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Cheap flights from Portland to Bucharest from $331

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 7/18. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
3:30 pm - 6:35 pm
PDX
-
OTP
17h 05m
2 stops
Lufthansa Logo
6:05 am - 6:19 pm
OTP
-
PDX
22h 14m
2 stops
$810Lufthansa
Mon, Aug 3 - Thu, Aug 20
Multiple Airlines Logo
8:35 am - 6:35 pm
PDX
-
OTP
24h 00m
3 stops
Multiple Airlines Logo
6:20 am - 7:11 pm
OTP
-
PDX
22h 51m
2 stops
$818Multiple Airlines
Tue, Aug 4 - Thu, Aug 20
United Airlines Logo
5:15 am - 6:35 pm
PDX
-
OTP
27h 20m
3 stops
United Airlines Logo
6:05 am - 10:45 pm
OTP
-
PDX
26h 40m
2 stops
$826United Airlines
Mon, Aug 3 - Thu, Aug 20
United Airlines Logo
10:33 am - 6:35 pm
PDX
-
OTP
22h 02m
2 stops
United Airlines Logo
6:15 am - 10:54 pm
OTP
-
PDX
26h 39m
2 stops
$828United Airlines
Mon, Aug 3 - Thu, Aug 20
Multiple Airlines Logo
11:17 am - 1:40 pm
PDX
-
OTP
16h 23m
2 stops
Multiple Airlines Logo
4:50 pm - 11:10 am
OTP
-
PDX
28h 20m
1 stop
$832Multiple Airlines
Tue, Aug 11 - Tue, Sep 1
SWISS Logo
7:16 am - 3:20 pm
PDX
-
OTP
22h 04m
2 stops
SWISS Logo
4:10 pm - 7:06 pm
OTP
-
PDX
36h 56m
2 stops
$837SWISS
Tue, Sep 1 - Tue, Oct 6
Lufthansa Logo
10:10 am - 4:20 pm
PDX
-
OTP
20h 10m
2 stops
Lufthansa Logo
6:15 am - 10:45 pm
OTP
-
PDX
26h 30m
2 stops
$840Lufthansa
Tue, Aug 11 - Tue, Sep 1
Air Canada Logo
7:45 pm - 4:20 pm
PDX
-
OTP
34h 35m
2 stops
Air Canada Logo
6:05 am - 7:06 pm
OTP
-
PDX
23h 01m
2 stops
$841Air Canada
Mon, Aug 31 - Wed, Oct 7
United Airlines Logo
12:45 pm - 1:10 am
PDX
-
OTP
26h 25m
2 stops
United Airlines Logo
6:05 am - 10:45 pm
OTP
-
PDX
26h 40m
2 stops
$844United Airlines
Tue, Aug 11 - Tue, Sep 1
Lufthansa Logo
10:10 am - 1:10 am
PDX
-
OTP
29h 00m
2 stops
Lufthansa Logo
6:05 am - 8:59 pm
OTP
-
PDX
24h 54m
2 stops
$845Lufthansa
Sun, Jul 19 - Fri, Aug 28

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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
Aug 3
PDX5:15 amPortland
27h 20m
3 stops
OTP6:35 pmBucharest Otopeni Intl
Aug 20
OTP6:05 amBucharest Otopeni Intl
26h 40m
2 stops
PDX10:45 pmPortland
$826
United Airlines
Aug 3
PDX10:33 amPortland
22h 02m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Aug 20
OTP6:15 amBucharest Otopeni Intl
26h 39m
2 stops
PDX10:54 pmPortland
$828
United Airlines
Aug 11
PDX12:45 pmPortland
26h 25m
2 stops
OTP1:10 amBucharest Otopeni Intl
Sep 1
OTP6:05 amBucharest Otopeni Intl
26h 40m
2 stops
PDX10:45 pmPortland
$844

Delta flights from Portland to Bucharest Otopeni Intl Airport

Our best Delta deals on Portland to Bucharest Otopeni Intl Airport flight tickets
Delta
Sep 3
PDX11:22 amPortland
19h 58m
2 stops
OTP5:20 pmBucharest Otopeni Intl
Oct 6
OTP7:05 amBucharest Otopeni Intl
19h 29m
2 stops
PDX4:34 pmPortland
$896
Delta
Jul 25
PDX7:05 amPortland
20h 35m
2 stops
OTP1:40 pmBucharest Otopeni Intl
Aug 28
OTP7:05 amBucharest Otopeni Intl
14h 05m
1 stop
PDX11:10 amPortland
$908
Delta
Jul 25
PDX1:05 pmPortland
18h 35m
1 stop
OTP5:40 pmBucharest Otopeni Intl
Aug 28
OTP7:05 amBucharest Otopeni Intl
14h 05m
1 stop
PDX11:10 amPortland
$909

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 June 13, 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
Quickest round-trip

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 8/3

3:30 pm-6:35 pm

2 stops17h 05m

Bucharest Otopeni Intl

Thu 8/20

6:05 am-6:19 pm

2 stops22h 14m

$810

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Tue 8/4

8:35 am-6:35 pm

3 stops24h 00m

Bucharest Otopeni Intl

Thu 8/20

6:20 am-7:11 pm

2 stops22h 51m

$818

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 8/3

5:15 am-6:35 pm

3 stops27h 20m

Bucharest Otopeni Intl

Thu 8/20

6:05 am-10:45 pm

2 stops26h 40m

$826

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 8/3

10:33 am-6:35 pm

2 stops22h 02m

Bucharest Otopeni Intl

Thu 8/20

6:15 am-10:54 pm

2 stops26h 39m

$828

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Tue 8/11

11:17 am-1:40 pm

2 stops16h 23m

Bucharest Otopeni Intl

Tue 9/1

4:50 pm-11:10 am

1 stop28h 20m

$832

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Tue 9/1

7:16 am-3:20 pm

2 stops22h 04m

Bucharest Otopeni Intl

Tue 10/6

4:10 pm-7:06 pm

2 stops36h 56m

$837

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Tue 8/11

10:10 am-4:20 pm

2 stops20h 10m

Bucharest Otopeni Intl

Tue 9/1

6:15 am-10:45 pm

2 stops26h 30m

$840

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 8/31

7:45 pm-4:20 pm

2 stops34h 35m

Bucharest Otopeni Intl

Wed 10/7

6:05 am-7:06 pm

2 stops23h 01m

$841

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Tue 8/11

12:45 pm-1:10 am

2 stops26h 25m

Bucharest Otopeni Intl

Tue 9/1

6:05 am-10:45 pm

2 stops26h 40m

$844

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sun 7/19

10:10 am-1:10 am

2 stops29h 00m

Bucharest Otopeni Intl

Fri 8/28

6:05 am-8:59 pm

2 stops24h 54m

$845

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.

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

You could potentially save up to 21% 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
8,405 reviews
Search Delta flights
British AirwaysPriceFrom $571Free CancellationRating
6.7
8,047 reviews
Search British Airways flights
KLMPriceFrom $618Free CancellationRating
7.8
1,529 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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