$118 Cheap Flights from Bucharest (OTP) to Porto (OPO)

View $118 flight on Wed, Sep 23, 2026Opens in a new window

Popular airlines from Henri Coanda Intl. Airport (OTP) to Porto Airport (OPO)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Bucharest to Porto (OTP-OPO)

Prices were available within the past 7 days and start at $118 for one-way flights and $260 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Austrian Airlines
Tue, Oct 20 - Tue, Oct 27
OTP
Bucharest
OPO
Porto
$260 Roundtrip, found 4 days ago
$260
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Tue, Oct 20 from Bucharest to Porto, returning Tue, Oct 27, priced at $260 found 4 days ago
Lufthansa
Tue, Oct 20 - Tue, Oct 27
OTP
Bucharest
OPO
Porto
$262 Roundtrip, found 4 days ago
$262
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Tue, Oct 20 from Bucharest to Porto, returning Tue, Oct 27, priced at $262 found 4 days ago
Lufthansa
Tue, Oct 20 - Tue, Oct 27
OTP
Bucharest
OPO
Porto
$272 Roundtrip, found 4 days ago
$272
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Tue, Oct 20 from Bucharest to Porto, returning Tue, Oct 27, priced at $272 found 4 days ago
Aegean
Wed, May 6 - Sat, May 9
OTP
Bucharest
OPO
Porto
$277 Roundtrip, found 5 days ago
$277
Roundtrip
found 5 days ago
Select Aegean flight, departing Wed, May 6 from Bucharest to Porto, returning Sat, May 9, priced at $277 found 5 days ago
Swiss International Air Lines
Tue, Jun 9 - Mon, Jun 15
OTP
Bucharest
OPO
Porto
$279 Roundtrip, found 11 hours ago
$279
Roundtrip
found 11 hours ago
Select Swiss International Air Lines flight, departing Tue, Jun 9 from Bucharest to Porto, returning Mon, Jun 15, priced at $279 found 11 hours ago
Air Serbia
Wed, May 6 - Sat, May 9
OTP
Bucharest
OPO
Porto
$283 Roundtrip, found 5 days ago
$283
Roundtrip
found 5 days ago
Select Air Serbia flight, departing Wed, May 6 from Bucharest to Porto, returning Sat, May 9, priced at $283 found 5 days ago
Austrian Airlines
Wed, Apr 29 - Wed, May 6
OTP
Bucharest
OPO
Porto
$290 Roundtrip, found 18 hours ago
$290
Roundtrip
found 18 hours ago
Select Austrian Airlines flight, departing Wed, Apr 29 from Bucharest to Porto, returning Wed, May 6, priced at $290 found 18 hours ago
KLM
Sat, Apr 11 - Tue, Apr 14
OTP
Bucharest
OPO
Porto
$294 Roundtrip, found 5 days ago
$294
Roundtrip
found 5 days ago
Select KLM flight, departing Sat, Apr 11 from Bucharest to Porto, returning Tue, Apr 14, priced at $294 found 5 days ago
Lufthansa
Tue, Jun 9 - Tue, Jun 16
OTP
Bucharest
OPO
Porto
$302 Roundtrip, found 11 hours ago
$302
Roundtrip
found 11 hours ago
Select Lufthansa flight, departing Tue, Jun 9 from Bucharest to Porto, returning Tue, Jun 16, priced at $302 found 11 hours ago
LOT-Polish Airlines
Tue, Jun 9 - Tue, Jun 16
OTP
Bucharest
OPO
Porto
$328 Roundtrip, found 11 hours ago
$328
Roundtrip
found 11 hours ago
Select LOT-Polish Airlines flight, departing Tue, Jun 9 from Bucharest to Porto, returning Tue, Jun 16, priced at $328 found 11 hours ago

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

Frequently asked questions

How much does a flight from Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) cost?
You can find cheap one-way flights from $118 and cheap return flights from $260 Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) with Expedia. Roundtrip flights usually range from $788 to $2325. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
The cheapest month to fly from OTP to OPO is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
Enter OTP to OPO and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
KLM is one of the cheapest airlines offering connecting flights from Bucharest (OTP) to Porto (OPO) with round-trip tickets starting from around $996. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
To find a cheap flight from Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
On average, there are around 1 nonstop flights per day from Henri Coanda Intl. (OTP) to Dr. Francisco de Sa Carneiro (OPO). For more options, look at flights that include layovers.
What is the earliest flight from Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
The earliest flight from Bucharest (OTP) to Porto (OPO) usually leaves at around 4:30 AM, operated by Air Serbia. This seasonal service is active in July, and an early departure allows you to make the most of your time in Porto. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
The most popular departure times for flights from Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) are in the early morning, from 6am to 9am. About 85% of passengers prefer this time window. Many major carriers, including Swiss International Air Lines, Lufthansa, and Swiss International Air Lines, offer flights during this window. This timing works well because it allows you to arrive in Porto with plenty of time to enjoy the day ahead.
How long does it take to fly from Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
Flying nonstop from OTP to OPO takes around 4 hours 20 minutes, with the route covering approximately 1,760 miles. Flights with a layover typically take 14 hours 10 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
Business class seats are offered on the OTP to OPO route. Airlines that offer business class service on this route include:

  • Lufthansa
  • Iberia
  • Swiss International Air Lines
  • Turkish Airlines
  • LOT Polish Airlines
  • Aegean
  • Tarom
  • Air Baltic
  • Austrian Airlines
  • KLM

How do I earn miles on a Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight with Expedia?
It's easy to earn miles on a Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Porto from Henri Coanda Intl. (OTP)?
From Henri Coanda Intl. (OTP), you can fly into Dr. Francisco de Sa Carneiro (OPO) to reach Porto. Some flights may connect through major hubs like ZRH (ZRH), Frederic Chopin (WAW), Frankfurt Intl. (FRA) before reaching Porto. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) at the last minute?
Typically, booking a last minute flight from Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight and hotel package?
Securing a Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) Porto Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro)?
If you booked your Bucharest (OTP-Henri Coanda Intl.) to Porto (OPO-Dr. Francisco de Sa Carneiro) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Henri Coanda Intl.
Destination airport
Dr. Francisco de Sa Carneiro
Airlines serving
Air Europa, Air France, Air Serbia, Austrian Airlines, British Airways, Eurowings, KLM, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, TAP Portugal, Tarom-Romanian Air Transport, Turkish Airlines
Roundtrip price
$260
Distance
1759 mi
Average flight time
4 hours 20 mins

Book with confidence

Bucharest to Porto Flights

The cheapest times to fly from Bucharest to Porto

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bucharest to Porto are during the month of October. You can find some of the cheapest flights from Bucharest to Porto with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bucharest to Porto

Sunday is one of the best days to book for cheap flights from Bucharest to Porto: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bucharest to Porto

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bucharest to Porto in 2026. You can also book with separate airlines for your outbound and return journeys, from $118 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bucharest to Porto flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bucharest to Porto airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Bucharest to Porto Flights

*Flight schedules are subject to change.

Explore a world of travel with Expedia

*Available to One Key members.