SEA - OTP

$237 Find Cheap Flights from Seattle to Bucharest

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Bucharest departing on 9/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Bucharest Otopeni Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Bucharest.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Bucharest.
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Flights Deals

Cheap Flights from Seattle to Bucharest (SEA-OTP)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Bucharest that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Bucharest

Sun, Sep 7 - Wed, Nov 12
Scandinavian Airlines Logo
4:00 pm - 9:10 pmSEA-OTP
19h 10m1 stop
Scandinavian Airlines Logo
1:00 pm - 11:24 pmOTP-SEA
44h 24m2 stops
$533Scandinavian Airlines
Find Deal
Sun, Oct 5 - Wed, Nov 12
Scandinavian Airlines Logo
4:20 pm - 9:10 pmSEA-OTP
18h 50m1 stop
Scandinavian Airlines Logo
1:00 pm - 10:13 pmOTP-SEA
43h 13m2 stops
$539Scandinavian Airlines
Find Deal
Sun, Aug 24 - Fri, Sep 19
Scandinavian Airlines Logo
4:00 pm - 9:10 pmSEA-OTP
19h 10m1 stop
Scandinavian Airlines Logo
9:50 pm - 9:53 pmOTP-SEA
34h 03m2 stops
$577Scandinavian Airlines
Find Deal
Fri, Sep 5 - Wed, Nov 12
Scandinavian Airlines Logo
4:00 pm - 8:35 pmSEA-OTP
18h 35m1 stop
Scandinavian Airlines Logo
1:00 pm - 11:24 pmOTP-SEA
44h 24m2 stops
$583Scandinavian Airlines
Find Deal
Wed, Oct 8 - Wed, Nov 12
Turkish Airlines Logo
7:10 pm - 8:25 pmSEA-OTP
15h 15m1 stop
Turkish Airlines Logo
10:10 am - 5:05 pmOTP-SEA
16h 55m1 stop
$584Turkish Airlines
Find Deal
Tue, Aug 12 - Fri, Sep 5
Turkish Airlines Logo
7:10 pm - 8:25 pmSEA-OTP
15h 15m1 stop
Turkish Airlines Logo
9:30 am - 10:35 amOTP-SEA
35h 05m1 stop
$587Turkish Airlines
Find Deal
Mon, Sep 1 - Fri, Nov 14
United Airlines Logo
9:05 am - 4:50 pmSEA-OTP
21h 45m2 stops
United Airlines Logo
5:55 am - 12:10 pmOTP-SEA
16h 15m1 stop
$609United Airlines
Find Deal
Tue, Oct 7 - Thu, Nov 13
Lufthansa Logo
10:00 am - 1:00 pmSEA-OTP
17h 00m2 stops
Lufthansa Logo
5:55 am - 12:10 pmOTP-SEA
16h 15m1 stop
$610Lufthansa
Find Deal
Tue, Sep 2 - Thu, Nov 13
United Airlines Logo
8:45 am - 4:50 pmSEA-OTP
22h 05m2 stops
United Airlines Logo
5:55 am - 6:57 pmOTP-SEA
23h 02m2 stops
$614United Airlines
Find Deal
Tue, Aug 5 - Fri, Aug 22
Delta Logo
9:30 pm - 12:10 pmSEA-OTP
28h 40m2 stops
Delta Logo
6:30 am - 10:25 pmOTP-SEA
25h 55m2 stops
$635Delta
Find Deal
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KAYAK's insights & trends for Seattle to Bucharest flights

Get data-powered insights and trends into flights from Seattle to Bucharest to help you find the cheapest flights, the best time to fly and much more.

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

What’s the cheapest day of the week to fly from Seattle to Bucharest?

The average price of all round-trip flights from Seattle to Bucharest Otopeni Intl Airport clicked on KAYAK for each day over the last 12 months.

For Seattle to Bucharest, Sunday is the cheapest day to fly on average and Thursday is the most expensive. Flying from Bucharest back to Seattle, the best deals are generally found on Saturday, with Monday being the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Bucharest Otopeni Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Bucharest Otopeni Intl Airport is February, where tickets cost $709 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $2,221 and $1,439 respectively.

How far in advance should I book a flight from Seattle to Bucharest Otopeni Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to Bucharest Otopeni Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Seattle to Bucharest Otopeni Intl Airport, you should book around 5 weeks before departure. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Good to know

Low seasonJanuary
High seasonDecember
Cheapest flight$237
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly with an average 120% increase in price.
Flight from Seattle to Bucharest

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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Seattle to Bucharest flights

  • What is the cheapest flight from Seattle to Bucharest Otopeni Intl Airport?

    In the last 3 days, the lowest price for a flight from Seattle to Bucharest Otopeni Intl Airport was $237 for a one-way ticket and $533 for a round-trip.

  • Do I need a passport to fly between Seattle and Bucharest?

    Yes, you’ll need a passport to travel to Bucharest from Seattle.

  • Which aircraft models fly most regularly from Seattle to Bucharest?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Seattle to Bucharest?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Seattle and Bucharest, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Seattle to Bucharest, Delta or Air France?

    The two airlines most popular with KAYAK users for flights from Seattle to Bucharest are Delta and Air France. With an average price for the route of $960 and an overall rating of 8.0, Delta is the most popular choice. Air France is also a great choice for the route, with an average price of $807 and an overall rating of 7.5.

  • How does KAYAK find such low prices on flights from Seattle to Bucharest?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Bucharest.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Bucharest?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bucharest from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Bucharest?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Bucharest with an airline and back to Seattle with another airline. Booking your flights between Seattle and OTP can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Bucharest?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Bucharest from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines serving from Seattle to Bucharest

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Bucharest. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Seattle to Bucharest? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 7951 reviews
7.9Comfort
7.3Food
8.5Crew
8.2Boarding
7.9Entertainment
Airline reviews

Very late arrival at PWM. Late jet getting to ATL. Equipment problem with aircraft - could not get enough water onto plane., Another delay getting FAA approval for flight with bottled H2O. Not the crew’s problem.

4.0 OkayJames, Jul 2025MSN - ATL
Read more Delta reviews

Very late arrival at PWM. Late jet getting to ATL. Equipment problem with aircraft - could not get enough water onto plane., Another delay getting FAA approval for flight with bottled H2O. Not the crew’s problem.

Everything was fine except the entertainment was not working for half of the flight.

Easy boarding with an extremely kind attendant. Seats were spacious and we had 3 seats for 2 people so we could stretch out. Comfortable air flow and very attentive and hospital attendants. Bathrooms and food were the only negative. Bathrooms were so small you could hardly get in and close the door. I don’t think an obese person would fit or a person with a movement disability. Food was the trending food for flights, nonexistent. We spent $40 getting sandwich and snack at airport for our 6 hour flught.

At first, we were on the runway for about an hour, literally. The Captain did explain that the Control Tower just had a change shift (sounds like an unrealistic excuse) and then that we had to change a runway. A regular economy seat is made for 12 yo twiggy. I understand Delta wants to push for an upgrade, but after sitting in a Comfort seat and in First class. I would say First class is not worthy of my money. The landing was delayed because of the weather in NYC, I don't hold that against Delta, of course. The Captain did alert us to that upon takeoff in Vegas and again as we reached NY.

No one fussed at me about my pap machine as a 3rd pice on the plane. Boarding was pleasant and smooth. The boarding agent in Anchorage was a fun character- he could be in a movie. :~) The on-board crew were downright pleasant. No militant attitudes on Delta. Like all planes these days the seats are too narrow for standard Americans and at 5’2” there is barely enough leg room. I don’t know how tall people fold themselves into the seats. But that’s nothing specific to Delta

Great. Very smooth. Plenty of information. However, wish they would give out a menu in advance of making a dinner choice like other international airlines. The flight attendant says chicken or pasta and there are details about ingredients or spices requiring the passenger to ask which requires the flight attendant to answer many times. So easy to solve this problem. P

I'm a tall guy and even the seats with more leg room were not as comfortable as I had hoped.

My husband upgraded our seats and I don't know if it was due to the type of planet was or if they didn't upgrade our seats. We were supposed to be in I believe comfort seats and they were just as tight as any other seat- no leg room and we are very tall people but at least it wasn't extremely cold. My husband did put in a complaint about our seating because he paid extra and if we would have known that the space and the tightness would have been the same, we just would have gotten the emergency row emergency row seats that we normally get. We love Delta but both our flights coming home we're not good. Oh I forgot to mention that on our flight to Hawaii our luggage wheels got broke and we had to purse new luggage on vacation then we never had this problem so we didn't know protocol and reported it after we got home only for them to tell is we only had 24hrs to report the damage. Not sure what was going on with Delta this vacation trip.

My flight was extremely cold. I had a jacket and a cover was left in each seat. The cover was extremely thin and I have a disability, fibromyalgia and arthrithis and AC air is the worst. I closed my vent and my husbands vent and it still was frigid. I asked the attendant if I could get another cover and she quickly almost dismissively and totally unconcerned stating, (I quote) (one per chair) and walked off so quickly that I didn't get a chance to explain to her that I literally have adisability. I didnt want to make a seen so I set on that flight for over 5 hours in pain, joints locking up and extremely uncomfortable. When my fibromyalgia flares up my joints not only ache but they will lock up also and it takes me days to get back to my regular self even though I take medication for it. I felt like it would not have hurt anyone at all for her to just give me an extra cover because I'm sure they have all types of medical issues in people that fly every day.

After all the weather issues at least they got me to my destination the next day

My flight was delayed by 6 hours then I missed BOTH of my connecting flights, I then had to stay in the AIRPORT at JFK because soooooo many people also suffered from missing flights and there was no hotels available. I would like to be compensated for this experience! I had to stay in the airport for over 16 hours!

Klm start boarding while somw air issue in the plan

The service was great. However the lounge only gets passing grade

I appreciate that KLM was proactive in informing me of the 2 hour delay which enabled me to replan my travel. It was a bit stressful not knowing whether my connection from Montreal to Ottawa was happening. But the ground and air crew did a good job at comforting and assuring me.

Cabin crew professional, polite and friendly, boarding was seemless, but come on KLM surely you can do better than a pack of cheesy biscuits as an inflight snack

Cabin crew were excellent, very proffesional, polite and friendly, in flight snack was underwhelming, a packet of cheese biscuits, im sure KLM could run to a sandwich!

Legroom not all it could be, especially when the seat in front is reclined. Otherwise it was good, food and beverage were nice.

This portion of the flight was through Indigo. A local carrier. So all economy seating. No real service some refreshments for purchase standard economy stuff.

You should not have to pay for WiFi in business class

Overall very positive. Boarding was quick and organized. Cabin was clean and seats were reasonably comfortable. Cabin crew was excellent and the meals provided were also of good quality

The food was great and the service and attitude was amazing!!

It was a great experience. The only thing I would have changed was that the bathrooms were never cleaned and they got very dirty.

Old airplanes small seats expensive tickets, not as expected overall and not comfortable according to the price

It was an OK flight with below mediocre service by their flight attendants

Wasted a lot of time trying to find the CDG lounge - it was not next to the connecting flight gate like the Air France staff said.

My experience was good overall, the quality of the food really decreased! There used to be a choice between meat and fish now it’s between chicken and pasta! In the choices of entertainment meditation has been added which is very good. Soft chair workout to improve blood circulation and avoid phlebitis should be added.

The only reason the overall rating wasn't "excellent" was due to problems in claiming luggage. The bags are delivered to the main area (Cinta 35) for domestic passengers, but to a DIFFERENT ROOM for international arrivees. After waiting 30 minutes, someone (who didn't appear to be from Air France or the airport) told us to go to another area. There we found our bags, which appeared to have been awaiting us for a while. We had to go through a bag check before leaving the airport. If we had been alerted to this possibility, or better yet, been to go directly to Cinta 34, we could have eliminated quite a bit of waiting.

I wish that the meal included a vegetable or even a salad instead of couscous! Why serve chicken with rice AND couscous? Service was good overall though a bit lacking in friendliness. Usually on air france I've been offered a glass of champagne before dinner, wine with dinner, and a digestif after dinner. We were only offered wine this time!

It was not Air France but Air Europa. But confusion over our checked luggage. Whether it was checked all the way to Tenerife or not. It was not. Had to line up again in Departures. At least our Sky Priority was honoured. Flight was fine.

My wife and I had a row to ourselves after moving seats. There were no TVs and you had to buy food. So we did nothing but had a quick nap. Flight was fine.

The 2 agents on the check in counter were super nice , helpful and very polite. Boarding was like a 1 2 3, I would recommend Turkish airlines for your next trip.

Everything was very good, except that the plane was an hour and a half late

flight with heavy turbulence old boeing 777 rest wasnt clean dashboard doesn’t work

Light and recline did not work on my seat. Very uncomfortable and could not read in the dark

Bad experience; they are not good anymore. They charge too much for luggage seat are so uncomfortable, Flight delays which may miss your next flight, they don’t care if you miss the flight or not. Zero customer services for front desk representatives Istanbul's airport I’m not using this airline any more.

I’ve been traveling for 20 years. I tried Turkish airline for the first time horrible horrible service and it would be my last time even if I get offer for a free ticket, I will not accept it. They have races and the worst Flight attendant

It wasn't good. I didn’t understand. They changed 320 dollars for 2 luggage. My ticket was regular and I paid almost 1200.00 dollars. Why they did charge? I want my money back.. thanks Yılmaz polat

Very punctual, the onboard staff was friendly and correct, the flight was fortunately very calm, the toilets were clean, in short, an excellent experience Thanks

Ordered Vegan meal - it was ok, but not exceptional. Seat ok row 39 middle section aisle. Nearly full flight - crew was busy but they did the best they could. There was a USB A port at the seat. I listened to my own music and only looked at flight information. One nice thing was the connection information was made available in the screen.

Very nice and friendly crew. Boarding system can be improved.

We were charged for luggage, and our ticket was with Lufthansa and was supposed to include luggage fees. So our experience was a bit bad. Also, the flight was about 45 minutes late arriving.

Flight was great only departure was delayed to saome ground crew issues

It was freezing. I asked crew member for a blanket and was told it might be in front of plane but I never got one. I turned off all the vents but still froze.

Cheapest airlines I have ever been on. I got downgraded and never got on united. I got rerouted through Vancouver onto jetwesf

Flight was 1.5 hours late to depart so changed flights to Swiss Air.

The United Airlines crew that operated this flight was subpar. They didn’t

Very small and uncomfortable seats, Hard to hear entertainment system sound. Horrible food. Staff doesn't care much about the passengers. 2nd time they didn't give me my vegetarian meal. They asked me regular food with meat. The airline and staff was from United airlines.

Checkin took along timen only.few angents available at.checkin desk. Customer support over phone no existence

At baggage claim, I was given the wrong printed ticket. The ticket belonged to another passenger for a different flight — to Zurich instead of Frankfurt (layover). I was even allowed to pass security, and when I asked the Lufthansa employee if I was on the correct flight, and why it was changed. The employee said everything was correct and I should board. When I got on the plane, there was someone in my seat, and the crew on the plane finally realized that I was on the wrong plane. When I got off the plane, nobody was willing to help, and the security refused to provide my original printed ticket. That was until I showed them that I took a photo of the ticket; once they realized I had photographic evidence, they were suddenly ready to help me. The Lufthansa employee began communicating with other airlines and found a flight that would take me to my destination via Polish Airlines. I was required to once again go through security, re-check my bag, and once again pay for my checked bag and weight overage fees. This experience was incredibly stressful and very frustrating, as you can imagine. A Lufthansa employee told me I would be eligible for a refund. Please tell me what steps I need to take in order to make that happen. Thank you!

The row of seats were so cramped it was difficult to get in and out of your seat. I even upgraded. A long flight and sad accommodations 😵‍💫 the shorter flight was very comfortable and the seating was spacious

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