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Cheap flights from Buffalo to Portugal from C$ 626

BUF — LIS
15 Oct — 22 Oct1
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

Sun 25/107:49 p.m. -
1 stop32h 11m
Tue 10/1110:00 a.m. -
1 stop29h 35m
Deal found 11/9C$ 790
Wed 4/114:16 p.m. -
2 stops17h 39m
Fri 13/1111:05 a.m. -
1 stop12h 31m
Deal found 11/9C$ 800
Mon 26/101:11 p.m. -
1 stop15h 54m
Wed 4/116:30 a.m. -
2 stops20h 07m
Deal found 11/9C$ 801
Mon 26/101:11 p.m. -
1 stop15h 54m
Wed 4/1111:05 a.m. -
1 stop16h 39m
Deal found 11/9C$ 803
Fri 30/106:00 a.m. -
1 stop22h 10m
Fri 6/115:00 a.m. -
2 stops20h 09m
Deal found 15/9C$ 993
Wed 23/96:59 p.m. -
2 stops18h 46m
Sun 27/99:50 a.m. -
2 stops19h 03m
Deal found 11/9C$ 1,109
Mon 26/107:52 p.m. -
1 stop10h 28m
Mon 2/1110:15 a.m. -
1 stop17h 44m
Deal found 11/9C$ 1,117
Thu 24/123:36 p.m. -
2 stops18h 14m
Sun 27/127:05 a.m. -
2 stops20h 54m
Deal found 14/9C$ 1,181
Wed 4/113:26 p.m. -
1 stop12h 39m
Wed 18/1111:05 a.m. -
1 stop16h 39m
Deal found 13/9C$ 1,248
Wed 23/910:33 a.m. -
1 stop18h 57m
Sun 27/91:00 p.m. -
2 stops31h 10m
Deal found 14/9C$ 1,287
Wed 14/107:42 p.m. -
1 stop31h 38m
Tue 20/105:05 a.m. -
2 stops23h 45m
Deal found 14/9C$ 1,304

Find flight deals from Buffalo to Portugal

Round-trip from

C$ 790

One-way from

C$ 626

Popular in

August

Cheapest in

November

Average price

C$ 1,809
Delta
  • Delta
  • 25/10-10/11
  • 2 total stops
  • 61h 46m total
  • Buffalo to Portugal
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30/10-31/12
  • 30/10-31/12
  • 3 total stops
  • 36h 57m total
  • Buffalo to Portugal
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (C$ 512 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 82 potential savings vs. average RT price).
Search Deals
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.

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Fri 30/10

2:09 p.m.-12:15 p.m.

2 stops18h 06m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 643

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Fri 30/10

3:52 p.m.-8:00 a.m.

1 stop12h 08m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 708

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Tue 22/9

7:55 p.m.-5:50 p.m.

2 stops16h 55m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 757

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Wed 4/11

4:16 p.m.-2:55 p.m.

2 stops17h 39m

Lisbon Humberto Delgado

Fri 13/11

11:05 a.m.-6:36 p.m.

1 stop12h 31m

C$ 800

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 26/10

2:52 p.m.-9:05 a.m.

1 stop14h 13m

Lisbon Humberto Delgado

Wed 4/11

11:05 a.m.-10:44 p.m.

1 stop16h 39m

C$ 803
Quickest round-trip

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Tue 22/9

7:59 p.m.-10:30 a.m.

1 stop9h 31m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 917

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Mon 26/10

7:52 p.m.-10:20 a.m.

1 stop10h 28m

Lisbon Humberto Delgado

Mon 2/11

10:15 a.m.-10:59 p.m.

1 stop17h 44m

C$ 1,117

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Sun 14/2

6:00 a.m.-8:10 a.m.

2 stops21h 10m

Lisbon Humberto Delgado

Sun 21/2

10:50 a.m.-10:26 a.m.

3 stops28h 36m

C$ 1,135

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Fri 12/2

6:00 a.m.-8:55 a.m.

2 stops45h 55m

Lisbon Humberto Delgado

Mon 22/2

11:20 a.m.-10:26 a.m.

3 stops52h 06m

C$ 1,141

BuffaloLisbon

BUF Buffalo - LIS Lisbon Humberto Delgado

BUFLIS

Buffalo

Thu 24/12

3:36 p.m.-2:50 p.m.

2 stops18h 14m

Lisbon Humberto Delgado

Sun 27/12

7:05 a.m.-10:59 p.m.

2 stops20h 54m

C$ 1,181

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 12 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 10h 28m. British Airways provides one of the quickest options available for as low as C$ 1,117. The distance from Buffalo to Portugal is about 5697 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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Millions of users choose and trust Cheapflights to book the best flight deals from Buffalo to Portugal for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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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