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$620+ Cheap flights from Buffalo (BUF) to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — OPO
Feb 26 — Mar 51
Wed 2/26
Wed 3/5
1 adult, Economy
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Cheap flight deals from Buffalo to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,084
(FlightHub)

One-way from

$620
(American Airlines)
Provider with most accurate pricing for Buffalo-Porto flight deals.
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Provider most trusted by Cheapflights users for Buffalo-Porto flights.
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From Buffalo to Porto
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One-way flight from Buffalo to Porto
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Cheapest flights from Buffalo to Porto
Explore the most affordable flight options available from Buffalo to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 21, 2025.

This oojo deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:05 amBUF - OPO
2 stops21h 45mTurkish Airlines
Mon 9/2910:50 amOPO - BUF
2 stops53h 39mTurkish Airlines
Deal found 2/19$940
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/191:53 pmBUF - OPO
1 stop12h 02mUnited Airlines
Mon 9/2912:10 pmOPO - BUF
2 stops40h 16mUnited Airlines
Deal found 2/19$1,064
This FlightHub deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/47:00 amBUF - OPO
2 stops30h 00mTAP AIR PORTUGAL
Tue 3/258:00 pmOPO - BUF
2 stops28h 40mTAP AIR PORTUGAL
Deal found 2/19$1,084
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1911:40 amBUF - OPO
2 stops19h 00mAmerican Airlines
Mon 9/298:15 amOPO - BUF
3 stops17h 04mAmerican Airlines
Deal found 2/19$3,679

Find flights from Buffalo to Porto within your budget

Customize your flight search to find flights from Buffalo to Porto 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, Cheapflights users made 2,558,603 searches. Data last updated February 21, 2025.

Fly from

Buffalo

Fly to

Porto

Route

Depart

Return

Price

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Tue 3/4

7:00 am-6:00 pm

2 stops30h 00m

Porto

Tue 3/25

8:00 pm-8:40 pm

2 stops28h 40m

$1,084

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Tue 4/22

12:44 pm-11:40 am

2 stops17h 56m

$620

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Thu 6/12

6:04 pm-8:25 pm

2 stops21h 21m

$842

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Thu 6/12

4:55 pm-9:45 am

1 stop11h 50m

$1,068

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

  • Most accurate provider: When it comes to deals on Buffalo-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Buffalo to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Buffalo to Porto

Get recent, data-driven insights about flights from Buffalo to Porto including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from BUF to OPO?

Find hourly flight availability from Buffalo to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 21, 2025.

When flying from Buffalo to Porto, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 26% versus a flight at noon.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated February 21, 2025.
United Airlines
7.4
Good
8,765 reviews

Food

6.7

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines
7.4
Good
8,765 reviews
United Airlines
7.4
Good
8,765 reviews

Food

6.7

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,765 reviews

Food

6.7

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

TAP AIR PORTUGAL
7.1
Good
1,847 reviews
United Airlines
7.4
Good
8,765 reviews

Food

6.7

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Buffalo to Porto round-trip?

    Our cheapest airline available from Buffalo to Porto is TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as $1,084 on this airline.

  • What are the cheapest airlines to fly from Buffalo to Porto one-way?

    $620 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on TAP AIR PORTUGAL and United Airlines, with prices starting from $842 and $1,068, respectively.

  • Can I find deals for flights from Buffalo to Porto that include hotel bookings?

    Yes. In addition to deals on Buffalo to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Porto.

  • Can I find deals for business class flights from Buffalo to Porto?

    Yes. Cheapflights offers flight deals from Buffalo to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buffalo to Porto?

    Currently, January is the cheapest month in which you can book a flight from Buffalo to Porto (average of $523). Flying from Buffalo to Porto in June is currently the most expensive (average of $1,092). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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