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Cheap flights from Buffalo to Portugal from $283

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Portugal departing on 10/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 10:20 am-
24h 20m
United Airlines Logo
5:00 am - 10:59 pm-
22h 59m
$713United Airlines
Mon, Oct 26 - Wed, Nov 4
United Airlines Logo
6:00 am - 10:20 am-
24h 20m
United Airlines Logo
5:00 am - 10:59 pm-
22h 59m
$714United Airlines
Mon, Oct 26 - Wed, Nov 4
American Airlines Logo
4:35 pm - 12:05 pm-
15h 30m
American Airlines Logo
8:20 am - 9:35 pm-
18h 15m
$715American Airlines
Mon, Oct 26 - Wed, Nov 4
United Airlines Logo
6:00 am - 10:40 am-
24h 40m
United Airlines Logo
5:00 am - 9:54 am-
33h 54m
$717United Airlines
Mon, Oct 26 - Wed, Nov 4
United Airlines Logo
8:55 pm - 9:30 am-
31h 35m
United Airlines Logo
6:00 am - 8:36 pm-
19h 36m
$722United Airlines
Mon, Nov 2 - Fri, Nov 6
British Airways Logo
1:11 pm - 9:05 am-
15h 54m
British Airways Logo
11:05 am - 6:36 pm-
12h 31m
$723British Airways
Mon, Oct 26 - Wed, Nov 4
British Airways Logo
1:11 pm - 9:05 am-
15h 54m
British Airways Logo
11:05 am - 6:36 pm-
12h 31m
$724British Airways
Mon, Oct 26 - Wed, Nov 4
TAP AIR PORTUGAL Logo
3:10 pm - 10:20 am-
14h 10m
TAP AIR PORTUGAL Logo
5:00 pm - 8:24 am-
20h 24m
$1,024TAP AIR PORTUGAL
Wed, Oct 14 - Tue, Oct 20
TAP AIR PORTUGAL Logo
2:23 pm - 10:20 am-
14h 57m
TAP AIR PORTUGAL Logo
5:05 pm - 8:10 am-
20h 05m
$1,043TAP AIR PORTUGAL
Wed, Sep 23 - Sun, Sep 27
TAP AIR PORTUGAL Logo
9:15 am - 10:20 am-
20h 05m
TAP AIR PORTUGAL Logo
5:05 pm - 8:10 am-
20h 05m
$1,050TAP AIR PORTUGAL
Wed, Sep 23 - Sun, Sep 27

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United Airlines flights from Buffalo to Portugal

Our best United Airlines deals on Buffalo to Portugal flight tickets
United Airlines
Oct 26
BUF6:00 amBuffalo
24h 20m
1 stop
LIS10:20 amLisbon Humberto Delgado
Nov 4
LIS5:00 amLisbon Humberto Delgado
22h 59m
2 stops
BUF10:59 pmBuffalo
$713
United Airlines
Oct 26
BUF6:00 amBuffalo
24h 20m
1 stop
LIS10:20 amLisbon Humberto Delgado
Nov 4
LIS5:00 amLisbon Humberto Delgado
22h 59m
2 stops
BUF10:59 pmBuffalo
$714
United Airlines
Oct 26
BUF6:00 amBuffalo
24h 40m
2 stops
LIS10:40 amLisbon Humberto Delgado
Nov 4
LIS5:00 amLisbon Humberto Delgado
33h 54m
2 stops
BUF9:54 amBuffalo
$717

American Airlines flights from Buffalo to Portugal

Our best American Airlines deals on Buffalo to Portugal flight tickets
American Airlines
Oct 26
BUF4:35 pmBuffalo
15h 30m
2 stops
LIS12:05 pmLisbon Humberto Delgado
Nov 4
LIS8:20 amLisbon Humberto Delgado
18h 15m
2 stops
BUF9:35 pmBuffalo
$715
American Airlines
Sep 23
BUF4:55 pmBuffalo
13h 55m
2 stops
LIS11:50 amLisbon Humberto Delgado
Sep 27
LIS11:05 amLisbon Humberto Delgado
17h 35m
1 stop
BUF11:40 pmBuffalo
$1,091

momondo 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, momondo users made 832,500 searches. Data last updated August 5, 2026.
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

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 10/26

6:00 am-10:20 am

1 stop24h 20m

Lisbon Humberto Delgado

Wed 11/4

5:00 am-10:59 pm

2 stops22h 59m

$713

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 10/26

6:00 am-10:20 am

1 stop24h 20m

Lisbon Humberto Delgado

Wed 11/4

5:00 am-10:59 pm

2 stops22h 59m

$714

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 10/26

4:35 pm-12:05 pm

2 stops15h 30m

Lisbon Humberto Delgado

Wed 11/4

8:20 am-9:35 pm

2 stops18h 15m

$715

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 10/26

6:00 am-10:40 am

2 stops24h 40m

Lisbon Humberto Delgado

Wed 11/4

5:00 am-9:54 am

2 stops33h 54m

$717

BuffaloPorto

BUF - OPO

BUFOPO

Buffalo

Mon 11/2

8:55 pm-9:30 am

1 stop31h 35m

Porto

Fri 11/6

6:00 am-8:36 pm

2 stops19h 36m

$722
Quickest round-trip

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 10/26

1:11 pm-9:05 am

1 stop15h 54m

Lisbon Humberto Delgado

Wed 11/4

11:05 am-6:36 pm

1 stop12h 31m

$723

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Mon 10/26

1:11 pm-9:05 am

1 stop15h 54m

Lisbon Humberto Delgado

Wed 11/4

11:05 am-6:36 pm

1 stop12h 31m

$724

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 10/14

3:10 pm-10:20 am

1 stop14h 10m

Lisbon Humberto Delgado

Tue 10/20

5:00 pm-8:24 am

1 stop20h 24m

$1,024

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 9/23

2:23 pm-10:20 am

1 stop14h 57m

Lisbon Humberto Delgado

Sun 9/27

5:05 pm-8:10 am

1 stop20h 05m

$1,043

BuffaloLisbon

BUF - LIS

BUFLIS

Buffalo

Wed 9/23

9:15 am-10:20 am

1 stop20h 05m

Lisbon Humberto Delgado

Sun 9/27

5:05 pm-8:10 am

1 stop20h 05m

$1,050

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portugal from

How to get the cheapest flight ticket from Buffalo to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Buffalo is in June. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of June, then book flights to Portugal from Buffalo during February instead. Flights to Portugal in February, while not as cheap as those in June, still average around $640.

Can stopping save me money on Buffalo to Portugal flights?

You could potentially save up to 38% on your flight if you consider stops on a Buffalo to Portugal flight.

Cheap Buffalo to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Portugal

Fastest flight time

13h 14m

Direct flights

None
The fastest flight from Buffalo to Portugal takes 13h 14m
There are no direct flights from Buffalo to Portugal. There are no popular flight routes from Buffalo to Portugal.
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Frequently asked questions about flying from Buffalo to Portugal

  • When did momondo last update prices for flights from Buffalo Airport to Portugal?

    Prices for flights from Buffalo Airport to Portugal were last updated today.

  • How many operators does momondo search for flights from Buffalo Airport to Portugal?

  • How old do you have to be to fly from Buffalo Airport to Portugal?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Buffalo to Portugal

Compare and see reviews for airlines that fly from Buffalo to Portugal with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $628Free CancellationRating
7.4
10,060 reviews
Search United Airlines flights
TAP AIR PORTUGALPriceFrom $699Free CancellationRating
7.2
2,357 reviews
Search TAP AIR PORTUGAL flights

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Portugal?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portugal from Buffalo.

Can I find flights from Buffalo to Portugal with flexible booking policies on momondo?

Flights from Buffalo to Portugal with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Buffalo to Portugal?

Once you have performed a search for Buffalo to Portugal flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Buffalo to Portugal right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Portugal from Buffalo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Portugal trip

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Find better results for your trip to Portugal

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Popular flights according to clicks in the last 7 days on momondo
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