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Cheap flights from Portland to Bucharest from $556

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 7/2. 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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Find the cheapest flights from Portland to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:09 am - 11:30 pm
PDX
-
OTP
26h 21m
2 stops
Multiple Airlines Logo
6:20 am - 7:06 pm
OTP
-
PDX
22h 46m
2 stops
$776Multiple Airlines
Tue, Aug 25 - Tue, Sep 15
United Airlines Logo
5:00 am - 1:10 am
PDX
-
OTP
34h 10m
2 stops
United Airlines Logo
1:50 pm - 12:47 am
OTP
-
PDX
44h 57m
3 stops
$779United Airlines
Tue, Aug 25 - Tue, Sep 15
British Airways Logo
7:30 pm - 1:20 am
PDX
-
OTP
19h 50m
1 stop
British Airways Logo
3:40 pm - 5:40 pm
OTP
-
PDX
36h 00m
1 stop
$791British Airways
Mon, Sep 7 - Mon, Sep 28
Multiple Airlines Logo
3:43 pm - 1:10 am
PDX
-
OTP
23h 27m
2 stops
Multiple Airlines Logo
6:05 am - 7:06 pm
OTP
-
PDX
23h 01m
2 stops
$794Multiple Airlines
Tue, Sep 15 - Thu, Oct 15
United Airlines Logo
4:07 pm - 1:10 am
PDX
-
OTP
23h 03m
2 stops
United Airlines Logo
6:55 pm - 10:18 pm
OTP
-
PDX
37h 23m
2 stops
$800United Airlines
Mon, Sep 7 - Mon, Sep 28
Multiple Airlines Logo
11:10 am - 1:40 pm
PDX
-
OTP
16h 30m
2 stops
Multiple Airlines Logo
4:50 pm - 11:10 am
OTP
-
PDX
28h 20m
1 stop
$803Multiple Airlines
Tue, Aug 25 - Tue, Sep 15
Multiple Airlines Logo
1:30 pm - 1:20 am
PDX
-
OTP
25h 50m
2 stops
Multiple Airlines Logo
8:15 am - 5:40 pm
OTP
-
PDX
19h 25m
1 stop
$817Multiple Airlines
Tue, Sep 15 - Thu, Oct 15
British Airways Logo
7:30 pm - 1:20 am
PDX
-
OTP
19h 50m
1 stop
British Airways Logo
8:15 am - 5:40 pm
OTP
-
PDX
19h 25m
1 stop
$821British Airways
Tue, Aug 25 - Tue, Sep 15
British Airways Logo
7:30 pm - 1:20 am
PDX
-
OTP
19h 50m
1 stop
British Airways Logo
8:15 am - 5:40 pm
OTP
-
PDX
19h 25m
1 stop
$827British Airways
Tue, Sep 15 - Thu, Oct 15
United Airlines Logo
8:35 am - 1:10 am
PDX
-
OTP
30h 35m
3 stops
United Airlines Logo
6:15 am - 10:52 pm
OTP
-
PDX
26h 37m
2 stops
$836United Airlines
Thu, Aug 6 - Tue, Sep 1

KLM flights from Portland to Bucharest Otopeni Intl Airport

Our best KLM deals on Portland to Bucharest Otopeni Intl Airport flight tickets
KLM
May 13
PDX1:05 pmPortland
24h 40m
1 stop
OTP11:45 pmBucharest Otopeni Intl
May 23
OTP2:00 pmBucharest Otopeni Intl
31h 10m
1 stop
PDX11:10 amPortland
$985
KLM
May 15
PDX11:20 amPortland
18h 05m
2 stops
OTP3:25 pmBucharest Otopeni Intl
May 27
OTP2:00 pmBucharest Otopeni Intl
31h 10m
1 stop
PDX11:10 amPortland
$1,010
KLM
May 15
PDX11:20 amPortland
18h 05m
2 stops
OTP3:25 pmBucharest Otopeni Intl
May 27
OTP7:05 amBucharest Otopeni Intl
18h 55m
2 stops
PDX4:00 pmPortland
$1,020

Lufthansa flights from Portland to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on Portland to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
Jun 24
PDX3:30 pmPortland
17h 05m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Aug 26
OTP6:15 amBucharest Otopeni Intl
21h 28m
2 stops
PDX5:43 pmPortland
$1,044
Lufthansa
Jun 11
PDX3:30 pmPortland
17h 05m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Jun 24
OTP6:15 amBucharest Otopeni Intl
27h 38m
2 stops
PDX11:53 pmPortland
$1,102

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 April 29, 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

Cheapest round-trip

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Tue 8/25

11:09 am-11:30 pm

2 stops26h 21m

Bucharest Otopeni Intl

Tue 9/15

6:20 am-7:06 pm

2 stops22h 46m

$776

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Tue 8/25

5:00 am-1:10 am

2 stops34h 10m

Bucharest Otopeni Intl

Tue 9/15

1:50 pm-12:47 am

3 stops44h 57m

$779

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 9/7

7:30 pm-1:20 am

1 stop19h 50m

Bucharest Otopeni Intl

Mon 9/28

3:40 pm-5:40 pm

1 stop36h 00m

$791

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Tue 9/15

3:43 pm-1:10 am

2 stops23h 27m

Bucharest Otopeni Intl

Thu 10/15

6:05 am-7:06 pm

2 stops23h 01m

$794

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 9/7

4:07 pm-1:10 am

2 stops23h 03m

Bucharest Otopeni Intl

Mon 9/28

6:55 pm-10:18 pm

2 stops37h 23m

$800

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Tue 8/25

11:10 am-1:40 pm

2 stops16h 30m

Bucharest Otopeni Intl

Tue 9/15

4:50 pm-11:10 am

1 stop28h 20m

$803

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Tue 9/15

1:30 pm-1:20 am

2 stops25h 50m

Bucharest Otopeni Intl

Thu 10/15

8:15 am-5:40 pm

1 stop19h 25m

$817
Quickest round-trip

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Tue 8/25

7:30 pm-1:20 am

1 stop19h 50m

Bucharest Otopeni Intl

Tue 9/15

8:15 am-5:40 pm

1 stop19h 25m

$821

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Tue 9/15

7:30 pm-1:20 am

1 stop19h 50m

Bucharest Otopeni Intl

Thu 10/15

8:15 am-5:40 pm

1 stop19h 25m

$827

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Thu 8/6

8:35 am-1:10 am

3 stops30h 35m

Bucharest Otopeni Intl

Tue 9/1

6:15 am-10:52 pm

2 stops26h 37m

$836

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 July, then book flights to Bucharest Otopeni Intl Airport from Portland during December instead. Flights to Bucharest Otopeni Intl Airport in December, while not as cheap as those in July, still average around $673.

How far in advance should I book a flight from Portland 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 $848 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 $659 on momondo.

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

You could potentially save up to 1% 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

17h 05m

Direct flights

None
The fastest flight from Portland to Bucharest Otopeni Intl Airport takes 17h 05m
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

Frequently asked questions about flying from Portland to Bucharest Otopeni Intl Airport

  • 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 17h 05m.

  • 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
DeltaPriceFrom $570Free CancellationRating
7.9
8,465 reviews
Search Delta flights
British AirwaysPriceFrom $571Free CancellationRating
6.7
7,932 reviews
Search British Airways flights
KLMPriceFrom $618Free CancellationRating
7.8
1,512 reviews
Search KLM 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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