Flights Philadelphia → San Juan
As of October 2026, economy flights from Philadelphia to San Juan have a typical range USD 337–632, median USD 459. Full range across all 242 offers: USD 253–1162. We analyzed 242 offers from 5 airlines in a single price check.
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Philadelphia → San Juan
Based on 242 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Philadelphia → San Juan
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Frontier Airlines | USD 164 | USD 166 | — |
| United Airlines | Included | USD 35 | — |
| JetBlue | Included | USD 35 | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Philadelphia to San Juan cost?
Based on 242 offers · October 2026
Philadelphia to San Juan flights ranged from USD 253 to USD 1162 across 242 offers analyzed in October 2026. The chart below shows how prices distributed across all 242 offers.
These 242 offers (October 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 382 and USD 553
What hidden fees do Philadelphia to San Juan flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Philadelphia to San Juan routes. The breakdown below is based on 242 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| F9 | 23 | 5% |
| UA | 45 | 16% |
| B6 | 40 | 5% |
United Airlines: base ~USD 242 + fees USD 45 = ~USD 287 total. Frontier Airlines: base ~USD 407 + fees USD 23 = ~USD 430 total.
United Airlines's USD 45 ancillary fees narrow the gap with Frontier Airlines's lower-fee model — the USD 165 base difference shrinks to USD 143 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Philadelphia to San Juan?
5 airlines flew Philadelphia to San Juan in this dataset. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
Even on the cheapest airline (United Airlines), fares ranged USD 282–291 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 United Airlines | 2 | 282–291 | 287 | 45 (16%) |
 Frontier Airlines | 205 | 348–587 | 430 | 23 (5%) |
 Frontier | 14 | 253–749 | 447 | n/a |
 JetBlue | 8 | 488–629 | 537 | n/a |
 B6 | 13 | 542–1158 | 726 | 40 (5%) |
Where do the best Philadelphia → San Juan prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Philadelphia to San Juan flights
- Full-service carriers on Philadelphia–San Juan cost 0.5x more than budget airlines (USD 287 vs USD 535 median; overall median USD 459).
- UA charges 2.0x more in ancillary fees than F9 — USD 45 vs USD 23 avg per booking.
- The same route priced USD 434 apart depending on where it was booked — the lowest median was USD 292. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Philadelphia to San Juan cost?
- Based on 242 offers analyzed, Philadelphia to San Juan flights range from USD 253 to USD 1162, with a median price of USD 459. Search for your specific dates →
- What hidden fees should I expect on Philadelphia to San Juan flights?
- On average, ancillary fees (bags, seat selection) add USD 24 to the base fare on Philadelphia to San Juan flights. See itemized fees for your itinerary →
- Which airline is cheapest on Philadelphia to San Juan including all fees?
- United Airlines has the lowest median fare on Philadelphia to San Juan at USD 287 (median across 2 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Philadelphia–San Juan flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 292. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Philadelphia to San Juan routes?
- Philadelphia to San Juan has 5 airlines competing, creating a price range from USD 253 to USD 1162 across 242 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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