$374 Find Cheap Flights from Buffalo to Portugal

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Buffalo to Portugal departing on 8/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Buffalo to Portugal

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Lisbon
Lisbon2 stops$722
Porto
Porto2 stops$763
Funchal
Funchal2 stops$1,362
Lisbon
Lisbon2 stops$722
Porto
Porto2 stops$763
Funchal
Funchal2 stops$1,362

Book Cheap Buffalo to Portugal Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Buffalo to Portugal that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Buffalo to Portugal

Mon, Apr 20 - Thu, Apr 30
Scandinavian Airlines Logo
2:34 pm - 3:50 pm
BUF
-
LIS
20h 16m
2 stops
Scandinavian Airlines Logo
7:00 am - 7:19 pm
LIS
-
BUF
17h 19m
2 stops
$722Scandinavian Airlines
Thu, Apr 23 - Thu, Apr 30
Delta Logo
7:36 pm - 6:45 pm
BUF
-
LIS
18h 09m
2 stops
Delta Logo
5:00 am - 7:19 pm
LIS
-
BUF
19h 19m
2 stops
$725Delta
Thu, Apr 23 - Thu, Apr 30
Delta Logo
7:36 pm - 6:45 pm
BUF
-
LIS
18h 09m
2 stops
Delta Logo
10:00 am - 12:50 am
LIS
-
BUF
19h 50m
1 stop
$736Delta
Sun, Apr 12 - Tue, Apr 28
Multiple Airlines Logo
10:44 am - 9:05 am
BUF
-
LIS
17h 21m
1 stop
Multiple Airlines Logo
7:10 am - 10:04 pm
LIS
-
BUF
19h 54m
2 stops
$748Multiple Airlines
Mon, Apr 20 - Thu, Apr 30
Scandinavian Airlines Logo
11:52 am - 3:50 pm
BUF
-
LIS
22h 58m
3 stops
Scandinavian Airlines Logo
7:00 am - 7:19 pm
LIS
-
BUF
17h 19m
2 stops
$756Scandinavian Airlines
Mon, Apr 20 - Thu, Apr 30
KLM Logo
7:00 am - 8:00 am
BUF
-
LIS
20h 00m
1 stop
KLM Logo
11:55 am - 12:50 am
LIS
-
BUF
17h 55m
2 stops
$759KLM
Sun, Apr 26 - Tue, May 12
United Airlines Logo
6:00 am - 9:45 am
BUF
-
OPO
22h 45m
1 stop
United Airlines Logo
12:35 pm - 4:54 pm
OPO
-
BUF
33h 19m
2 stops
$777United Airlines
Sat, May 9 - Sat, May 16
Multiple Airlines Logo
2:28 pm - 9:40 am
BUF
-
OPO
38h 12m
2 stops
Multiple Airlines Logo
6:15 am - 9:24 am
OPO
-
BUF
32h 09m
2 stops
$827Multiple Airlines
Sat, Apr 25 - Sat, May 2
United Airlines Logo
7:45 pm - 11:15 am
BUF
-
OPO
34h 30m
2 stops
United Airlines Logo
6:00 am - 4:54 pm
OPO
-
BUF
39h 54m
2 stops
$873United Airlines
Fri, Aug 14 - Sat, Aug 22
TAP AIR PORTUGAL Logo
1:31 pm - 11:40 am
BUF
-
FNC
17h 09m
2 stops
TAP AIR PORTUGAL Logo
12:40 pm - 9:10 am
FNC
-
BUF
25h 30m
2 stops
$1,362TAP AIR PORTUGAL
Booking Insights

KAYAK's insights & trends for Buffalo to Portugal flights

Get data-powered insights and trends into flights from Buffalo to Portugal to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Buffalo to Portugal?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Buffalo to Portugal, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Buffalo to Portugal is February, when tickets cost $640 (return) on average. On the other hand, the most expensive months are June and August, when the average cost of round-trip tickets is $1,371 and $1,177 respectively.

Good to know

Low seasonAugust
Cheapest flight$374
Best time to beat the crowds but there is an average 26% increase in price.
Most popular time to fly with an average 3% increase in price.
Flight from Buffalo to Lisbon

FAQs - booking Portugal flights

  • How does KAYAK find such low prices on flights from Buffalo to Portugal?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Buffalo to Portugal.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Buffalo to Portugal?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Buffalo to Portugal is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Buffalo to Portugal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Buffalo to Portugal with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Buffalo to Portugal?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Buffalo to Portugal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Buffalo to Portugal

 
Need help choosing which airline to fly with from Buffalo to Portugal? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9493 reviews
7.1Entertainment
6.6Food
8.1Crew
7.7Boarding
7.3Comfort
Airline reviews

They promise free wi-fi prior to boarding and then once on board you are informed you have to purchase wifi even after being a mileagePlus member.

4.0 OkaySasha, Mar 2026
EWR - CLT
Read more United Airlines reviews

They promise free wi-fi prior to boarding and then once on board you are informed you have to purchase wifi even after being a mileagePlus member.

I've been flying American mostly, and it's been very frustrating. This united flight makes me realize maybe the issue isn't flying, but the airline. United was a significantly better experience. The plane was more comfortable, with a normal amount of leg room (vs the ridiculous reductions AA has made), more comfortable seats, screens to watch movies. It was a much better experience!

Awful. No counter attendants. No dinner offered due to delays.

Horrible service no Wi-Fi connection on both leg of the flight and they are refusing to fix bad service

3 hour delay…. Nearly 2 hours sitting on tarmac. Do better, United. Or at least have the sense to not say “we hope you enjoyed your flight with us” upon disembarking.

Flights were on time. Free Wifi on plane. Everything was well organized.

During landing. 2 crew members passed 3 times by my lane and didn't notice that people in front of us had their site to the furthermore reclined... That was uncomfortable and could have been dangerous.

They delayed the flight from 9:00 to 11:55 At 11:45 they canceled the flight. I paid a premium price for the tickets with poor service

We had excellent customer service despite the chaos at George Bush airport in Houston!

It isvvery small flight. No leg room . No space to put my personal item at feet.

Departed late. Flight crew some of the most professional I have ever experienced. First time we’ve flown this airline

No difference between business class and normal same seat everything same, waste of money

They allowed me to book the flight, which took quite an effort to find the best option for us, and then 2 months later, cancelled it because they didn't think 90 minutes was enough time to get between connections. Why let me book the flight in the first place? I am somewhat disappointed in Kayak and will be choosing other options in the future

Absolutely unacceptable level of service for a Business class: lousy drink and food options, disgusting food (inedible meat, watery rice, etc...), pathetic level of attentiveness from staff, Business class restrooms were not accessible for long periods because blocked of by staff...overall extremely disappointing, will NEVER fly Business on TAP again.

Should really consider a better, smother boarding. Stood in tunnel for 20 plus minutes. Should start from back passengers of plane. Not front.

The plane was small and one felt the turbulence much more. The lines to get through immigration were insanely long.

First time flying Business with Tap, I think it was a very good experience. It beats many domestic US carriers, the food options were really great, authentic Portuguese food, wines & deserts. Next time will do the free 24-48 hour stopover in Lisbon or Porto for sure.

We upgraded to business class. Nice seat with lots of room but otherwise not impressive.

Delayed departure Madrid to Lisboa and my luggage no arrived

this flight was awful from pre-boarding to on the plane. There needs to be more coordination between TAP and My Way. We were in first class and I am handicapped. BY the time we got on the plane there was no place for our baggage and the crew did not handle the situation well. They gave us an argument and said that we'd have to have it checked. Then, after I complained they moved some people's bags to put our small carry ons several seats back of our seats which were in Row 4.

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

Information on your arrival and departure airports