Cheap flight tickets from Seattle / Tacoma International to Bucharest

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Flight deals from Seattle / Tacoma International to Bucharest

Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International Airport to Bucharest? If you want to travel next month, return fares start from RM3,389. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle / Tacoma International to Bucharest

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle / Tacoma International to Bucharest flights are currently cheapest in April.

Alternative Seattle / Tacoma International to Bucharest routes

Looking for the cheapest, fastest or easiest route from Seattle / Tacoma International to Bucharest? You could fly into the following airports instead.

Seattle to Bucharest: Flight information

The things to know before you go.
Cheapest flight foundRM1,365
Cheapest month to flyApril

Finding cheap flights from Seattle / Tacoma International to Bucharest: Frequently asked questions

There's one airport in Bucharest: Bucharest Otopeni.
The best price we found for a return flight from Seattle / Tacoma International to Bucharest is RM2,956. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Seattle / Tacoma International to Bucharest. But we found flights with one or more stops from RM2,956.
As of May 2026, there are no flights flying from Seattle / Tacoma International to Bucharest.
The cheapest month to fly from Seattle / Tacoma International to Bucharest is usually August.
If you're flying from Seattle / Tacoma International Airport, the cheapest airport near Bucharest is Bucharest Otopeni – which is 14.8 km away from the centre of Bucharest. We've found flights into this airport from RM2,956.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Bucharest on Tuesday, 18 August 2026.
No airlines currently offer direct flights between Seattle / Tacoma International Airport and Bucharest. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Bucharest but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Bucharest is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 18°C. July is typically the warmest month in Bucharest, when it usually averages around 31°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -5°C. The rainiest month is June.
Currently, Lufthansa offers the cheapest flight tickets to Bucharest.

Travelling from Seattle-Tacoma International Airport (SEA) to Bucharest: what you need to know

  • Seattle-Tacoma International Airport is located in Seattle. Based in the UTC+2 timezone, Bucharest is ten hours ahead of Seattle.

  • For a relaxed start to your SEA to Bucharest flight, allow plenty of time for things like check-in and baggage drop. Arriving two hours before international departures and an hour before domestic flights is the standard rule.

  • Be prepared for bigger queues in popular months such as July. Arriving up to four hours in advance for international flights and two hours for domestic departures is a wise move.

  • Consider adding a stopover to potentially land a cheaper plane ticket from SEA to Bucharest. All you need to do is deselect 'Direct flights only' during your search. Give yourself a breather (and maybe even a better deal) by stopping at one of these popular airports:

    • London Heathrow Airport (LHR)

    • Amsterdam Schiphol Airport (AMS)

    • Frankfurt Airport (FRA)

  • SEA is around 18 kilometres from central Seattle. If you're ride-sharing, driving or catching a taxi from the centre, it'll take you 25 minutes or so to get there, depending on traffic. If you're taking public transport, expect the journey time to be around 35 minutes.

  • In search of a hotel close to SEA? If you've booked an early flight from Seattle-Tacoma International Airport to Bucharest, these accommodation options put the terminal practically at your doorstep:

  • Seattle-Tacoma International Airport gets high marks for its on-time performance. 80% of flights that take off from SEA reach their destination on time.

How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to Bucharest

  • The lowest price we've found for a one-way Seattle-Tacoma International Airport to Bucharest flight is RM1,365. The cheapest price for a return flight is RM2,956. Bear in mind fares may change due to demand at the time of booking.

  • Don't leave things to the last minute. You're more likely to land cheap flights from SEA to Bucharest if you book early. Airlines often offer some excellent early bird rates.

  • Finding cheap tickets from Seattle-Tacoma International Airport to Bucharest is more likely if you can be flexible with your travel plans. Use the 'Whole month' tool to access the lowest fares across the month and pick up a sweet deal.

  • Finding a cheap flight from SEA to Bucharest is a breeze with Price Alerts. All you need to do is set up one of these automatic notifications and we'll notify you as soon as a new discount appears.

  • Tailor your trip with filters. Pick your preferred departure and arrival times, total journey duration and airlines. You can also sort results by 'Best,' 'Cheapest' or 'Fastest' flights from Seattle-Tacoma International Airport to Bucharest.

Airports in Bucharest

Bucharest Henri Coanda International Airport (OTP)

  • Bucharest Henri Coanda International Airport (OTP) is around 16 kilometres from the centre of Bucharest. If you're catching a taxi or a ride-share, the drive takes roughly 30 minutes.

  • When travelling on public transport, expect a journey time of around 35 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're landing late on a flight from Seattle-Tacoma International Airport to Bucharest. Reserve one of these accommodation options near OTP instead:

  • Reserving your ride from Bucharest Henri Coanda International Airport about one week in advance of your flight from SEA to Bucharest can help you lock in the lowest rate.

Baneasa Airport (BBU)

  • Central Bucharest is around 8 kilometres from Baneasa Airport (BBU). Disembark your flight from Seattle-Tacoma International Airport to Bucharest and then be on the lookout for any airport signs that'll help you reach the city centre.

  • You'll find some great places to park your luggage (and yourself) near BBU. Tuck yourself in and get cosy after your SEA to Bucharest flight at one of these perfectly located options:

  • Secure your first choice, not your last resort. Securing your ride from BBU two weeks ahead of time often means better prices and a bigger choice of vehicles.

Best time to go to Bucharest

  • July is the most popular month for flights from Seattle-Tacoma International Airport to Bucharest. To avoid the crowds, visit Bucharest in January.

  • The warmest month in Bucharest is August, with temperatures ranging between 17ºC (63ºF) and 34ºC (93ºF). Book your Seattle-Tacoma International Airport to Bucharest plane ticket then if you enjoy this type of weather.

  • January has average temperatures of between -9ºC (16ºF) and 8ºC (46ºF). Look for a cheap ticket from SEA to Bucharest around that time if you want to travel when it's cooler.

More about Bucharest

  • Start your Bucharest trip off on the right foot by choosing the perfect place to stay. After booking your flight from Seattle-Tacoma International Airport to Bucharest, explore our range of accommodation options including:

  • All great journeys should include a little sightseeing. Museum of the Palace of the Parliament, Caru' cu Bere and National Bank of Romania Museum are essential stops on your Bucharest itinerary.

Explore more of Romania

  • You've done Bucharest, now it's time to explore other parts of Romania. Journey around 322 kilometres north to Iasi to check off its leading attractions. From Galata Monastery to The Catholic Cathedral Saint Mary and Monastery of the Three Holy Hierarchs, there's plenty to keep you busy.

  • Around 322 kilometres northwest of Bucharest, Cluj-Napoca is another favourite stop in Romania. Get a taste of what this destination has to offer at St. Michael's Church, Museum Square and Romanian Orthodox Church of Transfiguration.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.