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Cheap flights from Bucharest Otopeni Intl Airport to Seattle from $455

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bucharest Otopeni Intl Airport to Seattle departing on 10/13. 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 Bucharest Otopeni Intl Airport to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:55 am - 5:55 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
22h 00m2 stops Berlin Brandenburg Reykjavik Keflavik Intl
Multiple Airlines Logo
3:40 pm - 7:15 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
17h 35m2 stops Reykjavik Keflavik Intl Berlin Brandenburg
$826Multiple Airlines
Wed, Sep 30 - Wed, Oct 7
Qatar Airways Logo
5:10 pm - 12:45 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
29h 35m1 stop Doha Hamad Intl
Qatar Airways Logo
4:25 pm - 7:45 amSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
29h 20m1 stop Doha Hamad Intl
$827Qatar Airways
Thu, Sep 10 - Thu, Sep 24
Qatar Airways Logo
5:10 pm - 12:45 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
29h 35m1 stop Doha Hamad Intl
Qatar Airways Logo
4:25 pm - 7:45 amSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
29h 20m1 stop Doha Hamad Intl
$829Qatar Airways
Thu, Sep 10 - Thu, Sep 24
Qatar Airways Logo
5:10 pm - 12:45 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
29h 35m1 stop Doha Hamad Intl
Qatar Airways Logo
4:25 pm - 7:45 amSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
29h 20m1 stop Doha Hamad Intl
$831Qatar Airways
Thu, Sep 10 - Thu, Sep 24
Qatar Airways Logo
5:10 pm - 12:45 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
29h 35m1 stop Doha Hamad Intl
Qatar Airways Logo
4:25 pm - 7:45 amSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
29h 20m1 stop Doha Hamad Intl
$832Qatar Airways
Thu, Sep 10 - Thu, Sep 24
Qatar Airways Logo
5:10 pm - 12:45 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
29h 35m1 stop Doha Hamad Intl
Qatar Airways Logo
4:25 pm - 7:45 amSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
29h 20m1 stop Doha Hamad Intl
$832Qatar Airways
Thu, Sep 17 - Thu, Oct 1
Qatar Airways Logo
10:40 am - 12:45 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
36h 05m1 stop Doha Hamad Intl
Qatar Airways Logo
4:25 pm - 2:15 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
35h 50m1 stop Doha Hamad Intl
$835Qatar Airways
Sun, Sep 13 - Mon, Sep 28
Qatar Airways Logo
5:10 pm - 12:45 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
29h 35m1 stop Doha Hamad Intl
Qatar Airways Logo
4:25 pm - 7:45 amSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
29h 20m1 stop Doha Hamad Intl
$839Qatar Airways
Sun, Sep 13 - Mon, Sep 28
Turkish Airlines Logo
3:55 pm - 10:56 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
41h 01m2 stops Istanbul Chicago O'Hare Intl
Turkish Airlines Logo
7:05 pm - 8:25 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
15h 20m1 stop Istanbul
$1,018Turkish Airlines
Fri, Oct 9 - Wed, Dec 16
Turkish Airlines Logo
9:35 pm - 10:56 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
35h 21m2 stops Istanbul Chicago O'Hare Intl
Turkish Airlines Logo
10:42 am - 8:15 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
23h 33m2 stops Chicago O'Hare Intl Istanbul
$1,042Turkish Airlines
Thu, Oct 15 - Mon, Oct 19

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Delta flights from Bucharest Otopeni Intl Airport to Seattle

Our best Delta deals on Bucharest Otopeni Intl Airport to Seattle flight tickets
Delta
Oct 9
OTP7:05 amBucharest Otopeni Intl
14h 47m
1 stop
SEA11:52 amSeattle/Tacoma Intl
Dec 13
SEA6:00 amSeattle/Tacoma Intl
22h 10m
2 stops
OTP2:10 pmBucharest Otopeni Intl
$1,003
Delta
Sep 26
OTP7:05 amBucharest Otopeni Intl
14h 42m
1 stop
SEA11:47 amSeattle/Tacoma Intl
Oct 11
SEA6:00 amSeattle/Tacoma Intl
20h 45m
2 stops
OTP12:45 pmBucharest Otopeni Intl
$1,006
Delta
Sep 26
OTP7:05 amBucharest Otopeni Intl
14h 42m
1 stop
SEA11:47 amSeattle/Tacoma Intl
Oct 11
SEA6:00 amSeattle/Tacoma Intl
20h 45m
2 stops
OTP12:45 pmBucharest Otopeni Intl
$1,008

Turkish Airlines flights from Bucharest Otopeni Intl Airport to Seattle

Our best Turkish Airlines deals on Bucharest Otopeni Intl Airport to Seattle flight tickets
Turkish Airlines
Oct 9
OTP3:55 pmBucharest Otopeni Intl
41h 01m
2 stops
SEA10:56 pmSeattle/Tacoma Intl
Dec 16
SEA7:05 pmSeattle/Tacoma Intl
15h 20m
1 stop
OTP8:25 pmBucharest Otopeni Intl
$1,018
Turkish Airlines
Aug 21
OTP8:45 pmBucharest Otopeni Intl
23h 55m
1 stop
SEA10:40 amSeattle/Tacoma Intl
Aug 29
SEA12:35 pmSeattle/Tacoma Intl
21h 45m
1 stop
OTP8:20 pmBucharest Otopeni Intl
$3,245
Turkish Airlines
Aug 21
OTP8:10 amBucharest Otopeni Intl
36h 30m
1 stop
SEA10:40 amSeattle/Tacoma Intl
Aug 29
SEA12:35 pmSeattle/Tacoma Intl
26h 25m
1 stop
OTP1:00 amBucharest Otopeni Intl
$3,248

momondo Fare Finder

 
Customize your flight search to find flights from Bucharest Otopeni Intl Airport to Seattle 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 August 17, 2026.
Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BucharestSeattle

OTP Bucharest Otopeni Intl - SEA Seattle/Tacoma Intl

OTPSEA

Bucharest Otopeni Intl

Wed 9/30

5:55 am-5:55 pm

2 stops22h 00m

Seattle/Tacoma Intl

Wed 10/7

3:40 pm-7:15 pm

2 stops17h 35m

$826

BucharestSeattle

OTP Bucharest Otopeni Intl - SEA Seattle/Tacoma Intl

OTPSEA

Bucharest Otopeni Intl

Thu 9/10

5:10 pm-12:45 pm

1 stop29h 35m

Seattle/Tacoma Intl

Thu 9/24

4:25 pm-7:45 am

1 stop29h 20m

$827

BucharestSeattle

OTP Bucharest Otopeni Intl - SEA Seattle/Tacoma Intl

OTPSEA

Bucharest Otopeni Intl

Thu 9/10

5:10 pm-12:45 pm

1 stop29h 35m

Seattle/Tacoma Intl

Thu 9/24

4:25 pm-7:45 am

1 stop29h 20m

$829

BucharestSeattle

OTP Bucharest Otopeni Intl - SEA Seattle/Tacoma Intl

OTPSEA

Bucharest Otopeni Intl

Thu 9/10

5:10 pm-12:45 pm

1 stop29h 35m

Seattle/Tacoma Intl

Thu 9/24

4:25 pm-7:45 am

1 stop29h 20m

$831

BucharestSeattle

OTP Bucharest Otopeni Intl - SEA Seattle/Tacoma Intl

OTPSEA

Bucharest Otopeni Intl

Thu 9/10

5:10 pm-12:45 pm

1 stop29h 35m

Seattle/Tacoma Intl

Thu 9/24

4:25 pm-7:45 am

1 stop29h 20m

$832

BucharestSeattle

OTP Bucharest Otopeni Intl - SEA Seattle/Tacoma Intl

OTPSEA

Bucharest Otopeni Intl

Thu 9/17

5:10 pm-12:45 pm

1 stop29h 35m

Seattle/Tacoma Intl

Thu 10/1

4:25 pm-7:45 am

1 stop29h 20m

$832

BucharestSeattle

OTP Bucharest Otopeni Intl - SEA Seattle/Tacoma Intl

OTPSEA

Bucharest Otopeni Intl

Sun 9/13

10:40 am-12:45 pm

1 stop36h 05m

Seattle/Tacoma Intl

Mon 9/28

4:25 pm-2:15 pm

1 stop35h 50m

$835

BucharestSeattle

OTP Bucharest Otopeni Intl - SEA Seattle/Tacoma Intl

OTPSEA

Bucharest Otopeni Intl

Sun 9/13

5:10 pm-12:45 pm

1 stop29h 35m

Seattle/Tacoma Intl

Mon 9/28

4:25 pm-7:45 am

1 stop29h 20m

$839

BucharestSeattle

OTP Bucharest Otopeni Intl - SEA Seattle/Tacoma Intl

OTPSEA

Bucharest Otopeni Intl

Fri 10/9

3:55 pm-10:56 pm

2 stops41h 01m

Seattle/Tacoma Intl

Wed 12/16

7:05 pm-8:25 pm

1 stop15h 20m

$1,018

BucharestSeattle

OTP Bucharest Otopeni Intl - SEA Seattle/Tacoma Intl

OTPSEA

Bucharest Otopeni Intl

Thu 10/15

9:35 pm-10:56 pm

2 stops35h 21m

Seattle/Tacoma Intl

Mon 10/19

10:42 am-8:15 pm

2 stops23h 33m

$1,042

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 Seattle from

How to get the cheapest flight ticket from Bucharest Otopeni Intl Airport to Seattle

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 Bucharest Otopeni Intl Airport and Seattle?

Prices are currently low for flights on this route.

Typical prices usually range from $1,008 to $1,208.
The lowest price recently found on this route was $826.

What is the cheapest month to fly to Seattle?

In general, December is the cheapest month to fly from Bucharest Otopeni Intl Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $813. If you don’t want to visit Seattle in December, then you should wait until February to fly from Bucharest Otopeni Intl Airport, when ticket prices are also cheap, with an average price of $875.

When to book flights from Bucharest Otopeni Intl Airport to Seattle

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

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

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

Fastest flight time

14h 32m

Direct flights

None
The fastest flight from Bucharest Otopeni Intl Airport to Seattle takes 14h 32m
There are no direct flights from Bucharest Otopeni Intl Airport to Seattle. There are no popular flight routes from Bucharest Otopeni Intl Airport to Seattle.
Search flight deals

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

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

    The distance between Bucharest Otopeni Intl and Seattle/Tacoma Intl is about 5781.4 mi. A reasonable flight in good conditions will take 14h 32m.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bucharest Otopeni Intl Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Bucharest Otopeni Intl Airport to Seattle

Compare and see reviews for airlines that fly from Bucharest Otopeni Intl Airport to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $850Free CancellationRating
7.4
4,472 reviews
Search Turkish Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Kent
Lynnwood
Redmond
Lakewood
Federal Way
Puyallup
Tukwila
Fife
Cle Elum
Marysville
Kirkland
Centralia
Shoreline
Lacey

Why use momondo?

Why should I use momondo to find a flight deal from Bucharest to Seattle?

It is quick and easy to find Bucharest to Seattle 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 Seattle that suits you.

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

Yes. All flights to Seattle from Bucharest on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Bucharest.

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

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

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