$344 Cheap Flights from Seattle (SEA) to Bucharest (OTP)

View $344 flight on Mon, Nov 2, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Henri Coanda Intl. Airport (OTP)

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Cheap Flights from Seattle to Bucharest (SEA-OTP)

Prices were available within the past 7 days and start at $344 for one-way flights and $625 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Jun 17 - Tue, Jun 23
SEA
Seattle
OTP
Bucharest
$625 Roundtrip, found 1 day ago
$625
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Jun 17 from Seattle to Bucharest, returning Tue, Jun 23, priced at $625 found 1 day ago
Air Canada
Wed, Jun 17 - Tue, Sep 29
SEA
Seattle
OTP
Bucharest
$705 Roundtrip, found 1 day ago
$705
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Jun 17 from Seattle to Bucharest, returning Tue, Sep 29, priced at $705 found 1 day ago
Air Canada
Wed, Jun 17 - Tue, Sep 29
SEA
Seattle
OTP
Bucharest
$714 Roundtrip, found 1 day ago
$714
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Jun 17 from Seattle to Bucharest, returning Tue, Sep 29, priced at $714 found 1 day ago
Delta
Mon, Jan 18 - Mon, Jan 25
SEA
Seattle
OTP
Bucharest
$751 Roundtrip, found 1 day ago
$751
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jan 18 from Seattle to Bucharest, returning Mon, Jan 25, priced at $751 found 1 day ago
Lufthansa
Wed, Oct 21 - Wed, Nov 4
SEA
Seattle
OTP
Bucharest
$753 Roundtrip, found 4 days ago
$753
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Oct 21 from Seattle to Bucharest, returning Wed, Nov 4, priced at $753 found 4 days ago
American Airlines
Wed, Feb 3 - Tue, Feb 23
SEA
Seattle
OTP
Bucharest
$753 Roundtrip, found 1 day ago
$753
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Feb 3 from Seattle to Bucharest, returning Tue, Feb 23, priced at $753 found 1 day ago
British Airways
Mon, Jan 18 - Mon, Jan 25
SEA
Seattle
OTP
Bucharest
$755 Roundtrip, found 1 day ago
$755
Roundtrip
found 1 day ago
Select British Airways flight, departing Mon, Jan 18 from Seattle to Bucharest, returning Mon, Jan 25, priced at $755 found 1 day ago
United
Tue, Aug 18 - Thu, Sep 17
SEA
Seattle
OTP
Bucharest
$771 Roundtrip, found 3 days ago
$771
Roundtrip
found 3 days ago
Select United flight, departing Tue, Aug 18 from Seattle to Bucharest, returning Thu, Sep 17, priced at $771 found 3 days ago
Swiss International Air Lines
Wed, Feb 3 - Tue, Feb 23
SEA
Seattle
OTP
Bucharest
$771 Roundtrip, found 1 day ago
$771
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, Feb 3 from Seattle to Bucharest, returning Tue, Feb 23, priced at $771 found 1 day ago
Scandinavian Airlines
Sun, Sep 20 - Sat, Oct 3
SEA
Seattle
OTP
Bucharest
$787 Roundtrip, found 3 days ago
$787
Roundtrip
found 3 days ago
Select Scandinavian Airlines flight, departing Sun, Sep 20 from Seattle to Bucharest, returning Sat, Oct 3, priced at $787 found 3 days ago

Alternative airports near Bucharest

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Henri Coanda Intl. OTP. Cheapest option available. Average driving time to city center is 19 minutes. Flights from $1,055
OTP
Henri Coanda Intl.
Cheapest
Average driving time to city center19 min
Flights from $1,055

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.) cost?
You can find cheap one-way flights from $344 and cheap return flights from $625 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.) with Expedia. One-way flights typically cost between $377 and $4051, and return flights often range between $716 and $6402. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.)?
January is the cheapest month to fly from Seattle (SEA) to Bucharest (OTP), with average return fares around $553. This is about 44% lower than the average price throughout the year, as travel demand tends to drop after the holiday season. Other budget-friendly months include February and March.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.)?
Enter SEA to OTP and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.)?
Virgin Atlantic is one of the cheapest airlines offering connecting flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.), with round-trip tickets starting from around $535 with a layover in Heathrow (LHR). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.)?
For your journey from Seattle (SEA) to Bucharest (OTP), consider flying in January or February. These months feature average return flight prices around $553, making them economical options. January offers a quieter travel experience, while February provides a chance to enjoy winter scenery, making either month a great choice.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.)?
The earliest flight from Seattle (Seattle - Tacoma Intl.) to Bucharest (Henri Coanda Intl.) typically departs at around 12:05 AM, operated by American Airlines and British Airways. This seasonal service is available in July, allowing you to make the most of your time in Romania. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.)?
The most popular departure times for flights from Seattle, WA (SEA) to Bucharest (OTP) are in the early afternoon, from 12pm to 3pm. About 31% of passengers prefer this time window. Many major carriers, including Lufthansa, British Airways and Delta Air Lines, offer flights during this window. This timing is popular because it allows you to have a relaxed morning before your flight.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.)?
A flight from SEA to OTP with a layover takes around 16 hours 20 minutes, with the route covering approximately 5,796 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.)?
Business class is available on flights from SEA to OTP. Airlines that offer business class service on this route include:

  • British Airways
  • Lufthansa
  • United Airlines
  • Air France
  • Emirates
  • Turkish Airlines
  • Delta Air Lines
  • Air Canada
  • SAS
  • Aer Lingus

First class is available with United Airlines.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Bucharest from Seattle - Tacoma Intl. (SEA)?
If you're planning to travel to Bucharest from Seattle - Tacoma Intl. (SEA), you can fly into Henri Coanda Intl. (OTP) Some flights may connect through major hubs like O'Hare Intl. (ORD), Vancouver Intl. (YVR), Washington Dulles Intl. (IAD) before reaching Bucharest. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.) Bucharest Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bucharest (OTP-Henri Coanda Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Henri Coanda Intl.
Roundtrip price
$624
Distance
5795 mi

Book with confidence

Seattle to Bucharest Flights

The cheapest times to fly from Seattle to Bucharest

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Bucharest are during the month of June. You can find some of the cheapest flights from Seattle to Bucharest with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Bucharest

Sunday is one of the best days to book for cheap flights from Seattle to Bucharest: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Bucharest

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Bucharest in 2026. You can also book with separate airlines for your outbound and return journeys, from $344 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Bucharest flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Bucharest airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Bucharest Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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