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Cheap flights from Bucharest Otopeni Intl Airport to Seattle from $447

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 11/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
8:35 am - 3:40 pmOTP-SEA
17h 05m1 stop
Multiple Airlines Logo
5:40 pm - 10:50 pmSEA-OTP
19h 10m1 stop
$786Multiple Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
Multiple Airlines Logo
8:35 am - 8:13 pmOTP-SEA
21h 38m2 stops
Multiple Airlines Logo
5:40 pm - 10:50 pmSEA-OTP
19h 10m1 stop
$816Multiple Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
Lufthansa Logo
5:50 am - 6:52 pmOTP-SEA
23h 02m2 stops
Lufthansa Logo
10:53 am - 6:35 pmSEA-OTP
21h 42m2 stops
$836Lufthansa
Find Deal
Thu, Nov 13 - Thu, Nov 27
Lufthansa Logo
7:25 pm - 12:10 pmOTP-SEA
26h 45m1 stop
Lufthansa Logo
10:53 am - 6:35 pmSEA-OTP
21h 42m2 stops
$850Lufthansa
Find Deal
Thu, Nov 13 - Thu, Nov 27
United Airlines Logo
5:50 am - 8:51 pmOTP-SEA
25h 01m3 stops
United Airlines Logo
10:53 am - 6:40 pmSEA-OTP
21h 47m2 stops
$851United Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
Air Canada Logo
6:05 am - 7:18 pmOTP-SEA
23h 13m2 stops
Air Canada Logo
10:10 am - 6:35 pmSEA-OTP
22h 25m2 stops
$861Air Canada
Find Deal
Sat, Apr 11 - Sat, Apr 18
United Airlines Logo
2:45 pm - 12:10 pmOTP-SEA
31h 25m1 stop
United Airlines Logo
7:00 am - 2:05 pmSEA-OTP
21h 05m2 stops
$865United Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
Turkish Airlines Logo
3:30 pm - 5:05 pmOTP-SEA
35h 35m1 stop
Turkish Airlines Logo
7:00 pm - 2:10 pmSEA-OTP
33h 10m1 stop
$963Turkish Airlines
Find Deal
Sat, Dec 20 - Sun, Jan 4
Turkish Airlines Logo
9:50 pm - 5:05 pmOTP-SEA
29h 15m1 stop
Turkish Airlines Logo
7:00 pm - 2:10 pmSEA-OTP
33h 10m1 stop
$968Turkish Airlines
Find Deal
Sat, Dec 20 - Sun, Jan 4
Air Canada Logo
5:50 am - 9:31 amOTP-SEA
37h 41m3 stops
Air Canada Logo
8:00 pm - 6:35 pmSEA-OTP
36h 35m2 stops
$4,110Air Canada
Find Deal
Thu, Nov 13 - Thu, Nov 27

Lufthansa flights from Bucharest Otopeni Intl Airport to Seattle

Our best Lufthansa deals on Bucharest Otopeni Intl Airport to Seattle flight tickets
Lufthansa
Nov 13
OTP5:50 amBucharest Otopeni Intl
23h 02m
2 stops
SEA6:52 pmSeattle/Tacoma Intl
Nov 27
SEA10:53 amSeattle/Tacoma Intl
21h 42m
2 stops
OTP6:35 pmBucharest Otopeni Intl
$836
Find similar
Lufthansa
Nov 13
OTP7:25 pmBucharest Otopeni Intl
26h 45m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
Nov 27
SEA10:53 amSeattle/Tacoma Intl
21h 42m
2 stops
OTP6:35 pmBucharest Otopeni Intl
$850
Find similar
Lufthansa
Nov 13
OTP5:50 amBucharest Otopeni Intl
25h 04m
2 stops
SEA8:54 pmSeattle/Tacoma Intl
Nov 27
SEA7:00 amSeattle/Tacoma Intl
25h 35m
2 stops
OTP6:35 pmBucharest Otopeni Intl
$884
Find similar

Air Canada flights from Bucharest Otopeni Intl Airport to Seattle

Our best Air Canada deals on Bucharest Otopeni Intl Airport to Seattle flight tickets
Air Canada
Apr 11
OTP6:05 amBucharest Otopeni Intl
23h 13m
2 stops
SEA7:18 pmSeattle/Tacoma Intl
Apr 18
SEA10:10 amSeattle/Tacoma Intl
22h 25m
2 stops
OTP6:35 pmBucharest Otopeni Intl
$861
Find similar
Air Canada
Nov 13
OTP5:50 amBucharest Otopeni Intl
37h 41m
3 stops
SEA9:31 amSeattle/Tacoma Intl
Nov 27
SEA8:00 pmSeattle/Tacoma Intl
36h 35m
2 stops
OTP6:35 pmBucharest Otopeni Intl
$4,110
Find similar
Air Canada
Nov 13
OTP5:50 amBucharest Otopeni Intl
37h 41m
3 stops
SEA9:31 amSeattle/Tacoma Intl
Nov 27
SEA8:00 pmSeattle/Tacoma Intl
36h 35m
2 stops
OTP6:35 pmBucharest Otopeni Intl
$4,112
Find similar

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 October 30, 2025.
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

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 11/13

8:35 am-3:40 pm

1 stop17h 05m

Seattle/Tacoma Intl

Thu 11/27

5:40 pm-10:50 pm

1 stop19h 10m

$786

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 11/13

8:35 am-8:13 pm

2 stops21h 38m

Seattle/Tacoma Intl

Thu 11/27

5:40 pm-10:50 pm

1 stop19h 10m

$816

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 11/13

5:50 am-6:52 pm

2 stops23h 02m

Seattle/Tacoma Intl

Thu 11/27

10:53 am-6:35 pm

2 stops21h 42m

$836

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 11/13

7:25 pm-12:10 pm

1 stop26h 45m

Seattle/Tacoma Intl

Thu 11/27

10:53 am-6:35 pm

2 stops21h 42m

$850

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 11/13

5:50 am-8:51 pm

3 stops25h 01m

Seattle/Tacoma Intl

Thu 11/27

10:53 am-6:40 pm

2 stops21h 47m

$851

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sat 4/11

6:05 am-7:18 pm

2 stops23h 13m

Seattle/Tacoma Intl

Sat 4/18

10:10 am-6:35 pm

2 stops22h 25m

$861

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 11/13

2:45 pm-12:10 pm

1 stop31h 25m

Seattle/Tacoma Intl

Thu 11/27

7:00 am-2:05 pm

2 stops21h 05m

$865

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sat 12/20

3:30 pm-5:05 pm

1 stop35h 35m

Seattle/Tacoma Intl

Sun 1/4

7:00 pm-2:10 pm

1 stop33h 10m

$963

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sat 12/20

9:50 pm-5:05 pm

1 stop29h 15m

Seattle/Tacoma Intl

Sun 1/4

7:00 pm-2:10 pm

1 stop33h 10m

$968

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 11/13

5:50 am-9:31 am

3 stops37h 41m

Seattle/Tacoma Intl

Thu 11/27

8:00 pm-6:35 pm

2 stops36h 35m

$4,110

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 cheapest month to fly to Seattle?

In general, February 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 $811. If you don’t want to visit Seattle in February, then you should wait until April to fly from Bucharest Otopeni Intl Airport, when ticket prices are also cheap, with an average price of $814.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Bucharest Otopeni Intl Airport is on a Saturday. momondo users have found tickets for Saturday departures for as low as $918. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Bucharest Otopeni Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $992.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Bucharest Otopeni Intl Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $842 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $940. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights

None
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.
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  • 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 15h 20m.

  • 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 $790Free CancellationRating
7.3
4,031 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $808Free CancellationRating
6.8
7,541 reviews
Search Lufthansa 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
Lynnwood
Kent
Puyallup
Marysville
Redmond
Tukwila
Federal Way
Lakewood
Cle Elum
Fife
Centralia
Kirkland
Shoreline
Westport

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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