Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Bucharest from $292

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 2/5. 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
6:50 pm - 8:00 pmSEA-OTP
15h 10m1 stop
British Airways Logo
8:00 am - 4:55 pmOTP-SEA
18h 55m1 stop
$495British Airways
Find Deal
Wed, Feb 11 - Thu, Feb 19
Multiple Airlines Logo
2:00 pm - 2:10 pmSEA-OTP
14h 10m1 stop
Multiple Airlines Logo
6:55 am - 8:57 pmOTP-SEA
24h 02m2 stops
$500Multiple Airlines
Find Deal
Fri, Jan 9 - Fri, Jan 16
British Airways Logo
6:50 pm - 3:30 pmSEA-OTP
34h 40m1 stop
British Airways Logo
4:00 pm - 4:55 pmOTP-SEA
34h 55m1 stop
$501British Airways
Find Deal
Sun, Jan 11 - Mon, Jan 19
Delta Logo
2:15 pm - 10:50 pmSEA-OTP
22h 35m1 stop
Delta Logo
1:55 pm - 11:40 amOTP-SEA
31h 45m1 stop
$503Delta
Find Deal
Mon, Feb 16 - Mon, Feb 23
Delta Logo
1:40 pm - 10:50 pmSEA-OTP
23h 10m1 stop
Delta Logo
1:55 pm - 11:40 amOTP-SEA
31h 45m1 stop
$505Delta
Find Deal
Tue, Feb 17 - Mon, Feb 23
British Airways Logo
6:50 pm - 8:00 pmSEA-OTP
15h 10m1 stop
British Airways Logo
8:00 am - 4:55 pmOTP-SEA
18h 55m1 stop
$506British Airways
Find Deal
Wed, Feb 11 - Fri, Feb 20
British Airways Logo
6:50 pm - 8:00 pmSEA-OTP
15h 10m1 stop
British Airways Logo
8:00 am - 4:55 pmOTP-SEA
18h 55m1 stop
$507British Airways
Find Deal
Wed, Feb 11 - Fri, Feb 20
Delta Logo
9:55 pm - 12:05 pmSEA-OTP
28h 10m2 stops
Delta Logo
1:55 pm - 11:40 amOTP-SEA
31h 45m1 stop
$508Delta
Find Deal
Mon, Feb 16 - Mon, Feb 23
Delta Logo
7:10 am - 1:00 pmSEA-OTP
19h 50m2 stops
Delta Logo
1:55 pm - 11:40 amOTP-SEA
31h 45m1 stop
$509Delta
Find Deal
Wed, Feb 11 - Mon, Feb 23
Delta Logo
7:10 am - 1:00 pmSEA-OTP
19h 50m2 stops
Delta Logo
1:55 pm - 11:40 amOTP-SEA
31h 45m1 stop
$510Delta
Find Deal
Wed, Feb 11 - Wed, Feb 18

British Airways flights from Seattle to Bucharest Otopeni Intl Airport

Our best British Airways deals on Seattle to Bucharest Otopeni Intl Airport flight tickets
British Airways
Jan 11
SEA6:50 pmSeattle/Tacoma Intl
34h 40m
1 stop
OTP3:30 pmBucharest Otopeni Intl
Jan 19
OTP4:00 pmBucharest Otopeni Intl
34h 55m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$501
Find similar
British Airways
Feb 11
SEA6:50 pmSeattle/Tacoma Intl
15h 10m
1 stop
OTP8:00 pmBucharest Otopeni Intl
Feb 18
OTP3:50 pmBucharest Otopeni Intl
35h 05m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$506
Find similar
British Airways
Feb 11
SEA6:50 pmSeattle/Tacoma Intl
15h 10m
1 stop
OTP8:00 pmBucharest Otopeni Intl
Feb 18
OTP8:05 amBucharest Otopeni Intl
18h 50m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$507
Find similar

Delta flights from Seattle to Bucharest Otopeni Intl Airport

Our best Delta deals on Seattle to Bucharest Otopeni Intl Airport flight tickets
Delta
Feb 15
SEA2:15 pmSeattle/Tacoma Intl
22h 35m
1 stop
OTP10:50 pmBucharest Otopeni Intl
Feb 24
OTP6:00 amBucharest Otopeni Intl
15h 40m
1 stop
SEA11:40 amSeattle/Tacoma Intl
$503
Find similar
Delta
Feb 17
SEA2:00 pmSeattle/Tacoma Intl
22h 50m
2 stops
OTP10:50 pmBucharest Otopeni Intl
Feb 23
OTP1:55 pmBucharest Otopeni Intl
31h 45m
1 stop
SEA11:40 amSeattle/Tacoma Intl
$505
Find similar
Delta
Feb 16
SEA9:55 pmSeattle/Tacoma Intl
28h 10m
2 stops
OTP12:05 pmBucharest Otopeni Intl
Feb 23
OTP1:55 pmBucharest Otopeni Intl
31h 45m
1 stop
SEA11:40 amSeattle/Tacoma Intl
$508
Find similar

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 November 26, 2025.
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

Wed 2/11

6:50 pm-8:00 pm

1 stop15h 10m

Bucharest Otopeni Intl

Thu 2/19

8:00 am-4:55 pm

1 stop18h 55m

$495

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Fri 1/9

2:00 pm-2:10 pm

1 stop14h 10m

Bucharest Otopeni Intl

Fri 1/16

6:55 am-8:57 pm

2 stops24h 02m

$500

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 1/11

6:50 pm-3:30 pm

1 stop34h 40m

Bucharest Otopeni Intl

Mon 1/19

4:00 pm-4:55 pm

1 stop34h 55m

$501

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 2/16

2:15 pm-10:50 pm

1 stop22h 35m

Bucharest Otopeni Intl

Mon 2/23

1:55 pm-11:40 am

1 stop31h 45m

$503

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 2/17

1:40 pm-10:50 pm

1 stop23h 10m

Bucharest Otopeni Intl

Mon 2/23

1:55 pm-11:40 am

1 stop31h 45m

$505

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 2/11

6:50 pm-8:00 pm

1 stop15h 10m

Bucharest Otopeni Intl

Fri 2/20

8:00 am-4:55 pm

1 stop18h 55m

$506

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 2/11

6:50 pm-8:00 pm

1 stop15h 10m

Bucharest Otopeni Intl

Fri 2/20

8:00 am-4:55 pm

1 stop18h 55m

$507

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 2/16

9:55 pm-12:05 pm

2 stops28h 10m

Bucharest Otopeni Intl

Mon 2/23

1:55 pm-11:40 am

1 stop31h 45m

$508

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 2/11

7:10 am-1:00 pm

2 stops19h 50m

Bucharest Otopeni Intl

Mon 2/23

1:55 pm-11:40 am

1 stop31h 45m

$509

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 2/11

7:10 am-1:00 pm

2 stops19h 50m

Bucharest Otopeni Intl

Wed 2/18

1:55 pm-11:40 am

1 stop31h 45m

$510

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 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 October, then book flights to Bucharest Otopeni Intl Airport from Seattle during September instead. Flights to Bucharest Otopeni Intl Airport in September, while not as cheap as those in October, still average around $680.

What is the cheapest day to depart on your flight to Bucharest Otopeni Intl Airport?

Our data shows that Sunday is the least expensive day to fly to Bucharest Otopeni Intl Airport. Tickets to fly out on this day can be as low as $879. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Bucharest Otopeni Intl Airport for around $1,246.

What is the cheapest time of day to depart on your flight to Bucharest Otopeni Intl Airport?

Our most recent data shows that the best time of day to fly to Bucharest Otopeni Intl Airport is in the morning. Flights from Seattle to Bucharest Otopeni Intl Airport during this time can be as low as $812. In the evening is when there is more demand to fly to Bucharest Otopeni Intl Airport, so prices are often more expensive at around $2,198 per ticket.

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 $956 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 $617 on momondo.

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

You could potentially save up to 53% 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 30m

Direct flights

None
The fastest flight from Seattle to Bucharest Otopeni Intl Airport takes 15h 30m
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 14h 10m.

  • 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
LufthansaPriceFrom $581Free CancellationRating
6.8
7,594 reviews
Search Lufthansa flights
United AirlinesPriceFrom $585Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $596Free CancellationRating
7.3
4,059 reviews
Search Turkish Airlines flights
KLMPriceFrom $656Free CancellationRating
7.7
1,422 reviews
Search KLM flights
DeltaPriceFrom $772Free CancellationRating
7.9
7,998 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.

An easier way to manage your Bucharest Otopeni Intl Airport 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
Fri 12/26
Fri 1/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bucharest