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Flights from Seattle to Bucharest

Find cheap airlines flights from Seattle to Bucharest

You can choose from 1 airlines that fly from Seattle to Bucharest, including Turkish Airlines, British Airways has lowest fares on this route.
Turkish Airlines logo Turkish Airlines
Airlines are determined based on actual purchased flight tickets from Seattle to Bucharest according to previous 12 months data from Trip.com.

Find flight deals from Seattle to Bucharest for the next 3 months. Book one way flights from $617 or round trip flights from $535.

      • SEA 6:50 PM
        20h 20m
        1 stop
        OTP 1:10 AM
        Seattle - Bucharest | Wed, Apr 22 | Lufthansa
        OTP 6:05 AM
        16h 15m
        1 stop
        SEA 12:20 PM
        Bucharest - Seattle | Tue, Apr 28 | United Airlines
        $535 $605
        12% off
        12% off
        $605 $535
      • SEA 6:50 PM
        20h 20m
        1 stop
        OTP 1:10 AM
        Seattle - Bucharest | Wed, Apr 22 | United Airlines
        OTP 6:05 AM
        16h 15m
        1 stop
        SEA 12:20 PM
        Bucharest - Seattle | Tue, Apr 28 | Lufthansa
        $535 $605
        12% off
        12% off
        $605 $535
      • SEA 6:40 PM
        32h 5m
        1 stop
        OTP 12:45 PM
        Seattle - Bucharest | Mon, Apr 20 | Delta Air Lines
        OTP 2:00 PM
        31h 45m
        1 stop
        SEA 11:45 AM
        Bucharest - Seattle | Tue, Apr 28 | Delta Air Lines
        $541 $605
        11% off
        11% off
        $605 $541
      • SEA 6:40 PM
        32h 5m
        1 stop
        OTP 12:45 PM
        Seattle - Bucharest | Mon, Apr 13 | Delta Air Lines
        OTP 2:00 PM
        31h 45m
        1 stop
        SEA 11:45 AM
        Bucharest - Seattle | Tue, Apr 21 | Delta Air Lines
        $541
        11% off
        $605 $541
      • SEA 6:40 PM
        32h 5m
        1 stop
        OTP 12:45 PM
        Seattle - Bucharest | Tue, Apr 14 | Delta Air Lines
        OTP 2:00 PM
        31h 45m
        1 stop
        SEA 11:45 AM
        Bucharest - Seattle | Wed, Apr 22 | Delta Air Lines
        $541
        11% off
        $605 $541
      • SEA 6:40 PM
        32h 5m
        1 stop
        OTP 12:45 PM
        Seattle - Bucharest | Tue, Apr 21 | Delta Air Lines
        OTP 7:05 AM
        14h 40m
        1 stop
        SEA 11:45 AM
        Bucharest - Seattle | Wed, Apr 29 | Delta Air Lines
        $541
        11% off
        $605 $541
      • SEA 1:45 PM
        17h 35m
        1 stop
        OTP 5:20 PM
        Seattle - Bucharest | Wed, Apr 22 | Delta Air Lines
        OTP 7:05 AM
        14h 40m
        1 stop
        SEA 11:45 AM
        Bucharest - Seattle | Thu, Apr 30 | Delta Air Lines
        $545
        10% off
        $605 $545
      • SEA 2:10 PM
        16h 10m
        1 stop
        OTP 4:20 PM
        Seattle - Bucharest | Tue, May 5 | Lufthansa
        OTP 6:05 AM
        16h 15m
        1 stop
        SEA 12:20 PM
        Bucharest - Seattle | Wed, May 13 | United Airlines
        $550
        9% off
        $605 $550
      • SEA 2:10 PM
        23h 40m
        1 stop
        OTP 11:50 PM
        Seattle - Bucharest | Mon, May 4 | United Airlines
        OTP 6:05 AM
        16h 15m
        1 stop
        SEA 12:20 PM
        Bucharest - Seattle | Tue, May 12 | United Airlines
        $550
        9% off
        $605 $550
      • SEA 2:10 PM
        23h 20m
        1 stop
        OTP 11:30 PM
        Seattle - Bucharest | Tue, May 5 | United Airlines
        OTP 6:05 AM
        16h 15m
        1 stop
        SEA 12:20 PM
        Bucharest - Seattle | Wed, May 13 | United Airlines
        $550
        9% off
        $605 $550
      • SEA 1:00 PM
        17h 25m
        1 stop
        BUH Invalid Date
        Seattle - Bucharest | Tue, Apr 14 | Normal Airline
        BUH 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        Bucharest - Seattle | Thu, Apr 16 | Normal Airline
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        Find more flights
      • SEA 1:30 PM
        25h 20m
        1 stop
        OTP 12:50 AM
        Seattle - Bucharest | Sun, Apr 19 | British Airways
        $617 $1,195
        48% off
        48% off
        $1,195 $617
      • SEA 8:20 PM
        33h 5m
        1 stop
        OTP 3:25 PM
        Seattle - Bucharest | Mon, Apr 13 | British Airways
        $622 $1,195
        48% off
        48% off
        $1,195 $622
      • SEA 7:10 PM
        33h 25m
        1 stop
        OTP 2:35 PM
        Seattle - Bucharest | Mon, Apr 13 | Turkish Airlines
        $630 $1,195
        47% off
        47% off
        $1,195 $630
      • SEA 7:10 PM
        15h 5m
        1 stop
        OTP 8:15 PM
        Seattle - Bucharest | Sun, Apr 19 | Turkish Airlines
        $631
        47% off
        $1,195 $631
      • SEA 6:50 PM
        20h 20m
        1 stop
        OTP 1:10 AM
        Seattle - Bucharest | Sun, Apr 19 | United Airlines
        $731
        39% off
        $1,195 $731
      • SEA 2:10 PM
        23h 40m
        1 stop
        OTP 11:50 PM
        Seattle - Bucharest | Mon, Apr 13 | United Airlines
        $749
        37% off
        $1,195 $749
      • SEA 6:50 PM
        20h 20m
        1 stop
        OTP 1:10 AM
        Seattle - Bucharest | Sun, Apr 19 | Lufthansa
        $750
        37% off
        $1,195 $750
      • SEA 2:10 PM
        23h 40m
        1 stop
        OTP 11:50 PM
        Seattle - Bucharest | Mon, Apr 13 | Lufthansa
        $767
        36% off
        $1,195 $767
      • SEA 1:45 PM
        17h 35m
        1 stop
        OTP 5:20 PM
        Seattle - Bucharest | Sun, Apr 19 | Delta Air Lines
        $1,083
        9% off
        $1,195 $1,083
      • SEA 6:40 PM
        32h 5m
        1 stop
        OTP 12:45 PM
        Seattle - Bucharest | Mon, Apr 13 | Delta Air Lines
        $1,087
        9% off
        $1,195 $1,087
      • SEA 1:00 PM
        17h 25m
        1 stop
        BUH Invalid Date
        Seattle - Bucharest | Tue, Apr 14 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Seattle to Bucharest are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Seattle to Bucharest

The distance between Seattle and Bucharest is approximately 9,333.11 km. Based on Trip.com's data travel demand peaks in January. The off-season for travel is September.

Cheapest one-way flight price$617
Cheapest round-trip ticket price$535
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance9,333.11 km
Popular airlineTurkish Airlines
Flight statistics for the Seattle–Bucharest route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Seattle to Bucharest (SEA-BUH)?

    Based on Trip.com data, British Airways offers one-way fares as low as $617 on Cheapest nonstop routes (e.g. SEA to OTP on Sun, Apr 19), while Lufthansa offers Cheapest nonstop round-trips from $535 departing on Wed, Apr 22 and returning on Tue, Apr 28.
  • At the moment, several airlines serve connecting flights from Seattle to Bucharest, including: Turkish Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Bucharest is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Seattle to Bucharest, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Apr 19, with one-way flights priced at just $617.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is British Airways.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Bucharest travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Bucharest is September, when demand for travel is lower.
  • After crunching the numbers on our April flight calendar, it's currently cheapest to fly from Seattle to Bucharest on April 19, 2026 with United Airlines, with prices starting at $461.
  • You can land at any one of the following hubs in Bucharest, with Seattle-Tacoma International Airport to Bucharest Henri Coandă International Airport (SEA-OTP) is by far the most common option on this route: Bucharest Henri Coandă International Airport (OTP) Bucharest Băneasa - Aurel Vlaicu International Airport (BBU).
  • The time difference between Bucharest and Seattle is 10h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.