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Cheap flights from San José to Buffalo from $145

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San José to Buffalo departing on 12/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines Logo
3:06 pm - 12:07 amSJO-BUF
8h 01m1 stop
American Airlines Logo
11:31 am - 10:28 pmBUF-SJO
11h 57m1 stop
$248American Airlines
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Thu, Dec 4 - Sun, Dec 7
American Airlines Logo
7:00 am - 11:39 pmSJO-BUF
15h 39m2 stops
American Airlines Logo
2:50 pm - 10:28 pmBUF-SJO
8h 38m1 stop
$253American Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 7
Multiple Airlines Logo
11:24 am - 10:45 amSJO-BUF
22h 21m1 stop
Multiple Airlines Logo
11:57 am - 10:19 amBUF-SJO
23h 22m1 stop
$342Multiple Airlines
Find Deal
Wed, Nov 26 - Mon, Dec 1
Multiple Airlines Logo
11:24 am - 10:45 amSJO-BUF
22h 21m1 stop
Multiple Airlines Logo
11:57 am - 12:15 pmBUF-SJO
25h 18m2 stops
$373Multiple Airlines
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Wed, Nov 26 - Mon, Dec 1
United Airlines Logo
2:30 pm - 10:03 amSJO-BUF
18h 33m2 stops
United Airlines Logo
1:52 pm - 11:25 amBUF-SJO
22h 33m2 stops
$429United Airlines
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Sat, Nov 8 - Thu, Nov 20
United Airlines Logo
12:35 pm - 10:03 amSJO-BUF
20h 28m2 stops
United Airlines Logo
7:30 pm - 11:25 amBUF-SJO
16h 55m2 stops
$503United Airlines
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Sun, Nov 9 - Thu, Nov 20
Southwest Logo
9:00 am - 12:05 amSJO-BUF
14h 05m2 stops
Southwest Logo
5:30 am - 8:30 pmBUF-SJO
16h 00m2 stops
$610Southwest
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Wed, Nov 26 - Mon, Dec 1
Southwest Logo
9:00 am - 12:05 amSJO-BUF
14h 05m2 stops
Southwest Logo
6:00 am - 8:30 pmBUF-SJO
15h 30m2 stops
$652Southwest
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Wed, Nov 26 - Sun, Nov 30
Copa Airlines Logo
4:08 am - 6:39 pmSJO-BUF
13h 31m2 stops
Copa Airlines Logo
7:30 pm - 9:59 amBUF-SJO
15h 29m2 stops
$1,334Copa Airlines
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Wed, Nov 26 - Sun, Nov 30
Copa Airlines Logo
4:08 am - 7:04 pmSJO-BUF
13h 56m2 stops
Copa Airlines Logo
10:10 am - 8:19 amBUF-SJO
23h 09m2 stops
$1,945Copa Airlines
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Wed, Dec 3 - Sun, Dec 7

American Airlines flights from San José to Buffalo

Our best American Airlines deals on San José to Buffalo flight tickets
American Airlines
Dec 4
SJO3:06 pmSan José Juan Santamaria Intl
8h 01m
1 stop
BUF12:07 amBuffalo
Dec 7
BUF11:31 amBuffalo
11h 57m
1 stop
SJO10:28 pmSan José Juan Santamaria Intl
$248
Find similar
American Airlines
Dec 4
SJO7:00 amSan José Juan Santamaria Intl
15h 39m
2 stops
BUF11:39 pmBuffalo
Dec 7
BUF2:50 pmBuffalo
8h 38m
1 stop
SJO10:28 pmSan José Juan Santamaria Intl
$253
Find similar
American Airlines
Dec 4
SJO7:00 amSan José Juan Santamaria Intl
15h 39m
2 stops
BUF11:39 pmBuffalo
Dec 7
BUF11:54 amBuffalo
11h 34m
2 stops
SJO10:28 pmSan José Juan Santamaria Intl
$343
Find similar

United Airlines flights from San José to Buffalo

Our best United Airlines deals on San José to Buffalo flight tickets
United Airlines
Nov 8
SJO2:30 pmSan José Juan Santamaria Intl
18h 33m
2 stops
BUF10:03 amBuffalo
Nov 20
BUF1:52 pmBuffalo
22h 33m
2 stops
SJO11:25 amSan José Juan Santamaria Intl
$429
Find similar
United Airlines
Nov 9
SJO12:35 pmSan José Juan Santamaria Intl
20h 28m
2 stops
BUF10:03 amBuffalo
Nov 20
BUF7:30 pmBuffalo
16h 55m
2 stops
SJO11:25 amSan José Juan Santamaria Intl
$503
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San José to Buffalo 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 October 26, 2025.
Use the filters below to find and compare flights from San José to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Thu 12/4

3:06 pm-12:07 am

1 stop8h 01m

Buffalo

Sun 12/7

11:31 am-10:28 pm

1 stop11h 57m

$248

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Thu 12/4

7:00 am-11:39 pm

2 stops15h 39m

Buffalo

Sun 12/7

2:50 pm-10:28 pm

1 stop8h 38m

$253

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Wed 11/26

11:24 am-10:45 am

1 stop22h 21m

Buffalo

Mon 12/1

11:57 am-10:19 am

1 stop23h 22m

$342

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Wed 11/26

11:24 am-10:45 am

1 stop22h 21m

Buffalo

Mon 12/1

11:57 am-12:15 pm

2 stops25h 18m

$373

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Sat 11/8

2:30 pm-10:03 am

2 stops18h 33m

Buffalo

Thu 11/20

1:52 pm-11:25 am

2 stops22h 33m

$429

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Sun 11/9

12:35 pm-10:03 am

2 stops20h 28m

Buffalo

Thu 11/20

7:30 pm-11:25 am

2 stops16h 55m

$503

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Wed 11/26

9:00 am-12:05 am

2 stops14h 05m

Buffalo

Mon 12/1

5:30 am-8:30 pm

2 stops16h 00m

$610

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Wed 11/26

9:00 am-12:05 am

2 stops14h 05m

Buffalo

Sun 11/30

6:00 am-8:30 pm

2 stops15h 30m

$652

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Wed 11/26

4:08 am-6:39 pm

2 stops13h 31m

Buffalo

Sun 11/30

7:30 pm-9:59 am

2 stops15h 29m

$1,334

San JoséBuffalo

SJO - BUF

SJOBUF

San José Juan Santamaria Intl

Wed 12/3

4:08 am-7:04 pm

2 stops13h 56m

Buffalo

Sun 12/7

10:10 am-8:19 am

2 stops23h 09m

$1,945

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 Buffalo from

How to get the cheapest flight ticket from San José to Buffalo

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 Buffalo?

If you aren’t able to travel during the month of October, then book flights to Buffalo from San José during August instead. Flights to Buffalo in August, while not as cheap as those in October, still average around $400.

What is the cheapest day to depart on your flight to Buffalo?

Our data shows that Thursday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $447. Flights from San José to Buffalo on a Monday will generally be more expensive and average around $625. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Buffalo?

In the morning is the cheapest time of day to fly from San José to Buffalo when you can find flight prices for as low as $444. Flying to Buffalo in the morning is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Buffalo, so prices are often more expensive at around $502 per ticket.

Can stopping save me money on San José to Buffalo flights?

You could potentially save up to 46% on your flight if you consider stops on a San José to Buffalo flight.

How have San José to Buffalo flight prices changed over time?

When to book flights from San José to Buffalo

Are you open to changing your travel dates? Check out the ideal times to fly from San José to Buffalo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San José to Buffalo (SJO to BUF) flight deals and tips

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

Direct flights

None
There are no direct flights from San José to Buffalo. There are no popular flight routes from San José to Buffalo.
Search flight deals

  • How far is San José Juan Santamaria Intl to Buffalo by plane?

    The distance between San José Juan Santamaria Intl and Buffalo is about 2297.0 mi. By plane, this route typically takes 8h 01m.

  • When did momondo last update prices for flights from San José Juan Santamaria Intl Airport to Buffalo Airport?

    Prices for flights from San José Juan Santamaria Intl Airport to Buffalo Airport are refreshed on a daily basis.

  • How old do you have to be to fly from San José Juan Santamaria Intl Airport to Buffalo Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San José Juan Santamaria Intl Airport to Buffalo Airport.

  • What documentation or ID do you need to fly to Buffalo Airport?

    The travel and health documents you'll need for your trip to Buffalo Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buffalo Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Cheektowaga
Amherst
Tonawanda
Grand Island
Williamsville
Orchard Park
Lockport
West Seneca
East Aurora
Bowmansville
Eden
Angola

Why use momondo?

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

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 Buffalo from San José.

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

Yes. momondo allows you to filter the results for San José to Buffalo flights to just show those with flexible booking policies.

How can momondo help me find flights from San José to Buffalo?

Once you have performed a search for San José to Buffalo 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 San José to Buffalo right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Buffalo, momondo offers a useful price alert feature which will track prices for flights to Buffalo from San José and alert you when they change.

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