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Cheap flights from Seattle to Bucharest 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 Seattle to Bucharest departing on 7/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Scandinavian Airlines Logo
4:00 pm - 9:10 pmSEA-OTP
19h 10m1 stop
Scandinavian Airlines Logo
8:35 pm - 10:25 pmOTP-SEA
35h 50m2 stops
$539Scandinavian Airlines
Find Deal
dom., ago. 31 - mié., sep. 10
Scandinavian Airlines Logo
4:00 pm - 9:10 pmSEA-OTP
19h 10m1 stop
Scandinavian Airlines Logo
9:25 pm - 1:50 pmOTP-SEA
26h 25m1 stop
$548Scandinavian Airlines
Find Deal
dom., ago. 31 - dom., sep. 7
British Airways Logo
8:20 pm - 2:30 pmSEA-OTP
32h 10m1 stop
British Airways Logo
4:25 pm - 4:55 pmOTP-SEA
34h 30m1 stop
$604British Airways
Find Deal
mar., oct. 7 - mar., nov. 11
Lufthansa Logo
6:50 pm - 6:35 pmSEA-OTP
13h 45m1 stop
Lufthansa Logo
5:55 am - 12:10 pmOTP-SEA
16h 15m1 stop
$606Lufthansa
Find Deal
mié., oct. 8 - vie., nov. 7
British Airways Logo
2:35 pm - 2:45 pmSEA-OTP
15h 10m1 stop
British Airways Logo
8:05 am - 4:55 pmOTP-SEA
18h 50m1 stop
$607British Airways
Find Deal
mar., oct. 28 - jue., nov. 6
Lufthansa Logo
10:00 am - 4:50 pmSEA-OTP
20h 50m2 stops
Lufthansa Logo
5:55 am - 12:10 pmOTP-SEA
16h 15m1 stop
$610Lufthansa
Find Deal
mar., oct. 7 - vie., nov. 7
Delta Logo
3:00 pm - 9:20 pmSEA-OTP
21h 20m1 stop
Delta Logo
6:05 am - 1:15 pmOTP-SEA
17h 10m1 stop
$620Delta
Find Deal
mié., oct. 29 - vie., nov. 7
Delta Logo
7:20 am - 9:20 pmSEA-OTP
29h 00m2 stops
Delta Logo
6:05 am - 11:25 amOTP-SEA
15h 20m1 stop
$625Delta
Find Deal
dom., oct. 26 - jue., nov. 6
Turkish Airlines Logo
12:30 pm - 2:35 pmSEA-OTP
16h 05m1 stop
Turkish Airlines Logo
9:30 am - 5:15 pmOTP-SEA
17h 45m1 stop
$629Turkish Airlines
Find Deal
mar., sep. 2 - mié., sep. 10
Turkish Airlines Logo
12:30 pm - 2:35 pmSEA-OTP
16h 05m1 stop
Turkish Airlines Logo
9:30 am - 10:35 amOTP-SEA
35h 05m1 stop
$633Turkish Airlines
Find Deal
mar., ago. 5 - mié., sep. 3

British Airways flights from Seattle to Bucharest

Our best British Airways deals on Seattle to Bucharest flight tickets
British Airways
Oct 7
SEA8:20 pmSeattle/Tacoma Intl
32h 10m
1 stop
OTP2:30 pmBucharest Otopeni Intl
Nov 11
OTP4:25 pmBucharest Otopeni Intl
34h 30m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
British Airways
Oct 28
SEA2:35 pmSeattle/Tacoma Intl
15h 10m
1 stop
OTP2:45 pmBucharest Otopeni Intl
Nov 6
OTP8:05 amBucharest Otopeni Intl
18h 50m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
British Airways
Oct 28
SEA7:44 amSeattle/Tacoma Intl
22h 01m
2 stops
OTP2:45 pmBucharest Otopeni Intl
Nov 6
OTP8:05 amBucharest Otopeni Intl
18h 50m
1 stop
SEA4:55 pmSeattle/Tacoma Intl

Turkish Airlines flights from Seattle to Bucharest

Our best Turkish Airlines deals on Seattle to Bucharest flight tickets
Turkish Airlines
Sep 2
SEA12:30 pmSeattle/Tacoma Intl
16h 05m
1 stop
OTP2:35 pmBucharest Otopeni Intl
Sep 10
OTP9:30 amBucharest Otopeni Intl
17h 45m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
Turkish Airlines
Aug 5
SEA12:30 pmSeattle/Tacoma Intl
16h 05m
1 stop
OTP2:35 pmBucharest Otopeni Intl
Sep 3
OTP9:30 amBucharest Otopeni Intl
35h 05m
1 stop
SEA10:35 amSeattle/Tacoma Intl
Turkish Airlines
Oct 9
SEA7:10 pmSeattle/Tacoma Intl
15h 15m
1 stop
OTP8:25 pmBucharest Otopeni Intl
Nov 10
OTP10:10 amBucharest Otopeni Intl
16h 55m
1 stop
SEA5:05 pmSeattle/Tacoma Intl

See travel insights to Bucharest from

How to get the cheapest flight ticket from Seattle to Bucharest

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 Bucharest?

In general, October is the cheapest month to fly from Seattle to Bucharest. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $744. If you aren’t able to travel to Bucharest during the month of October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $753.

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

Our data shows that Tuesday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $963. The most expensive day to fly to Bucharest is Saturday, with ticket prices averaging around $1,512.

What is the cheapest time of day to depart on your flight to Bucharest?

According to our data, the cheapest time of day to fly to Bucharest is in the evening. momondo users have found flights departing from Seattle to Bucharest in the evening for as low as $792. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Bucharest is at noon when prices are around $1,144.

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

You are more likely to see cheaper flights to Bucharest from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest for around $1,009 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest from Seattle for as low as $669 on momondo.

Can stopping save me money on Seattle to Bucharest flights?

You could potentially save up to 3% on your flight if you consider stops on a Seattle to Bucharest flight.

How have Seattle to Bucharest flight prices changed over time?

As of July 2025, prices for Seattle to Bucharest flights are approximately 34% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Bucharest

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

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

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

Best Price Found

$446

Fastest flight time

13h 45m

Direct flights

None

Airports in Bucharest

1 airport
The best one-way flight to Bucharest from Seattle in the past 72 hours is $446. The best round-trip flight deal from Seattle to Bucharest found on momondo in the last 72 hours is $539.
The fastest flight from Seattle to Bucharest takes 13h 45m
There are no direct flights from Seattle to Bucharest. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Bucharest Otopeni Intl Airport.
There is 1 airport near Bucharest: Bucharest Otopeni Intl (OTP)

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

    Seattle/Tacoma Intl and Bucharest are 5790.4 mi apart from one another. Flights usually cover this in 13h 45m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    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 Seattle/Tacoma Intl Airport to Bucharest.

  • What documentation or ID do you need to fly to Bucharest?

    The necessary travel and health documents for your Bucharest trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Bucharest?


Best airlines flying from Seattle to Bucharest

Compare and see reviews for airlines that fly from Seattle to Bucharest with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $585Free CancellationRating
6.8
7,207 reviews
Search Lufthansa flights
United AirlinesPriceFrom $624Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights
Air FrancePriceFrom $633Free CancellationRating
7.5
1,465 reviews
Search Air France flights
Turkish AirlinesPriceFrom $668Free CancellationRating
7.3
3,895 reviews
Search Turkish Airlines flights
DeltaPriceFrom $684Free CancellationRating
8.0
7,982 reviews
Search Delta flights
KLMPriceFrom $705Free CancellationRating
7.8
1,367 reviews
Search KLM flights

Traveling to a place near Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Bucharest. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Bucharest from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Bucharest?

Once all potential Seattle to Bucharest flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to Bucharest right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Bucharest, momondo offers a useful price alert feature which will track prices for flights to Bucharest from Seattle and alert you when they change.


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1 adult
mar. 7/8
mar. 7/15

Find better results for your trip to Romania

Fly into one of these airports located in Bucharest

Airports listed have a maximum distance of 9.6 mi from Bucharest