HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Otopeni Intl

$549+ Cheap flights from Portland (PDX) to Otopeni Intl (OTP)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — OTP
Mar 1 — Mar 81
Sun 3/1
Sun 3/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Otopeni Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Portland to Otopeni Intl

Cheapest flights from Portland to Otopeni Intl
Explore the most affordable flight options available from Portland to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2026.

This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:30 pm
PDX
-
OTP
2 stops26h 30m
United Airlines
Tue 8/256:05 am
OTP
-
PDX
2 stops26h 39m
United Airlines
Deal found 1/29$549
This KAYAK deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:30 pm
PDX
-
OTP
2 stops23h 40m
Lufthansa
Tue 8/256:05 am
OTP
-
PDX
2 stops28h 48m
Lufthansa
Deal found 1/29$554
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:30 pm
PDX
-
OTP
2 stops26h 30m
United Airlines
Wed 8/266:05 am
OTP
-
PDX
2 stops37h 25m
United Airlines
Deal found 1/29$555
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/211:55 pm
PDX
-
OTP
2 stops32h 40m
United Airlines
Wed 8/266:05 am
OTP
-
PDX
2 stops37h 25m
United Airlines
Deal found 1/29$560
This KAYAK deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:30 pm
PDX
-
OTP
1 stop33h 55m
British Airways
Tue 8/256:10 pm
OTP
-
PDX
1 stop33h 30m
British Airways
Deal found 1/29$562
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:30 pm
PDX
-
OTP
2 stops26h 30m
United Airlines
Fri 8/286:05 am
OTP
-
PDX
2 stops28h 48m
United Airlines
Deal found 1/29$566
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:46 am
PDX
-
OTP
2 stops29h 04m
United Airlines
Wed 8/266:05 am
OTP
-
PDX
2 stops37h 25m
United Airlines
Deal found 1/29$567
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:30 pm
PDX
-
OTP
2 stops26h 30m
United Airlines
Mon 8/241:50 pm
OTP
-
PDX
2 stops38h 15m
United Airlines
Deal found 1/29$570
This KAYAK deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:30 pm
PDX
-
OTP
2 stops23h 40m
Lufthansa
Fri 8/286:05 am
OTP
-
PDX
2 stops28h 48m
Lufthansa
Deal found 1/29$571
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/211:55 pm
PDX
-
OTP
2 stops32h 40m
United Airlines
Fri 8/286:05 am
OTP
-
PDX
2 stops28h 48m
United Airlines
Deal found 1/29$572
This KLM deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1510:42 am
PDX
-
OTP
2 stops19h 43m
KLM
Sun 3/224:50 pm
OTP
-
PDX
1 stop28h 35m
KLM
Deal found 1/29$575
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:46 am
PDX
-
OTP
2 stops21h 34m
United Airlines
Thu 8/271:45 pm
OTP
-
PDX
2 stops29h 45m
United Airlines
Deal found 1/29$578

Find flight deals from Portland to Otopeni Intl

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Otopeni Intl (OTP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$575
(KLM)

Popular in

June

Cheapest in

December

Average price

$767
Provider with most accurate pricing for Portland-Bucharest Otopeni Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Bucharest Otopeni Intl flights.
Search Deals
From Portland to Bucharest Otopeni Intl
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($249 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Otopeni Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 30, 2026.
Use the filters below to find and compare flights from Portland to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Portland

Fly to

Otopeni Intl

Route

Depart

Return

Price

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sun 3/15

10:42 am-3:25 pm

2 stops19h 43m

Bucharest Otopeni Intl

Sun 3/22

4:50 pm-12:25 pm

1 stop28h 35m

$575

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sun 3/15

1:39 pm-11:50 pm

2 stops25h 11m

Bucharest Otopeni Intl

Sun 3/22

2:50 pm-9:58 pm

2 stops40h 08m

$586

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sat 3/21

7:49 pm-11:50 pm

2 stops43h 01m

Bucharest Otopeni Intl

Tue 3/31

6:05 am-8:42 pm

2 stops48h 37m

$776

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Thu 2/5

8:30 am-2:05 pm

2 stops19h 35m

Bucharest Otopeni Intl

Mon 2/9

2:50 pm-6:56 pm

2 stops38h 06m

$781

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sat 3/21

6:35 am-3:05 pm

2 stops23h 30m

Bucharest Otopeni Intl

Tue 3/31

6:10 pm-5:40 pm

1 stop33h 30m

$926

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Thu 2/5

12:35 pm-7:30 pm

2 stops20h 55m

Bucharest Otopeni Intl

Mon 2/9

8:05 am-3:55 pm

1 stop17h 50m

$1,044

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sun 3/15

11:59 pm-12:30 pm

3 stops27h 31m

Bucharest Otopeni Intl

Sun 3/22

5:55 am-6:30 pm

3 stops21h 35m

$1,328

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 2/23

7:05 am-12:30 am

3 stops31h 25m

$1,756

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Tue 2/24

7:05 am-3:50 pm

3 stops46h 45m

$1,811

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sun 2/22

1:36 pm-12:30 am

3 stops48h 54m

$1,839

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 13 results
1
2

Compare providers for flights from Portland to Otopeni Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Otopeni Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Bucharest Otopeni Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Bucharest Otopeni Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Bucharest Otopeni Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Bucharest Otopeni Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Bucharest Otopeni Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Otopeni Intl

Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Bucharest Otopeni Intl Airport

How far ahead should I book a flight from Portland to Bucharest Otopeni Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Otopeni Intl. Price data was last updated on January 23, 2026.

Booking 34 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to Bucharest Otopeni Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Portland to Bucharest Otopeni Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Portland to Bucharest Otopeni Intl Airport (average of $537). Flying from Portland to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $1,196). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Portland to Bucharest Otopeni Intl Airport?

Reviews of airlines servicing Otopeni Intl

Get insights into the airlines that provide service to Otopeni Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Otopeni Intl. Reviews last updated January 30, 2026.
See what other customers who have flown with Delta, KLM, and United Airlines from Portland to Bucharest Otopeni Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,125 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,125 reviews
Delta
7.9
Good
8,125 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,443 reviews
Delta
7.9
Good
8,125 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,217 reviews
Delta
7.9
Good
8,125 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,668 reviews
Delta
7.9
Good
8,125 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,705 reviews
Delta
7.9
Good
8,125 reviews

Food

7.2

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Portland to Otopeni Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Bucharest Otopeni Intl?

    If you book a flight to Bucharest Otopeni Intl from Portland, you will be flying from Portland, which is the city’s only airport. Portland (PDX) is located 6.0 mi from the center of Portland. There are 0 flights from Portland to Bucharest Otopeni Intl per day from 5 different airlines.

  • How long is the flight from Portland to Bucharest Otopeni Intl Airport?

    Airlines like KLM and United Airlines fly from Portland to Bucharest Otopeni Intl Airport in about 19h 43m. The time it takes to get you to your destination can typically vary by up to 5h 28m. Airlines will cover a distance of 5916 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Portland to Bucharest Otopeni Intl Airport round-trip?

    United Airlines, at $516, was found to be the cheapest airline from Portland to Bucharest Otopeni Intl Airport.Alternate airlines to your destination round-trip include British Airways and Delta. United Airlines is 42% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Portland to Otopeni Intl that include hotel bookings?

    Yes. In addition to deals on Portland to Otopeni Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Otopeni Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Otopeni Intl.

  • Can I find deals for business class flights from Portland to Otopeni Intl?

    Yes. Cheapflights offers flight deals from Portland to Otopeni Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Bucharest Otopeni Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Portland to Bucharest Otopeni Intl Airport (average of $537). Flying from Portland to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $1,196). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Bucharest Otopeni Intl Airport?

Book flights to Bucharest Otopeni Intl Airport if you plan to visit one of these locations
Otopeni

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Portland to Otopeni Intl

Discover the top 5 airlines that operate flights from Portland to Otopeni Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$516Average$753FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$539Average$799FlexibilityNo cancel feeOn-time70%
DeltaCheapest$570Average$1,082FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$627Average$1,060FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$779Average$816FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights