What is the cheapest airline that flies from Portland to Romania?

British Airways is the most popular carrier operating from Portland to Romania

What airlines fly to Romania?

United Airlines, Delta and KLM are the top three most popular airlines that fly to Romania from Portland according to our data. United Airlines is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Romania. Keep in mind that there are 6 different airlines that fly to Romania on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Portland Airport to Romania?

Prices for flights from Portland Airport to Romania were last updated today.

How many operators does momondo search for flights from Portland Airport to Romania?

As of December 2025, there are 6 operators available to choose from for flights from Portland Airport to Romania.

How old do you have to be to fly from Portland Airport to Romania?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Romania.

What documentation or ID do you need to fly to Romania?

The required travel and health documents for your Romania trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Romania. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$533 Cheap Flights from Portland to Romania in 2025/26

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Find the cheapest flights from Portland to Romania

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:30 pm - 12:45 am

PDX

OTP

19h 15m1 stop

4:15 pm - 5:40 pm

OTP

PDX

35h 25m1 stop

$533British Airways

Sun, Mar 29 - Wed, Apr 15

3:50 pm - 1:05 am

PDX

OTP

23h 15m2 stops

6:05 am - 12:39 am

OTP

PDX

28h 34m2 stops

$535Lufthansa

Wed, Jan 21 - Wed, Feb 4

3:52 pm - 1:05 am

PDX

OTP

23h 13m2 stops

5:55 am - 6:30 pm

OTP

PDX

22h 35m2 stops

$536Multiple Airlines

Sat, Jan 31 - Sat, Feb 7

11:46 am - 12:25 am

PDX

OTP

26h 39m2 stops

8:25 am - 8:54 pm

OTP

PDX

22h 29m2 stops

$537British Airways

Wed, Apr 1 - Wed, Apr 15

12:30 am - 12:10 pm

PDX

OTP

25h 40m2 stops

2:00 pm - 11:10 am

OTP

PDX

31h 10m1 stop

$539Delta

Sun, Mar 29 - Wed, Apr 15

1:25 pm - 3:25 pm

PDX

OTP

16h 00m1 stop

6:00 am - 11:25 am

OTP

PDX

15h 25m1 stop

$540KLM

Wed, Jan 21 - Wed, Feb 4

11:15 pm - 1:00 pm

PDX

OTP

27h 45m2 stops

7:00 am - 11:10 am

OTP

PDX

14h 10m1 stop

$544Delta

Sat, Apr 4 - Wed, Apr 15

5:35 am - 1:40 pm

PDX

CLJ

22h 05m2 stops

6:00 am - 6:56 pm

CLJ

PDX

22h 56m2 stops

$546United Airlines

Thu, Jan 15 - Mon, Jan 19

5:35 am - 1:45 pm

PDX

SBZ

22h 10m2 stops

2:30 pm - 7:03 pm

SBZ

PDX

38h 33m2 stops

$701United Airlines

Thu, Feb 5 - Mon, Feb 9

7:45 pm - 9:55 am

PDX

CLJ

52h 10m2 stops

10:40 am - 10:08 pm

CLJ

PDX

21h 28m2 stops

$832Multiple Airlines

Mon, May 4 - Thu, May 28

Lufthansa flights from Portland to Romania

Our best Lufthansa deals on Portland to Romania flight tickets

Lufthansa

Jan 21

PDX3:50 pmPortland

23h 15m

2 stops

OTP1:05 amBucharest Otopeni Intl

Feb 4

OTP6:05 amBucharest Otopeni Intl

28h 34m

2 stops

PDX12:39 amPortland

$535

Find similar

Lufthansa

Dec 29

PDX7:30 amPortland

25h 05m

2 stops

OTP6:35 pmBucharest Otopeni Intl

Jan 29

OTP5:50 amBucharest Otopeni Intl

23h 06m

2 stops

PDX6:56 pmPortland

$734

Find similar

Lufthansa

Dec 29

PDX7:30 amPortland

25h 05m

2 stops

OTP6:35 pmBucharest Otopeni Intl

Jan 13

OTP6:05 amBucharest Otopeni Intl

22h 51m

2 stops

PDX6:56 pmPortland

$736

Find similar

KLM flights from Portland to Romania

Our best KLM deals on Portland to Romania flight tickets

KLM

Jan 21

PDX1:25 pmPortland

16h 00m

1 stop

OTP3:25 pmBucharest Otopeni Intl

Feb 4

OTP6:00 amBucharest Otopeni Intl

15h 25m

1 stop

PDX11:25 amPortland

$540

Find similar

KLM

Apr 1

PDX1:52 pmPortland

17h 28m

2 stops

OTP5:20 pmBucharest Otopeni Intl

Apr 14

OTP7:00 amBucharest Otopeni Intl

19h 33m

2 stops

PDX4:33 pmPortland

$554

Find similar

KLM

Dec 29

PDX1:25 pmPortland

17h 45m

1 stop

OTP5:10 pmBucharest Otopeni Intl

Jan 29

OTP1:55 pmBucharest Otopeni Intl

31h 30m

1 stop

PDX11:25 amPortland

$741

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sun 3/29

7:30 pm-12:45 am

1 stop19h 15m

Bucharest Otopeni Intl

Wed 4/15

4:15 pm-5:40 pm

1 stop35h 25m

$533

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Wed 1/21

3:50 pm-1:05 am

2 stops23h 15m

Bucharest Otopeni Intl

Wed 2/4

6:05 am-12:39 am

2 stops28h 34m

$535

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sat 1/31

3:52 pm-1:05 am

2 stops23h 13m

Bucharest Otopeni Intl

Sat 2/7

5:55 am-6:30 pm

2 stops22h 35m

$536

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Wed 4/1

11:46 am-12:25 am

2 stops26h 39m

Bucharest Otopeni Intl

Wed 4/15

8:25 am-8:54 pm

2 stops22h 29m

$537

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sun 3/29

12:30 am-12:10 pm

2 stops25h 40m

Bucharest Otopeni Intl

Wed 4/15

2:00 pm-11:10 am

1 stop31h 10m

$539

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Wed 1/21

1:25 pm-3:25 pm

1 stop16h 00m

Bucharest Otopeni Intl

Wed 2/4

6:00 am-11:25 am

1 stop15h 25m

$540

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sat 4/4

11:15 pm-1:00 pm

2 stops27h 45m

Bucharest Otopeni Intl

Wed 4/15

7:00 am-11:10 am

1 stop14h 10m

$544

PortlandCluj Napoca

PDX - CLJ

PDXCLJ

Portland

Thu 1/15

5:35 am-1:40 pm

2 stops22h 05m

Cluj Napoca

Mon 1/19

6:00 am-6:56 pm

2 stops22h 56m

$546

PortlandSibiu

PDX - SBZ

PDXSBZ

Portland

Thu 2/5

5:35 am-1:45 pm

2 stops22h 10m

Sibiu

Mon 2/9

2:30 pm-7:03 pm

2 stops38h 33m

$701

PortlandCluj Napoca

PDX - CLJ

PDXCLJ

Portland

Mon 5/4

7:45 pm-9:55 am

2 stops52h 10m

Cluj Napoca

Thu 5/28

10:40 am-10:08 pm

2 stops21h 28m

$832

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland to Romania

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

Prices

Airlines

What is the cheapest month to fly to Romania?

The cheapest month to fly to Romania from Portland is in January. Flight prices, which tend to average around $365, are often lower during this time because this is during the off-season. If you are unable to visit Romania during the month of January, then departing from Portland during the month November is also very affordable. Most momondo users find prices during this month for around $539.

What is the cheapest day to depart on your flight to Romania?

The cheapest day to depart on your flight to Romania is on a Sunday when prices can be found for as low as $974. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,242. These prices are subject to change though, so be sure to set up a Price Alert for flights to Romania.

What is the cheapest time of day to depart on your flight to Romania?

Our most recent data shows that the best time of day to fly to Romania is in the evening. Flights from Portland to Romania during this time can be as low as $919. Try not to purchase tickets in the morning because they tend to be around $1,281. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Romania?

You are more likely to see cheaper flights to Romania from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Romania for around $939 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Romania from Portland for as low as $745 on momondo.

Can stopping save me money on Portland to Romania flights?

You could potentially save up to 36% on your flight if you consider stops on a Portland to Romania flight.

Cheap Portland to Romania flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Romania

Fastest flight time	16h 55m
Direct flights	None

The fastest flight from Portland to Romania takes 16h 55m

There are no direct flights from Portland to Romania. There are no popular flight routes from Portland to Romania.

Search flight deals

When did momondo last update prices for flights from Portland Airport to Romania?
Prices for flights from Portland Airport to Romania were last updated today.
How many operators does momondo search for flights from Portland Airport to Romania?
As of December 2025, there are 6 operators available to choose from for flights from Portland Airport to Romania.
How old do you have to be to fly from Portland Airport to Romania?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Romania.
What documentation or ID do you need to fly to Romania?
The required travel and health documents for your Romania trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Romania. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portland to Romania

Compare and see reviews for airlines that fly from Portland to Romania with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $516	Free Cancellation	Rating 7.4 9,091 reviews	Search United Airlines flights
Lufthansa	PriceFrom $547	Free Cancellation	Rating 6.8 7,634 reviews	Search Lufthansa flights
British Airways	PriceFrom $571	Free Cancellation	Rating 6.7 7,585 reviews	Search British Airways flights
Delta	PriceFrom $654	Free Cancellation	Rating 7.9 8,005 reviews	Search Delta flights
KLM	PriceFrom $682	Free Cancellation	Rating 7.7 1,428 reviews	Search KLM flights
Air Canada	PriceFrom $779	Free Cancellation	Rating 7.1 10,534 reviews	Search Air Canada flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Romania. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Portland to Romania on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Portland and Romania by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Romania, momondo offers a useful price alert feature which will track prices for flights to Romania from Portland and alert you when they change.