BUF - SJO

$110 Find Cheap Flights from Buffalo to San José

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 San José departing on 2/21. 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

KAYAK searches hundreds of travel sites at once for deals on flights to San José

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Buffalo to San José, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Buffalo to San José, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$252
Overall average: $585
American Airlines
Mon 2/23Mon 3/2
BUF - SJO • 1 stop
Cheapest one-way
$110
Typical prices: $237-$319
American Airlines
Sat 2/21
BUF - SJO • 1 stop
Top airlines
American Airlines
Cheapest • from $252 (round-trip)
Southwest
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to travel
September
Cheapest • 39% price drop
January
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to San José!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Buffalo to San José (BUF-SJO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Buffalo to San José 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 San José

Mon, Feb 23 - Mon, Mar 2
American Airlines Logo
11:39 am - 8:02 pmBUF-SJO
9h 23m1 stop
American Airlines Logo
3:40 pm - 10:42 amSJO-BUF
18h 02m1 stop
$252American Airlines
Find Deal
Tue, Jan 20 - Fri, Jan 23
American Airlines Logo
6:32 pm - 12:34 pmBUF-SJO
19h 02m2 stops
American Airlines Logo
1:38 pm - 11:41 pmSJO-BUF
9h 03m1 stop
$256American Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
JetBlue Logo
6:35 am - 12:31 pmBUF-SJO
6h 56m1 stop
JetBlue Logo
10:00 am - 11:51 pmSJO-BUF
12h 51m1 stop
$289JetBlue
Find Deal
Fri, Feb 13 - Sun, Feb 22
Delta Logo
7:00 am - 7:00 amBUF-SJO
25h 00m2 stops
Delta Logo
7:00 am - 5:35 pmSJO-BUF
9h 35m1 stop
$300Delta
Find Deal
Tue, Mar 10 - Tue, Mar 17
JetBlue Logo
6:00 am - 11:55 amBUF-SJO
7h 55m1 stop
JetBlue Logo
1:00 pm - 11:51 pmSJO-BUF
8h 51m1 stop
$326JetBlue
Find Deal
Fri, Feb 13 - Sun, Feb 22
Delta Logo
7:00 am - 7:00 amBUF-SJO
25h 00m2 stops
Delta Logo
7:00 am - 10:37 amSJO-BUF
26h 37m2 stops
$352Delta
Find Deal
Sat, Nov 8 - Sat, Nov 15
United Airlines Logo
10:36 am - 11:25 amBUF-SJO
25h 49m2 stops
United Airlines Logo
2:20 pm - 10:03 amSJO-BUF
18h 43m2 stops
$366United Airlines
Find Deal
Sun, Mar 15 - Wed, Mar 18
United Airlines Logo
7:00 am - 11:56 amBUF-SJO
30h 56m1 stop
United Airlines Logo
5:30 am - 8:28 pmSJO-BUF
12h 58m2 stops
$405United Airlines
Find Deal
Mon, Nov 10 - Sun, Nov 16
Multiple Airlines Logo
9:53 pm - 11:39 amBUF-SJO
14h 46m1 stop
Multiple Airlines Logo
4:08 am - 9:08 pmSJO-BUF
16h 00m2 stops
$413Multiple Airlines
Find Deal
Tue, Nov 25 - Tue, Dec 2
Multiple Airlines Logo
6:37 pm - 10:19 amBUF-SJO
16h 42m1 stop
Multiple Airlines Logo
8:05 pm - 8:50 amSJO-BUF
35h 45m2 stops
$423Multiple Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Buffalo to San José flights

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

What’s the cheapest day of the week to fly from Buffalo to San José?

The average price of all round-trip flights from Buffalo to San José clicked on KAYAK for each day over the last 12 months.

For Buffalo to San José, Tuesday is the cheapest day to fly on average and Friday is the most expensive. Flying from San José back to Buffalo, the best deals are generally found on Thursday, with Monday being the most expensive.

What is the cheapest month to fly from Buffalo to San José?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Buffalo to San José, 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 San José is September, where tickets cost $377 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is $951 and $814 respectively.

How far in advance should I book a flight from Buffalo to San José?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Buffalo to San José, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Buffalo to San José, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Good to know

Low seasonSeptember
Cheapest flight$110
Best time to beat the crowds with an average 40% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Buffalo to San José

When to book flights from Buffalo to San José

Are your dates flexible? Find out the best times to travel from Buffalo to San José based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Buffalo to San José

  • What is the cheapest flight from Buffalo to San José?

    In the last 3 days, the lowest price for a flight from Buffalo to San José was $110 for a one-way ticket and $252 for a round-trip.

  • Do I need a passport to fly between Buffalo and San José?

    Yes

  • Which airports will I be using when flying from Buffalo to San José?

    Buffalo airport is called Buffalo and the only airport in San José is San José Juan Santamaria Intl.

  • Which aircraft models fly most regularly from Buffalo to San José?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Buffalo to San José?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Buffalo and San José, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Buffalo to San José, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Buffalo to San José are Southwest and Delta. With an average price for the route of $789 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $551 and an overall rating of 7.9.

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

    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 San José.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San José from Buffalo 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 San José?

    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 to San José with an airline and back to Buffalo with another airline. Booking your flights between Buffalo and SJO can sometimes prove cheaper using this method.

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

    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 to San José from Buffalo up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines serving from Buffalo to San José

 
See real verified KAYAK customer reviews for airlines flying from Buffalo to San José. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Buffalo to San José? 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.
8.0
SouthwestOverall score based on 4235 reviews
7.0Food
8.0Comfort
8.1Boarding
8.6Crew
7.5Entertainment
Airline reviews

Flight was delayed due to plane not passing inspection And one of the crew had to time out and we had to wait for another one A 3 hour delay

4.0 OkayAnnette, Oct 2025LGA - MCI
Read more Southwest reviews

Flight was delayed due to plane not passing inspection And one of the crew had to time out and we had to wait for another one A 3 hour delay

mandatory demand customer to check their carry on because not enough people check bags.

Connecting flight is on time and boarding was a breeze!

Excellent. Would encourage Southwest to keep current boarding procedures with free style seating. Makes for a fantastic experience

As always, the entire Southwest experience was perfect. Purchasing the tickets on the Southwest web site was effortless, departure and arrival gates were spotless and comfortable, plane was clean and comfortable, crew was excellent and flight was on time. Wheelchair service in Las Vegas at departure was somewhat chaotic and disjointed, but I am not sure if that was Southwest problem, airport problem or combination.

I wish they had movie screens in the headrests. The seats are much improved, more legroom and recently renovated. Bathroom was clean. Staff was outstanding!!

As always, the entire Southwest experience was wonderful, from online booking to flight to baggage retrieval. Very grateful.

The weather could have been better. There was a 40 minute ATC delay in SFO because of marine fog and a micro cell storm delayed landing and take-off at Nashville. The gate was changed 5 minutes from boarding from gate B3 to gate C23 at Nashville airport.

After being assaulted by a flight attendant I was then brushed off as oh well because he long braids didn’t mean to whip me in the eye. I have filed complaints and will see. But like any other issue I’ve had with kayak involved it’s been trash. Last time I’ll be using your app

AC sub par. WiFi not working correctly. Ac sucked. Seats very narrow.

The flight was great. The gate location was way to far away!!!

This route with Delta always has delays or is cancelled. Aircrafts seem smaller and older. I fly Delta quite a bit - haven’t had issues with the international flights. But this route has always been the troublesome one

Three seats in first class were broken and while they were able to still acommodate us it was looking very touch and go and they had others they could not acommodate

I believe that a four-hour trip should have a meal. Delta had none.

Was charged for my luggage despite having been on one ticket from an international flight. Too tired to argue after 15 hours on flight. Was charged for rechecking it at JFK airport. Not sure why those off Kenya Airways were required to do that.

My experience on any Delta flight is always overshadowed by the time Delta removed me from a flight for no apparent reason.

Flight was canceled, and no effort was made to help with rebooking, no hotel vouchers, no car transportation and minimal food voucher and most places for food were closed by the time the voucher was given. Waited for 3 hours for bags. Simply the worst travel experience I have ever had

At first, we were on the runway for about an hour, literally. The Captain did explain that the Control Tower just had a change shift (sounds like an unrealistic excuse) and then that we had to change a runway. A regular economy seat is made for 12 yo twiggy. I understand Delta wants to push for an upgrade, but after sitting in a Comfort seat and in First class. I would say First class is not worthy of my money. The landing was delayed because of the weather in NYC, I don't hold that against Delta, of course. The Captain did alert us to that upon takeoff in Vegas and again as we reached NY.

Not a "Delta" issue, but a JFK issue: We booked a connecting flight with 3 1/2 hours between to clearn immigration and customs. Our inbound flight (BCN to JFK) was on the taxiway 45 minutes which ate into our layover time. Immigtration was insanely quick with the CBP MPC app; however, clearing TSA (again, after we were ALREADY cleared in Spain on the inbound international flight) took over 95 minutes. This left us with 10 minutes before boarding the connecting flight (JFK to SAN) to walk to the far end of Terminal 4 and try to find food. We didn't find any food that could promise to serve us in under 10 minutes so we boarded the Delta flight after coming off a plance and an 8-hour flight knowing that we wouldn't be served any food on the next 5 1/2 hour flight. I feel like Delta needs to put pressure on the JFK TSA to open more screening stations (by our count, we saw only 5 scanners open and a line of - as we said - over 90 minutes. The insult is that we WERE ALREADY SCREENED through TSA, but as you come off one flight into the USA, you have to go through the whole process again. It seems like if you have a connecting flight, there should be a way to pass through immigration and customs without needing to return through TSA.

Overall, aside from the baggage issue, it was as good as one expects.

Crew seemed a bit cranky. No seatback screens. But boarding was efficient and on time and we arrived early.

The worst landing I have ever had on a domestic flight. Thought we would lose the landing gear on landing in Newark. Then we spent 40 minutes trying to position the plane in the right place to be able to get the jet way to the plane. The plane arrived stopped. The announcer was that we were there. Everybody got up, then we were told to sit back down because they had to have us towed to a different position. We got towed and then everyone stood up and they told us we were in the wrong position to sit back down again, and then we got towed to a different position This did not happen immediately. It was 30 minutes while we wandered around a small section of the tarmac in Newark close to the gate, but apparently not close enough. Horrifying experience The CAB should be investigating that flight

Food was poorly timed and not good.. Hand held snacks, really. I kept asking for water and never got any. Service was rushed for a 7-hour flight.

Boarding was organized. Old plane. Seat fairly comfortable. Business Class much too large so you don’t receive as much attention as you should considering what you pay for the seat.

Boarding was organized. Plane seats comfortable and service was attentive. Food options were good.

This was a very average flight. The seat was out of alignment so more uncomfortable than usual. The cabin felt not well maintained. But I safely got where I needed to go.

Trip was great. A wild landing in Ottawa with the wind and rain, but the pilot did a great job. Always love flying United.👍

I will never book a flight through Cheap fare. They booked me from Portland Main . And would not give me a refund, so I bought 2 tickets one for 299. From Portland Main to ORD. Then I had to buy a ticket from Oregon PDX to ORD that was another 440. So Just so you know they even told me it was there fault but no refund. Bad bussniess. I did inform United but they said they couldn't help me due to the fact I booked through Cheap Tickets. Never again. And I'm spreding the word. I let everyone know at my 50th class reunion

We were in business class. the angled seats in that class do not have a real window view & the placement of the controls are bad. But we knew that. But the food options were mediocre. The taste was fine, but the size was for a child. It’s just really feels like United is skimping on everything. Even when we were in the Polaris lounge they did not have diet sodas. They said they were out no Coke zero no Diet Coke, etc. I do not think the portion of nuts they serve on the plane could get any smaller. Really a minimal service and offer for what you’re paying for in business.

The internet service I paid for didn’t work at all and the flight crew was not very friendly.

Food should be better quality. Video screens have poor resolution and the library of movies is poor. The other airlines are much better.

They only offered water for Group 6. Awful announcements from the Crew. Couldn't understand a single word. Barely came by for the trash afterwards. Man, I love water for a premium flight. Wow. Water in a cup.

Great. Quick and quiet and east. The breakfast choices were a welcome surprise!

We arrived 4 hours early and still almost missed the flight because they weren’t able to access one of the boarding tickets. They then sent hour bags late and we were all of our without clothing and eventually had to take an expensive cab back and forth to the airport as they wouldn’t deliver the bag which arrived late at night that day and we would have to wait until noon the began day (messing up a second day of plans). Also, all the food has dairy or pork. No vegan or even vegetarian option in the flight—even for purchase.

The comfort of the seats was great, the crew eased my child’s anxieties and the fact that I had full cans of my beverage choice was great.

Pathetic check in experience at JFK. Everything is self check in. Not enough staff present to help with when the check in process or the kiosk gets stuck. Staff present not welcoming or pleasant at all. On the other hand the NY based flight crew was great. Courteous and friendly throughout the flight. Special meals leave a lot to be desired. Kids meals should be made available when kids are flying and same goes for special kids meals too.

Waited on the runway for takeoff for 2.5 hours. Air traffic rerouted us. The plane didn't have enough fuel, so had to go back to the gate. Had to wait for a new pilot. Should have landed at 5:22. Didn't land until 9:10. Trash flight.

There were five broken seats on the plane. The crew was very rude in telling people they had to get off the plane and get a flight the next day. No call for volunteers, but telling people they had to get off. One woman was flying with her elderly mother and daughter and was told she had to leave or all three had to leave. Fortunately, a volunteer offered to stay. The situation was handled poorly.

Delays on all NY flights. There was no communication on why but they didn’t say it was weather. Other carriers were not delayed.

Extraordinary service in business class, and very good breakfast and snacks. A really lovely flight.

Plane was in bad shape. TV’s and WiFi didn’t work. Plane need a refresh. Not enough room for bags.

Everything was great. I liked the text updates so that I never miss a gate change & I have all the latest info.

No internet on a flight over three hours in this age is criminal. Staff inattentive and dismissive

Worst flight experience ever flights canceled. JetBlue told us just did not even bother standing in line to come back in one and a half hours then without any information we had to go pick up all of our luggage and spend over $2000 in accommodation just to get home. JetBlue said that the next flight available for us to get home would be three days later. Absolutely absurd hasn’t offered to give us any compensation do not fly JetBlue horrible company. They said it was based on the weather and the weather is great in all locations that we would’ve been flying to total hoax. I think it’s a conspiracy theory.

flight was delayed for hours with no explanation. The plane was a very old aircraft.

Communication since no reason or explanation was given for 3 hrs delay

The flight departed more than 1 hour late. Leg room is bigger than most airlines

Excellent. Although they used to greet me as a mosaic member and provide a free drink, early boarding helps me to keep coming back to JetBlue.

No music app working: no economy meal on five hour flight; hour on tarmac at the end waiting for a gate. Flight itself was smooth and easy.

Communication with the customer and stay is important. Staff off with a minor inconvenience but it worked out of course. Also this was a very old Mint Class plane. They snuck this one in on us. The updated aircraft are much better.

Everything you need to know for your flight from Buffalo to San José

Information on your arrival and departure airports

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