Cheap Flights from Buffalo, NY to San Juan from $120
On Cheapflightsplus.com you will find 33 connecting flights from Buffalo to San Juan. You can compare airfare deals from 4 airlines and multiple travel sites from $120, book and save on cheap plane tickets and last minute offers. Also check out BUF-SJU flight schedule to find best flight time, convenient departure and arrival airports.
Find One-Way and Round-Trip Buffalo to San Juan Flight Deals
To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights».
To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight.
Cheapest flights in November: $120 (one-way), $206 (round-trip).
Direct flights
Check prices for return flight
Best Flights from Buffalo to San Juan Today
Take a look at the list of non stop flights and flights with layovers from Buffalo to San Juan with the lowest price of $120. Take a look at the list of flights with layovers from Buffalo to San Juan from $120. There’re no direct flights. The fastest connecting flight – 6h 29m.
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $120 | 19:11 Buffalo Niagara | 02:34+1 день San Juan Luis Munoz Marin Intl | 7h 23m layover 1h 40m - Orlando | Frontier Airlines | F91351 F94726 |
| from $140 | 08:50 Buffalo Niagara | 08:59+1 день San Juan Luis Munoz Marin Intl | 24h 9m layover 18h 22m - Orlando | Frontier Airlines | F91691 F92250 |
| from $203 | 21:37 Buffalo Niagara | 00:32+2 дня San Juan Luis Munoz Marin Intl | 26h 55m layover 20h 58m - Orlando | Frontier Airlines | F93261 F91746 |
| from $335 | 06:00 Buffalo Niagara | 13:45 San Juan Luis Munoz Marin Intl | 7h 45m layover 2h 22m - Newark | United Airlines | UA2357 UA1556 |
| from $336 | 07:05 Buffalo Niagara | 14:44 San Juan Luis Munoz Marin Intl | 7h 39m layover 0h 49m - Chicago | United Airlines | UA329 UA1996 |
| from $337 | 11:41 Buffalo Niagara | 15:16+1 день San Juan Luis Munoz Marin Intl | 27h 35m layover 20h 6m - Minneapolis | Sun Country Airlines | SY1058 SY783 |
| from $384 | 06:00 Buffalo Niagara | 12:34 San Juan Luis Munoz Marin Intl | 6h 34m layover 1h 25m - Washington D.C. | United Airlines | UA3575 UA2021 |
| from $387 | 14:55 Buffalo Niagara | 21:24 San Juan Luis Munoz Marin Intl | 6h 29m layover 1h 12m - Washington D.C. | United Airlines | UA4291 UA2025 |
| from $387 | 06:30 Buffalo Niagara | 13:45 San Juan Luis Munoz Marin Intl | 7h 15m layover 1h 50m - Newark | United Airlines | UA4181 UA1556 |
| from $387 | 17:54 Buffalo Niagara | 23:54+2 дня San Juan Luis Munoz Marin Intl | 30h 0m layover 23h 13m - Chicago | United Airlines | UA630 UA695 |
| from $435 | 07:00 Buffalo Niagara | 23:54+1 день San Juan Luis Munoz Marin Intl | 16h 54m layover 10h 7m - Chicago | United Airlines | UA329 UA695 |
| from $463 | 06:00 Buffalo Niagara | 12:34 San Juan Luis Munoz Marin Intl | 6h 34m layover 1h 26m - Washington D.C. | United Airlines | UA4169 UA2021 |
| from $477 | 13:57 Buffalo Niagara | 23:54+1 день San Juan Luis Munoz Marin Intl | 9h 57m layover 3h 8m - Chicago | United Airlines | UA4381 UA695 |
| from $479 | 16:15 Buffalo Niagara | 23:57+1 день San Juan Luis Munoz Marin Intl | 7h 42m layover 2h 2m - Newark | United Airlines | UA4481 UA1543 |
| from $480 | 06:00 Buffalo Niagara | 12:34 San Juan Luis Munoz Marin Intl | 6h 34m layover 1h 19m - Washington D.C. | United Airlines | UA3631 UA2021 |
| from $481 | 10:50 Buffalo Niagara | 23:54+1 день San Juan Luis Munoz Marin Intl | 13h 4m layover 6h 18m - Chicago | United Airlines | UA606 UA695 |
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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on July 15, 2025
Flight Schedule Buffalo (New York) to San Juan
Full flight schedule will help you in detecting at what time planes fly from Buffalo to San Juan. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
| Departure | Arrival | Flight Details | Flight Duration | Price |
|---|---|---|---|---|
|
06:00 — 13:45
|
06:00 — 07:22
UA2357
United Airlines
Buffalo — Newark
2h 22m stop
09:44 — 13:45
UA1556
United Airlines
Newark — San Juan
|
7h 45m including layover |
Find flight
from$335 |
|
|
06:00 — 12:34
|
06:00 — 07:15
UA3575
United Airlines
Buffalo — Washington D.C.
1h 25m stop
08:40 — 12:34
UA2021
United Airlines
Washington D.C. — San Juan
|
6h 34m including layover |
Find flight
from$384 |
|
|
07:00 — 23:54
+1 day
|
07:00 — 07:56
UA329
United Airlines
Buffalo — Chicago
10h 7m stop
18:03 — 23:54
UA695
United Airlines
Chicago — San Juan
|
16h 54m including layover |
Find flight
from$435 |
|
|
07:05 — 14:44
|
07:00 — 07:56
UA329
United Airlines
Buffalo — Chicago
49m stop
08:49 — 14:44
UA1996
United Airlines
Chicago — San Juan
|
7h 39m including layover |
Find flight
from$336 |
|
|
08:50 — 08:59
+1 day
|
08:50 — 11:38
F91691
Frontier Airlines
Buffalo — Orlando
18h 22m stop
06:00 — 08:59
F92250
Frontier Airlines
Orlando — San Juan
|
24h 9m including layover |
Find flight
from$140 |
|
|
08:50 — 00:28
+1 day
|
08:50 — 11:38
F91691
Frontier Airlines
Buffalo — Orlando
9h 49m stop
21:26 — 00:32
F91746
Frontier Airlines
Orlando — San Juan
|
15h 38m including layover |
Find flight
from$147 |
|
|
10:50 — 23:54
+1 day
|
10:50 — 11:45
UA606
United Airlines
Buffalo — Chicago
6h 18m stop
18:03 — 23:54
UA695
United Airlines
Chicago — San Juan
|
13h 4m including layover |
Find flight
from$481 |
|
|
11:41 — 15:16
+1 day
|
11:41 — 12:54
SY1058
Sun Country Airlines
Buffalo — Minneapolis
20h 6m stop
09:00 — 15:16
SY783
Sun Country Airlines
Minneapolis — San Juan
|
27h 35m including layover |
Find flight
from$337 |
|
|
13:57 — 23:54
+1 day
|
13:50 — 14:49
UA4381
United Airlines
Buffalo — Chicago
3h 8m stop
14:20 — 20:55
UA695
United Airlines
Chicago — San Juan
|
9h 57m including layover |
Find flight
from$477 |
|
|
14:55 — 21:24
|
14:55 — 16:16
UA4291
United Airlines
Buffalo — Washington D.C.
1h 12m stop
17:28 — 21:24
UA2025
United Airlines
Washington D.C. — San Juan
|
6h 29m including layover |
Find flight
from$387 |
|
|
14:55 — 12:34
+1 day
|
14:55 — 16:16
UA4291
United Airlines
Buffalo — Washington D.C.
16h 24m stop
08:40 — 12:34
UA2021
United Airlines
Washington D.C. — San Juan
|
21h 39m including layover |
Find flight
from$557 |
|
|
16:15 — 23:57
+1 day
|
16:15 — 17:52
UA4481
United Airlines
Buffalo — Newark
2h 2m stop
19:54 — 23:57
UA1543
United Airlines
Newark — San Juan
|
7h 42m including layover |
Find flight
from$479 |
|
|
17:54 — 23:54
+2 days
|
17:54 — 18:50
UA630
United Airlines
Buffalo — Chicago
23h 13m stop
18:03 — 23:54
UA695
United Airlines
Chicago — San Juan
|
30h including layover |
Find flight
from$387 |
|
|
17:54 — 14:44
+1 day
|
17:54 — 18:50
UA630
United Airlines
Buffalo — Chicago
13h 59m stop
08:49 — 14:44
UA1996
United Airlines
Chicago — San Juan
|
20h 50m including layover |
Find flight
from$497 |
|
|
19:11 — 02:34
+1 day
|
21:12 — 00:03
F91351
Frontier Airlines
Buffalo — Orlando
1h 40m stop
23:40 — 02:39
F94726
Frontier Airlines
Orlando — San Juan
|
7h 23m including layover |
Find flight
from$120 |
|
|
19:11 — 07:59
+1 day
|
19:11 — 22:00
F91351
Frontier Airlines
Buffalo — Orlando
7h 5m stop
05:05 — 07:59
F91824
Frontier Airlines
Orlando — San Juan
|
12h 48m including layover |
Find flight
from$125 |
|
|
21:37 — 00:32
+2 days
|
21:07 — 23:58
F93261
Frontier Airlines
Buffalo — Orlando
20h 58m stop
21:26 — 00:32
F91746
Frontier Airlines
Orlando — San Juan
|
26h 55m including layover |
Find flight
from$203 |
|
|
21:37 — 09:04
+1 day
|
21:07 — 23:58
F93261
Frontier Airlines
Buffalo — Orlando
5h 37m stop
06:05 — 09:04
F92250
Frontier Airlines
Orlando — San Juan
|
11h 27m including layover |
Find flight
from$230 |
|
|
10:30 — 12:40
+1 day
|
10:30 — 11:46
AV2043
Avianca
Buffalo — Washington D.C.
13h 19m stop
01:05 — 03:35
AV663
Avianca
Washington D.C. — San Jose
3h 55m stop
07:30 — 12:40
AV628
Avianca
San Jose — San Juan
|
26h 10m including layover |
Find flight
from$510 |
|
|
11:41 — 15:43
+1 day
|
11:41 — 12:54
SY1058
Sun Country Airlines
Buffalo — Minneapolis
6h 48m stop
19:42 — 22:15
SY505
Sun Country Airlines
Minneapolis — Dallas
11h 40m stop
09:55 — 15:43
NK1379
Spirit Airlines
Dallas — San Juan
|
28h 2m including layover |
Find flight
from$528 |
|
|
20:00 — 12:40
+1 day
|
19:45 — 21:06
AV2044
Avianca
Buffalo — Washington D.C.
3h 46m stop
01:05 — 03:35
AV663
Avianca
Washington D.C. — San Jose
3h 55m stop
07:30 — 12:40
AV628
Avianca
San Jose — San Juan
|
16h 40m including layover |
Find flight
from$497 |
|
*Departure and arrival times - local. Updated on July 15, 2025
Flight Information
Below we will explain in detail what the flights cost on the destination from Buffalo to San Juan depends on and how to choose the most interesting flight option for you.
Distance between Buffalo and San Juan is 2976 miles. Time difference between the cities is 1h. Airplanes depart 06:00 to 21:37 from 1 Buffalo airport and arrive 06:00 to 21:37 to 2 San Juan airports. Average flight time is 16h 40m.
- The fastest flight 6h 29m
- Average flight time 16h 40m
- The earliest flight 06:00
- The latest flight 21:37
- Distance 1850 ml
The cheapest months to travel to San Juan are september (from 120 $), august (from 140 $), july (from 153 $).
The most expensive months are november (from 639 $), january (from 182 $), july (from 153 $).
What is the lowest airfare Buffalo to San Juan?
The cheapest plane ticket found by our users is $120. This airfare is for economy class on one-way F91351 flight by Frontier Airlines for September 27, 2025 which leaves Niagara in Buffalo at 19:11 am and arrives at San Juan Luis Munoz Marin Intl at 02:34.
Economy class
$120
Business class
?
First class
?
Popular Airlines on the Route
The flight Buffalo — San Juan is served by 4 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Frontier Airlines - 10 departures per week at the price of from $ 120 . And the most expensive tickets are offered by United Airlines airline - from $ 624.
Direct flights
There’re no direct flights on this route. Try flights with stops.
Connecting Flights
There are 33 flights with layovers on the route. The fastest connecting flight is UA4291 by United Airlines takes 6h 29m and the cheapest is F91351 by Frontier Airlines for $120.
- F9 - Frontier Airlinesfrom $120Find
- AV - Aviancafrom $497Find
- SY - Sun Country Airlinesfrom $337Find
- UA - United Airlinesfrom $335Find
See more connecting flights
Airports
You can fly from Buffalo to San Juan from 1 airports (Niagara).
Buffalo airports
- Niagara-BUFfrom $120Find
San Juan airports
- Isla Grande-SIGFind
- Luis Munoz Marin Intl-SJUFind
Airplanes
There are flights to San Juan from Buffalo by 4 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Buffalo
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Top International Destinations from Buffalo
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?
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