$347+ Cheap flights from Buffalo (BUF) to Portugal
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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — LIS
Mar 14 — Mar 211
1 adult, Economy
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Find cheap flights from Buffalo to Portugal with Cheapflights
1. Tell us where you want to go
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Cheapest flights from Buffalo to PortugalExplore the most affordable flight options available from Buffalo to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.
Explore the most affordable flight options available from Buffalo to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.
This oojo deal was found by Cheapflights users on 2/10. 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.
Mon 4/2010:44 am
BUF
- LIS
2 stops31h 26m
British Airways
Thu 4/306:45 pm
LIS
- BUF
2 stops31h 51m
British Airways
Deal found 2/10![British Airways logo]()
$509
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 3/46:07 am
BUF
- LIS
1 stop23h 08m
United Airlines
Wed 3/1111:20 am
LIS
- BUF
2 stops37h 26m
United Airlines
Deal found 2/10![United Airlines logo]()
$541
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:52 am
BUF
- LIS
2 stops17h 43m
Delta
Wed 3/1111:25 am
LIS
- BUF
2 stops16h 49m
Delta
Deal found 2/9![Delta logo]()
$552
This Delta deal was found by Cheapflights users on 2/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:00 am
BUF
- LIS
1 stop20h 00m
Delta
Wed 4/295:35 am
LIS
- BUF
2 stops18h 16m
Delta
Deal found 2/10![Delta logo]()
$554
This oojo deal was found by Cheapflights users on 2/10. 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.
Sat 4/1810:44 am
BUF
- LIS
2 stops31h 26m
British Airways
Tue 4/286:45 pm
LIS
- BUF
2 stops31h 51m
British Airways
Deal found 2/10![British Airways logo]()
$559
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Mon 4/207:45 pm
BUF
- LIS
1 stop9h 45m
United Airlines
Thu 4/305:05 am
LIS
- BUF
2 stops18h 15m
United Airlines
Deal found 2/10![United Airlines logo]()
$583
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Mon 10/125:50 pm
BUF
- LIS
2 stops36h 10m
United Airlines
Thu 10/225:05 am
LIS
- BUF
2 stops23h 21m
United Airlines
Deal found 2/9![United Airlines logo]()
$585
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Wed 2/256:25 pm
BUF
- OPO
1 stop10h 05m
United Airlines
Sun 3/16:00 am
OPO
- BUF
2 stops19h 51m
United Airlines
Deal found 2/8![United Airlines logo]()
$668
This TAP AIR PORTUGAL deal was found by Cheapflights users on 2/9. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2010:34 am
BUF
- FNC
2 stops25h 36m
TAP AIR PORTUGAL
Tue 2/249:15 pm
FNC
- BUF
2 stops41h 20m
TAP AIR PORTUGAL
Deal found 2/9![TAP AIR PORTUGAL logo]()
$1,018
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1311:37 am
BUF
- OPO
2 stops18h 53m
Delta
Fri 3/2011:20 am
OPO
- BUF
2 stops16h 54m
Delta
Deal found 2/11![Delta logo]()
$1,121
This KAYAK deal was found by Cheapflights users on 2/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/137:30 pm
BUF
- OPO
2 stops24h 10m
Lufthansa
Fri 3/2012:45 pm
OPO
- BUF
1 stop15h 11m
Lufthansa
Deal found 2/11![Lufthansa logo]()
$1,157
This oojo deal was found by Cheapflights users on 2/10. 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 3/272:28 pm
BUF
- FNC
2 stops16h 37m
Multiple Airlines
Fri 4/32:40 pm
FNC
- BUF
2 stops22h 26m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,577
Best flights from Buffalo to PortugalDiscover carefully curated flight deals from Buffalo to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
Discover carefully curated flight deals from Buffalo to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
This oojo deal was found by Cheapflights users on 2/10. 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.
Mon 4/2010:44 am
BUF
- LIS
2 stops31h 26m
British Airways
Wed 4/297:20 am
LIS
- BUF
2 stops19h 16m
British Airways
Deal found 2/10![British Airways logo]()
$509
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 3/46:07 am
BUF
- LIS
1 stop23h 08m
United Airlines
Wed 3/1111:20 am
LIS
- BUF
2 stops37h 26m
United Airlines
Deal found 2/10![United Airlines logo]()
$541
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:52 am
BUF
- LIS
2 stops17h 43m
Delta
Wed 3/1111:25 am
LIS
- BUF
2 stops16h 49m
Delta
Deal found 2/9![Delta logo]()
$552
This Delta deal was found by Cheapflights users on 2/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:00 am
BUF
- LIS
1 stop20h 00m
Delta
Wed 4/295:35 am
LIS
- BUF
2 stops18h 16m
Delta
Deal found 2/10![Delta logo]()
$554
This oojo deal was found by Cheapflights users on 2/10. 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.
Thu 4/2310:44 am
BUF
- LIS
2 stops31h 21m
British Airways
Tue 4/286:45 pm
LIS
- BUF
2 stops33h 34m
British Airways
Deal found 2/10![British Airways logo]()
$559
This KAYAK deal was found by Cheapflights users on 2/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:00 am
BUF
- OPO
1 stop23h 30m
Lufthansa
Fri 3/2012:45 pm
OPO
- BUF
1 stop15h 11m
Lufthansa
Deal found 2/11![Lufthansa logo]()
$1,324
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Wed 2/256:25 pm
BUF
- OPO
1 stop10h 05m
United Airlines
Sun 3/16:00 am
OPO
- BUF
2 stops19h 51m
United Airlines
Deal found 2/8![United Airlines logo]()
$668
This oojo deal was found by Cheapflights users on 2/10. 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 3/272:28 pm
BUF
- FNC
2 stops16h 37m
Multiple Airlines
Fri 4/32:40 pm
FNC
- BUF
2 stops22h 26m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,577
This Air Canada deal was found by Cheapflights users on 2/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/271:52 pm
BUF
- FNC
3 stops19h 38m
Air Canada
Fri 4/39:25 am
FNC
- BUF
3 stops29h 46m
Air Canada
Deal found 2/10![Air Canada logo]()
$3,698
Last-minute flights from Buffalo to PortugalDiscover last-minute flight deals from Buffalo to Portugal. Data last updated February 12, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Portugal. Data last updated February 12, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 2/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/148:59 pm
BUF
- FNC
2 stops35h 16m
Multiple Airlines
Sat 2/2111:15 am
FNC
- BUF
2 stops36h 31m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$2,201
This TAP AIR PORTUGAL deal was found by Cheapflights users on 2/9. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2010:34 am
BUF
- FNC
2 stops25h 36m
TAP AIR PORTUGAL
Tue 2/249:15 pm
FNC
- BUF
2 stops41h 20m
TAP AIR PORTUGAL
Deal found 2/9![TAP AIR PORTUGAL logo]()
$1,018
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Wed 2/256:07 am
BUF
- LIS
2 stops21h 03m
United Airlines
Sun 3/15:00 am
LIS
- BUF
2 stops23h 44m
United Airlines
Deal found 2/8![United Airlines logo]()
$593
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Wed 2/256:25 pm
BUF
- OPO
1 stop10h 05m
United Airlines
Sun 3/16:00 am
OPO
- BUF
2 stops19h 51m
United Airlines
Deal found 2/8![United Airlines logo]()
$668
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 3/46:07 am
BUF
- LIS
1 stop23h 08m
United Airlines
Wed 3/1111:20 am
LIS
- BUF
2 stops37h 26m
United Airlines
Deal found 2/10![United Airlines logo]()
$541
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:52 am
BUF
- LIS
2 stops17h 43m
Delta
Wed 3/1111:25 am
LIS
- BUF
2 stops16h 49m
Delta
Deal found 2/9![Delta logo]()
$552
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1311:37 am
BUF
- OPO
2 stops18h 53m
Delta
Fri 3/2011:20 am
OPO
- BUF
2 stops16h 54m
Delta
Deal found 2/11![Delta logo]()
$1,121
This KAYAK deal was found by Cheapflights users on 2/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/137:30 pm
BUF
- OPO
2 stops24h 10m
Lufthansa
Fri 3/2012:45 pm
OPO
- BUF
1 stop15h 11m
Lufthansa
Deal found 2/11![Lufthansa logo]()
$1,157
This oojo deal was found by Cheapflights users on 2/10. 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 3/272:28 pm
BUF
- FNC
2 stops16h 37m
Multiple Airlines
Fri 4/32:40 pm
FNC
- BUF
2 stops22h 26m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,577
This Air Canada deal was found by Cheapflights users on 2/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/271:52 pm
BUF
- FNC
3 stops19h 38m
Air Canada
Fri 4/39:25 am
FNC
- BUF
3 stops29h 46m
Air Canada
Deal found 2/10![Air Canada logo]()
$3,698
One-way flights from Buffalo to PortugalSearch for one-way flight options from Buffalo to Portugal. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
Search for one-way flight options from Buffalo to Portugal. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1811:25 am
BUF
- LIS
3 stops52h 20m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$347
This Orbitz deal was found by Cheapflights users on 2/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:50 pm
BUF
- LIS
2 stops21h 55m
Lufthansa
Deal found 2/9![Lufthansa logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/161:08 pm
BUF
- LIS
3 stops51h 57m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$413
This oojo deal was found by Cheapflights users on 2/10. 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 5/299:45 am
BUF
- OPO
2 stops20h 55m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1711:25 am
BUF
- LIS
3 stops50h 30m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$421
This SmartFares deal was found by Cheapflights users on 2/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:25 pm
BUF
- LIS
1 stop16h 50m
TAP AIR PORTUGAL
Deal found 2/9![TAP AIR PORTUGAL logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:39 pm
BUF
- LIS
2 stops34h 06m
Aer Lingus
Deal found 2/9![Aer Lingus logo]()
$432
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:08 pm
BUF
- LIS
3 stops50h 57m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:08 pm
BUF
- LIS
3 stops50h 42m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/151:08 pm
BUF
- LIS
3 stops43h 42m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$480
This Gurufare deal was found by Cheapflights users on 2/9. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/266:00 am
BUF
- LIS
2 stops25h 50m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$482
This Cheapflightsfares deal was found by Cheapflights users on 2/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:55 pm
BUF
- OPO
2 stops22h 30m
Lufthansa
Deal found 2/9![Lufthansa logo]()
$519
Find flight deals from Buffalo to Portugal
Keep the following information in mind while searching for Buffalo to Portugal flight deals. Data was last updated February 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $509 (oojo) |
One-way from | $347 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $640 |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to Portugal 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 12, 2026.
Use the filters below to find and compare flights from Buffalo to Portugal that are best for you.
Fly from
Buffalo
Fly to
Portugal
Route
Depart
Return
Price
BuffaloLisbon
BUF - LIS
BUFLIS
Buffalo
Mon 4/20
10:44 am-11:10 pm
2 stops31h 26m
Lisbon Humberto Delgado
Wed 4/29
7:20 am-9:36 pm
2 stops19h 16m
$509
BuffaloLisbon
BUF - LIS
BUFLIS
Buffalo
Wed 3/4
6:07 am-10:15 am
1 stop23h 08m
Lisbon Humberto Delgado
Wed 3/11
11:20 am-8:46 pm
2 stops37h 26m
$541
BuffaloLisbon
BUF - LIS
BUFLIS
Buffalo
Wed 3/4
11:52 am-10:35 am
2 stops17h 43m
Lisbon Humberto Delgado
Wed 3/11
11:25 am-12:14 am
2 stops16h 49m
$552
BuffaloLisbon
BUF - LIS
BUFLIS
Buffalo
Mon 4/20
7:00 am-8:00 am
1 stop20h 00m
Lisbon Humberto Delgado
Wed 4/29
5:35 am-6:51 pm
2 stops18h 16m
$554
BuffaloLisbon
BUF - LIS
BUFLIS
Buffalo
Thu 4/23
10:44 am-11:05 pm
2 stops31h 21m
Lisbon Humberto Delgado
Tue 4/28
6:45 pm-11:19 pm
2 stops33h 34m
$559
BuffaloPorto
BUF - OPO
BUFOPO
Buffalo
Wed 2/25
6:25 pm-9:30 am
1 stop10h 05m
Porto
Sun 3/1
6:00 am-8:51 pm
2 stops19h 51m
$668
BuffaloPorto
BUF - OPO
BUFOPO
Buffalo
Fri 3/13
6:00 am-9:30 am
1 stop23h 30m
Porto
Fri 3/20
12:45 pm-11:56 pm
1 stop15h 11m
$1,324
BuffaloFunchal
BUF - FNC
BUFFNC
Buffalo
Fri 3/27
2:28 pm-11:05 am
2 stops16h 37m
Funchal Madeira
Fri 4/3
2:40 pm-8:06 am
2 stops22h 26m
$1,577
BuffaloFunchal
BUF - FNC
BUFFNC
Buffalo
Fri 3/27
1:52 pm-1:30 pm
3 stops19h 38m
Funchal Madeira
Fri 4/3
9:25 am-10:11 am
3 stops29h 46m
$3,698
BuffaloLisbon
BUF - LIS
BUFLIS
Buffalo
Mon 5/18
11:25 am-8:45 pm
3 stops52h 20m
$347
Showing 1-10 of 24 results
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.
BUF-LIS
BUF-OPO
BUF-FNC
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.
Cheapflights Insights
Everything you need to know about your flight from Buffalo to Portugal
BUF-PT0
BUF-LIS
BUF-OPO
BUF-FNC
What is the cheapest month to book a flight from Buffalo to Portugal?
Currently, February is the cheapest month in which you can book a flight from Buffalo to Portugal (average of $522). Flying from Buffalo to Portugal in June is currently the most expensive (average of $1,015). 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.
Reviews of airlines servicing Portugal
Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated February 12, 2026.
Peruse reviews from past customers who have flown with United Airlines and TAP AIR PORTUGAL from Buffalo to Portugal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.6
Entertainment
7.1
Boarding
7.7
Overall
7.4
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Entertainment
7.1
Boarding
7.7
Overall
7.4
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Entertainment
7.1
Boarding
7.7
Overall
7.4
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from Buffalo to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Buffalo to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Buffalo to Portugal by cabin class
Find flights from Buffalo to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Buffalo and Portugal flights
Browse other Buffalo and Portugal flight options. Last updated on February 12, 2026.
Popular flight searches
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Buffalo to Portugal flights
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Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 2 airlines flying from Buffalo to Portugal
Discover the top 2 airlines that operate flights from Buffalo to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$628 | Average$863 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$699 | Average$964 | FlexibilityNo cancel fee | On-timeN/A |