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Cheap flights from Bucharest to Seattle from $376

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 10/1. 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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Find the cheapest flights from Bucharest to Seattle

Cheap round-trip flights

Scandinavian Airlines Logo
9:25 pm - 2:00 pmOTP-SEA
26h 35m1 stop
Scandinavian Airlines Logo
4:20 pm - 8:35 pmSEA-OTP
18h 15m1 stop
$628Scandinavian Airlines
Find Deal
Sat, Sep 27 - Fri, Oct 10
Scandinavian Airlines Logo
9:25 pm - 2:00 pmOTP-SEA
26h 35m1 stop
Scandinavian Airlines Logo
4:20 pm - 8:35 pmSEA-OTP
18h 15m1 stop
$632Scandinavian Airlines
Find Deal
Sat, Oct 11 - Fri, Oct 24
Scandinavian Airlines Logo
9:25 pm - 2:00 pmOTP-SEA
26h 35m1 stop
Scandinavian Airlines Logo
4:20 pm - 8:35 pmSEA-OTP
18h 15m1 stop
$635Scandinavian Airlines
Find Deal
Sat, Oct 11 - Fri, Oct 24
Multiple Airlines Logo
9:30 am - 9:08 pmOTP-SEA
21h 38m1 stop
Multiple Airlines Logo
9:34 pm - 7:30 pmSEA-OTP
35h 56m2 stops
$685Multiple Airlines
Find Deal
Sat, Oct 25 - Sun, Nov 9
Scandinavian Airlines Logo
9:25 pm - 2:00 pmOTP-SEA
26h 35m1 stop
Scandinavian Airlines Logo
2:10 pm - 8:35 pmSEA-OTP
20h 25m2 stops
$700Scandinavian Airlines
Find Deal
Sat, Oct 11 - Fri, Oct 24
Multiple Airlines Logo
9:30 am - 10:40 amOTP-SEA
35h 10m1 stop
Multiple Airlines Logo
3:10 pm - 11:10 pmSEA-OTP
22h 00m2 stops
$703Multiple Airlines
Find Deal
Mon, Nov 3 - Sun, Nov 16
Delta Logo
6:00 am - 11:45 amOTP-SEA
15h 45m1 stop
Delta Logo
2:02 pm - 10:50 pmSEA-OTP
22h 48m2 stops
$784Delta
Find Deal
Tue, Nov 4 - Sun, Nov 9
Delta Logo
6:00 am - 4:10 pmOTP-SEA
20h 10m2 stops
Delta Logo
6:00 am - 12:05 pmSEA-OTP
20h 05m2 stops
$789Delta
Find Deal
Tue, Nov 4 - Sun, Nov 9
British Airways Logo
8:20 pm - 12:30 pmOTP-SEA
25h 10m1 stop
British Airways Logo
6:50 pm - 11:25 pmSEA-OTP
18h 35m1 stop
$808British Airways
Find Deal
Fri, Oct 31 - Fri, Nov 7
British Airways Logo
4:35 pm - 12:30 pmOTP-SEA
28h 55m1 stop
British Airways Logo
6:50 pm - 11:45 pmSEA-OTP
18h 55m1 stop
$809British Airways
Find Deal
Thu, Oct 30 - Thu, Nov 6

Scandinavian Airlines flights from Bucharest to Seattle

Our best Scandinavian Airlines deals on Bucharest to Seattle flight tickets
Scandinavian Airlines
Sep 27
OTP9:25 pmBucharest Otopeni Intl
26h 35m
1 stop
SEA2:00 pmSeattle/Tacoma Intl
Oct 10
SEA4:20 pmSeattle/Tacoma Intl
18h 15m
1 stop
OTP8:35 pmBucharest Otopeni Intl
$628
Find similar
Scandinavian Airlines
Oct 11
OTP9:25 pmBucharest Otopeni Intl
26h 35m
1 stop
SEA2:00 pmSeattle/Tacoma Intl
Oct 24
SEA4:20 pmSeattle/Tacoma Intl
18h 15m
1 stop
OTP8:35 pmBucharest Otopeni Intl
$632
Find similar
Scandinavian Airlines
Oct 11
OTP9:25 pmBucharest Otopeni Intl
26h 35m
1 stop
SEA2:00 pmSeattle/Tacoma Intl
Oct 24
SEA4:20 pmSeattle/Tacoma Intl
18h 15m
1 stop
OTP8:35 pmBucharest Otopeni Intl
$635
Find similar

Delta flights from Bucharest to Seattle

Our best Delta deals on Bucharest to Seattle flight tickets
Delta
Nov 4
OTP6:00 amBucharest Otopeni Intl
15h 45m
1 stop
SEA11:45 amSeattle/Tacoma Intl
Nov 9
SEA2:02 pmSeattle/Tacoma Intl
22h 48m
2 stops
OTP10:50 pmBucharest Otopeni Intl
$784
Find similar
Delta
Nov 4
OTP6:00 amBucharest Otopeni Intl
20h 10m
2 stops
SEA4:10 pmSeattle/Tacoma Intl
Nov 9
SEA6:00 amSeattle/Tacoma Intl
20h 05m
2 stops
OTP12:05 pmBucharest Otopeni Intl
$789
Find similar
Delta
Nov 3
OTP6:00 amBucharest Otopeni Intl
18h 41m
2 stops
SEA2:41 pmSeattle/Tacoma Intl
Nov 16
SEA6:00 amSeattle/Tacoma Intl
21h 00m
2 stops
OTP1:00 pmBucharest Otopeni Intl
$790
Find similar

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 September 17, 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

Sat 9/27

9:25 pm-2:00 pm

1 stop26h 35m

Seattle/Tacoma Intl

Fri 10/10

4:20 pm-8:35 pm

1 stop18h 15m

$628

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sat 10/11

9:25 pm-2:00 pm

1 stop26h 35m

Seattle/Tacoma Intl

Fri 10/24

4:20 pm-8:35 pm

1 stop18h 15m

$632

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sat 10/11

9:25 pm-2:00 pm

1 stop26h 35m

Seattle/Tacoma Intl

Fri 10/24

4:20 pm-8:35 pm

1 stop18h 15m

$635

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sat 10/25

9:30 am-9:08 pm

1 stop21h 38m

Seattle/Tacoma Intl

Sun 11/9

9:34 pm-7:30 pm

2 stops35h 56m

$685

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sat 10/11

9:25 pm-2:00 pm

1 stop26h 35m

Seattle/Tacoma Intl

Fri 10/24

2:10 pm-8:35 pm

2 stops20h 25m

$700

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Mon 11/3

9:30 am-10:40 am

1 stop35h 10m

Seattle/Tacoma Intl

Sun 11/16

3:10 pm-11:10 pm

2 stops22h 00m

$703

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Tue 11/4

6:00 am-11:45 am

1 stop15h 45m

Seattle/Tacoma Intl

Sun 11/9

2:02 pm-10:50 pm

2 stops22h 48m

$784

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Tue 11/4

6:00 am-4:10 pm

2 stops20h 10m

Seattle/Tacoma Intl

Sun 11/9

6:00 am-12:05 pm

2 stops20h 05m

$789

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Fri 10/31

8:20 pm-12:30 pm

1 stop25h 10m

Seattle/Tacoma Intl

Fri 11/7

6:50 pm-11:25 pm

1 stop18h 35m

$808

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 10/30

4:35 pm-12:30 pm

1 stop28h 55m

Seattle/Tacoma Intl

Thu 11/6

6:50 pm-11:45 pm

1 stop18h 55m

$809

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, April 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 $786. If you don’t want to visit Seattle in April, 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 $935 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 $769 on momondo.

How have Bucharest to Seattle flight prices changed over time?

As of September 2025, prices for Bucharest to Seattle flights are approximately 55% 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

Direct flights

None
There are no direct flights from Bucharest to Seattle. There are no popular flight routes from Bucharest to Seattle.
Search flight deals

  • 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 45m, 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 $790Free CancellationRating
7.3
3,965 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $808Free CancellationRating
6.8
7,409 reviews
Search Lufthansa 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
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Federal Way
Kirkland
Tukwila
Shoreline
Lakewood
Centralia
Fife
Cle Elum
Redmond
Westport

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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