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Cheap flights from Bucharest Otopeni Intl Airport to Seattle from $458

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 8/27. 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 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 - 8:40 pm
OTP
-
SEA
24h 45m
2 stops
Multiple Airlines Logo
7:00 pm - 3:10 am
SEA
-
OTP
22h 10m
2 stops
$815Multiple Airlines
Sat, Jun 13 - Sun, Jun 28
Turkish Airlines Logo
9:30 am - 5:20 pm
OTP
-
SEA
17h 50m
1 stop
Turkish Airlines Logo
7:15 pm - 8:15 pm
SEA
-
OTP
15h 00m
1 stop
$909Turkish Airlines
Sat, Jul 4 - Mon, Aug 10
Turkish Airlines Logo
9:30 am - 5:20 pm
OTP
-
SEA
17h 50m
1 stop
Turkish Airlines Logo
7:15 pm - 8:15 pm
SEA
-
OTP
15h 00m
1 stop
$910Turkish Airlines
Sun, Jul 5 - Tue, Aug 11
Turkish Airlines Logo
9:30 am - 5:20 pm
OTP
-
SEA
17h 50m
1 stop
Turkish Airlines Logo
7:15 pm - 8:15 pm
SEA
-
OTP
15h 00m
1 stop
$930Turkish Airlines
Wed, Jul 8 - Tue, Aug 11
Turkish Airlines Logo
9:30 am - 5:20 pm
OTP
-
SEA
17h 50m
1 stop
Turkish Airlines Logo
7:15 pm - 8:15 pm
SEA
-
OTP
15h 00m
1 stop
$931Turkish Airlines
Tue, Jul 7 - Wed, Aug 12
Multiple Airlines Logo
8:10 pm - 6:30 pm
OTP
-
SEA
32h 20m
3 stops
Multiple Airlines Logo
2:10 pm - 3:05 am
SEA
-
OTP
26h 55m
3 stops
$943Multiple Airlines
Sun, Jun 14 - Tue, Jun 30
Turkish Airlines Logo
9:35 pm - 5:15 pm
OTP
-
SEA
29h 40m
1 stop
Turkish Airlines Logo
7:15 pm - 8:10 am
SEA
-
OTP
26h 55m
1 stop
$944Turkish Airlines
Sat, Jun 13 - Sun, Jun 28
Turkish Airlines Logo
9:30 am - 5:20 pm
OTP
-
SEA
17h 50m
1 stop
Turkish Airlines Logo
7:15 pm - 8:15 pm
SEA
-
OTP
15h 00m
1 stop
$948Turkish Airlines
Wed, Jul 8 - Mon, Aug 10
Turkish Airlines Logo
9:30 am - 5:20 pm
OTP
-
SEA
17h 50m
1 stop
Turkish Airlines Logo
12:35 pm - 2:35 pm
SEA
-
OTP
16h 00m
1 stop
$949Turkish Airlines
Tue, Jul 7 - Sat, Aug 15
Multiple Airlines Logo
8:40 am - 8:40 pm
OTP
-
SEA
22h 00m
2 stops
Multiple Airlines Logo
7:00 pm - 3:15 am
SEA
-
OTP
22h 15m
2 stops
$961Multiple Airlines
Thu, Jun 11 - Sun, Jun 21

United Airlines flights from Bucharest Otopeni Intl Airport to Seattle

Our best United Airlines deals on Bucharest Otopeni Intl Airport to Seattle flight tickets
United Airlines
Jul 15
OTP6:05 amBucharest Otopeni Intl
20h 04m
2 stops
SEA4:09 pmSeattle/Tacoma Intl
Aug 24
SEA8:40 amSeattle/Tacoma Intl
23h 55m
2 stops
OTP6:35 pmBucharest Otopeni Intl
$1,037
United Airlines
Jun 11
OTP6:05 amBucharest Otopeni Intl
39h 52m
2 stops
SEA11:57 amSeattle/Tacoma Intl
Jun 23
SEA1:00 pmSeattle/Tacoma Intl
24h 30m
2 stops
OTP11:30 pmBucharest Otopeni Intl
$1,048
United Airlines
Jun 21
OTP6:05 amBucharest Otopeni Intl
16h 15m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
Jul 4
SEA8:15 amSeattle/Tacoma Intl
30h 55m
2 stops
OTP1:10 amBucharest Otopeni Intl
$1,055

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
Jul 4
OTP9:30 amBucharest Otopeni Intl
17h 50m
1 stop
SEA5:20 pmSeattle/Tacoma Intl
Aug 10
SEA7:15 pmSeattle/Tacoma Intl
15h 00m
1 stop
OTP8:15 pmBucharest Otopeni Intl
$909
Turkish Airlines
Jul 5
OTP9:30 amBucharest Otopeni Intl
17h 50m
1 stop
SEA5:20 pmSeattle/Tacoma Intl
Aug 11
SEA7:15 pmSeattle/Tacoma Intl
15h 00m
1 stop
OTP8:15 pmBucharest Otopeni Intl
$910
Turkish Airlines
Jul 8
OTP9:30 amBucharest Otopeni Intl
17h 50m
1 stop
SEA5:20 pmSeattle/Tacoma Intl
Aug 11
SEA7:15 pmSeattle/Tacoma Intl
15h 00m
1 stop
OTP8:15 pmBucharest Otopeni Intl
$930

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 May 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

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sat 6/13

5:55 am-8:40 pm

2 stops24h 45m

Seattle/Tacoma Intl

Sun 6/28

7:00 pm-3:10 am

2 stops22h 10m

$815
Quickest round-trip

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sat 7/4

9:30 am-5:20 pm

1 stop17h 50m

Seattle/Tacoma Intl

Mon 8/10

7:15 pm-8:15 pm

1 stop15h 00m

$909

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sun 7/5

9:30 am-5:20 pm

1 stop17h 50m

Seattle/Tacoma Intl

Tue 8/11

7:15 pm-8:15 pm

1 stop15h 00m

$910

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Wed 7/8

9:30 am-5:20 pm

1 stop17h 50m

Seattle/Tacoma Intl

Tue 8/11

7:15 pm-8:15 pm

1 stop15h 00m

$930

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Tue 7/7

9:30 am-5:20 pm

1 stop17h 50m

Seattle/Tacoma Intl

Wed 8/12

7:15 pm-8:15 pm

1 stop15h 00m

$931

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sun 6/14

8:10 pm-6:30 pm

3 stops32h 20m

Seattle/Tacoma Intl

Tue 6/30

2:10 pm-3:05 am

3 stops26h 55m

$943

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sat 6/13

9:35 pm-5:15 pm

1 stop29h 40m

Seattle/Tacoma Intl

Sun 6/28

7:15 pm-8:10 am

1 stop26h 55m

$944

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Wed 7/8

9:30 am-5:20 pm

1 stop17h 50m

Seattle/Tacoma Intl

Mon 8/10

7:15 pm-8:15 pm

1 stop15h 00m

$948

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Tue 7/7

9:30 am-5:20 pm

1 stop17h 50m

Seattle/Tacoma Intl

Sat 8/15

12:35 pm-2:35 pm

1 stop16h 00m

$949

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 6/11

8:40 am-8:40 pm

2 stops22h 00m

Seattle/Tacoma Intl

Sun 6/21

7:00 pm-3:15 am

2 stops22h 15m

$961

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?

What is the cheapest month to fly to Seattle?

In general, January 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 $851. If you don’t want to visit Seattle in January, 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

17h 50m

Direct flights

None
The fastest flight from Bucharest Otopeni Intl Airport to Seattle takes 17h 50m
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 17h 50m.

  • 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
7.4
4,370 reviews
Search Turkish Airlines flights
DeltaPriceFrom $820Free CancellationRating
7.9
8,449 reviews
Search Delta flights
LufthansaPriceFrom $879Free CancellationRating
6.8
8,007 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
Redmond
Kent
Tukwila
Puyallup
Marysville
Lakewood
Cle Elum
Federal Way
Centralia
Fife
Westport
Shoreline
Tumwater

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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