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Cheap flights from Portland to Bucharest from $315

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 9/14. 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
$712British Airways
Mon, Sep 14 - Wed, Sep 23
United Airlines Logo
5:15 am - 6:35 pm
PDX
-
OTP
27h 20m
3 stops
United Airlines Logo
6:05 am - 2:51 pm
OTP
-
PDX
18h 46m
2 stops
$724United Airlines
Mon, Aug 3 - Thu, Oct 8
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
$728British Airways
Sun, Jul 19 - Fri, Aug 28
Multiple Airlines Logo
7:30 pm - 1:20 am
PDX
-
OTP
19h 50m
1 stop
Multiple Airlines Logo
8:15 am - 9:57 pm
OTP
-
PDX
23h 42m
2 stops
$732Multiple Airlines
Mon, Sep 14 - Wed, Sep 23
United Airlines Logo
5:00 am - 6:35 pm
PDX
-
OTP
27h 35m
2 stops
United Airlines Logo
6:05 am - 8:20 pm
OTP
-
PDX
24h 15m
2 stops
$734United Airlines
Mon, Sep 14 - Wed, Sep 23
Delta Logo
7:20 am - 1:40 pm
PDX
-
OTP
20h 20m
2 stops
Delta Logo
7:05 am - 11:10 am
OTP
-
PDX
14h 05m
1 stop
$738Delta
Sun, Jul 19 - Fri, Aug 28
United Airlines Logo
11:40 pm - 12:00 pm
PDX
-
OTP
26h 20m
2 stops
United Airlines Logo
1:50 pm - 2:51 pm
OTP
-
PDX
35h 01m
2 stops
$744United Airlines
Sat, Aug 1 - Mon, Oct 5
United Airlines Logo
8:50 am - 1:10 am
PDX
-
OTP
30h 20m
2 stops
United Airlines Logo
12:45 pm - 8:55 pm
OTP
-
PDX
42h 10m
2 stops
$745United Airlines
Sun, Jul 19 - Wed, Aug 19
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
$746British Airways
Sun, Aug 2 - Wed, Oct 7
Delta Logo
7:20 am - 1:40 pm
PDX
-
OTP
20h 20m
2 stops
Delta Logo
2:00 pm - 11:41 pm
OTP
-
PDX
19h 41m
2 stops
$748Delta
Sun, Jul 19 - Fri, Aug 28

British Airways flights from Portland to Bucharest

Our best British Airways deals on Portland to Bucharest flight tickets
British Airways
Sep 14
PDX7:30 pmPortland
19h 50m
1 stop
OTP1:20 amBucharest Otopeni Intl
Sep 23
OTP8:15 amBucharest Otopeni Intl
19h 25m
1 stop
PDX5:40 pmPortland
$712
British Airways
Jul 19
PDX7:30 pmPortland
19h 20m
1 stop
OTP12:50 amBucharest Otopeni Intl
Aug 28
OTP8:15 amBucharest Otopeni Intl
19h 25m
1 stop
PDX5:40 pmPortland
$728
British Airways
Aug 2
PDX7:30 pmPortland
19h 20m
1 stop
OTP12:50 amBucharest Otopeni Intl
Oct 7
OTP8:15 amBucharest Otopeni Intl
19h 25m
1 stop
PDX5:40 pmPortland
$746

United Airlines flights from Portland to Bucharest

Our best United Airlines deals on Portland to Bucharest flight tickets
United Airlines
Aug 3
PDX5:15 amPortland
27h 20m
3 stops
OTP6:35 pmBucharest Otopeni Intl
Oct 8
OTP6:05 amBucharest Otopeni Intl
18h 46m
2 stops
PDX2:51 pmPortland
$724
United Airlines
Sep 14
PDX5:00 amPortland
27h 35m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Sep 23
OTP6:05 amBucharest Otopeni Intl
24h 15m
2 stops
PDX8:20 pmPortland
$734
United Airlines
Aug 1
PDX11:40 pmPortland
26h 20m
2 stops
OTP12:00 pmBucharest Otopeni Intl
Oct 5
OTP1:50 pmBucharest Otopeni Intl
35h 01m
2 stops
PDX2:51 pmPortland
$744

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 March 25, 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

7:30 pm-1:20 am

1 stop19h 50m

Bucharest Otopeni Intl

Wed 9/23

8:15 am-5:40 pm

1 stop19h 25m

$712

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 8/3

5:15 am-6:35 pm

3 stops27h 20m

Bucharest Otopeni Intl

Thu 10/8

6:05 am-2:51 pm

2 stops18h 46m

$724

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

$728

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 9/14

7:30 pm-1:20 am

1 stop19h 50m

Bucharest Otopeni Intl

Wed 9/23

8:15 am-9:57 pm

2 stops23h 42m

$732

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 9/14

5:00 am-6:35 pm

2 stops27h 35m

Bucharest Otopeni Intl

Wed 9/23

6:05 am-8:20 pm

2 stops24h 15m

$734
Quickest round-trip

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sun 7/19

7:20 am-1:40 pm

2 stops20h 20m

Bucharest Otopeni Intl

Fri 8/28

7:05 am-11:10 am

1 stop14h 05m

$738

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sat 8/1

11:40 pm-12:00 pm

2 stops26h 20m

Bucharest Otopeni Intl

Mon 10/5

1:50 pm-2:51 pm

2 stops35h 01m

$744

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sun 7/19

8:50 am-1:10 am

2 stops30h 20m

Bucharest Otopeni Intl

Wed 8/19

12:45 pm-8:55 pm

2 stops42h 10m

$745

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sun 8/2

7:30 pm-12:50 am

1 stop19h 20m

Bucharest Otopeni Intl

Wed 10/7

8:15 am-5:40 pm

1 stop19h 25m

$746

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Sun 7/19

7:20 am-1:40 pm

2 stops20h 20m

Bucharest Otopeni Intl

Fri 8/28

2:00 pm-11:41 pm

2 stops19h 41m

$748

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 May is also cheap. Prices for this month can be found on momondo for an average of $553.

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

You are more likely to see cheaper flights to Bucharest from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest for around $860 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest from Portland for as low as $553 on momondo.

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 25m

Direct flights

None
The fastest flight from Portland to Bucharest takes 18h 25m
There are no direct flights from Portland to Bucharest. There are no popular flight routes from Portland to Bucharest.
Search flight deals

  • How far is Portland to Bucharest by plane?

    A flight from Portland to Bucharest will travel around 5930.2 mi. 18h 25m 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
British AirwaysPriceFrom $539Free CancellationRating
6.7
7,819 reviews
Search British Airways flights
DeltaPriceFrom $570Free CancellationRating
7.9
8,327 reviews
Search Delta flights
KLMPriceFrom $618Free CancellationRating
7.8
1,478 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