$109+ Cheap flights from Luis Munoz Marin Intl (SJU) to Buffalo (BUF)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — BUF
Jul 28 — Aug 41
Round-trip
1 adult, Economy
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Find cheap flights from Luis Munoz Marin Intl to Buffalo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Buffalo are usually found in September or February, booked 16 days in advance, depart on a Tuesday or Monday and return on a Thursday
Cheap flight deals from Luis Munoz Marin Intl to Buffalo
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Best
Last-minute
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Cheapest flights from Luis Munoz Marin Intl to BuffaloExplore the most affordable flight options available from Luis Munoz Marin Intl to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 28, 2026.
Explore the most affordable flight options available from Luis Munoz Marin Intl to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 28, 2026.
This Southwest deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:00 am
SJU
- BUF
1 stop6h 50m
Southwest
Sun 8/306:10 pm
BUF
- SJU
1 stop6h 20m
Southwest
Deal found 6/24![Southwest logo]()
$218
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:30 am
SJU
- BUF
1 stop12h 55m
Southwest
Fri 8/214:35 pm
BUF
- SJU
1 stop7h 15m
Southwest
Deal found 6/25![Southwest logo]()
$258
This Southwest deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:00 am
SJU
- BUF
1 stop8h 30m
Southwest
Tue 10/62:25 pm
BUF
- SJU
2 stops9h 20m
Southwest
Deal found 6/24![Southwest logo]()
$270
This SmartFares deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:15 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Tue 10/67:00 am
BUF
- SJU
1 stop8h 23m
JetBlue
Deal found 6/24![JetBlue logo]()
$289
This SmartFares deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Sat 9/128:00 am
BUF
- SJU
Nonstop4h 33m
JetBlue
Deal found 6/25![JetBlue logo]()
$290
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:00 am
SJU
- BUF
1 stop6h 50m
Southwest
Tue 9/89:45 am
BUF
- SJU
2 stops9h 15m
Southwest
Deal found 6/25![Southwest logo]()
$291
This Faresmojo deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Mon 8/106:00 am
BUF
- SJU
Nonstop4h 38m
JetBlue
Deal found 6/26![JetBlue logo]()
$294
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:00 am
SJU
- BUF
1 stop6h 50m
Southwest
Sun 9/276:10 pm
BUF
- SJU
1 stop6h 20m
Southwest
Deal found 6/25![Southwest logo]()
$298
This Faresmojo deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Wed 7/297:00 am
BUF
- SJU
Nonstop4h 35m
JetBlue
Deal found 6/27![JetBlue logo]()
$305
This Cheapflightsfares deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:15 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Sat 10/38:00 am
BUF
- SJU
Nonstop4h 33m
JetBlue
Deal found 6/23![JetBlue logo]()
$307
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:55 pm
SJU
- BUF
1 stop6h 49m
United Airlines
Sat 9/196:00 am
BUF
- SJU
1 stop6h 34m
United Airlines
Deal found 6/23![United Airlines logo]()
$308
Best flights from Luis Munoz Marin Intl to BuffaloDiscover carefully curated flight deals from Luis Munoz Marin Intl to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 28, 2026.
Discover carefully curated flight deals from Luis Munoz Marin Intl to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 28, 2026.
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:00 am
SJU
- BUF
2 stops10h 15m
Southwest
Fri 8/214:35 pm
BUF
- SJU
1 stop7h 15m
Southwest
Deal found 6/25![Southwest logo]()
$291
This Cheapflightsfares deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:15 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Sat 10/38:00 am
BUF
- SJU
Nonstop4h 33m
JetBlue
Deal found 6/23![JetBlue logo]()
$307
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:55 pm
SJU
- BUF
1 stop6h 49m
United Airlines
Sat 9/196:00 am
BUF
- SJU
1 stop6h 34m
United Airlines
Deal found 6/23![United Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 am
SJU
- BUF
1 stop6h 33m
Delta
Wed 11/111:15 pm
BUF
- SJU
1 stop9h 40m
Delta
Deal found 6/28![Delta logo]()
$316
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:16 pm
SJU
- BUF
1 stop10h 56m
Delta
Tue 9/296:05 am
BUF
- SJU
1 stop10h 44m
Delta
Deal found 6/27![Delta logo]()
$316
This Southwest deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:00 am
SJU
- BUF
1 stop8h 20m
Southwest
Fri 8/144:35 pm
BUF
- SJU
1 stop7h 15m
Southwest
Deal found 6/24![Southwest logo]()
$326
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:10 pm
SJU
- BUF
1 stop7h 26m
Delta
Sat 10/36:05 am
BUF
- SJU
1 stop10h 44m
Delta
Deal found 6/23![Delta logo]()
$324
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:35 am
SJU
- BUF
2 stops10h 15m
Southwest
Mon 9/1411:25 am
BUF
- SJU
2 stops10h 45m
Southwest
Deal found 6/25![Southwest logo]()
$331
This Southwest deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:20 pm
SJU
- BUF
1 stop6h 50m
Southwest
Tue 10/1311:10 am
BUF
- SJU
1 stop11h 05m
Southwest
Deal found 6/26![Southwest logo]()
$339
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:30 am
SJU
- BUF
1 stop11h 49m
Delta
Mon 8/246:05 am
BUF
- SJU
1 stop10h 33m
Delta
Deal found 6/23![Delta logo]()
$359
Last-minute flights from Luis Munoz Marin Intl to BuffaloDiscover last-minute flight deals from Luis Munoz Marin Intl to Buffalo. Data last updated June 28, 2026 and is based on user searches.
Discover last-minute flight deals from Luis Munoz Marin Intl to Buffalo. Data last updated June 28, 2026 and is based on user searches.
This Faresmojo deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Mon 7/67:00 am
BUF
- SJU
Nonstop4h 35m
JetBlue
Deal found 6/24![JetBlue logo]()
$350
This SmartFares deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Wed 7/87:00 am
BUF
- SJU
Nonstop4h 35m
JetBlue
Deal found 6/24![JetBlue logo]()
$360
This Cheapflightsfares deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:20 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Mon 7/136:00 am
BUF
- SJU
Nonstop4h 34m
JetBlue
Deal found 6/24![JetBlue logo]()
$367
This SmartFares deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Wed 7/157:00 am
BUF
- SJU
Nonstop4h 35m
JetBlue
Deal found 6/25![JetBlue logo]()
$340
This Orbitz deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/189:55 pm
SJU
- BUF
1 stop9h 57m
Multiple Airlines
Wed 7/227:57 pm
BUF
- SJU
1 stop14h 46m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$372
This Faresmojo deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Wed 7/297:00 am
BUF
- SJU
Nonstop4h 35m
JetBlue
Deal found 6/27![JetBlue logo]()
$305
This Priceline deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:25 am
SJU
- BUF
1 stop16h 48m
Multiple Airlines
Wed 7/297:57 pm
BUF
- SJU
1 stop14h 46m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$366
This Expedia deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/253:10 am
SJU
- BUF
1 stop13h 22m
Frontier
Sun 8/25:22 pm
BUF
- SJU
1 stop6h 45m
Frontier
Deal found 6/25![Frontier logo]()
$376
This Travelocity deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:37 pm
SJU
- BUF
1 stop22h 29m
Frontier
Tue 8/49:09 pm
BUF
- SJU
1 stop14h 07m
Frontier
Deal found 6/25![Frontier logo]()
$355
This Faresmojo deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Tue 8/46:40 am
BUF
- SJU
1 stop17h 33m
JetBlue
Deal found 6/26![JetBlue logo]()
$361
One-way flights from Luis Munoz Marin Intl to BuffaloSearch for one-way flight options from Luis Munoz Marin Intl to Buffalo. Find affordable one-way fares based on user searches. Data last updated June 28, 2026.
Search for one-way flight options from Luis Munoz Marin Intl to Buffalo. Find affordable one-way fares based on user searches. Data last updated June 28, 2026.
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:15 am
SJU
- BUF
1 stop6h 25m
Southwest
Deal found 6/25![Southwest logo]()
$109
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:44 pm
SJU
- BUF
1 stop8h 24m
American Airlines
Deal found 6/24![American Airlines logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:05 pm
SJU
- BUF
2 stops15h 16m
Frontier
Deal found 6/26![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:39 pm
SJU
- BUF
2 stops19h 42m
Frontier
Deal found 6/27![Frontier logo]()
$143
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:22 pm
SJU
- BUF
1 stop9h 18m
American Airlines
Deal found 6/25![American Airlines logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:39 pm
SJU
- BUF
2 stops43h 42m
Frontier
Deal found 6/27![Frontier logo]()
$145
This Faresmojo deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:29 pm
SJU
- BUF
Nonstop4h 38m
JetBlue
Deal found 6/27![JetBlue logo]()
$148
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am
SJU
- BUF
2 stops9h 20m
Southwest
Deal found 6/25![Southwest logo]()
$149
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:16 am
SJU
- BUF
2 stops25h 02m
American Airlines
Deal found 6/25![American Airlines logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:55 am
SJU
- BUF
2 stops28h 34m
Frontier
Deal found 6/28![Frontier logo]()
$153
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/194:55 pm
SJU
- BUF
1 stop6h 49m
United Airlines
Deal found 6/23![United Airlines logo]()
$154
Find flight deals from Luis Munoz Marin Intl to Buffalo
Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to Buffalo (BUF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $218 (Southwest) |
One-way from | $109 (Southwest) |
Popular in | November |
Cheapest in | September |
Average price | $335 |
Good one-way deal | $172 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Luis Munoz Marin Intl 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, Cheapflights users made 2,558,603 searches. Data last updated June 28, 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
Cheapest round-trip
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Thu 8/20
5:00 am-3:15 pm
2 stops10h 15m
Buffalo
Fri 8/21
4:35 pm-11:50 pm
1 stop7h 15m
$291
Quickest round-trip
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Sat 9/26
6:15 pm-10:53 pm
Nonstop4h 38m
Buffalo
Sat 10/3
8:00 am-12:33 pm
Nonstop4h 33m
$307
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Mon 9/14
4:55 pm-11:44 pm
1 stop6h 49m
Buffalo
Sat 9/19
6:00 am-12:34 pm
1 stop6h 34m
$308
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Wed 11/4
7:00 am-12:33 pm
1 stop6h 33m
Buffalo
Wed 11/11
1:15 pm-11:55 pm
1 stop9h 40m
$316
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Thu 9/24
1:16 pm-12:12 am
1 stop10h 56m
Buffalo
Tue 9/29
6:05 am-4:49 pm
1 stop10h 44m
$316
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Sat 9/26
3:10 pm-10:36 pm
1 stop7h 26m
Buffalo
Sat 10/3
6:05 am-4:49 pm
1 stop10h 44m
$324
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Wed 8/12
6:00 am-2:20 pm
1 stop8h 20m
Buffalo
Fri 8/14
4:35 pm-11:50 pm
1 stop7h 15m
$326
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Thu 9/10
11:35 am-9:50 pm
2 stops10h 15m
Buffalo
Mon 9/14
11:25 am-10:10 pm
2 stops10h 45m
$331
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Thu 10/8
5:20 pm-12:10 am
1 stop6h 50m
Buffalo
Tue 10/13
11:10 am-10:15 pm
1 stop11h 05m
$339
San JuanBuffalo
SJU - BUF
SJUBUF
San Juan Luis Munoz Marin Intl
Thu 8/20
7:30 am-7:19 pm
1 stop11h 49m
Buffalo
Mon 8/24
6:05 am-4:38 pm
1 stop10h 33m
$359
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Luis Munoz Marin Intl to Buffalo
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Luis Munoz Marin Intl to Buffalo in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-Buffalo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Buffalo flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Juan Luis Munoz Marin Intl Airport-Buffalo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Luis Munoz Marin Intl to Buffalo
Have a flexible travel schedule? Discover the best time to fly to Buffalo from Luis Munoz Marin Intl with our price prediction graph.
SJU-BUF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Juan Luis Munoz Marin Intl Airport to Buffalo
How far ahead should I book a flight from San Juan Luis Munoz Marin Intl Airport to Buffalo?
Booking 15 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan Luis Munoz Marin Intl Airport to Buffalo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from San Juan Luis Munoz Marin Intl Airport to Buffalo?
Currently, September is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Buffalo (average of $205). Flying from San Juan Luis Munoz Marin Intl Airport to Buffalo in November is currently the most expensive (average of $424). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SJU to BUF?
Find hourly flight availability from Luis Munoz Marin Intl to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 28, 2026.
When flying from San Juan Luis Munoz Marin Intl Airport to Buffalo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Buffalo
Get insights into the airlines that provide service to Buffalo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buffalo. Reviews last updated June 28, 2026.
Read reviews from past customers who have flown Southwest,Delta, andAmerican Airlines from San Juan Luis Munoz Marin Intl Airport to Buffalo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Luis Munoz Marin Intl to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Buffalo?
Book flights to Buffalo if you plan to visit one of these locationsLockport
Cheektowaga
Amherst
Batavia
Williamsville
Orchard Park
Eden
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Luis Munoz Marin Intl and Buffalo flights
Browse other Luis Munoz Marin Intl and Buffalo flight options. Last updated on June 28, 2026.
Other flights from Luis Munoz Marin Intl
Browse through other flights departing from Luis Munoz Marin Intl. Flights are based on user searches made on Cheapflights and were last updated on June 28, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Luis Munoz Marin Intl to Buffalo
Discover the top 5 airlines that operate flights from Luis Munoz Marin Intl to Buffalo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$102 | Average$294 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$124 | Average$231 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$195 | Average$395 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$215 | Average$483 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$239 | Average$376 | FlexibilityNo cancel fee | On-time62% |