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Cheap flights from Buffalo to Portugal from C$ 467

BUF — LIS
30 Oct — 6 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to Portugal

Enter your travel dates to find the best prices.

Cheapest flights from Buffalo to Portugal

Mon 2/118:55 p.m. -
1 stop30h 15m
Tue 17/115:00 a.m. -
2 stops19h 04m
Deal found 29/9C$ 999
Wed 11/1110:51 a.m. -
1 stop17h 39m
Wed 18/116:00 a.m. -
2 stops21h 59m
Deal found 26/9C$ 1,002
Mon 26/106:00 a.m. -
1 stop24h 20m
Wed 4/115:00 a.m. -
2 stops22h 59m
Deal found 28/9C$ 1,012
Fri 13/116:00 a.m. -
1 stop23h 20m
Fri 20/1111:20 a.m. -
2 stops51h 48m
Deal found 29/9C$ 1,080
Sat 14/116:00 a.m. -
2 stops46h 30m
Sat 21/1112:30 p.m. -
2 stops37h 06m
Deal found 30/9C$ 1,124
Sat 14/116:00 a.m. -
2 stops45h 10m
Sat 21/1112:25 p.m. -
2 stops37h 11m
Deal found 30/9C$ 1,135
Sat 14/113:20 p.m. -
1 stop11h 40m
Sat 21/1110:00 a.m. -
1 stop18h 57m
Deal found 30/9C$ 1,169
Wed 25/116:30 a.m. -
2 stops21h 25m
Mon 30/113:55 p.m. -
2 stops36h 39m
Deal found 29/9C$ 1,177
Wed 14/107:53 p.m. -
2 stops32h 57m
Tue 20/105:55 a.m. -
2 stops42h 08m
Deal found 28/9C$ 1,275
Mon 7/1211:23 a.m. -
1 stop17h 07m
Fri 11/126:00 a.m. -
2 stops19h 46m
Deal found 29/9C$ 1,532
Wed 14/107:53 p.m. -
2 stops32h 47m
Wed 28/104:25 p.m. -
2 stops27h 54m
Deal found 28/9C$ 2,027
Wed 14/103:52 p.m. -
1 stop12h 53m
Wed 28/1012:35 p.m. -
1 stop11h 34m
Deal found 28/9C$ 3,070

Find flight deals from Buffalo to Portugal

Round-trip from

C$ 999

One-way from

C$ 467

Popular in

August

Cheapest in

April

Average price

C$ 1,844
United Airlines
  • United Airlines
  • 2/11-17/11
  • 3 total stops
  • 49h 19m total
  • Buffalo to Portugal
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United Airlines
  • United Airlines
  • 28/2-31/12
  • 2 total stops
  • 21h 30m total
  • Buffalo to Portugal
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 477 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 79 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Buffalo to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Sun 28/2

7:00 a.m.-9:30 a.m.

2 stops21h 30m

Porto

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 467

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Fri 19/3

4:57 p.m.-12:05 p.m.

2 stops15h 08m

Lisbon Humberto Delgado

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 653

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Wed 11/11

10:51 a.m.-9:30 a.m.

1 stop17h 39m

Porto

Wed 18/11

6:00 a.m.-10:59 p.m.

2 stops21h 59m

C$ 1,002

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 26/10

6:00 a.m.-10:20 a.m.

1 stop24h 20m

Lisbon Humberto Delgado

Wed 4/11

5:00 a.m.-9:54 a.m.

2 stops33h 54m

C$ 1,012
Quickest round-trip

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Tue 17/11

2:55 p.m.-10:05 a.m.

1 stop14h 10m

Lisbon Humberto Delgado

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 1,058

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Tue 17/11

10:36 a.m.-12:05 p.m.

2 stops20h 29m

Lisbon Humberto Delgado

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 1,064

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sat 20/3

2:44 p.m.-6:55 a.m.

2 stops36h 11m

Lisbon Humberto Delgado

Sun 28/3

5:05 a.m.-11:42 p.m.

2 stops23h 37m

C$ 1,105

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Thu 11/3

10:20 a.m.-10:20 a.m.

1 stop19h 00m

Lisbon Humberto Delgado

Fri 19/3

12:20 p.m.-11:42 p.m.

1 stop15h 22m

C$ 1,109

BuffaloPorto

BUF Buffalo - OPO Porto

BUFOPO

Buffalo

Sat 14/11

6:00 a.m.-9:30 a.m.

2 stops46h 30m

Porto

Sat 21/11

12:30 p.m.-8:36 p.m.

2 stops37h 06m

C$ 1,124

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sat 13/3

5:50 p.m.-9:20 a.m.

2 stops34h 30m

Lisbon Humberto Delgado

Mon 22/3

11:55 a.m.-11:42 p.m.

1 stop15h 47m

C$ 1,128

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/9

Showing 1-10 of 16 resultsSorted by cheapest first
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Best time to book a flight from Buffalo to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Buffalo with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Portugal

No data available for this route at this time. Please check back soon.

Related info for your journey

  • What airport do you fly from for flights from Buffalo to Portugal?

    Buffalo (BUF) is the airport you will fly out of if you book a flight from Buffalo to Portugal. It is only a 13.4 km journey to Buffalo (BUF) from Buffalo’s city centre.

  • How long is the flight from Buffalo to Portugal?

    A quick flight from Buffalo to Portugal can take about 22h 34m. United Airlines provides one of the quickest options available for as low as C$ 1,439. The distance from Buffalo to Portugal is about 5604 km. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

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

See more FAQs

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Cheapflights makes it easy to find Buffalo to Portugal flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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Can Cheapflights find flights from Buffalo to Portugal with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Buffalo to Portugal, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Buffalo to Portugal become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Portugal from Buffalo today and book when prices fit your budget.

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