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Cheap flights from Bucharest Otopeni Intl Airport to Seattle from $405

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 4/24. 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.
Qatar Airways Logo
5:10 pm - 12:45 pm
OTP
-
SEA
29h 35m
1 stop
Qatar Airways Logo
4:30 pm - 7:45 am
SEA
-
OTP
29h 15m
1 stop
$865Qatar Airways
Thu, Apr 16 - Thu, Apr 30
Qatar Airways Logo
5:10 pm - 12:45 pm
OTP
-
SEA
29h 35m
1 stop
Qatar Airways Logo
4:30 pm - 7:45 am
SEA
-
OTP
29h 15m
1 stop
$866Qatar Airways
Thu, Apr 16 - Thu, Apr 30
Qatar Airways Logo
5:10 pm - 12:45 pm
OTP
-
SEA
29h 35m
1 stop
Qatar Airways Logo
4:30 pm - 7:45 am
SEA
-
OTP
29h 15m
1 stop
$867Qatar Airways
Thu, Apr 16 - Thu, Apr 30
Qatar Airways Logo
5:10 pm - 12:45 pm
OTP
-
SEA
29h 35m
1 stop
Qatar Airways Logo
4:30 pm - 3:35 pm
SEA
-
OTP
37h 05m
1 stop
$870Qatar Airways
Thu, Apr 16 - Wed, Apr 29
Qatar Airways Logo
5:10 pm - 12:25 pm
OTP
-
SEA
29h 15m
1 stop
Qatar Airways Logo
4:25 pm - 7:45 am
SEA
-
OTP
29h 20m
1 stop
$876Qatar Airways
Mon, Sep 28 - Thu, Oct 15
Qatar Airways Logo
5:10 pm - 12:25 pm
OTP
-
SEA
29h 15m
1 stop
Qatar Airways Logo
4:25 pm - 2:15 pm
SEA
-
OTP
35h 50m
1 stop
$878Qatar Airways
Mon, Sep 28 - Fri, Oct 16
Multiple Airlines Logo
8:35 am - 4:00 pm
OTP
-
SEA
17h 25m
1 stop
Multiple Airlines Logo
7:00 pm - 12:55 am
SEA
-
OTP
19h 55m
3 stops
$886Multiple Airlines
Thu, Apr 23 - Sat, May 9
Qatar Airways Logo
5:10 pm - 12:45 pm
OTP
-
SEA
29h 35m
1 stop
Qatar Airways Logo
4:30 pm - 3:35 pm
SEA
-
OTP
37h 05m
1 stop
$887Qatar Airways
Thu, Apr 23 - Sat, May 9
Qatar Airways Logo
5:10 pm - 12:45 pm
OTP
-
SEA
29h 35m
1 stop
Qatar Airways Logo
4:30 pm - 3:35 pm
SEA
-
OTP
37h 05m
1 stop
$892Qatar Airways
Sat, Apr 25 - Sat, May 2
Multiple Airlines Logo
9:30 am - 8:57 pm
OTP
-
SEA
21h 27m
1 stop
Multiple Airlines Logo
7:00 pm - 12:30 am
SEA
-
OTP
19h 30m
2 stops
$893Multiple Airlines
Mon, Sep 28 - Wed, Oct 14

Qatar Airways flights from Bucharest Otopeni Intl Airport to Seattle

Our best Qatar Airways deals on Bucharest Otopeni Intl Airport to Seattle flight tickets
Qatar Airways
Apr 16
OTP5:10 pmBucharest Otopeni Intl
29h 35m
1 stop
SEA12:45 pmSeattle/Tacoma Intl
Apr 30
SEA4:30 pmSeattle/Tacoma Intl
29h 15m
1 stop
OTP7:45 amBucharest Otopeni Intl
$865
Qatar Airways
Apr 16
OTP5:10 pmBucharest Otopeni Intl
29h 35m
1 stop
SEA12:45 pmSeattle/Tacoma Intl
Apr 30
SEA4:30 pmSeattle/Tacoma Intl
29h 15m
1 stop
OTP7:45 amBucharest Otopeni Intl
$866
Qatar Airways
Apr 16
OTP5:10 pmBucharest Otopeni Intl
29h 35m
1 stop
SEA12:45 pmSeattle/Tacoma Intl
Apr 30
SEA4:30 pmSeattle/Tacoma Intl
29h 15m
1 stop
OTP7:45 amBucharest Otopeni Intl
$867

Lufthansa flights from Bucharest Otopeni Intl Airport to Seattle

Our best Lufthansa deals on Bucharest Otopeni Intl Airport to Seattle flight tickets
Lufthansa
May 15
OTP6:05 amBucharest Otopeni Intl
16h 15m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
May 22
SEA2:10 pmSeattle/Tacoma Intl
23h 30m
1 stop
OTP11:40 pmBucharest Otopeni Intl
$995
Lufthansa
Apr 15
OTP6:05 amBucharest Otopeni Intl
16h 15m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
Apr 29
SEA6:50 pmSeattle/Tacoma Intl
13h 45m
1 stop
OTP6:35 pmBucharest Otopeni Intl
$1,008
Lufthansa
Apr 14
OTP7:20 pmBucharest Otopeni Intl
31h 39m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
Apr 29
SEA6:50 pmSeattle/Tacoma Intl
13h 45m
1 stop
OTP6:35 pmBucharest Otopeni Intl
$1,025

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 April 1, 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

Thu 4/16

5:10 pm-12:45 pm

1 stop29h 35m

Seattle/Tacoma Intl

Thu 4/30

4:30 pm-7:45 am

1 stop29h 15m

$865

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 4/16

5:10 pm-12:45 pm

1 stop29h 35m

Seattle/Tacoma Intl

Thu 4/30

4:30 pm-7:45 am

1 stop29h 15m

$866

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 4/16

5:10 pm-12:45 pm

1 stop29h 35m

Seattle/Tacoma Intl

Thu 4/30

4:30 pm-7:45 am

1 stop29h 15m

$867

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 4/16

5:10 pm-12:45 pm

1 stop29h 35m

Seattle/Tacoma Intl

Wed 4/29

4:30 pm-3:35 pm

1 stop37h 05m

$870

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Mon 9/28

5:10 pm-12:25 pm

1 stop29h 15m

Seattle/Tacoma Intl

Thu 10/15

4:25 pm-7:45 am

1 stop29h 20m

$876

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Mon 9/28

5:10 pm-12:25 pm

1 stop29h 15m

Seattle/Tacoma Intl

Fri 10/16

4:25 pm-2:15 pm

1 stop35h 50m

$878
Quickest round-trip

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 4/23

8:35 am-4:00 pm

1 stop17h 25m

Seattle/Tacoma Intl

Sat 5/9

7:00 pm-12:55 am

3 stops19h 55m

$886

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 4/23

5:10 pm-12:45 pm

1 stop29h 35m

Seattle/Tacoma Intl

Sat 5/9

4:30 pm-3:35 pm

1 stop37h 05m

$887

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sat 4/25

5:10 pm-12:45 pm

1 stop29h 35m

Seattle/Tacoma Intl

Sat 5/2

4:30 pm-3:35 pm

1 stop37h 05m

$892

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Mon 9/28

9:30 am-8:57 pm

1 stop21h 27m

Seattle/Tacoma Intl

Wed 10/14

7:00 pm-12:30 am

2 stops19h 30m

$893

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 December to fly from Bucharest Otopeni Intl Airport, when ticket prices are also cheap, with an average price of $859.

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

16h 15m

Direct flights

None
The fastest flight from Bucharest Otopeni Intl Airport to Seattle takes 16h 15m
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 16h 15m.

  • 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
4,291 reviews
Search Turkish Airlines flights
DeltaPriceFrom $820Free CancellationRating
7.9
8,368 reviews
Search Delta flights
LufthansaPriceFrom $879Free CancellationRating
6.8
7,880 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
Redmond
Marysville
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Centralia
Fife
Westport
Kirkland
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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