Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Buffalo to San José from $399

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to San José departing on 8/18. 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 San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:59 pm - 12:03 pm
BUF
-
SJO
19h 04m
2 stops
American Airlines Logo
2:56 pm - 12:06 pm
SJO
-
BUF
19h 10m
2 stops
$399American Airlines
mar., août 18 - mer., août 26
American Airlines Logo
6:59 pm - 12:03 pm
BUF
-
SJO
19h 04m
2 stops
American Airlines Logo
1:29 pm - 6:02 pm
SJO
-
BUF
26h 33m
1 stop
$439American Airlines
mar., août 18 - ven., août 28
American Airlines Logo
4:49 pm - 12:26 pm
BUF
-
SJO
21h 37m
1 stop
American Airlines Logo
1:03 pm - 12:06 pm
SJO
-
BUF
21h 03m
2 stops
$443American Airlines
mer., août 12 - mar., août 25
American Airlines Logo
5:00 am - 7:52 pm
BUF
-
SJO
16h 52m
2 stops
American Airlines Logo
1:29 pm - 6:02 pm
SJO
-
BUF
26h 33m
1 stop
$444American Airlines
mar., août 18 - ven., août 28
American Airlines Logo
6:59 pm - 12:26 pm
BUF
-
SJO
19h 27m
1 stop
American Airlines Logo
1:03 pm - 12:06 pm
SJO
-
BUF
21h 03m
2 stops
$471American Airlines
mer., août 12 - mar., août 25
American Airlines Logo
7:00 am - 1:52 pm
BUF
-
SJO
8h 52m
1 stop
American Airlines Logo
2:56 pm - 12:06 pm
SJO
-
BUF
19h 10m
2 stops
$474American Airlines
mar., août 18 - mer., août 26
Frontier Logo
7:57 pm - 8:20 am
BUF
-
SJO
14h 23m
1 stop
Frontier Logo
9:35 am - 10:29 am
SJO
-
BUF
46h 54m
2 stops
$505Frontier
mer., août 5 - dim., août 9
American Airlines Logo
7:00 am - 1:52 pm
BUF
-
SJO
8h 52m
1 stop
American Airlines Logo
1:29 pm - 6:02 pm
SJO
-
BUF
26h 33m
1 stop
$509American Airlines
mar., août 18 - ven., août 28
American Airlines Logo
4:49 pm - 12:26 pm
BUF
-
SJO
21h 37m
1 stop
American Airlines Logo
1:03 pm - 12:06 pm
SJO
-
BUF
21h 03m
2 stops
$515American Airlines
mer., août 12 - mar., août 25
Multiple Airlines Logo
7:57 pm - 8:20 am
BUF
-
SJO
14h 23m
1 stop
Multiple Airlines Logo
4:35 pm - 7:36 pm
SJO
-
BUF
25h 01m
2 stops
$524Multiple Airlines
mer., août 5 - dim., août 9

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

American Airlines flights from Buffalo to San José

Our best American Airlines deals on Buffalo to San José flight tickets
American Airlines
Aug 18
BUF6:59 pmBuffalo
19h 04m
2 stops
SJO12:03 pmSan José Juan Santamaria Intl
Aug 26
SJO2:56 pmSan José Juan Santamaria Intl
19h 10m
2 stops
BUF12:06 pmBuffalo
$399
American Airlines
Aug 18
BUF6:59 pmBuffalo
19h 04m
2 stops
SJO12:03 pmSan José Juan Santamaria Intl
Aug 28
SJO1:29 pmSan José Juan Santamaria Intl
26h 33m
1 stop
BUF6:02 pmBuffalo
$439
American Airlines
Aug 12
BUF4:49 pmBuffalo
21h 37m
1 stop
SJO12:26 pmSan José Juan Santamaria Intl
Aug 25
SJO1:03 pmSan José Juan Santamaria Intl
21h 03m
2 stops
BUF12:06 pmBuffalo
$443

United Airlines flights from Buffalo to San José

Our best United Airlines deals on Buffalo to San José flight tickets
United Airlines
Sep 16
BUF7:00 amBuffalo
14h 37m
2 stops
SJO7:37 pmSan José Juan Santamaria Intl
Sep 21
SJO1:25 pmSan José Juan Santamaria Intl
18h 03m
2 stops
BUF9:28 amBuffalo
$529
United Airlines
Jul 1
BUF7:06 amBuffalo
29h 05m
2 stops
SJO10:11 amSan José Juan Santamaria Intl
Jul 30
SJO12:30 amSan José Juan Santamaria Intl
38h 11m
2 stops
BUF4:41 pmBuffalo
$602
United Airlines
Jul 1
BUF6:00 amBuffalo
18h 39m
2 stops
SJO10:39 pmSan José Juan Santamaria Intl
Jul 30
SJO12:30 amSan José Juan Santamaria Intl
38h 11m
2 stops
BUF4:41 pmBuffalo
$616

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to San José 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 juin 30, 2026.
Use the filters below to find and compare flights from Buffalo to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

mar. 8/18

6:59 pm-12:03 pm

2 stops19h 04m

San José Juan Santamaria Intl

mer. 8/26

2:56 pm-12:06 pm

2 stops19h 10m

$399

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

mar. 8/18

6:59 pm-12:03 pm

2 stops19h 04m

San José Juan Santamaria Intl

ven. 8/28

1:29 pm-6:02 pm

1 stop26h 33m

$439

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

mer. 8/12

4:49 pm-12:26 pm

1 stop21h 37m

San José Juan Santamaria Intl

mar. 8/25

1:03 pm-12:06 pm

2 stops21h 03m

$443

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

mar. 8/18

5:00 am-7:52 pm

2 stops16h 52m

San José Juan Santamaria Intl

ven. 8/28

1:29 pm-6:02 pm

1 stop26h 33m

$444

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

mer. 8/12

6:59 pm-12:26 pm

1 stop19h 27m

San José Juan Santamaria Intl

mar. 8/25

1:03 pm-12:06 pm

2 stops21h 03m

$471
Quickest round-trip

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

mar. 8/18

7:00 am-1:52 pm

1 stop8h 52m

San José Juan Santamaria Intl

mer. 8/26

2:56 pm-12:06 pm

2 stops19h 10m

$474

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

mer. 8/5

7:57 pm-8:20 am

1 stop14h 23m

San José Juan Santamaria Intl

dim. 8/9

9:35 am-10:29 am

2 stops46h 54m

$505

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

mar. 8/18

7:00 am-1:52 pm

1 stop8h 52m

San José Juan Santamaria Intl

ven. 8/28

1:29 pm-6:02 pm

1 stop26h 33m

$509

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

mer. 8/12

4:49 pm-12:26 pm

1 stop21h 37m

San José Juan Santamaria Intl

mar. 8/25

1:03 pm-12:06 pm

2 stops21h 03m

$515

BuffaloSan José

BUF - SJO

BUFSJO

Buffalo

mer. 8/5

7:57 pm-8:20 am

1 stop14h 23m

San José Juan Santamaria Intl

dim. 8/9

4:35 pm-7:36 pm

2 stops25h 01m

$524

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

See travel insights to San José from

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

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 typical price of a round-trip flight between Buffalo and San José?

What is the cheapest month to fly to San José?

In general, September is the cheapest month to fly from Buffalo to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $344. If you don’t want to visit San José in September, then you should wait until November to fly from Buffalo, when ticket prices are also cheap, with an average price of $361.

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

You could potentially save up to 47% on your flight if you consider stops on a Buffalo to San José flight.

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

As of June 2026, prices for Buffalo to San José flights are approximately 25% cheaper when compared to flights at the same time last year.

When to book flights from Buffalo to San José

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

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

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

Fastest flight time

8h 00m

Direct flights

None
The fastest flight from Buffalo to San José takes 8h 00m
There are no direct flights from Buffalo to San José. There are no popular flight routes from Buffalo to San José.
Search flight deals

Frequently asked questions about flying from Buffalo to San José

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

    Buffalo and San José Juan Santamaria Intl are 2297.0 mi apart from one another. Flights usually cover this in 8h 00m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Buffalo Airport to San José Juan Santamaria Intl Airport are updated daily.

  • How many operators does momondo search for flights from Buffalo Airport to San José Juan Santamaria Intl Airport?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to San José Juan Santamaria Intl Airport.

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The required travel and health documents for your San José Juan Santamaria Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San José Juan Santamaria Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Buffalo to San José?

Best airlines flying from Buffalo to San José

Compare and see reviews for airlines that fly from Buffalo to San José with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $251Free CancellationRating
7.1
3,012 reviews
Search JetBlue flights
American AirlinesPriceFrom $259Free CancellationRating
7.1
11,762 reviews
Search American Airlines flights
DeltaPriceFrom $305Free CancellationRating
7.8
8,451 reviews
Search Delta flights
United AirlinesPriceFrom $369Free CancellationRating
7.4
9,904 reviews
Search United Airlines flights
SouthwestPriceFrom $470Free CancellationRating
7.9
4,247 reviews
Search Southwest flights

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Jacó
Monteverde
Alajuela
Heredia
Santa Elena
Dominical
San Gerardo de Dota
Esterillos Este

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Buffalo to San José. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Buffalo to San José 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 San José?

momondo provides multiple filters to help you find the best flight to San José from Buffalo. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

An easier way to manage your San José trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
jeu. 7/30
jeu. 8/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Costa Rica