$86+ Cheap flights from Buffalo (BUF) to Luis Munoz Marin Intl (SJU)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — SJU
Nov 7 — Nov 141
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to Luis Munoz Marin Intl 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 Buffalo to San Juan Luis Munoz Marin Intl are usually found in October or April, booked 88 days in advance, depart on a Thursday or Wednesday and return on a Tuesday
Cheap flight deals from Buffalo to Luis Munoz Marin Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Buffalo to Luis Munoz Marin IntlExplore the most affordable flight options available from Buffalo to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2026.
Explore the most affordable flight options available from Buffalo to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2026.
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/266:00 am -
1 stop7h 40m
Fri 10/302:35 pm -
1 stop8h 24m
Deal found 10/5![United Airlines logo]()
$236
This American Airlines deal was found by Cheapflights users on 10/3. 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.
Wed 11/1810:36 am -
2 stops11h 03m
Mon 11/231:18 pm -
2 stops11h 47m
Deal found 10/3![American Airlines logo]()
$241
This JetBlue deal was found by Cheapflights users on 10/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:35 am -
1 stop7h 37m
Thu 11/125:30 pm -
1 stop7h 28m
Deal found 10/7![JetBlue logo]()
$245
This Delta deal was found by Cheapflights users on 10/7. 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 11/73:53 pm -
1 stop7h 59m
Thu 11/126:10 pm -
1 stop6h 47m
Deal found 10/7![Delta logo]()
$246
This Southwest deal was found by Cheapflights users on 10/6. 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 10/294:30 pm -
1 stop6h 40m
Sat 10/316:50 am -
1 stop6h 30m
Deal found 10/6![Southwest logo]()
$248
This JetBlue deal was found by Cheapflights users on 10/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:08 pm -
1 stop7h 40m
Sat 11/212:30 pm -
Nonstop4h 41m
Deal found 10/7![JetBlue logo]()
$250
This JetBlue deal was found by Cheapflights users on 10/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:54 pm -
1 stop8h 55m
Wed 10/216:20 am -
1 stop7h 44m
Deal found 10/7![JetBlue logo]()
$252
This JetBlue deal was found by Cheapflights users on 10/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:00 am -
Nonstop4h 50m
Fri 10/3010:45 am -
1 stop8h 17m
Deal found 10/5![JetBlue logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Sun 11/112:54 pm -
1 stop24h 49m
Wed 11/113:55 am -
1 stop13h 52m
Deal found 10/7![Frontier logo]()
$254
This Cheapflightsfares deal was found by Cheapflights users on 10/7. 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.
Thu 10/2912:54 pm -
1 stop12h 56m
Sun 11/87:23 am -
1 stop11h 29m
Deal found 10/7![Frontier logo]()
$257
This Southwest deal was found by Cheapflights users on 10/5. 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 10/235:45 pm -
1 stop6h 25m
Wed 10/285:50 am -
1 stop6h 15m
Deal found 10/5![Southwest logo]()
$260
Best flights from Buffalo to Luis Munoz Marin IntlDiscover carefully curated flight deals from Buffalo to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.
Discover carefully curated flight deals from Buffalo to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.
This United Airlines deal was found by Cheapflights users on 10/4. 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 1/185:45 am -
1 stop7h 55m
Fri 1/228:25 am -
2 stops12h 07m
Deal found 10/4![United Airlines logo]()
$236
This JetBlue deal was found by Cheapflights users on 10/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:00 am -
1 stop7h 40m
Sat 11/212:30 pm -
Nonstop4h 41m
Deal found 10/7![JetBlue logo]()
$305
This Delta deal was found by Cheapflights users on 10/7. 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.
Tue 10/276:00 am -
1 stop7h 49m
Wed 10/282:59 pm -
1 stop9h 00m
Deal found 10/7![Delta logo]()
$325
This Southwest deal was found by Cheapflights users on 10/6. 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 12/42:00 pm -
2 stops9h 45m
Wed 12/97:40 am -
2 stops8h 35m
Deal found 10/6![Southwest logo]()
$353
This United Airlines deal was found by Cheapflights users on 10/4. 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 10/266:00 am -
1 stop7h 40m
Fri 10/3012:00 pm -
2 stops11h 46m
Deal found 10/4![United Airlines logo]()
$236
This United Airlines deal was found by Cheapflights users on 10/4. 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 1/185:45 am -
1 stop7h 55m
Thu 1/218:05 am -
2 stops9h 36m
Deal found 10/4![United Airlines logo]()
$236
This JetBlue deal was found by Cheapflights users on 10/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2212:50 pm -
1 stop7h 37m
Fri 11/272:30 pm -
Nonstop4h 41m
Deal found 10/7![JetBlue logo]()
$350
This United Airlines deal was found by Cheapflights users on 10/7. 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.
Tue 10/2710:51 am -
2 stops10h 31m
Tue 10/271:05 am -
1 stop9h 03m
Deal found 10/7![United Airlines logo]()
$363
This JetBlue deal was found by Cheapflights users on 10/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:15 am -
Nonstop4h 39m
Tue 10/274:30 pm -
1 stop7h 28m
Deal found 10/7![JetBlue logo]()
$425
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Tue 10/206:30 am -
1 stop7h 15m
Tue 10/201:00 am -
2 stops12h 11m
Deal found 10/6![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Tue 10/2010:46 am -
2 stops13h 04m
Fri 10/231:00 am -
2 stops12h 11m
Deal found 10/5![United Airlines logo]()
$409
Last-minute flights from Buffalo to Luis Munoz Marin IntlDiscover last-minute flight deals from Buffalo to Luis Munoz Marin Intl. Data last updated October 8, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to Luis Munoz Marin Intl. Data last updated October 8, 2026 and is based on user searches.
This JetBlue deal was found by Cheapflights users on 10/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:54 pm -
1 stop8h 55m
Wed 10/216:20 am -
1 stop7h 44m
Deal found 10/7![JetBlue logo]()
$252
This Southwest deal was found by Cheapflights users on 10/5. 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 10/235:45 pm -
1 stop6h 25m
Wed 10/285:50 am -
1 stop6h 15m
Deal found 10/5![Southwest logo]()
$260
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/266:00 am -
1 stop7h 40m
Fri 10/302:35 pm -
1 stop8h 24m
Deal found 10/5![United Airlines logo]()
$236
This JetBlue deal was found by Cheapflights users on 10/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:00 am -
Nonstop4h 50m
Fri 10/3010:45 am -
1 stop8h 17m
Deal found 10/5![JetBlue logo]()
$253
This American Airlines deal was found by Cheapflights users on 10/3. 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.
Wed 10/286:00 am -
2 stops16h 09m
Thu 11/196:05 am -
2 stops10h 55m
Deal found 10/3![American Airlines logo]()
$241
This Southwest deal was found by Cheapflights users on 10/6. 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 10/294:30 pm -
1 stop6h 40m
Sat 10/316:50 am -
1 stop6h 30m
Deal found 10/6![Southwest logo]()
$248
This Cheapflightsfares deal was found by Cheapflights users on 10/7. 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.
Thu 10/2912:54 pm -
1 stop12h 56m
Sun 11/87:23 am -
1 stop11h 29m
Deal found 10/7![Frontier logo]()
$257
This CheapOair deal was found by Cheapflights users on 10/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:00 am -
Nonstop4h 50m
Sun 11/17:23 am -
1 stop11h 29m
Deal found 10/8![Multiple Airlines logo]()
$254
This JetBlue deal was found by Cheapflights users on 10/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:35 am -
1 stop7h 37m
Thu 11/125:30 pm -
1 stop7h 28m
Deal found 10/7![JetBlue logo]()
$245
This Delta deal was found by Cheapflights users on 10/7. 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 11/73:53 pm -
1 stop7h 59m
Thu 11/126:10 pm -
1 stop6h 47m
Deal found 10/7![Delta logo]()
$246
This JetBlue deal was found by Cheapflights users on 10/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:08 pm -
1 stop7h 40m
Sat 11/212:30 pm -
Nonstop4h 41m
Deal found 10/7![JetBlue logo]()
$250
One-way flights from Buffalo to Luis Munoz Marin IntlSearch for one-way flight options from Buffalo to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
Search for one-way flight options from Buffalo to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
This Super.com deal was found by Cheapflights users on 10/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/261:23 pm -
1 stop12h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$86
This Cheapflightsfares deal was found by Cheapflights users on 10/7. 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.
Wed 12/21:15 pm -
1 stop10h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$87
This JetBlue deal was found by Cheapflights users on 10/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:08 pm -
1 stop7h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![JetBlue logo]()
$92
This Cheapflightsfares deal was found by Cheapflights users on 10/7. 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 12/41:15 pm -
1 stop10h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$97
This Super.com deal was found by Cheapflights users on 10/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:58 am -
1 stop8h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![JetBlue logo]()
$103
This Southwest deal was found by Cheapflights users on 10/6. 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 11/103:55 pm -
1 stop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Southwest logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 11/1212:54 pm -
1 stop12h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$108
This American Airlines deal was found by Cheapflights users on 10/5. 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.
Wed 10/286:00 am -
2 stops16h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![American Airlines logo]()
$111
This Delta deal was found by Cheapflights users on 10/6. 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 10/313:52 pm -
1 stop7h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Delta logo]()
$113
This Cheapflightsfares deal was found by Cheapflights users on 10/4. 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.
Wed 10/282:00 pm -
1 stop10h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Frontier logo]()
$115
This United Airlines deal was found by Cheapflights users on 10/7. 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.
Wed 2/35:45 am -
1 stop6h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![United Airlines logo]()
$116
This Frontier deal was found by Cheapflights users on 10/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:39 pm -
1 stop13h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Frontier logo]()
$117
Find flight deals from Buffalo to Luis Munoz Marin Intl
Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Luis Munoz Marin Intl (SJU). 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 October 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $236 (United Airlines) |
One-way from | $86 (Super.com) |
Popular in | December |
Cheapest in | October |
Average price | $321 |
Good round-trip deal | $286 or less |
Good one-way deal | $207 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to Luis Munoz Marin Intl 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 7,457,451 searches. Data last updated October 8, 2026.
Use the filters below to find and compare flights from Buffalo to San Juan Luis Munoz Marin Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Sat 11/7
3:53 pm-12:52 am
1 stop7h 59m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$113
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Wed 2/3
5:45 am-1:32 pm
1 stop6h 47m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$116
Quickest round-trip
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Tue 10/27
6:00 am-12:15 pm
1 stop6h 15m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$118
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Tue 11/17
10:51 am-10:22 pm
2 stops10h 31m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$118
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Sun 1/24
10:15 am-12:36 am
2 stops13h 21m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$156
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Mon 10/19
6:00 am-1:58 pm
1 stop7h 58m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$162
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Sat 11/14
6:00 am-1:32 pm
1 stop6h 32m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$168
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Mon 1/18
5:45 am-2:40 pm
1 stop7h 55m
San Juan Luis Munoz Marin Intl
Fri 1/22
8:25 am-7:32 pm
2 stops12h 07m
$236
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Mon 10/26
6:00 am-1:40 pm
1 stop7h 40m
San Juan Luis Munoz Marin Intl
Fri 10/30
12:00 pm-11:46 pm
2 stops11h 46m
$236
BuffaloSan Juan
BUF Buffalo - SJU San Juan Luis Munoz Marin Intl
BUFSJU
Buffalo
Mon 1/18
5:45 am-2:40 pm
1 stop7h 55m
San Juan Luis Munoz Marin Intl
Thu 1/21
8:05 am-4:41 pm
2 stops9h 36m
$236
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Buffalo to Luis Munoz Marin Intl
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 Buffalo to Luis Munoz Marin Intl in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Buffalo-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Buffalo-San Juan Luis Munoz Marin Intl Airport 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 Buffalo-San Juan Luis Munoz Marin Intl Airport 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 Buffalo to Luis Munoz Marin Intl
Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Buffalo with our price prediction graph.
BUF-SJU
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 Buffalo to San Juan Luis Munoz Marin Intl Airport
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How far ahead should I book a flight from Buffalo to San Juan Luis Munoz Marin Intl Airport?
The best time to book flights from Buffalo to San Juan Luis Munoz Marin Intl Airport is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Buffalo to San Juan Luis Munoz Marin Intl Airport?
Currently, October is the cheapest month in which you can book a flight from Buffalo to San Juan Luis Munoz Marin Intl Airport (average of $321). Flying from Buffalo to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $578). 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 BUF to SJU?
Find hourly flight availability from Buffalo to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 8, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Buffalo to San Juan Luis Munoz Marin Intl Airport as you normally would.
What’s the top layover airport for flights from Buffalo to San Juan Luis Munoz Marin Intl Airport?
Share of 1-stop round-trip flights from Buffalo to San Juan Luis Munoz Marin Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Orlando (MCO) – chosen by Cheapflights users on 71% of 1-stop itineraries from Buffalo to San Juan Luis Munoz Marin Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from Buffalo to San Juan Luis Munoz Marin Intl Airport?
Average round-trip fare for 1-stop flights from Buffalo to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
New York (JFK) is the most affordable 1-stop option, with an average round-trip price of $344.
What’s the fastest layover option from Buffalo to San Juan Luis Munoz Marin Intl Airport?
Shortest average travel time for 1-stop one-way flights from Buffalo to San Juan Luis Munoz Marin Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via New York (JFK) have the shortest average one-way travel time for 1-stop routes: 6h 19m.
Which airport typically offers the quickest layover for flights from Buffalo to San Juan Luis Munoz Marin Intl Airport?
Average layover duration for 1-stop one-way flights from Buffalo to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Baltimore (BWI) offer the fastest connection on this route, with an average layover time of 0h 50m.
Reviews of airlines servicing Luis Munoz Marin Intl
Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated October 8, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andJetBlue from Buffalo to San Juan Luis Munoz Marin Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Boarding
8.1
Food
7.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Boarding
8.1
Food
7.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Boarding
8.1
Food
7.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Boarding
8.1
Food
7.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Boarding
8.1
Food
7.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Related info for your journey
Find useful and relevant information for your journey from Buffalo to Luis Munoz Marin Intl. 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 San Juan Luis Munoz Marin Intl Airport?
Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locationsLuquillo
Rio Grande
Fajardo
Dorado
Humacao
Bayamón
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Top 6 airlines flying from Buffalo to Luis Munoz Marin Intl
Discover the top 6 airlines that operate flights from Buffalo to Luis Munoz Marin Intl. 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 7,457,451 searches. Data last updated October 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$106 | Average$320 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$153 | Average$311 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$205 | Average$381 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$222 | Average$400 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$231 | Average$464 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$250 | Average$426 | FlexibilityNo cancel fee | On-time63% |