa Logo
3:10 pm - 6:35 pm
SEA
-
OTP
17h 25m
1 stop
Lufthansa Logo
5:55 am - 1:10 pm
OTP
-
SEA
16h 15m
1 stop
$514Lufthansa
Sun, Mar 1 - Sat, Mar 14
British Airways Logo
1:37 pm - 8:05 pm
SEA
-
OTP
20h 28m
2 stops
British Airways Logo
8:05 am - 9:57 pm
OTP
-
SEA
23h 52m
2 stops
$515British Airways
Wed, Feb 18 - Wed, Feb 25
British Airways Logo
5:37 am - 10:55 pm
SEA
-
OTP
31h 18m
2 stops
British Airways Logo
8:00 am - 12:55 am
OTP
-
SEA
26h 55m
2 stops
$516British Airways
Tue, Feb 17 - Fri, Feb 27

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
Feb 4
SEA7:00 pmSeattle/Tacoma Intl
27h 50m
1 stop
OTP8:50 amBucharest Otopeni Intl
Feb 16
OTP10:10 amBucharest Otopeni Intl
16h 55m
1 stop
SEA5:05 pmSeattle/Tacoma Intl
$617
Turkish Airlines
Jan 29
SEA7:00 pmSeattle/Tacoma Intl
27h 45m
1 stop
OTP8:45 amBucharest Otopeni Intl
Feb 1
OTP3:30 pmBucharest Otopeni Intl
35h 35m
1 stop
SEA5:05 pmSeattle/Tacoma Intl
$661

Lufthansa flights from Seattle to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on Seattle to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
Mar 2
SEA2:00 pmSeattle/Tacoma Intl
14h 05m
1 stop
OTP2:05 pmBucharest Otopeni Intl
Mar 16
OTP5:55 amBucharest Otopeni Intl
16h 15m
1 stop
SEA1:10 pmSeattle/Tacoma Intl
$492
Lufthansa
Feb 18
SEA3:10 pmSeattle/Tacoma Intl
23h 55m
1 stop
OTP1:05 amBucharest Otopeni Intl
Feb 27
OTP6:05 amBucharest Otopeni Intl
17h 15m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$503
Lufthansa
Mar 1
SEA3:10 pmSeattle/Tacoma Intl
17h 25m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Mar 14
OTP5:55 amBucharest Otopeni Intl
16h 15m
1 stop
SEA1:10 pmSeattle/Tacoma Intl
$514

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 January 24, 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

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 3/2

2:00 pm-11:55 pm

1 stop23h 55m

Bucharest Otopeni Intl

Mon 3/16

4:40 pm-10:45 pm

2 stops39h 05m

$484

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 3/2

2:00 pm-2:05 pm

1 stop14h 05m

Bucharest Otopeni Intl

Mon 3/16

5:55 am-1:10 pm

1 stop16h 15m

$492

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 2/18

6:50 pm-8:05 pm

1 stop15h 15m

Bucharest Otopeni Intl

Tue 2/24

4:40 pm-4:55 pm

1 stop34h 15m

$500

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 2/18

3:10 pm-1:05 am

1 stop23h 55m

Bucharest Otopeni Intl

Fri 2/27

6:05 am-1:20 pm

1 stop17h 15m

$503

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 2/17

5:37 am-3:45 pm

2 stops48h 08m

Bucharest Otopeni Intl

Wed 2/25

3:50 pm-4:55 pm

1 stop35h 05m

$505

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 3/8

8:10 am-3:50 pm

2 stops22h 40m

Bucharest Otopeni Intl

Sun 3/15

6:05 am-2:20 pm

1 stop17h 15m

$509

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 2/18

6:50 pm-11:30 pm

1 stop18h 40m

Bucharest Otopeni Intl

Fri 2/27

8:00 am-12:55 am

2 stops26h 55m

$510

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 3/1

3:10 pm-6:35 pm

1 stop17h 25m

Bucharest Otopeni Intl

Sat 3/14

5:55 am-1:10 pm

1 stop16h 15m

$514

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 2/18

1:37 pm-8:05 pm

2 stops20h 28m

Bucharest Otopeni Intl

Wed 2/25

8:05 am-9:57 pm

2 stops23h 52m

$515

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 2/17

5:37 am-10:55 pm

2 stops31h 18m

Bucharest Otopeni Intl

Fri 2/27

8:00 am-12:55 am

2 stops26h 55m

$516

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 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 $624.

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 $829 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 $584 on momondo.

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

You could potentially save up to 37% 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

13h 45m

Direct flights

None
The fastest flight from Seattle to Bucharest Otopeni Intl Airport takes 13h 45m
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

  • 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 13h 45m.

  • 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
7,694 reviews
Search British Airways flights
LufthansaPriceFrom $565Free CancellationRating
6.8
7,744 reviews
Search Lufthansa flights
KLMPriceFrom $584Free CancellationRating
7.7
1,443 reviews
Search KLM flights
United AirlinesPriceFrom $585Free CancellationRating
7.4
9,193 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $587Free CancellationRating
7.3
4,207 reviews
Search Turkish Airlines flights
Air FrancePriceFrom $699Free CancellationRating
7.4
1,523 reviews
Search Air France flights
DeltaPriceFrom $772Free CancellationRating
7.9
8,112 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?

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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