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Cheap flights from Portland to Bucharest from $340

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 9/1. 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.
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
$760British Airways
Tue, Aug 25 - Wed, Sep 30
British Airways Logo
7:30 pm - 12:50 am
PDX
-
OTP
19h 20m
1 stop
British Airways Logo
6:10 pm - 5:40 pm
OTP
-
PDX
33h 30m
1 stop
$767British Airways
Sun, Sep 6 - Tue, Sep 22
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
$772British Airways
Mon, Aug 24 - Thu, Aug 27
British Airways Logo
7:30 pm - 12:50 am
PDX
-
OTP
19h 20m
1 stop
British Airways Logo
8:15 am - 5:40 pm
OTP
-
PDX
19h 25m
1 stop
$775British Airways
Sun, Jul 19 - Fri, Aug 28
British Airways Logo
7:30 pm - 12:50 am
PDX
-
OTP
19h 20m
1 stop
British Airways Logo
8:15 am - 5:40 pm
OTP
-
PDX
19h 25m
1 stop
$776British Airways
Sun, Jul 19 - Fri, Aug 28
Multiple Airlines Logo
6:35 am - 3:25 pm
PDX
-
OTP
22h 50m
2 stops
Multiple Airlines Logo
8:15 am - 5:40 pm
OTP
-
PDX
19h 25m
1 stop
$777Multiple Airlines
Tue, Aug 25 - Wed, Sep 30
SWISS Logo
7:00 am - 1:10 am
PDX
-
OTP
32h 10m
2 stops
SWISS Logo
4:10 pm - 7:06 pm
OTP
-
PDX
36h 56m
2 stops
$778SWISS
Tue, Aug 25 - Wed, Sep 30
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
$779British Airways
Tue, Sep 29 - Wed, Oct 14
British Airways Logo
7:30 pm - 12:50 am
PDX
-
OTP
19h 20m
1 stop
British Airways Logo
8:15 am - 10:50 pm
OTP
-
PDX
24h 35m
2 stops
$782British Airways
Sun, Sep 6 - Thu, Sep 17
United Airlines Logo
8:35 am - 6:35 pm
PDX
-
OTP
24h 00m
3 stops
United Airlines Logo
6:05 am - 5:43 pm
OTP
-
PDX
21h 38m
2 stops
$785United Airlines
Mon, Aug 24 - Thu, Aug 27

SWISS flights from Portland to Bucharest

Our best SWISS deals on Portland to Bucharest flight tickets
SWISS
Sep 6
PDX7:00 amPortland
22h 20m
2 stops
OTP3:20 pmBucharest Otopeni Intl
Sep 17
OTP6:20 amBucharest Otopeni Intl
22h 46m
2 stops
PDX7:06 pmPortland
$778
SWISS
Sep 6
PDX7:00 amPortland
32h 10m
2 stops
OTP1:10 amBucharest Otopeni Intl
Sep 21
OTP4:10 pmBucharest Otopeni Intl
40h 59m
2 stops
PDX11:09 pmPortland
$788

Delta flights from Portland to Bucharest

Our best Delta deals on Portland to Bucharest flight tickets
Delta
Jul 19
PDX7:20 amPortland
20h 20m
2 stops
OTP1:40 pmBucharest Otopeni Intl
Aug 28
OTP7:05 amBucharest Otopeni Intl
14h 05m
1 stop
PDX11:10 amPortland
$789
Delta
Jul 19
PDX7:20 amPortland
20h 20m
2 stops
OTP1:40 pmBucharest Otopeni Intl
Aug 28
OTP2:00 pmBucharest Otopeni Intl
19h 41m
2 stops
PDX11:41 pmPortland
$799
Delta
Sep 12
PDX10:05 pmPortland
28h 40m
2 stops
OTP12:45 pmBucharest Otopeni Intl
Sep 19
OTP7:05 amBucharest Otopeni Intl
14h 05m
1 stop
PDX11:10 amPortland
$832

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 April 13, 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

Tue 8/25

7:30 pm-1:20 am

1 stop19h 50m

Bucharest Otopeni Intl

Wed 9/30

8:15 am-5:40 pm

1 stop19h 25m

$760

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sun 9/6

7:30 pm-12:50 am

1 stop19h 20m

Bucharest Otopeni Intl

Tue 9/22

6:10 pm-5:40 pm

1 stop33h 30m

$767

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 8/24

7:30 pm-3:25 pm

1 stop33h 55m

Bucharest Otopeni Intl

Thu 8/27

3:40 pm-5:40 pm

1 stop36h 00m

$772
Quickest round-trip

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sun 7/19

7:30 pm-12:50 am

1 stop19h 20m

Bucharest Otopeni Intl

Fri 8/28

8:15 am-5:40 pm

1 stop19h 25m

$775

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sun 7/19

7:30 pm-12:50 am

1 stop19h 20m

Bucharest Otopeni Intl

Fri 8/28

8:15 am-5:40 pm

1 stop19h 25m

$776

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Tue 8/25

6:35 am-3:25 pm

2 stops22h 50m

Bucharest Otopeni Intl

Wed 9/30

8:15 am-5:40 pm

1 stop19h 25m

$777

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Tue 8/25

7:00 am-1:10 am

2 stops32h 10m

Bucharest Otopeni Intl

Wed 9/30

4:10 pm-7:06 pm

2 stops36h 56m

$778

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Tue 9/29

7:30 pm-1:20 am

1 stop19h 50m

Bucharest Otopeni Intl

Wed 10/14

8:15 am-5:40 pm

1 stop19h 25m

$779

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sun 9/6

7:30 pm-12:50 am

1 stop19h 20m

Bucharest Otopeni Intl

Thu 9/17

8:15 am-10:50 pm

2 stops24h 35m

$782

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 8/24

8:35 am-6:35 pm

3 stops24h 00m

Bucharest Otopeni Intl

Thu 8/27

6:05 am-5:43 pm

2 stops21h 38m

$785

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

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, November 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 $539. If you aren’t able to travel to Bucharest during the month of November, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $560.

Can stopping save me money on Portland to Bucharest flights?

You could potentially save up to 20% 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 05m

Direct flights

None
The fastest flight from Portland to Bucharest takes 18h 05m
There are no direct flights from Portland to Bucharest. There are no popular flight routes from Portland to Bucharest.
Search flight deals

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 05m 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
7.9
8,406 reviews
Search Delta flights
British AirwaysPriceFrom $571Free CancellationRating
6.7
7,881 reviews
Search British Airways flights
KLMPriceFrom $618Free CancellationRating
7.8
1,496 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.

An easier way to manage your Bucharest trip

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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