BUF - OPO

$523 Find Cheap Flights from Buffalo to Porto - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$717
Typical prices: $687-$1,174
United Airlines
Fri 12/7Tue 12/11
BUF - OPO • 1 stop
Cheapest one-way
$523
Typical prices: $552-$684
United Airlines
Mon 10/1
BUF - OPO • 2 stops
When to travel
April
Cheapest • 41% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Newark (EWR)
Cheapest • Avg $717 (round-trip)
New York John F Kennedy Intl (JFK)
Shortest trip • 11h 37m (one-way)
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Cheap Flights from Buffalo to Porto (BUF-OPO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Buffalo to Porto

Mon, Dec 7 - Fri, Dec 11
United Airlines Logo
7:25 pm - 9:30 amBUF  Buffalo-OPO Porto
9h 05m1 stop Newark
United Airlines Logo
6:00 am - 8:44 pmOPO  Porto-BUF Buffalo
19h 44m2 stops Frankfurt am Main Newark
$717United Airlines
Mon, Dec 7 - Fri, Dec 11
United Airlines Logo
11:28 am - 9:30 amBUF  Buffalo-OPO Porto
17h 02m1 stop Newark
United Airlines Logo
6:00 am - 8:46 pmOPO  Porto-BUF Buffalo
19h 46m2 stops Frankfurt am Main Chicago O'Hare Intl
$717United Airlines
Mon, Dec 7 - Fri, Dec 11
United Airlines Logo
11:28 am - 9:30 amBUF  Buffalo-OPO Porto
17h 02m1 stop Newark
United Airlines Logo
6:00 am - 8:46 pmOPO  Porto-BUF Buffalo
19h 46m2 stops Frankfurt am Main Chicago O'Hare Intl
$718United Airlines
Mon, Dec 7 - Fri, Dec 11
United Airlines Logo
7:25 pm - 9:30 amBUF  Buffalo-OPO Porto
9h 05m1 stop Newark
United Airlines Logo
6:00 am - 8:44 pmOPO  Porto-BUF Buffalo
19h 44m2 stops Frankfurt am Main Newark
$718United Airlines
Mon, Dec 7 - Fri, Dec 11
United Airlines Logo
6:30 am - 9:30 amBUF  Buffalo-OPO Porto
22h 00m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
6:00 am - 11:06 pmOPO  Porto-BUF Buffalo
22h 06m2 stops Frankfurt am Main Newark
$722United Airlines
Wed, Oct 14 - Wed, Oct 21
Multiple Airlines Logo
7:00 am - 7:00 amBUF  Buffalo-OPO Porto
19h 00m3 stops Chicago O'Hare Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
11:20 am - 9:29 amOPO  Porto-BUF Buffalo
27h 09m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$895Multiple Airlines
Wed, Oct 14 - Wed, Oct 21
Air Canada Logo
7:00 am - 7:00 amBUF  Buffalo-OPO Porto
19h 00m3 stops Chicago O'Hare Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
11:20 am - 9:29 amOPO  Porto-BUF Buffalo
27h 09m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Chicago O'Hare Intl
$903Air Canada
Sun, Oct 4 - Sat, Oct 10
Iberia Logo
6:56 pm - 7:40 amBUF  Buffalo-OPO Porto
31h 44m2 stops Chicago O'Hare Intl Madrid Barajas
Iberia Logo
8:40 pm - 9:35 pmOPO  Porto-BUF Buffalo
29h 55m2 stops Madrid Barajas Boston Logan Intl
$968Iberia
Wed, Oct 14 - Wed, Oct 21
Delta Logo
7:50 pm - 10:30 amBUF  Buffalo-OPO Porto
9h 40m1 stop New York John F Kennedy Intl
Delta Logo
5:55 am - 11:59 pmOPO  Porto-BUF Buffalo
23h 04m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County
$1,024Delta
Wed, Oct 14 - Wed, Oct 21
TAP AIR PORTUGAL Logo
2:54 pm - 10:45 amBUF  Buffalo-OPO Porto
14h 51m1 stop Boston Logan Intl
TAP AIR PORTUGAL Logo
6:00 pm - 7:59 pmOPO  Porto-BUF Buffalo
30h 59m1 stop Boston Logan Intl
$1,135TAP AIR PORTUGAL
Booking Insights

Price, demand and travel trends for Buffalo to Porto flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Buffalo to Porto with more confidence.

How much is a round-trip flight from Buffalo to Porto?

Round-trip flights from Buffalo to Porto start at $717. Prices are typical for this route right now, with typical round-trip fares ranging from $687 to $1,174. The lowest price found in the past 5 days was $717 on United Airlines.

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Key details for Buffalo to Porto flights

Low season

January

Cheapest flight

$523
Flight from Buffalo to Porto

When to book flights from Buffalo to Porto

Are your dates flexible? Find out the best times to travel from Buffalo to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Buffalo to Porto flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Buffalo to Porto?

    Flights from Buffalo to Porto usually depart from Buffalo (BUF) and arrive at Porto (OPO).

  • What cabin classes can I book on flights from Buffalo to Porto?

    Only Economy Class is available on flights from Buffalo to Porto.

  • Which airports do connecting flights from Buffalo to Porto pass through?

    One-stop flights from Buffalo to Porto most commonly connect through:

    • New York John F Kennedy Intl (JFK) - 75% of one-stop connections
    • Boston Logan Intl (BOS) - 13% of one-stop connections
    • Newark (EWR) - 13% of one-stop connections

    New York John F Kennedy Intl (JFK) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Buffalo to Porto?

    Yes. Being flexible with your travel dates can save you up to 65% on the Buffalo to Porto route. Tuesday is the cheapest departure day at $560 round-trip on average, while Saturday is the most expensive at $1,592, a difference of $1,032. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Porto?

    Some of the most popular sights in Porto are Ribeira, Ribeira Square and Mercado do Bolhão. These are among the most viewed places in Porto on KAYAK.

  • How long is a flight from Buffalo to Porto?

    There are currently no nonstop flights available from Buffalo to Porto. Flights with 1 layover take between 11h 37m and 15h 46m in total, depending on the connection.

  • Do I need a passport to fly from Buffalo to Porto?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Buffalo to Porto changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $717 to $2,419. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Buffalo to Porto looking right now?

    One-way fares from Buffalo to Porto are currently lower than usual. Average one-way flight prices are about $551, which is 15% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Buffalo to Porto?

    Flying via New York John F Kennedy Intl (JFK) gives the shortest average 1-stop total travel time at 11h 37m, compared with 11h 53m via Newark (EWR) and 15h 46m via Boston Logan Intl (BOS).

  • What is the time difference between Buffalo and Porto?

    Porto is 5 hours ahead of Buffalo (Western European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Porto Airport (OPO)?

    Porto Airport (OPO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:
    · Klass Wagen
    · Drive on Holiday
    · GREEN MOTION
    · Goldcar Rental SP
    · SURPRICE CAR RENTAL

  • How much should I expect to pay for a Buffalo to Porto flight?

    Round-trip flights from Buffalo to Porto range from $687 to $1,174, with an average of $991 over the past 12 months. Anything below $687 counts as a good deal.

Your guide to booking Buffalo to Porto flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Saturday. On this route, Tuesday flights average $560 - about $1,032 less than Saturday (65% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Buffalo to Porto trip for April. Fares historically average $587 round-trip in that month - typically $778 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Airport.
    - Opo Hotel Porto Aeroporto

More options for your flight from Buffalo to Porto

Complete your trip to Porto with a hotel stay or car rental

Car rentals in Porto
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