Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Bucharest from $319

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 7/30. 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.
Multiple Airlines Logo
8:00 am - 7:00 pm
SEA
-
OTP
25h 00m
2 stops
Multiple Airlines Logo
8:50 pm - 9:07 pm
OTP
-
SEA
34h 17m
3 stops
$637Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
2:10 pm - 12:35 am
SEA
-
OTP
24h 25m
2 stops
Multiple Airlines Logo
6:45 pm - 4:59 pm
OTP
-
SEA
32h 14m
2 stops
$720Multiple Airlines
Tue, Aug 11 - Tue, Aug 18
Multiple Airlines Logo
10:45 am - 12:35 am
SEA
-
OTP
27h 50m
3 stops
Multiple Airlines Logo
4:50 pm - 4:59 pm
OTP
-
SEA
34h 09m
3 stops
$724Multiple Airlines
Tue, Aug 11 - Tue, Aug 18
Multiple Airlines Logo
8:00 am - 1:50 am
SEA
-
OTP
31h 50m
3 stops
Multiple Airlines Logo
8:50 pm - 9:07 pm
OTP
-
SEA
34h 17m
3 stops
$734Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Turkish Airlines Logo
7:15 pm - 8:10 am
SEA
-
OTP
26h 55m
1 stop
Turkish Airlines Logo
3:55 pm - 5:20 pm
OTP
-
SEA
35h 25m
1 stop
$746Turkish Airlines
Thu, Sep 17 - Thu, Sep 24
Turkish Airlines Logo
7:15 pm - 2:35 pm
SEA
-
OTP
33h 20m
1 stop
Turkish Airlines Logo
12:05 pm - 5:20 pm
OTP
-
SEA
15h 15m
1 stop
$748Turkish Airlines
Thu, Oct 1 - Thu, Oct 8
Turkish Airlines Logo
7:15 pm - 2:35 pm
SEA
-
OTP
33h 20m
1 stop
Turkish Airlines Logo
10:10 am - 6:10 pm
OTP
-
SEA
17h 00m
1 stop
$750Turkish Airlines
Tue, Oct 13 - Thu, Oct 29
Multiple Airlines Logo
3:00 pm - 6:35 pm
SEA
-
OTP
17h 35m
2 stops
Multiple Airlines Logo
6:00 am - 1:00 pm
OTP
-
SEA
16h 00m
1 stop
$751Multiple Airlines
Tue, Oct 13 - Thu, Oct 29
Multiple Airlines Logo
2:10 pm - 12:35 am
SEA
-
OTP
24h 25m
2 stops
Multiple Airlines Logo
6:30 pm - 4:59 pm
OTP
-
SEA
32h 29m
3 stops
$754Multiple Airlines
Tue, Aug 11 - Tue, Aug 18
Multiple Airlines Logo
6:50 pm - 1:10 am
SEA
-
OTP
20h 20m
1 stop
Multiple Airlines Logo
4:40 pm - 10:53 pm
OTP
-
SEA
40h 13m
2 stops
$757Multiple Airlines
Wed, Oct 21 - Mon, Nov 2

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

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 17
SEA7:15 pmSeattle/Tacoma Intl
26h 55m
1 stop
OTP8:10 amBucharest Otopeni Intl
Sep 24
OTP3:55 pmBucharest Otopeni Intl
35h 25m
1 stop
SEA5:20 pmSeattle/Tacoma Intl
$746
Turkish Airlines
Oct 1
SEA7:15 pmSeattle/Tacoma Intl
33h 20m
1 stop
OTP2:35 pmBucharest Otopeni Intl
Oct 8
OTP12:05 pmBucharest Otopeni Intl
15h 15m
1 stop
SEA5:20 pmSeattle/Tacoma Intl
$748
Turkish Airlines
Oct 13
SEA7:15 pmSeattle/Tacoma Intl
33h 20m
1 stop
OTP2:35 pmBucharest Otopeni Intl
Oct 29
OTP10:10 amBucharest Otopeni Intl
17h 00m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
$750

Lufthansa flights from Seattle to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on Seattle to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
Aug 12
SEA1:57 pmSeattle/Tacoma Intl
18h 38m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Sep 2
OTP6:05 amBucharest Otopeni Intl
15h 50m
1 stop
SEA11:55 amSeattle/Tacoma Intl
$816
Lufthansa
Aug 12
SEA6:50 pmSeattle/Tacoma Intl
20h 20m
1 stop
OTP1:10 amBucharest Otopeni Intl
Sep 2
OTP6:05 amBucharest Otopeni Intl
15h 50m
1 stop
SEA11:55 amSeattle/Tacoma Intl
$819
Lufthansa
Aug 12
SEA1:57 pmSeattle/Tacoma Intl
18h 38m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Sep 2
OTP12:45 pmBucharest Otopeni Intl
19h 58m
2 stops
SEA10:43 pmSeattle/Tacoma Intl
$824

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 July 4, 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 8/17

8:00 am-7:00 pm

2 stops25h 00m

Bucharest Otopeni Intl

Mon 8/24

8:50 pm-9:07 pm

3 stops34h 17m

$637

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 8/11

2:10 pm-12:35 am

2 stops24h 25m

Bucharest Otopeni Intl

Tue 8/18

6:45 pm-4:59 pm

2 stops32h 14m

$720

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 8/11

10:45 am-12:35 am

3 stops27h 50m

Bucharest Otopeni Intl

Tue 8/18

4:50 pm-4:59 pm

3 stops34h 09m

$724

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 8/17

8:00 am-1:50 am

3 stops31h 50m

Bucharest Otopeni Intl

Mon 8/24

8:50 pm-9:07 pm

3 stops34h 17m

$734

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Thu 9/17

7:15 pm-8:10 am

1 stop26h 55m

Bucharest Otopeni Intl

Thu 9/24

3:55 pm-5:20 pm

1 stop35h 25m

$746

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Thu 10/1

7:15 pm-2:35 pm

1 stop33h 20m

Bucharest Otopeni Intl

Thu 10/8

12:05 pm-5:20 pm

1 stop15h 15m

$748

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 10/13

7:15 pm-2:35 pm

1 stop33h 20m

Bucharest Otopeni Intl

Thu 10/29

10:10 am-6:10 pm

1 stop17h 00m

$750
Quickest round-trip

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 10/13

3:00 pm-6:35 pm

2 stops17h 35m

Bucharest Otopeni Intl

Thu 10/29

6:00 am-1:00 pm

1 stop16h 00m

$751

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 8/11

2:10 pm-12:35 am

2 stops24h 25m

Bucharest Otopeni Intl

Tue 8/18

6:30 pm-4:59 pm

3 stops32h 29m

$754

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 10/21

6:50 pm-1:10 am

1 stop20h 20m

Bucharest Otopeni Intl

Mon 11/2

4:40 pm-10:53 pm

2 stops40h 13m

$757

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 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

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

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 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
8,095 reviews
Search British Airways flights
LufthansaPriceFrom $548Free CancellationRating
6.8
8,110 reviews
Search Lufthansa flights
KLMPriceFrom $552Free CancellationRating
7.8
1,533 reviews
Search KLM flights
Turkish AirlinesPriceFrom $587Free CancellationRating
7.4
4,437 reviews
Search Turkish Airlines 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
Mon 8/3
Mon 8/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bucharest