$142+ Cheap flights from Pennsylvania to San Luis Potosí, Mexico (SLP)
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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SLP
Oct 31 — Nov 71
1 adult, Economy
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Find cheap flights from Pennsylvania to San Luis Potosí 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.Cheap flight deals from Pennsylvania to San Luis Potosí
Keep the following information in mind while searching for Pennsylvania to San Luis Potosí flight deals. Data was last updated October 1, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $372 (Mytrip) |
One-way from | $142 (Mytrip) |
Find flight deals from Pennsylvania to San Luis Potosí
Cheapest flights from Pennsylvania to San Luis PotosíExplore the most affordable flight options available from Pennsylvania to San Luis Potosí. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 1, 2025.
Explore the most affordable flight options available from Pennsylvania to San Luis Potosí. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 1, 2025.
This Mytrip deal was found by Cheapflights users on 9/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1310:55 pmEWR - SLP
2 stops16h 55mMultiple Airlines
Thu 10/162:45 pmSLP - EWR
2 stops16h 18mMultiple Airlines
Deal found 9/29![Multiple Airlines logo]()
$372
This Mytrip deal was found by Cheapflights users on 9/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/109:11 pmPHL - SLP
2 stops17h 46mMultiple Airlines
Wed 2/182:06 pmSLP - PHL
2 stops18h 40mMultiple Airlines
Deal found 9/30![Multiple Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 10/173:10 pmIAD - SLP
2 stops24h 40mMultiple Airlines
Sun 10/262:51 pmSLP - IAD
1 stop16h 18mMultiple Airlines
Deal found 10/1![Multiple Airlines logo]()
$419
This Mytrip deal was found by Cheapflights users on 9/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1311:43 amPHL - SLP
3 stops28h 07mMultiple Airlines
Thu 10/162:45 pmSLP - PHL
2 stops16h 47mMultiple Airlines
Deal found 9/29![Multiple Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 9/29. 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.
Mon 10/137:05 amEWR - SLP
1 stop12h 59mDelta
Thu 10/166:00 amSLP - EWR
1 stop14h 00mDelta
Deal found 9/29![Delta logo]()
$461
This Delta deal was found by Cheapflights users on 9/29. 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.
Mon 10/137:05 amEWR - SLP
1 stop12h 59mDelta
Fri 10/176:00 amSLP - EWR
1 stop15h 00mDelta
Deal found 9/29![Delta logo]()
$464
This Delta deal was found by Cheapflights users on 9/29. 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.
Sun 10/129:30 amEWR - SLP
2 stops16h 01mDelta
Fri 10/176:00 amSLP - EWR
1 stop15h 00mDelta
Deal found 9/29![Delta logo]()
$467
This Delta deal was found by Cheapflights users on 9/30. 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 10/89:29 amJFK - SLP
1 stop8h 56mDelta
Sun 10/128:55 amSLP - JFK
1 stop9h 05mDelta
Deal found 9/30![Delta logo]()
$471
This Aeromexico deal was found by Cheapflights users on 9/29. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:41 amEWR - SLP
1 stop9h 23mAeromexico
Fri 10/1712:25 pmSLP - EWR
2 stops10h 34mAeromexico
Deal found 9/29![Aeromexico logo]()
$474
This Aeromexico deal was found by Cheapflights users on 9/29. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:00 amEWR - SLP
1 stop14h 04mAeromexico
Wed 10/156:00 amSLP - EWR
2 stops10h 08mAeromexico
Deal found 9/29![Aeromexico logo]()
$477
This Delta deal was found by Cheapflights users on 9/29. 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.
Sun 10/268:30 amJFK - SLP
1 stop11h 48mDelta
Fri 10/318:28 amSLP - JFK
1 stop11h 38mDelta
Deal found 9/29![Delta logo]()
$477
This Aeromexico deal was found by Cheapflights users on 9/29. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:41 amEWR - SLP
1 stop9h 23mAeromexico
Wed 10/1512:25 pmSLP - EWR
2 stops10h 34mAeromexico
Deal found 9/29![Aeromexico logo]()
$478
Cheapflights Fare Finder
Customize your flight search to find flights from Pennsylvania to San Luis Potosí 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 October 1, 2025.
Use the filters below to find and compare flights from Pennsylvania to San Luis Potosí that are best for you.
Fly from
Pennsylvania
Fly to
San Luis Potosí
Route
Depart
Return
Price
NewarkSan Luis Potosí
EWR - SLP
EWRSLP
Newark
Mon 10/13
10:55 pm-1:50 pm
2 stops16h 55m
San Luis Potosi
Thu 10/16
2:45 pm-9:03 am
2 stops16h 18m
$372
Washington, D.C.San Luis Potosí
IAD - SLP
IADSLP
Washington, D.C. Dulles Intl
Fri 10/17
3:10 pm-1:50 pm
2 stops24h 40m
San Luis Potosi
Sun 10/26
2:51 pm-9:09 am
1 stop16h 18m
$419
PhiladelphiaSan Luis Potosí
PHL - SLP
PHLSLP
Philadelphia
Wed 12/10
5:15 am-1:57 pm
3 stops33h 42m
San Luis Potosi
Wed 2/18
2:06 pm-9:46 am
2 stops18h 40m
$436
PhiladelphiaSan Luis Potosí
PHL - SLP
PHLSLP
Philadelphia
Mon 10/13
11:43 am-1:50 pm
3 stops28h 07m
San Luis Potosi
Thu 10/16
2:45 pm-9:32 am
2 stops16h 47m
$448
NewarkSan Luis Potosí
EWR - SLP
EWRSLP
Newark
Mon 3/9
8:05 am-11:37 pm
1 stop17h 32m
San Luis Potosi
Wed 3/11
10:08 am-11:00 pm
1 stop10h 52m
$459
New YorkSan Luis Potosí
JFK - SLP
JFKSLP
New York John F Kennedy Intl
Wed 3/4
8:30 am-11:37 pm
1 stop16h 07m
San Luis Potosi
Thu 3/5
10:08 am-8:38 pm
1 stop9h 30m
$459
NewarkSan Luis Potosí
EWR - SLP
EWRSLP
Newark
Tue 10/14
8:05 am-6:04 pm
1 stop11h 59m
San Luis Potosi
Thu 10/16
6:00 am-10:00 pm
1 stop14h 00m
$461
NewarkSan Luis Potosí
EWR - SLP
EWRSLP
Newark
Mon 10/13
7:05 am-6:04 pm
1 stop12h 59m
San Luis Potosi
Fri 10/17
6:00 am-11:00 pm
1 stop15h 00m
$464
NewarkSan Luis Potosí
EWR - SLP
EWRSLP
Newark
Tue 10/14
12:05 pm-6:04 pm
1 stop7h 59m
San Luis Potosi
Fri 10/17
6:00 am-11:00 pm
1 stop15h 00m
$464
NewarkSan Luis Potosí
EWR - SLP
EWRSLP
Newark
Sun 10/12
8:05 am-6:04 pm
1 stop11h 59m
San Luis Potosi
Thu 10/16
6:00 am-10:00 pm
1 stop14h 00m
$467
Showing 1-10 of 56 results
Best time to book a flight from Pennsylvania to San Luis Potosí
Have a flexible travel schedule? Discover the best time to fly to San Luis Potosí from Pennsylvania with our price prediction graph.
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 Pennsylvania to San Luis Potosí
What is the cheapest month to book a flight from Pennsylvania to San Luis Potosí?
Currently, September is the cheapest month in which you can book a flight from Pennsylvania to San Luis Potosí (average of $391). Flying from Pennsylvania to San Luis Potosí in December is currently the most expensive (average of $855). 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.