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Cheap flights from San Juan Luis Munoz Marin Intl Airport to Buffalo from $91

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 Juan Luis Munoz Marin Intl Airport to Buffalo departing on 2/5. 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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0 bags

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Find the cheapest flights from San Juan Luis Munoz Marin Intl Airport to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:00 am - 7:04 pm
SJU
-
BUF
12h 04m1 stop
Frontier Logo
11:02 am - 1:08 am
BUF
-
SJU
13h 06m1 stop
$217Frontier
Thu, Jan 29 - Sun, Feb 1
JetBlue Logo
5:01 am - 2:02 pm
SJU
-
BUF
10h 01m1 stop
JetBlue Logo
5:20 pm - 2:42 am
BUF
-
SJU
8h 22m1 stop
$228JetBlue
Sat, Feb 14 - Wed, Feb 18
JetBlue Logo
1:00 pm - 7:37 pm
SJU
-
BUF
6h 37m1 stop
JetBlue Logo
7:20 am - 11:35 am
BUF
-
SJU
4h 15mnonstop
$229JetBlue
Thu, Apr 2 - Fri, Apr 10
Multiple Airlines Logo
11:59 pm - 9:35 am
SJU
-
BUF
10h 36m1 stop
Multiple Airlines Logo
5:05 pm - 2:25 am
BUF
-
SJU
8h 20m1 stop
$232Multiple Airlines
Wed, Feb 25 - Fri, Feb 27
Multiple Airlines Logo
2:20 pm - 11:47 pm
SJU
-
BUF
10h 27m1 stop
Multiple Airlines Logo
7:17 pm - 9:54 am
BUF
-
SJU
13h 37m1 stop
$235Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
American Airlines Logo
6:00 am - 4:57 pm
SJU
-
BUF
11h 57m2 stops
American Airlines Logo
7:00 am - 8:50 pm
BUF
-
SJU
12h 50m1 stop
$236American Airlines
Wed, Feb 4 - Sun, Feb 8
American Airlines Logo
1:58 pm - 11:42 pm
SJU
-
BUF
10h 44m2 stops
American Airlines Logo
6:05 am - 6:22 pm
BUF
-
SJU
11h 17m2 stops
$239American Airlines
Thu, Feb 5 - Sun, Feb 8
Frontier Logo
3:53 am - 11:34 am
SJU
-
BUF
8h 41m1 stop
Frontier Logo
4:45 pm - 2:25 am
BUF
-
SJU
8h 40m1 stop
$244Frontier
Wed, Feb 11 - Mon, Feb 16
Delta Logo
7:00 am - 2:58 pm
SJU
-
BUF
8h 58m1 stop
Delta Logo
3:43 pm - 11:57 pm
BUF
-
SJU
7h 14m1 stop
$246Delta
Wed, Jan 28 - Sat, Jan 31
JetBlue Logo
11:59 pm - 9:00 am
SJU
-
BUF
9h 01m1 stop
JetBlue Logo
7:39 pm - 2:07 am
BUF
-
SJU
6h 28m1 stop
$248JetBlue
Sat, May 9 - Sat, May 16

JetBlue flights from San Juan Luis Munoz Marin Intl Airport to Buffalo

Our best JetBlue deals on San Juan Luis Munoz Marin Intl Airport to Buffalo flight tickets
JetBlue
Feb 14
SJU5:01 amSan Juan Luis Munoz Marin Intl
10h 01m
1 stop
BUF2:02 pmBuffalo
Feb 18
BUF5:20 pmBuffalo
8h 22m
1 stop
SJU2:42 amSan Juan Luis Munoz Marin Intl
$228
Find similar
JetBlue
Apr 2
SJU1:00 pmSan Juan Luis Munoz Marin Intl
6h 37m
1 stop
BUF7:37 pmBuffalo
Apr 10
BUF7:20 amBuffalo
4h 15m
SJU11:35 amSan Juan Luis Munoz Marin Intl
$229
Find similar
JetBlue
May 9
SJU11:59 pmSan Juan Luis Munoz Marin Intl
9h 01m
1 stop
BUF9:00 amBuffalo
May 16
BUF7:39 pmBuffalo
6h 28m
1 stop
SJU2:07 amSan Juan Luis Munoz Marin Intl
$248
Find similar

Delta flights from San Juan Luis Munoz Marin Intl Airport to Buffalo

Our best Delta deals on San Juan Luis Munoz Marin Intl Airport to Buffalo flight tickets
Delta
Jan 28
SJU7:00 amSan Juan Luis Munoz Marin Intl
8h 58m
1 stop
BUF2:58 pmBuffalo
Jan 31
BUF3:43 pmBuffalo
7h 14m
1 stop
SJU11:57 pmSan Juan Luis Munoz Marin Intl
$246
Find similar
Delta
Mar 20
SJU7:00 amSan Juan Luis Munoz Marin Intl
8h 14m
1 stop
BUF3:14 pmBuffalo
Mar 23
BUF7:00 amBuffalo
8h 57m
1 stop
SJU3:57 pmSan Juan Luis Munoz Marin Intl
$281
Find similar
Delta
Jan 8
SJU6:05 pmSan Juan Luis Munoz Marin Intl
7h 11m
1 stop
BUF12:16 amBuffalo
Jan 11
BUF7:00 amBuffalo
12h 58m
2 stops
SJU8:58 pmSan Juan Luis Munoz Marin Intl
$3,460
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Juan Luis Munoz Marin Intl Airport 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 January 6, 2026.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Thu 1/29

8:00 am-7:04 pm

1 stop12h 04m

Buffalo

Sun 2/1

11:02 am-1:08 am

1 stop13h 06m

$217

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Sat 2/14

5:01 am-2:02 pm

1 stop10h 01m

Buffalo

Wed 2/18

5:20 pm-2:42 am

1 stop8h 22m

$228

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Thu 4/2

1:00 pm-7:37 pm

1 stop6h 37m

Buffalo

Fri 4/10

7:20 am-11:35 am

Nonstop4h 15m

$229

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Wed 2/25

11:59 pm-9:35 am

1 stop10h 36m

Buffalo

Fri 2/27

5:05 pm-2:25 am

1 stop8h 20m

$232

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Tue 2/3

2:20 pm-11:47 pm

1 stop10h 27m

Buffalo

Tue 2/10

7:17 pm-9:54 am

1 stop13h 37m

$235

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Wed 2/4

6:00 am-4:57 pm

2 stops11h 57m

Buffalo

Sun 2/8

7:00 am-8:50 pm

1 stop12h 50m

$236

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Thu 2/5

1:58 pm-11:42 pm

2 stops10h 44m

Buffalo

Sun 2/8

6:05 am-6:22 pm

2 stops11h 17m

$239

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Wed 2/11

3:53 am-11:34 am

1 stop8h 41m

Buffalo

Mon 2/16

4:45 pm-2:25 am

1 stop8h 40m

$244

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Wed 1/28

7:00 am-2:58 pm

1 stop8h 58m

Buffalo

Sat 1/31

3:43 pm-11:57 pm

1 stop7h 14m

$246

San JuanBuffalo

SJU - BUF

SJUBUF

San Juan Luis Munoz Marin Intl

Sat 5/9

11:59 pm-9:00 am

1 stop9h 01m

Buffalo

Sat 5/16

7:39 pm-2:07 am

1 stop6h 28m

$248

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 Juan Luis Munoz Marin Intl Airport 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 September, then book flights to Buffalo from San Juan Luis Munoz Marin Intl Airport during February instead. Flights to Buffalo in February, while not as cheap as those in September, still average around $262.

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

You are more likely to see cheaper flights to Buffalo from San Juan Luis Munoz Marin Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Buffalo for around $334 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buffalo from San Juan Luis Munoz Marin Intl Airport for as low as $232 on momondo.

How have San Juan Luis Munoz Marin Intl Airport to Buffalo flight prices changed over time?

As of January 2026, prices for San Juan Luis Munoz Marin Intl Airport to Buffalo flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from San Juan Luis Munoz Marin Intl Airport to Buffalo

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

Cheap San Juan Luis Munoz Marin Intl Airport to Buffalo (SJU to BUF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Juan Luis Munoz Marin Intl Airport to Buffalo

Fastest flight time

4h 25m

Direct flights

Tue, Thu, Sat and Sun

Airports in Buffalo

1 airport
The fastest flight from San Juan Luis Munoz Marin Intl Airport to Buffalo takes 4h 25m
Direct flights go from San Juan Luis Munoz Marin Intl Airport to Buffalo on Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Buffalo. From San Juan Luis Munoz Marin Intl Airport there are direct flights to Buffalo (BUF).
Search flight deals

  • How far is San Juan Luis Munoz Marin Intl to Buffalo by plane?

    The distance between San Juan Luis Munoz Marin Intl and Buffalo is about 1848.0 mi. Flights usually cover this in 4h 25m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Juan Luis Munoz Marin Intl Airport to Buffalo Airport?

    Prices for flights from San Juan Luis Munoz Marin Intl Airport to Buffalo Airport were last updated today.

  • How many operators does momondo search for flights from San Juan Luis Munoz Marin Intl Airport to Buffalo Airport?

  • How old do you have to be to fly from San Juan Luis Munoz Marin Intl Airport to Buffalo Airport?

    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 San Juan Luis Munoz Marin 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.

  • What is the most popular airline from San Juan Luis Munoz Marin Intl Airport to Buffalo?

Best airlines flying from San Juan Luis Munoz Marin Intl Airport to Buffalo

Compare and see reviews for airlines that fly from San Juan Luis Munoz Marin Intl Airport to Buffalo with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $102Free CancellationRating
7.9
8,018 reviews
Search Delta flights
FrontierPriceFrom $124Free CancellationRating
5.7
3,064 reviews
Search Frontier flights
SouthwestPriceFrom $211Free CancellationRating
8.0
4,247 reviews
Search Southwest flights
American AirlinesPriceFrom $215Free CancellationRating
7.2
11,088 reviews
Search American Airlines flights
JetBluePriceFrom $264Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights

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
Bowmansville
East Aurora
Eden
Angola

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Juan to Buffalo. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Buffalo from San Juan on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buffalo from San Juan.

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

Yes. momondo can track prices for San Juan to Buffalo flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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