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Cheap flights from Portland to Bucharest from $357

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 9/16. 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
1 adult, Economy, 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.
KLM Logo
1:05 pm - 5:20 pm
PDX
-
OTP
18h 15m
1 stop
KLM Logo
2:00 pm - 11:10 am
OTP
-
PDX
31h 10m
1 stop
$772KLM
Mon, Sep 14 - Wed, Sep 30
KLM Logo
1:05 pm - 3:25 pm
PDX
-
OTP
16h 20m
1 stop
KLM Logo
7:05 am - 4:05 pm
OTP
-
PDX
19h 00m
2 stops
$781KLM
Sun, Sep 13 - Tue, Sep 29
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
$782Air Canada
Sun, Sep 13 - Tue, Sep 29
United Airlines Logo
11:02 pm - 12:00 pm
PDX
-
OTP
26h 58m
2 stops
United Airlines Logo
6:15 am - 6:51 pm
OTP
-
PDX
22h 36m
2 stops
$786United Airlines
Sat, Sep 12 - Thu, Oct 1
KLM Logo
1:05 pm - 3:25 pm
PDX
-
OTP
16h 20m
1 stop
KLM Logo
7:05 am - 11:10 am
OTP
-
PDX
14h 05m
1 stop
$789KLM
Wed, Sep 16 - Fri, Oct 2
United Airlines Logo
11:17 pm - 12:00 pm
PDX
-
OTP
26h 43m
2 stops
United Airlines Logo
6:15 am - 9:54 am
OTP
-
PDX
37h 39m
2 stops
$791United Airlines
Sat, Sep 12 - Tue, Sep 29
United Airlines Logo
9:00 am - 1:10 am
PDX
-
OTP
30h 10m
3 stops
United Airlines Logo
6:05 am - 9:31 am
OTP
-
PDX
37h 26m
2 stops
$792United Airlines
Tue, Sep 15 - Fri, Oct 2
British Airways Logo
7:30 pm - 3:25 pm
PDX
-
OTP
33h 55m
1 stop
British Airways Logo
3:40 pm - 5:40 pm
OTP
-
PDX
36h 00m
1 stop
$795British Airways
Mon, Sep 14 - Mon, Oct 5
United Airlines Logo
8:15 am - 11:50 pm
PDX
-
OTP
29h 35m
2 stops
United Airlines Logo
6:05 am - 3:56 pm
OTP
-
PDX
19h 51m
2 stops
$797United Airlines
Mon, Sep 14 - Fri, Oct 2
Air Canada Logo
3:30 pm - 4:20 pm
PDX
-
OTP
38h 50m
2 stops
Air Canada Logo
6:05 am - 7:06 pm
OTP
-
PDX
23h 01m
2 stops
$800Air Canada
Sun, Aug 30 - Wed, Sep 30

United Airlines flights from Portland to Bucharest

Our best United Airlines deals on Portland to Bucharest flight tickets
United Airlines
Sep 12
PDX11:02 pmPortland
26h 58m
2 stops
OTP12:00 pmBucharest Otopeni Intl
Oct 1
OTP6:15 amBucharest Otopeni Intl
22h 36m
2 stops
PDX6:51 pmPortland
$786
United Airlines
Sep 12
PDX11:17 pmPortland
26h 43m
2 stops
OTP12:00 pmBucharest Otopeni Intl
Sep 29
OTP6:15 amBucharest Otopeni Intl
37h 39m
2 stops
PDX9:54 amPortland
$791
United Airlines
Sep 15
PDX9:00 amPortland
30h 10m
3 stops
OTP1:10 amBucharest Otopeni Intl
Oct 2
OTP6:05 amBucharest Otopeni Intl
37h 26m
2 stops
PDX9:31 amPortland
$792

Scandinavian Airlines flights from Portland to Bucharest

Our best Scandinavian Airlines deals on Portland to Bucharest flight tickets
Scandinavian Airlines
Jun 13
PDX7:01 amPortland
24h 19m
3 stops
OTP5:20 pmBucharest Otopeni Intl
Jun 28
OTP6:00 amBucharest Otopeni Intl
24h 02m
3 stops
PDX8:02 pmPortland
$3,607
Scandinavian Airlines
Jun 15
PDX7:01 amPortland
22h 24m
3 stops
OTP3:25 pmBucharest Otopeni Intl
Jun 23
OTP7:05 amBucharest Otopeni Intl
24h 06m
3 stops
PDX9:11 pmPortland
$3,641
Scandinavian Airlines
Jun 13
PDX12:23 pmPortland
25h 22m
3 stops
OTP11:45 pmBucharest Otopeni Intl
Jun 28
OTP7:05 amBucharest Otopeni Intl
20h 04m
3 stops
PDX5:09 pmPortland
$3,774

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Bucharest 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 6, 2026.
Use the filters below to find and compare flights from Portland to Bucharest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 9/14

1:05 pm-5:20 pm

1 stop18h 15m

Bucharest Otopeni Intl

Wed 9/30

2:00 pm-11:10 am

1 stop31h 10m

$772

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sun 9/13

1:05 pm-3:25 pm

1 stop16h 20m

Bucharest Otopeni Intl

Tue 9/29

7:05 am-4:05 pm

2 stops19h 00m

$781

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sun 9/13

7:45 pm-4:20 pm

2 stops34h 35m

Bucharest Otopeni Intl

Tue 9/29

6:05 am-7:06 pm

2 stops23h 01m

$782

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sat 9/12

11:02 pm-12:00 pm

2 stops26h 58m

Bucharest Otopeni Intl

Thu 10/1

6:15 am-6:51 pm

2 stops22h 36m

$786
Quickest round-trip

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Wed 9/16

1:05 pm-3:25 pm

1 stop16h 20m

Bucharest Otopeni Intl

Fri 10/2

7:05 am-11:10 am

1 stop14h 05m

$789

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sat 9/12

11:17 pm-12:00 pm

2 stops26h 43m

Bucharest Otopeni Intl

Tue 9/29

6:15 am-9:54 am

2 stops37h 39m

$791

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Tue 9/15

9:00 am-1:10 am

3 stops30h 10m

Bucharest Otopeni Intl

Fri 10/2

6:05 am-9:31 am

2 stops37h 26m

$792

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 9/14

7:30 pm-3:25 pm

1 stop33h 55m

Bucharest Otopeni Intl

Mon 10/5

3:40 pm-5:40 pm

1 stop36h 00m

$795

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 9/14

8:15 am-11:50 pm

2 stops29h 35m

Bucharest Otopeni Intl

Fri 10/2

6:05 am-3:56 pm

2 stops19h 51m

$797

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sun 8/30

3:30 pm-4:20 pm

2 stops38h 50m

Bucharest Otopeni Intl

Wed 9/30

6:05 am-7:06 pm

2 stops23h 01m

$800

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Portland to Bucharest

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?

What is the cheapest month to fly to Bucharest?

In general, August is the cheapest month to fly from Portland to Bucharest. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $502. If you aren’t able to travel to Bucharest during the month of August, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $516.

Can stopping save me money on Portland to Bucharest flights?

You could potentially save up to 21% on your flight if you consider stops on a Portland to Bucharest flight.

When to book flights from Portland to Bucharest

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

Cheap Portland to Bucharest (PDX to BUH) flight deals and tips

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

Fastest flight time

18h 07m

Direct flights

None
The fastest flight from Portland to Bucharest takes 18h 07m
There are no direct flights from Portland to Bucharest. There are no popular flight routes from Portland to Bucharest.
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Frequently asked questions about flying from Portland to Bucharest

  • How far is Portland to Bucharest by plane?

    A flight from Portland to Bucharest will travel around 5930.2 mi. 18h 07m is a normal flight duration for this route.

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

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

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

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

    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 Bucharest.

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

    The travel and health documents you'll need for your trip to Bucharest may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bucharest. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Portland to Bucharest

Compare and see reviews for airlines that fly from Portland to Bucharest with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $570Free CancellationRating
7.8
8,396 reviews
Search Delta flights
British AirwaysPriceFrom $571Free CancellationRating
6.7
8,028 reviews
Search British Airways flights
KLMPriceFrom $618Free CancellationRating
7.8
1,527 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?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bucharest from Portland.

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

momondo does allow users to show only those flights to Bucharest from Portland which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Bucharest from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Bucharest from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to Romania

Fly into one of these airports located in Bucharest

Airports listed have a maximum distance of 9.6 mi from Bucharest
Bucharest Otopeni Intl Airport