Cheap flights from Bucharest to Seattle from $446

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 to Seattle departing on 9/14. 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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0 bags

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Cheap round-trip flights

Scandinavian Airlines Logo
9:50 pm - 1:50 pmOTP-SEA
26h 00m1 stop
Scandinavian Airlines Logo
4:20 pm - 8:35 pmSEA-OTP
18h 15m1 stop
$450Scandinavian Airlines
Find Deal
Fri, Aug 29 - Fri, Sep 12
Scandinavian Airlines Logo
9:50 pm - 1:50 pmOTP-SEA
26h 00m1 stop
Scandinavian Airlines Logo
4:20 pm - 8:35 pmSEA-OTP
18h 15m1 stop
$467Scandinavian Airlines
Find Deal
Fri, Aug 29 - Fri, Sep 12
 Logo
6:00 pm - 11:50 amOTP-SEA
27h 50m1 stop
 Logo
2:40 pm - 3:50 pmSEA-OTP
16h 10m1 stop
Sat, Jan 10 - Tue, Mar 10
 Logo
6:00 am - 3:08 pmOTP-SEA
19h 08m2 stops
 Logo
2:40 pm - 3:50 pmSEA-OTP
16h 10m1 stop
Sat, Jan 10 - Tue, Mar 10
Delta Logo
6:00 am - 6:32 pmOTP-SEA
22h 32m2 stops
Delta Logo
3:30 pm - 10:50 pmSEA-OTP
22h 20m2 stops
$773Delta
Find Deal
Sat, Jan 10 - Tue, Mar 10
Delta Logo
7:00 am - 4:00 pmOTP-SEA
19h 00m2 stops
Delta Logo
7:13 am - 12:10 pmSEA-OTP
18h 57m2 stops
$828Delta
Find Deal
Tue, Aug 26 - Tue, Sep 9
KLM Logo
6:05 pm - 11:35 amOTP-SEA
27h 30m1 stop
KLM Logo
5:40 pm - 11:45 pmSEA-OTP
20h 05m1 stop
$833KLM
Find Deal
Tue, Aug 26 - Tue, Sep 9
KLM Logo
6:05 pm - 11:35 amOTP-SEA
27h 30m1 stop
KLM Logo
1:55 pm - 3:25 pmSEA-OTP
15h 30m1 stop
$862KLM
Find Deal
Wed, Aug 20 - Tue, Sep 30
Lufthansa Logo
6:00 am - 11:55 amOTP-SEA
15h 55m1 stop
Lufthansa Logo
3:10 pm - 1:05 amSEA-OTP
23h 55m1 stop
$884Lufthansa
Find Deal
Wed, Sep 3 - Wed, Dec 10
Lufthansa Logo
6:05 am - 11:55 amOTP-SEA
15h 50m2 stops
Lufthansa Logo
8:00 am - 5:55 pmSEA-OTP
23h 55m2 stops
$998Lufthansa
Find Deal
Fri, Aug 15 - Sun, Aug 31

Scandinavian Airlines flights from Bucharest to Seattle

Our best Scandinavian Airlines deals on Bucharest to Seattle flight tickets
Scandinavian Airlines
Aug 29
OTP9:50 pmBucharest Otopeni Intl
26h 00m
1 stop
SEA1:50 pmSeattle/Tacoma Intl
Sep 12
SEA4:20 pmSeattle/Tacoma Intl
18h 15m
1 stop
OTP8:35 pmBucharest Otopeni Intl
Scandinavian Airlines
Aug 29
OTP9:50 pmBucharest Otopeni Intl
26h 00m
1 stop
SEA1:50 pmSeattle/Tacoma Intl
Sep 12
SEA4:20 pmSeattle/Tacoma Intl
18h 15m
1 stop
OTP8:35 pmBucharest Otopeni Intl
Scandinavian Airlines
Aug 29
OTP9:50 pmBucharest Otopeni Intl
26h 00m
1 stop
SEA1:50 pmSeattle/Tacoma Intl
Sep 12
SEA4:20 pmSeattle/Tacoma Intl
18h 15m
1 stop
OTP8:35 pmBucharest Otopeni Intl

Delta flights from Bucharest to Seattle

Our best Delta deals on Bucharest to Seattle flight tickets
Delta
Jan 10
OTP6:00 amBucharest Otopeni Intl
22h 32m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
Mar 10
SEA3:30 pmSeattle/Tacoma Intl
22h 20m
2 stops
OTP10:50 pmBucharest Otopeni Intl
Delta
Aug 26
OTP7:00 amBucharest Otopeni Intl
19h 00m
2 stops
SEA4:00 pmSeattle/Tacoma Intl
Sep 9
SEA7:13 amSeattle/Tacoma Intl
18h 57m
2 stops
OTP12:10 pmBucharest Otopeni Intl
Delta
Aug 26
OTP7:00 amBucharest Otopeni Intl
19h 00m
2 stops
SEA4:00 pmSeattle/Tacoma Intl
Sep 9
SEA5:40 pmSeattle/Tacoma Intl
13h 40m
1 stop
OTP5:20 pmBucharest Otopeni Intl

momondo Fare Finder

 
Customize your flight search to find flights from Bucharest 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 July 31, 2025.
Use the filters below to find and compare flights from Bucharest to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Fri 8/29

9:50 pm-1:50 pm

1 stop26h 00m

Seattle/Tacoma Intl

Fri 9/12

4:20 pm-8:35 pm

1 stop18h 15m

$450

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Fri 8/29

9:50 pm-1:50 pm

1 stop26h 00m

Seattle/Tacoma Intl

Fri 9/12

4:20 pm-8:35 pm

1 stop18h 15m

$467

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sat 1/10

6:00 pm-11:50 am

1 stop27h 50m

Seattle/Tacoma Intl

Tue 3/10

2:40 pm-3:50 pm

1 stop16h 10m

$767

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sat 1/10

6:00 am-3:08 pm

2 stops19h 08m

Seattle/Tacoma Intl

Tue 3/10

2:40 pm-3:50 pm

1 stop16h 10m

$772

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sat 1/10

6:00 am-6:32 pm

2 stops22h 32m

Seattle/Tacoma Intl

Tue 3/10

3:30 pm-10:50 pm

2 stops22h 20m

$773

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Tue 8/26

7:00 am-4:00 pm

2 stops19h 00m

Seattle/Tacoma Intl

Tue 9/9

7:13 am-12:10 pm

2 stops18h 57m

$828

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Tue 8/26

6:05 pm-11:35 am

1 stop27h 30m

Seattle/Tacoma Intl

Tue 9/9

5:40 pm-11:45 pm

1 stop20h 05m

$833

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Wed 8/20

6:05 pm-11:35 am

1 stop27h 30m

Seattle/Tacoma Intl

Tue 9/30

1:55 pm-3:25 pm

1 stop15h 30m

$862

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Wed 9/3

6:00 am-11:55 am

1 stop15h 55m

Seattle/Tacoma Intl

Wed 12/10

3:10 pm-1:05 am

1 stop23h 55m

$884

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Fri 8/15

6:05 am-11:55 am

2 stops15h 50m

Seattle/Tacoma Intl

Sun 8/31

8:00 am-5:55 pm

2 stops23h 55m

$998

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 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 to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $836. If you don’t want to visit Seattle in February, then you should wait until March to fly from Bucharest, when ticket prices are also cheap, with an average price of $837.

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

On average, the least expensive day to fly to Seattle from Bucharest 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 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 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.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Bucharest when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $949 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Bucharest for as low as $797 on momondo.

How have Bucharest to Seattle flight prices changed over time?

As of July 2025, prices for Bucharest to Seattle flights are approximately 25% more expensive when compared to flights at the same time last year.

When to book flights from Bucharest to Seattle

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

Cheap Bucharest to Seattle (BUH to SEA) flight deals and tips

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

Best Price Found

$446

Fastest flight time

15h 50m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Bucharest in the past 72 hours is $446. The best round-trip flight deal from Bucharest to Seattle found on momondo in the last 72 hours is $450.
The fastest flight from Bucharest to Seattle takes 15h 50m
There are no direct flights from Bucharest to Seattle. Popular non-direct route for this connection is Bucharest Otopeni Intl Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

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

    The distance between Bucharest and Seattle/Tacoma Intl is about 5790.4 mi. Flights usually cover this in 15h 50m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Bucharest to Seattle/Tacoma Intl Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Bucharest 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 to Seattle?


Best airlines flying from Bucharest to Seattle

Compare and see reviews for airlines that fly from Bucharest to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $723Free CancellationRating
7.3
3,933 reviews
Search Turkish Airlines flights
KLMPriceFrom $785Free CancellationRating
7.8
1,383 reviews
Search KLM flights
LufthansaPriceFrom $808Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights
British AirwaysPriceFrom $872Free CancellationRating
6.6
7,222 reviews
Search British Airways flights

Traveling to a place near Seattle?

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

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Bucharest to Seattle. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Bucharest to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Yes momondo offers price alerts on flights to Seattle from Bucharest. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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Tue 8/5
Tue 8/12

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