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Cheap flights from Bucharest Otopeni Intl Airport to Seattle from $400

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 3/31. 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
7:40 am - 10:50 pm
OTP
-
SEA
25h 10m
3 stops
Multiple Airlines Logo
3:40 pm - 6:55 pm
SEA
-
OTP
17h 15m
2 stops
$765Multiple Airlines
sam., avr. 4 - dim., avr. 19
Multiple Airlines Logo
7:40 am - 9:33 am
OTP
-
SEA
35h 53m
3 stops
Multiple Airlines Logo
3:40 pm - 6:55 pm
SEA
-
OTP
17h 15m
2 stops
$777Multiple Airlines
sam., avr. 4 - dim., avr. 19
Multiple Airlines Logo
9:35 am - 8:43 pm
OTP
-
SEA
21h 08m
1 stop
Multiple Airlines Logo
7:10 pm - 11:50 am
SEA
-
OTP
30h 40m
2 stops
$796Multiple Airlines
mer., août 5 - mar., août 18
Multiple Airlines Logo
9:35 am - 8:43 pm
OTP
-
SEA
21h 08m
1 stop
Multiple Airlines Logo
7:10 pm - 6:15 pm
SEA
-
OTP
37h 05m
2 stops
$804Multiple Airlines
mer., août 5 - mer., août 19
Multiple Airlines Logo
9:35 am - 8:43 pm
OTP
-
SEA
21h 08m
1 stop
Multiple Airlines Logo
7:10 pm - 4:50 am
SEA
-
OTP
23h 40m
1 stop
$831Multiple Airlines
mer., août 5 - lun., août 17
Multiple Airlines Logo
7:40 am - 10:50 pm
OTP
-
SEA
25h 10m
3 stops
Multiple Airlines Logo
3:40 pm - 8:10 pm
SEA
-
OTP
18h 30m
3 stops
$837Multiple Airlines
sam., avr. 4 - dim., avr. 19
Multiple Airlines Logo
9:35 am - 9:30 pm
OTP
-
SEA
21h 55m
1 stop
Multiple Airlines Logo
7:10 pm - 2:45 am
SEA
-
OTP
21h 35m
1 stop
$839Multiple Airlines
mer., août 5 - mer., août 19
Multiple Airlines Logo
7:40 am - 10:50 pm
OTP
-
SEA
25h 10m
3 stops
Multiple Airlines Logo
3:40 pm - 6:55 pm
SEA
-
OTP
17h 15m
2 stops
$841Multiple Airlines
sam., avr. 4 - dim., avr. 19
Multiple Airlines Logo
7:40 am - 10:50 pm
OTP
-
SEA
25h 10m
3 stops
Multiple Airlines Logo
3:40 pm - 8:10 pm
SEA
-
OTP
18h 30m
3 stops
$844Multiple Airlines
sam., avr. 4 - dim., avr. 19
Multiple Airlines Logo
9:30 am - 10:08 pm
OTP
-
SEA
22h 38m
1 stop
Multiple Airlines Logo
7:00 pm - 4:55 pm
SEA
-
OTP
35h 55m
2 stops
$856Multiple Airlines
sam., avr. 4 - dim., avr. 19

Lufthansa flights from Bucharest Otopeni Intl Airport to Seattle

Our best Lufthansa deals on Bucharest Otopeni Intl Airport to Seattle flight tickets
Lufthansa
Apr 4
OTP6:05 amBucharest Otopeni Intl
16h 15m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
Apr 19
SEA6:50 pmSeattle/Tacoma Intl
13h 45m
1 stop
OTP6:35 pmBucharest Otopeni Intl
$920
Lufthansa
Apr 4
OTP6:05 amBucharest Otopeni Intl
22h 41m
2 stops
SEA6:46 pmSeattle/Tacoma Intl
Apr 19
SEA8:00 amSeattle/Tacoma Intl
18h 00m
2 stops
OTP12:00 pmBucharest Otopeni Intl
$928

British Airways flights from Bucharest Otopeni Intl Airport to Seattle

Our best British Airways deals on Bucharest Otopeni Intl Airport to Seattle flight tickets
British Airways
Jun 30
OTP6:10 pmBucharest Otopeni Intl
27h 25m
1 stop
SEA11:35 amSeattle/Tacoma Intl
Jul 15
SEA8:20 pmSeattle/Tacoma Intl
18h 00m
1 stop
OTP12:20 amBucharest Otopeni Intl
$905
British Airways
Jun 30
OTP8:15 amBucharest Otopeni Intl
25h 24m
2 stops
SEA11:39 pmSeattle/Tacoma Intl
Jul 15
SEA8:20 pmSeattle/Tacoma Intl
32h 20m
1 stop
OTP2:40 pmBucharest Otopeni Intl
$914
British Airways
Feb 18
OTP8:05 amBucharest Otopeni Intl
24h 59m
2 stops
SEA11:04 pmSeattle/Tacoma Intl
Mar 11
SEA7:50 pmSeattle/Tacoma Intl
18h 40m
1 stop
OTP11:30 pmBucharest Otopeni Intl
$1,017

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 février 13, 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

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

sam. 4/4

7:40 am-10:50 pm

3 stops25h 10m

Seattle/Tacoma Intl

dim. 4/19

3:40 pm-6:55 pm

2 stops17h 15m

$765

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

sam. 4/4

7:40 am-9:33 am

3 stops35h 53m

Seattle/Tacoma Intl

dim. 4/19

3:40 pm-6:55 pm

2 stops17h 15m

$777

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

mer. 8/5

9:35 am-8:43 pm

1 stop21h 08m

Seattle/Tacoma Intl

mar. 8/18

7:10 pm-11:50 am

2 stops30h 40m

$796

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

mer. 8/5

9:35 am-8:43 pm

1 stop21h 08m

Seattle/Tacoma Intl

mer. 8/19

7:10 pm-6:15 pm

2 stops37h 05m

$804

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

mer. 8/5

9:35 am-8:43 pm

1 stop21h 08m

Seattle/Tacoma Intl

lun. 8/17

7:10 pm-4:50 am

1 stop23h 40m

$831

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

sam. 4/4

7:40 am-10:50 pm

3 stops25h 10m

Seattle/Tacoma Intl

dim. 4/19

3:40 pm-8:10 pm

3 stops18h 30m

$837

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

mer. 8/5

9:35 am-9:30 pm

1 stop21h 55m

Seattle/Tacoma Intl

mer. 8/19

7:10 pm-2:45 am

1 stop21h 35m

$839

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

sam. 4/4

7:40 am-10:50 pm

3 stops25h 10m

Seattle/Tacoma Intl

dim. 4/19

3:40 pm-6:55 pm

2 stops17h 15m

$841

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

sam. 4/4

7:40 am-10:50 pm

3 stops25h 10m

Seattle/Tacoma Intl

dim. 4/19

3:40 pm-8:10 pm

3 stops18h 30m

$844

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

sam. 4/4

9:30 am-10:08 pm

1 stop22h 38m

Seattle/Tacoma Intl

dim. 4/19

7:00 pm-4:55 pm

2 stops35h 55m

$856

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 cheapest month to fly to Seattle?

In general, May 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 $795. If you don’t want to visit Seattle in May, then you should wait until March to fly from Bucharest Otopeni Intl Airport, when ticket prices are also cheap, with an average price of $838.

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 37m

Direct flights

None
The fastest flight from Bucharest Otopeni Intl Airport to Seattle takes 14h 37m
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

  • 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 37m.

  • 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
4,210 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $879Free CancellationRating
6.8
7,780 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
Marysville
Redmond
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Kirkland
Westport
Centralia
Fife
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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