SJU - PHL

$109 Find Cheap Flights from San Juan Airport to Philadelphia - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Luis Munoz Marin Intl to Philadelphia departing on 9/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Philadelphia

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Juan to Philadelphia, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Juan to Philadelphia, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$231
Typical prices: $190-$299
Frontier
Tue 9/22Mon 9/28
SJU - PHL • 1 stop
Cheapest non-stop
$232
Typical prices: $246-$358
Frontier
Mon 6/29Wed 8/5
SJU - PHL • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Frontier Economy Bundle adds carry-on and seat choice; Premium Bundle is often $20 more.
American Basic Economy has late boarding and no checked bag; Main Cabin adds flexibility.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Cheapest • from $231 (round-trip)
Best reviews • 7.1 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
You can fly direct with American Airlines, Frontier and JetBlue. Average duration is 4h 06m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Avoid delays
Most punctual • 84% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $215 (round-trip)
Shortest trip • 6h 24m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 19% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 37% price drop
Most popular
Good to know
Good to know
+1
+1
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+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Philadelphia!
Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Luis Munoz Marin Intl to Philadelphia (SJU-PHL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Luis Munoz Marin Intl to Philadelphia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Luis Munoz Marin Intl to Philadelphia

Tue, Sep 22 - Mon, Sep 28
Frontier Logo
4:39 pm - 12:32 pm
SJU
-
PHL
19h 53m
1 stop
Frontier Logo
11:23 am - 3:19 pm
PHL
-
SJU
3h 56mnonstop
$231Frontier
Fri, Oct 2 - Sun, Oct 4
Frontier Logo
6:15 am - 10:18 am
SJU
-
PHL
4h 03mnonstop
Frontier Logo
1:52 pm - 11:38 pm
PHL
-
SJU
9h 46m
1 stop
$233Frontier
Mon, Sep 21 - Tue, Sep 29
Frontier Logo
1:59 am - 6:04 am
SJU
-
PHL
4h 05mnonstop
Frontier Logo
7:45 am - 5:37 pm
PHL
-
SJU
9h 52m
1 stop
$234Frontier
Wed, Jul 15 - Wed, Aug 12
Frontier Logo
5:45 pm - 9:49 pm
SJU
-
PHL
4h 04mnonstop
Frontier Logo
7:29 pm - 11:24 pm
PHL
-
SJU
3h 55mnonstop
$237Frontier
Sat, Aug 8 - Sun, Aug 23
Frontier Logo
6:44 am - 10:48 am
SJU
-
PHL
4h 04mnonstop
Frontier Logo
6:15 am - 10:19 am
PHL
-
SJU
4h 04mnonstop
$238Frontier
Tue, Aug 18 - Tue, Aug 25
Frontier Logo
10:39 am - 2:40 pm
SJU
-
PHL
4h 01mnonstop
Frontier Logo
10:59 pm - 2:59 am
PHL
-
SJU
4h 00mnonstop
$240Frontier
Thu, Jul 9 - Sun, Jul 12
Frontier Logo
3:00 pm - 6:58 pm
SJU
-
PHL
3h 58mnonstop
Frontier Logo
10:59 pm - 2:59 am
PHL
-
SJU
4h 00mnonstop
$241Frontier
Sun, Sep 20 - Wed, Sep 30
Frontier Logo
6:15 am - 10:18 am
SJU
-
PHL
4h 03mnonstop
Frontier Logo
12:58 pm - 11:57 pm
PHL
-
SJU
10h 59m
1 stop
$242Frontier
Thu, Jul 30 - Wed, Aug 12
Frontier Logo
7:30 am - 12:27 am
SJU
-
PHL
16h 57m
1 stop
Frontier Logo
6:33 pm - 12:41 am
PHL
-
SJU
30h 08m
1 stop
$243Frontier
Fri, Aug 21 - Fri, Sep 11
Frontier Logo
6:44 am - 10:48 am
SJU
-
PHL
4h 04mnonstop
Frontier Logo
7:47 pm - 11:50 pm
PHL
-
SJU
4h 03mnonstop
$244Frontier
Booking Insights

KAYAK's insights & trends for Luis Munoz Marin Intl to Philadelphia flights

Get data-powered insights and trends into flights from Luis Munoz Marin Intl to Philadelphia to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from San Juan Luis Munoz Marin Intl Airport to Philadelphia?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San Juan Luis Munoz Marin Intl Airport to Philadelphia departing in September.

What’s the cheapest day of the week to fly from San Juan Airport to Philadelphia?

The average price of all round-trip flights from San Juan Luis Munoz Marin Intl Airport to Philadelphia clicked on KAYAK for each day over the last 12 months.

For San Juan Airport to Philadelphia, Friday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Philadelphia back to San Juan Airport, the best deals are generally found on Monday, with Friday being the most expensive.

What is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to Philadelphia?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Juan Luis Munoz Marin Intl Airport to Philadelphia, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Juan Luis Munoz Marin Intl Airport to Philadelphia is February, where tickets cost $155 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $337 and $299 respectively.

Can I save money by flying with a layover from San Juan Luis Munoz Marin Intl Airport to Philadelphia?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $295 on average.

How far in advance should I book a flight from San Juan Luis Munoz Marin Intl Airport to Philadelphia?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Juan Luis Munoz Marin Intl Airport to Philadelphia, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Juan Luis Munoz Marin Intl Airport to Philadelphia, you should book around 2 weeks before departure, which saves you about 19% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

Expert advice

Expert advice for your flight from Luis Munoz Marin Intl to Philadelphia

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on American Airlines and PHL

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Gabriel Leigh

Gabriel Leigh

Expert on SJU

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Good to know

Low seasonJanuary
Cheapest flight$109
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from San Juan Airport to Philadelphia

When to book flights from Luis Munoz Marin Intl to Philadelphia

Are your dates flexible? Find out the best times to travel from Luis Munoz Marin Intl to Philadelphia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking San Juan Airport to Philadelphia flights

  • What is the cheapest flight from San Juan Luis Munoz Marin Intl Airport to Philadelphia?

    In the last 5 days, the lowest price for a flight from San Juan Luis Munoz Marin Intl Airport to Philadelphia was $109 for a one-way ticket and $231 for a round-trip.

  • Do I need a passport to fly between San Juan Airport and Philadelphia?

    A passport is required to fly from San Juan Airport to Philadelphia.

  • Which airlines offer Wi-Fi service onboard planes from San Juan Airport to Philadelphia?

    All the following airlines offer inflight Wi-Fi service on the San Juan Airport to Philadelphia flight route: American Airlines, JetBlue, Iberia, Delta, British Airways, Air Canada, and Finnair.

  • Which aircraft models fly most regularly from San Juan Airport to Philadelphia?

    The Airbus A320neo is the aircraft model that flies most regularly on the San Juan Airport to Philadelphia flight route.

  • Which airline alliances offer flights from San Juan Airport to Philadelphia?

    oneworld is the only airline alliance operating flights between San Juan Airport and Philadelphia.

  • On which days can I fly direct from San Juan Airport to Philadelphia?

    There are nonstop flights from San Juan Airport to Philadelphia on a daily basis.

  • Which is the best airline for flights from San Juan to Philadelphia, American Airlines or JetBlue?

    The two airlines most popular with KAYAK users for flights from San Juan to Philadelphia are American Airlines and JetBlue. With an average price for the route of $426 and an overall rating of 7.1, American Airlines is the most popular choice. JetBlue is also a great choice for the route, with an average price of $382 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from San Juan Airport to Philadelphia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Juan Airport to Philadelphia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Juan Airport to Philadelphia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from San Juan Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Juan Airport to Philadelphia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Philadelphia with an airline and back to San Juan Airport with another airline. Booking your flights between San Juan Airport and PHL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Juan Airport to Philadelphia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia from San Juan Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from San Juan Luis Munoz Marin Intl Airport to Philadelphia

  • Looking for a cheap flight? 25% of our users found flights on this route for $178 or less one-way and $338 or less round-trip.

Prefer to fly direct from San Juan Airport to Philadelphia?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from San Juan Luis Munoz Marin Intl to Philadelphia.
Find which airlines fly direct from San Juan Luis Munoz Marin Intl Airport to Philadelphia Airport, which days they fly and book direct flights.

Direct departures

San Juan Luis Munoz Marin Intl to Philadelphia

Monday

American Airlines,Frontier,JetBlue

American Airlines,Frontier, +1 more

Tuesday

American Airlines,Frontier,JetBlue

American Airlines,Frontier, +1 more

Wednesday

American Airlines,Frontier,JetBlue

American Airlines,Frontier, +1 more

Thursday

American Airlines,Frontier,JetBlue

American Airlines,Frontier, +1 more

Friday

American Airlines,Frontier,JetBlue

American Airlines,Frontier, +1 more

Saturday

American Airlines,Frontier,JetBlue

American Airlines,Frontier, +1 more

Sunday

American Airlines,Frontier,JetBlue

American Airlines,Frontier, +1 more

See more direct flights

Direct returns

Philadelphia to San Juan Luis Munoz Marin Intl

Monday

American Airlines,Frontier,JetBlue

American Airlines,Frontier, +1 more

Tuesday

American Airlines,Frontier,JetBlue

American Airlines,Frontier, +1 more

Wednesday

American Airlines,Frontier,JetBlue

American Airlines,Frontier, +1 more

Thursday

American Airlines,Frontier,JetBlue

American Airlines,Frontier, +1 more

Friday

American Airlines,Frontier,JetBlue

American Airlines,Frontier, +1 more

Saturday

American Airlines,Frontier,JetBlue

American Airlines,Frontier, +1 more

Sunday

American Airlines,Frontier,JetBlue

American Airlines,Frontier, +1 more

See more direct flights

Reviews of the top 3 airlines serving from Luis Munoz Marin Intl to Philadelphia

 
See real verified KAYAK customer reviews for airlines flying from San Juan to Philadelphia. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Luis Munoz Marin Intl to Philadelphia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.1
American AirlinesOverall score based on 11755 reviews
7.9Crew
7.5Boarding
6.4Food
7.2Comfort
6.8Entertainment
Airline reviews

Rudest flight attendants ever, waited over 20 for light to be answered and it never was then tried to flag down an attendant who said someone else would come, just needed water to take some medicine Food bad

4.0 OkayLisa, Jun 2026
LHR - PHL
Read more American Airlines reviews

Rudest flight attendants ever, waited over 20 for light to be answered and it never was then tried to flag down an attendant who said someone else would come, just needed water to take some medicine Food bad

I was a Wheelchair Assist’ passenger on a London Heathrow to PHL flight yesterday. The process of getting me and my carry-on bag from the ticket counter to the gate was not good at all. It was the worst in my 5 years of experience using this service offered by American. The Philadelphia ‘Wheelchair Assist’ service was, and always has been Excellent! Not so at Heathrow. I was handed off to three different wheelchair drivers; had to sit in a very dingy holding area for 30 minutes while waiting for our gate change announcement; got crammed into a overloaded service vehicle to take me from the holding area to the gate ; was dumped at the end of the line of already-boarding passengers with my heavy carryon and no one helped me up the ramp way at the gate to board the plane. Overall it was a miserable experience!

My flight times changed 4 times since I originally booked the flight. The last time being the day of flight - a 2 hour delay. This meant instead of getting into IAH at 9:30p, I got in at 2:30a. This was very disappointing!!!

The seats. The seat in front of me was awful and when the guy sat down, it flew back and hit my head when I was putting my backpack under the seat, It didn't make for a pleasant experience,

Cancelled flight. Still waiting to get home for grand daughter’s graduation .

Left early arrived early..right amount of talking from pilots..of course had to love the biscuit and water!

As we approached Denver, we encountered quite a bit of turbulence. I know this can sometimes be the case as I frequently fly this route but not on American. My gripe: Usually a pilot or co-pilot alerts passengers to the possibility of turbulance ahead of time. This did not occur nor did he communiucate during what was a pretty rough ride.

When I booked my flight a month ago - I selected a seat. That seat was NOT the one I ended up with when I checked into my flight the day before. This is the second time this has occurred. So, I checked my next flight on Wednesday and Thursday and no seat was assigned. Poor, very poor customer service.

My trip was delayed for more than 3 hours without any explanation. Also I have a business meeting that I lost.

If we travel with carry on expected to being able to carry the luggage. Could be good if take in consideration the date of reservation to do that

I will NEVER fly with this clown show airline again. Idiots. All of them. Unprepared. Unfriendly. Miserable employees. NEVER. EVER. AGAIN

Easy experience even with the outbound flight being delayed. The seating and space was comfortable and the crew seemed very nice and helpful.

Purchased through 3rd party vendor which made everything difficult. Unable to check in online. Unable to get flight updates easily, tsa precheck information didn’t carry through, longer time to check in in person. Entertainment looked good but had to purchase conventional headphones to view.

Flight was smooth, amenities (entertainment options and power outlets) were good, sears decent)

Disaster This is why I stick to delta You get what you pay for

Even though the weather made a lot of flights become cancelled Jet Blue made the flight that was supposed to leave at 9 pm and we left at 12:15 am and I was so grateful- Thanks to the Senior Jet Blue Staff who made those decisions

Well, its a hit or miss when boarding most of the time your employees just let everyone enter immediately In one bum rush. Then out of know where tell the passengers only let A can enter then b then c etc. So make a decision and stick to it. Do it by alphabet and have famn strick compliance. Let the public know. That makes easier on passengers.

We were made to wait in the airport for six hours for a flight that was ultimately canceled.

It was a pretty smooth flight, I tend to get mini anxiety attacks during flights, however, this time was pretty smooth and I was able to relax. The only thing, I was having issues to connect to the Flyfi internet. I was not able to connect at all, I turned off my phone a couple times and didnt work.

we were delayed because of some safety check that wasn't done or available

Frontier line changes my flight schedule with out my authorization. They never ask me and with out my concern they cut off 4 hours of my vacation they force my to leave 4 hours early from Puerto Rico.

Not clean and was told I would get a great seat and it was not great at all

Good- no snacks on a 4+ hour flight is painful but more painful was the lack of WiFi.

No knowledgeable staff at the counter or in a flight crew. No one knew why once flight landed at Philadelphia Airport then it took them 4 hours from runway to gate . Damn they took 4 hours to reach the gate . They messed up whole night for myself and for my kids.

Horrible communication about delay of flight and what options were available

Online check-in was not user-friendly. Too many fees, not cost effective.

FRONTIER SUCKS! The agent downstairs tricked me into booking, just to get to the gate. At the gate, they told me they couldn't help. I then called Customer Service. They and the gate attendants kept blaming each other. Neither side was willing to help the customer.

My experience with frontier staff at the Denver airport was absolutely horrible. The manager on duty was even worst if was the worst experience I have ever had, I have never been treated so poorly as a customer in my life! The staff was extremely rude, eye rolls and attitude and then refusal to help me at all. I wish I could never fly frontier again that’s how horrible it was!

Good for the price. My only complaint is that the pilot should keep the air flowing while passengers are waiting to getting out of airplane.

I arrived 1 hour prior to boarding, and they said I was too late for a domestic flight. First time I heard that :-(

Everything you need to know for your flight from Luis Munoz Marin Intl to Philadelphia

Information on your arrival and departure airports