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Cheap flights from Portland to Bucharest from $257

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 11/16. 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

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Cheap round-trip flights

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Multiple Airlines Logo
11:35 am - 3:50 pmPDX-OTP
18h 15m2 stops
Multiple Airlines Logo
8:35 am - 11:25 amOTP-PDX
36h 50m1 stop
$534Multiple Airlines
Find Deal
Mon, Nov 24 - Sun, Dec 7
Multiple Airlines Logo
11:35 am - 3:50 pmPDX-OTP
18h 15m2 stops
Multiple Airlines Logo
6:00 am - 4:08 pmOTP-PDX
20h 08m2 stops
$539Multiple Airlines
Find Deal
Mon, Nov 24 - Sun, Dec 7
Delta Logo
1:25 pm - 5:10 pmPDX-OTP
17h 45m1 stop
Delta Logo
6:00 am - 11:25 amOTP-PDX
15h 25m1 stop
$540Delta
Find Deal
Mon, Nov 24 - Sun, Dec 7
Lufthansa Logo
3:54 pm - 1:05 amPDX-OTP
23h 11m2 stops
Lufthansa Logo
6:05 am - 8:38 pmOTP-PDX
24h 33m2 stops
$638Lufthansa
Find Deal
Wed, Nov 5 - Wed, Nov 12
British Airways Logo
5:45 pm - 11:25 pmPDX-OTP
19h 40m1 stop
British Airways Logo
4:40 pm - 4:55 pmOTP-PDX
33h 15m1 stop
$639British Airways
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Fri, Mar 6 - Tue, Mar 10
KLM Logo
1:25 pm - 3:25 pmPDX-OTP
16h 00m1 stop
KLM Logo
6:00 am - 11:25 amOTP-PDX
15h 25m1 stop
$640KLM
Find Deal
Wed, Nov 5 - Wed, Nov 12
KLM Logo
11:10 am - 3:25 pmPDX-OTP
18h 15m2 stops
KLM Logo
6:00 am - 11:25 amOTP-PDX
15h 25m1 stop
$644KLM
Find Deal
Wed, Nov 5 - Wed, Nov 12
Delta Logo
5:30 am - 10:50 pmPDX-OTP
31h 20m2 stops
Delta Logo
1:55 pm - 9:35 pmOTP-PDX
41h 40m2 stops
$717Delta
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Mon, Dec 29 - Mon, Jan 5
British Airways Logo
5:45 pm - 3:45 pmPDX-OTP
36h 00m1 stop
British Airways Logo
8:05 am - 6:02 pmOTP-PDX
43h 57m2 stops
$1,227British Airways
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Wed, Dec 24 - Wed, Dec 31
Air Canada Logo
9:50 am - 6:40 pmPDX-OTP
22h 50m3 stops
Air Canada Logo
6:05 am - 9:15 amOTP-PDX
37h 10m3 stops
$1,286Air Canada
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Wed, Nov 5 - Wed, Nov 12

Delta flights from Portland to Bucharest Otopeni Intl Airport

Our best Delta deals on Portland to Bucharest Otopeni Intl Airport flight tickets
Delta
Nov 24
PDX1:25 pmPortland
17h 45m
1 stop
OTP5:10 pmBucharest Otopeni Intl
Dec 7
OTP6:00 amBucharest Otopeni Intl
15h 25m
1 stop
PDX11:25 amPortland
$540
Find similar
Delta
Dec 29
PDX5:30 amPortland
31h 20m
2 stops
OTP10:50 pmBucharest Otopeni Intl
Jan 5
OTP1:55 pmBucharest Otopeni Intl
41h 40m
2 stops
PDX9:35 pmPortland
$717
Find similar
Delta
Dec 29
PDX1:25 pmPortland
13h 35m
1 stop
OTP1:00 pmBucharest Otopeni Intl
Jan 5
OTP1:55 pmBucharest Otopeni Intl
41h 40m
2 stops
PDX9:35 pmPortland
$718
Find similar

Lufthansa flights from Portland to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on Portland to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
Nov 5
PDX3:54 pmPortland
23h 11m
2 stops
OTP1:05 amBucharest Otopeni Intl
Nov 12
OTP6:05 amBucharest Otopeni Intl
24h 33m
2 stops
PDX8:38 pmPortland
$638
Find similar
Lufthansa
Dec 15
PDX3:55 pmPortland
23h 10m
2 stops
OTP1:05 amBucharest Otopeni Intl
Dec 31
OTP6:05 amBucharest Otopeni Intl
22h 56m
2 stops
PDX7:01 pmPortland
$871
Find similar
Lufthansa
Dec 15
PDX10:10 amPortland
28h 55m
2 stops
OTP1:05 amBucharest Otopeni Intl
Dec 31
OTP6:05 amBucharest Otopeni Intl
22h 56m
2 stops
PDX7:01 pmPortland
$956
Find similar

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 October 20, 2025.
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

Mon 11/24

11:35 am-3:50 pm

2 stops18h 15m

Bucharest Otopeni Intl

Sun 12/7

8:35 am-11:25 am

1 stop36h 50m

$534

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 11/24

11:35 am-3:50 pm

2 stops18h 15m

Bucharest Otopeni Intl

Sun 12/7

6:00 am-4:08 pm

2 stops20h 08m

$539

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 11/24

1:25 pm-5:10 pm

1 stop17h 45m

Bucharest Otopeni Intl

Sun 12/7

6:00 am-11:25 am

1 stop15h 25m

$540

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Wed 11/5

3:54 pm-1:05 am

2 stops23h 11m

Bucharest Otopeni Intl

Wed 11/12

6:05 am-8:38 pm

2 stops24h 33m

$638

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Fri 3/6

5:45 pm-11:25 pm

1 stop19h 40m

Bucharest Otopeni Intl

Tue 3/10

4:40 pm-4:55 pm

1 stop33h 15m

$639

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Wed 11/5

1:25 pm-3:25 pm

1 stop16h 00m

Bucharest Otopeni Intl

Wed 11/12

6:00 am-11:25 am

1 stop15h 25m

$640

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Wed 11/5

11:10 am-3:25 pm

2 stops18h 15m

Bucharest Otopeni Intl

Wed 11/12

6:00 am-11:25 am

1 stop15h 25m

$644

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 12/29

5:30 am-10:50 pm

2 stops31h 20m

Bucharest Otopeni Intl

Mon 1/5

1:55 pm-9:35 pm

2 stops41h 40m

$717

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Wed 12/24

5:45 pm-3:45 pm

1 stop36h 00m

Bucharest Otopeni Intl

Wed 12/31

8:05 am-6:02 pm

2 stops43h 57m

$1,227

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Wed 11/5

9:50 am-6:40 pm

3 stops22h 50m

Bucharest Otopeni Intl

Wed 11/12

6:05 am-9:15 am

3 stops37h 10m

$1,286

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 October, then book flights to Bucharest Otopeni Intl Airport from Portland during November instead. Flights to Bucharest Otopeni Intl Airport in November, while not as cheap as those in October, still average around $817.

What is the cheapest day to depart on your flight to Bucharest Otopeni Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Bucharest Otopeni Intl Airport. Tickets to fly out on this day can be as low as $958. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Bucharest Otopeni Intl Airport for around $1,383.

What is the cheapest time of day to depart on your flight to Bucharest Otopeni Intl Airport?

Our most recent data shows that the best time of day to fly to Bucharest Otopeni Intl Airport is in the morning. Flights from Portland to Bucharest Otopeni Intl Airport during this time can be as low as $1,015. In the afternoon is when there is more demand to fly to Bucharest Otopeni Intl Airport, so prices are often more expensive at around $1,103 per ticket.

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 $994 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 $812 on momondo.

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

You could potentially save up to 11% 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

Direct flights

None
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.
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  • 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 13h 35m.

  • 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 $624Free CancellationRating
7.4
8,988 reviews
Search United Airlines flights
KLMPriceFrom $711Free CancellationRating
7.7
1,404 reviews
Search KLM flights
British AirwaysPriceFrom $737Free CancellationRating
6.7
7,461 reviews
Search British Airways flights
Air CanadaPriceFrom $779Free CancellationRating
7.1
10,334 reviews
Search Air Canada flights
DeltaPriceFrom $806Free CancellationRating
7.9
7,977 reviews
Search Delta 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.

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