Flights San Jose → San Juan
As of October 2026, economy flights from San Jose to San Juan have a typical range USD 567–974, median USD 590. Full range across all 215 offers: USD 486–3839. We analyzed 215 offers from 7 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: San Jose → San Juan
Based on 215 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: San Jose → San Juan
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| American Airlines | Included | USD 35 | — |
| Southwest | — | USD 90 | — |
| Southwest Airlines | Included | Included | — |
| United Airlines | Included | USD 35 | — |
| Delta | Included | USD 90 | — |
| JetBlue | Included | — | — |
| American | — | USD 110 | — |
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 San Jose to San Juan cost?
Based on 215 offers · October 2026
San Jose to San Juan flights ranged from USD 486 to USD 3839 across 215 offers analyzed in October 2026. The chart below shows how prices distributed across all 215 offers.
These 215 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 590 and USD 783
What hidden fees do San Jose to San Juan flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on San Jose to San Juan routes. The breakdown below is based on 215 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| AA | 77 | 13% |
| Southwest | 90 | 17% |
| WN | 57 | 7% |
| UA | 64 | 8% |
| DL | 50 | 3% |
| B6 | 10 | 1% |
| American | 110 | 7% |
Southwest: base ~USD 396 + fees USD 90 = ~USD 486 total. B6: base ~USD 1059 + fees USD 10 = ~USD 1069 total.
Southwest's USD 90 ancillary fees narrow the gap with B6's lower-fee model — the USD 663 base difference shrinks to USD 583 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 San Jose to San Juan?
7 airlines flew San Jose 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 (Southwest), fares ranged USD 486–567 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) |
|---|---|---|---|---|
 Southwest | 10 | 486–567 | 486 | 90 (19%) |
 American Airlines | 135 | — | 590 | 77 (13%) |
 Southwest Airlines | 22 | 579–915 | 840 | 57 (7%) |
 United Airlines | 21 | 590–974 | 886 | 64 (7%) |
 Delta Air Lines | 16 | 754–3839 | 942 | 50 (5%) |
 B6 | 9 | 801–1117 | 1069 | 10 (1%) |
 American | 2 | 1159–2015 | 1587 | 110 (7%) |
Where do the best San Jose → 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 travel agency 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: San Jose to San Juan flights
- Full-service carriers on San Jose–San Juan cost 1.3x more than budget airlines (USD 1001 vs USD 798 median; overall median USD 590).
- American charges 11.0x more in ancillary fees than B6 — USD 110 vs USD 10 avg per booking.
- The same route priced USD 152 apart depending on where it was booked — the lowest median was USD 527. 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 San Jose to San Juan cost?
- Based on 215 offers analyzed, San Jose to San Juan flights range from USD 486 to USD 3839, with a median price of USD 590. Search for your specific dates →
- What hidden fees should I expect on San Jose to San Juan flights?
- On average, ancillary fees (bags, seat selection) add USD 70 to the base fare on San Jose to San Juan flights. See itemized fees for your itinerary →
- Which airline is cheapest on San Jose to San Juan including all fees?
- Southwest has the lowest median fare on San Jose to San Juan at USD 486 (median across 10 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest San Jose–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 527. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on San Jose to San Juan routes?
- San Jose to San Juan has 7 airlines competing, creating a price range from USD 486 to USD 3839 across 215 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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