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SEA - OTP

$277 Find Cheap Flights from Seattle to Bucharest - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$674
Typical prices: $702-$1,170
Turkish Airlines
Fri 11/2Sat 11/17
SEA - OTP • 1 stop
Cheapest one-way
$277
Typical prices: $448-$622
Multiple Airlines
Wed 10/31
SEA - OTP • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Seattle and Bucharest Otopeni Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
14 weeks
in advance
Our data shows that travelers who book at least 14 weeks in advance save around 46% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 40% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
London Heathrow (LHR)
Cheapest • Avg $712 (round-trip)
Munich Franz Josef Strauss (MUC)
Shortest trip • 14h 34m (one-way)
Insights
Insights
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We hope you love your trip to Bucharest Otopeni Intl Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to Bucharest (SEA-OTP)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Bucharest

Mon, Nov 2 - Tue, Nov 17
Turkish Airlines Logo
8:05 pm - 8:15 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
14h 10m1 stop Istanbul
Turkish Airlines Logo
9:35 pm - 5:10 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
29h 35m1 stop Istanbul
$674Turkish Airlines
Mon, Nov 30 - Fri, Dec 11
Turkish Airlines Logo
7:05 pm - 8:15 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
15h 10m1 stop Istanbul
Turkish Airlines Logo
9:35 pm - 5:10 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
29h 35m1 stop Istanbul
$674Turkish Airlines
Mon, Nov 16 - Mon, Nov 23
Multiple Airlines Logo
2:35 pm - 1:45 amSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
25h 10m3 stops Reykjavik Keflavik Intl Stockholm Arlanda Warsaw Frederic Chopin
Multiple Airlines Logo
4:05 pm - 5:00 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
34h 55m3 stops Belgrade Nikola Tesla Stockholm Arlanda Reykjavik Keflavik Intl
$703Multiple Airlines
Tue, Jan 19 - Thu, Feb 4
Multiple Airlines Logo
7:45 am - 3:50 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
22h 05m2 stops Toronto Pearson Intl Zurich
Multiple Airlines Logo
6:00 am - 2:37 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
18h 37m2 stops Frankfurt am Main Vancouver Intl
$707Multiple Airlines
Tue, Jan 19 - Wed, Feb 3
British Airways Logo
6:06 am - 3:05 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
22h 59m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
8:25 am - 4:50 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
18h 25m1 stop London Heathrow
$712British Airways
Tue, Jan 19 - Tue, Feb 2
British Airways Logo
12:52 pm - 12:05 amSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
25h 13m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
8:20 am - 4:50 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
18h 30m1 stop London Heathrow
$712British Airways
Fri, Feb 5 - Thu, Feb 18
KLM Logo
11:25 am - 3:25 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
18h 00m2 stops Salt Lake City Amsterdam Schiphol
KLM Logo
6:00 am - 11:47 amOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
15h 47m1 stop Amsterdam Schiphol
$777KLM
Fri, Feb 5 - Thu, Feb 18
KLM Logo
11:25 am - 3:25 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
18h 00m2 stops Salt Lake City Amsterdam Schiphol
KLM Logo
6:00 am - 11:47 amOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
15h 47m1 stop Amsterdam Schiphol
$778KLM
Sun, Nov 1 - Tue, Nov 17
Lufthansa Logo
2:50 pm - 6:30 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
17h 40m1 stop Munich Franz Josef Strauss
Lufthansa Logo
7:15 pm - 12:00 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
26h 45m2 stops Munich Franz Josef Strauss Frankfurt am Main
$824Lufthansa
Sun, Nov 1 - Tue, Nov 17
Lufthansa Logo
2:50 pm - 11:55 pmSEA  Seattle/Tacoma Intl-OTP Bucharest Otopeni Intl
23h 05m2 stops Munich Franz Josef Strauss Frankfurt am Main
Lufthansa Logo
7:15 pm - 12:00 pmOTP  Bucharest Otopeni Intl-SEA Seattle/Tacoma Intl
26h 45m2 stops Munich Franz Josef Strauss Frankfurt am Main
$849Lufthansa
Booking Insights

Price, demand and travel trends for Seattle to Bucharest Otopeni Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Seattle to Bucharest Otopeni Intl Airport?

Round-trip flights from Seattle to Bucharest Otopeni Intl Airport typically range from $702 to $1,170. The lowest price found in the past 5 days was $674, on Turkish Airlines.

What's the cheapest day of the week to fly from Seattle to Bucharest Otopeni Intl Airport?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Seattle to Bucharest Otopeni Intl Airport. It’s 16% cheaper than the average day, while Thursday is the most expensive, with prices 30% higher.

What’s the cheapest month to fly from Seattle to Bucharest Otopeni Intl Airport?

•January is the cheapest month to fly from Seattle to Bucharest Otopeni Intl Airport at $539 round-trip.
•December ($1,255) and June ($1,085) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 132% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Seattle to Bucharest Otopeni Intl Airport the cheapest?

Flights from Seattle to Bucharest Otopeni Intl Airport are cheapest 14 weeks before departure. Booking in this window typically costs about 46% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Seattle to Bucharest Otopeni Intl Airport flights

Low season

October

Cheapest flight

$277
Beat the crowds with an average 76% drop in travelers.
The most popular month to fly with an average 49% increase in travelers.
One-way flight from Seattle to Bucharest Otopeni Intl Airport

When to book flights from Seattle to Bucharest

Are your dates flexible? Find out the best times to travel from Seattle to Bucharest based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Bucharest Otopeni Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Seattle to Bucharest Otopeni Intl Airport?

    Three cabin classes are available on flights from Seattle to Bucharest Otopeni Intl Airport:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Seattle to Bucharest Otopeni Intl Airport?

    A nonstop flight from Seattle to Bucharest Otopeni Intl Airport takes 00m, covering 5,791 miles.

  • Do I need a passport to fly from Seattle to Bucharest Otopeni Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Seattle to Bucharest Otopeni Intl Airport flight?

    Round-trip flights from Seattle to Bucharest Otopeni Intl Airport range from $702 to $1,170, with an average of $897 over the past 12 months. Anything below $702 counts as a good deal.

  • How expensive are last-minute Seattle to Bucharest Otopeni Intl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 21% above the $897 route average. Book 14 weeks before departure for the lowest fares.

  • Have flight prices from Seattle to Bucharest Otopeni Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $674 to $2,427. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Seattle to Bucharest Otopeni Intl Airport looking right now?

    One-way fares from Seattle to Bucharest Otopeni Intl Airport are currently higher than usual. Average one-way flight prices are about $661, which is 23% above the typical average for this route.

  • What car rental options are available at Bucharest Otopeni Intl Airport (OTP)?

    Bucharest Otopeni Intl Airport (OTP) hosts 5 major car rental companies, with daily rates starting from around $1 for economy cars. Top options include:

    • Klass Wagen
    • Pricecarz
    • Payless
    • Sixt
    • ADDCAR RENTAL

  • Which airports can I use when flying from Seattle to Bucharest Otopeni Intl Airport?

    Flights from Seattle to Bucharest Otopeni Intl Airport usually depart from Seattle/Tacoma Intl (SEA) and arrive at Bucharest Otopeni Intl (OTP).

  • Which airports do connecting flights from Seattle to Bucharest Otopeni Intl Airport pass through?

    One-stop flights from Seattle to Bucharest Otopeni Intl Airport most commonly connect through:

    • Istanbul (IST) - 47% of one-stop connections
    • Amsterdam Schiphol (AMS) - 16% of one-stop connections
    • London Heathrow (LHR) - 14% of one-stop connections
    • Munich Franz Josef Strauss (MUC) - 9% of one-stop connections

  • Can I save money by using flexible dates for flights from Seattle to Bucharest Otopeni Intl Airport?

    Yes. Flexible dates can save you up to 35% on flights from Seattle to Bucharest Otopeni Intl Airport. Wednesday is the cheapest departure day at $762 round-trip on average, while Thursday is the most expensive at $1,167, a difference of $405.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Seattle to Bucharest Otopeni Intl Airport?

    Flying via Munich Franz Josef Strauss (MUC) gives the shortest average 1-stop total travel time at 14h 34m, compared with 15h 29m via Amsterdam Schiphol (AMS) and 15h 51m via Paris Charles de Gaulle (CDG).

  • What is the time difference between Seattle and Bucharest Otopeni Intl Airport?

    Bucharest Otopeni Intl Airport is 10 hours ahead of Seattle (Eastern European Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Bucharest Otopeni Intl Airport?

    Some of the most popular sights in Bucharest Otopeni Intl Airport are Palace of the Parliament, National Theatre Bucharest and RomExpo. These are among the most viewed places in Bucharest Otopeni Intl Airport on KAYAK.

Your guide to booking Seattle to Bucharest Otopeni Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Thursday. On this route, Wednesday flights average $762, about $405 less than Thursday fares (35% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 14 weeks before you fly. On this route, that window historically saves about 46% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Seattle to Bucharest Otopeni Intl Airport trip for January. Fares historically average $539 round-trip in that month - typically $716 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Bucharest Otopeni Intl Airport.

    • Hilton Garden Inn Bucharest Airport

More options for your flight from Seattle to Bucharest

Complete your trip to Bucharest with a hotel stay or car rental

Car rentals in Bucharest
Hotels in Bucharest
Vacations in Bucharest