Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Bucharest from $262

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Bucharest departing on 7/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:00 am - 11:55 pm
PDX
-
OTP
27h 55m
2 stops
United Airlines Logo
6:05 am - 10:45 pm
OTP
-
PDX
25h 40m
2 stops
$564United Airlines
Wed, Mar 11 - Wed, Mar 25
United Airlines Logo
7:15 am - 11:50 pm
PDX
-
OTP
30h 35m
2 stops
United Airlines Logo
6:05 am - 8:25 pm
OTP
-
PDX
24h 20m
2 stops
$637United Airlines
Wed, May 13 - Sat, May 23
United Airlines Logo
1:37 pm - 11:50 pm
PDX
-
OTP
24h 13m
2 stops
United Airlines Logo
6:05 am - 8:04 pm
OTP
-
PDX
23h 59m
2 stops
$638United Airlines
Wed, May 13 - Sat, May 23
British Airways Logo
7:30 pm - 12:20 am
PDX
-
OTP
18h 50m
1 stop
British Airways Logo
8:00 pm - 9:32 pm
OTP
-
PDX
35h 32m
2 stops
$642British Airways
Wed, May 13 - Sat, May 23
British Airways Logo
6:45 pm - 11:25 pm
PDX
-
OTP
19h 40m
1 stop
British Airways Logo
8:00 am - 4:55 pm
OTP
-
PDX
17h 55m
1 stop
$643British Airways
Fri, Mar 13 - Fri, Mar 20
American Airlines Logo
1:09 pm - 7:05 pm
PDX
-
OTP
19h 56m
2 stops
American Airlines Logo
8:15 am - 10:50 pm
OTP
-
PDX
24h 35m
2 stops
$649American Airlines
Fri, May 15 - Wed, May 27
American Airlines Logo
1:09 pm - 7:05 pm
PDX
-
OTP
19h 56m
2 stops
American Airlines Logo
8:15 am - 11:47 pm
OTP
-
PDX
25h 32m
2 stops
$650American Airlines
Fri, May 15 - Wed, May 27
British Airways Logo
7:30 pm - 1:20 am
PDX
-
OTP
19h 50m
1 stop
British Airways Logo
3:40 pm - 9:32 pm
OTP
-
PDX
39h 52m
2 stops
$659British Airways
Thu, May 21 - Mon, Jun 1
Multiple Airlines Logo
7:30 pm - 11:50 pm
PDX
-
OTP
18h 20m
1 stop
Multiple Airlines Logo
8:15 am - 10:50 pm
OTP
-
PDX
24h 35m
2 stops
$669Multiple Airlines
Fri, May 15 - Wed, May 27
Lufthansa Logo
9:50 am - 1:05 am
PDX
-
OTP
29h 15m
2 stops
Lufthansa Logo
5:55 am - 6:49 pm
OTP
-
PDX
22h 54m
2 stops
$680Lufthansa
Tue, Feb 10 - Tue, Feb 24

Lufthansa flights from Portland to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on Portland to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
Feb 10
PDX9:50 amPortland
29h 15m
2 stops
OTP1:05 amBucharest Otopeni Intl
Feb 24
OTP5:55 amBucharest Otopeni Intl
22h 54m
2 stops
PDX6:49 pmPortland
$680
Lufthansa
May 21
PDX10:10 amPortland
27h 10m
2 stops
OTP11:20 pmBucharest Otopeni Intl
Jun 1
OTP5:15 pmBucharest Otopeni Intl
33h 32m
2 stops
PDX4:47 pmPortland
$688

United Airlines flights from Portland to Bucharest Otopeni Intl Airport

Our best United Airlines deals on Portland to Bucharest Otopeni Intl Airport flight tickets
United Airlines
Mar 11
PDX11:00 amPortland
27h 55m
2 stops
OTP11:55 pmBucharest Otopeni Intl
Mar 25
OTP6:05 amBucharest Otopeni Intl
25h 40m
2 stops
PDX10:45 pmPortland
$564
United Airlines
May 13
PDX7:15 amPortland
30h 35m
2 stops
OTP11:50 pmBucharest Otopeni Intl
May 23
OTP6:05 amBucharest Otopeni Intl
24h 20m
2 stops
PDX8:25 pmPortland
$637
United Airlines
May 13
PDX1:37 pmPortland
24h 13m
2 stops
OTP11:50 pmBucharest Otopeni Intl
May 23
OTP6:05 amBucharest Otopeni Intl
23h 59m
2 stops
PDX8:04 pmPortland
$638

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Bucharest Otopeni Intl Airport 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, momondo users made 832,500 searches. Data last updated January 28, 2026.
Use the filters below to find and compare flights from Portland to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Wed 3/11

11:00 am-11:55 pm

2 stops27h 55m

Bucharest Otopeni Intl

Wed 3/25

6:05 am-10:45 pm

2 stops25h 40m

$564

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Wed 5/13

7:15 am-11:50 pm

2 stops30h 35m

Bucharest Otopeni Intl

Sat 5/23

6:05 am-8:25 pm

2 stops24h 20m

$637

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Wed 5/13

1:37 pm-11:50 pm

2 stops24h 13m

Bucharest Otopeni Intl

Sat 5/23

6:05 am-8:04 pm

2 stops23h 59m

$638

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Wed 5/13

7:30 pm-12:20 am

1 stop18h 50m

Bucharest Otopeni Intl

Sat 5/23

8:00 pm-9:32 pm

2 stops35h 32m

$642

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Fri 3/13

6:45 pm-11:25 pm

1 stop19h 40m

Bucharest Otopeni Intl

Fri 3/20

8:00 am-4:55 pm

1 stop17h 55m

$643

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Fri 5/15

1:09 pm-7:05 pm

2 stops19h 56m

Bucharest Otopeni Intl

Wed 5/27

8:15 am-10:50 pm

2 stops24h 35m

$649

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Fri 5/15

1:09 pm-7:05 pm

2 stops19h 56m

Bucharest Otopeni Intl

Wed 5/27

8:15 am-11:47 pm

2 stops25h 32m

$650

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Thu 5/21

7:30 pm-1:20 am

1 stop19h 50m

Bucharest Otopeni Intl

Mon 6/1

3:40 pm-9:32 pm

2 stops39h 52m

$659

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Fri 5/15

7:30 pm-11:50 pm

1 stop18h 20m

Bucharest Otopeni Intl

Wed 5/27

8:15 am-10:50 pm

2 stops24h 35m

$669

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Tue 2/10

9:50 am-1:05 am

2 stops29h 15m

Bucharest Otopeni Intl

Tue 2/24

5:55 am-6:49 pm

2 stops22h 54m

$680

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Bucharest from

How to get the cheapest flight ticket from Portland to Bucharest Otopeni Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Portland and Bucharest Otopeni Intl Airport?

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

If you aren’t able to travel during the month of December, then book flights to Bucharest Otopeni Intl Airport from Portland during October instead. Flights to Bucharest Otopeni Intl Airport in October, while not as cheap as those in December, still average around $682.

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

You are more likely to see cheaper flights to Bucharest Otopeni Intl Airport from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest Otopeni Intl Airport for around $903 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest Otopeni Intl Airport from Portland for as low as $745 on momondo.

Can stopping save me money on Portland to Bucharest Otopeni Intl Airport flights?

You could potentially save up to 68% on your flight if you consider stops on a Portland to Bucharest Otopeni Intl Airport flight.

When to book flights from Portland to Bucharest Otopeni Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Bucharest Otopeni Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Bucharest Otopeni Intl Airport (PDX to OTP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Bucharest Otopeni Intl Airport

Fastest flight time

18h 20m

Direct flights

None
The fastest flight from Portland to Bucharest Otopeni Intl Airport takes 18h 20m
There are no direct flights from Portland to Bucharest Otopeni Intl Airport. There are no popular flight routes from Portland to Bucharest Otopeni Intl Airport.
Search flight deals

  • How far is Portland to Bucharest Otopeni Intl by plane?

    The straight-line distance from Portland to Bucharest Otopeni Intl is 5921.2 mi. In terms of flight time, this usually takes a little over 18h 20m.

  • When did momondo last update prices for flights from Portland Airport to Bucharest Otopeni Intl Airport?

    Prices for flights from Portland Airport to Bucharest Otopeni Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Bucharest Otopeni Intl Airport?

  • How old do you have to be to fly from Portland Airport to Bucharest Otopeni Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Bucharest Otopeni Intl Airport.

  • What documentation or ID do you need to fly to Bucharest Otopeni Intl Airport?

    The travel and health documents required for your trip to Bucharest Otopeni Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bucharest Otopeni Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Portland to Bucharest Otopeni Intl Airport?

Best airlines flying from Portland to Bucharest Otopeni Intl Airport

Compare and see reviews for airlines that fly from Portland to Bucharest Otopeni Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $516Free CancellationRating
7.4
9,214 reviews
Search United Airlines flights
British AirwaysPriceFrom $539Free CancellationRating
6.7
7,705 reviews
Search British Airways flights
DeltaPriceFrom $570Free CancellationRating
7.9
8,127 reviews
Search Delta flights
KLMPriceFrom $627Free CancellationRating
7.7
1,443 reviews
Search KLM flights
Air CanadaPriceFrom $779Free CancellationRating
7.1
10,666 reviews
Search Air Canada flights

Traveling to a place near Bucharest?

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

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Bucharest?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Bucharest for you.

Can I find flights from Portland to Bucharest with flexible booking policies on momondo?

Yes. All flights to Bucharest from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Portland to Bucharest?

Once you have performed a search for Portland to Bucharest flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Portland to Bucharest right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Portland to Bucharest now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Bucharest and let you know when they change.

An easier way to manage your Bucharest Otopeni Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 2/27
Fri 3/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bucharest