Flights San Antonio → Cancún
As of November 2026, economy flights from San Antonio to Cancún have a typical range USD 454–827, median USD 780. Full range across all 232 offers: USD 300–2944. We analyzed 232 offers from 9 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 Antonio → Cancún
Based on 232 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: San Antonio → Cancún
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Viva | USD 280 | USD 400 | — |
| Volaris | USD 250 | USD 500 | — |
| Delta | Included | USD 35 | — |
| Aeromexico | — | USD 122 | — |
| American Airlines | Included | USD 35 | — |
| Southwest Airlines | Included | Included | — |
| United | Included | USD 35 | — |
| Air Canada | Included | USD 30 | — |
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 Antonio to Cancún cost?
Based on 232 offers · November 2026
San Antonio to Cancún flights ranged from USD 300 to USD 2944 across 232 offers analyzed in November 2026. The chart below shows how prices distributed across all 232 offers.
These 232 offers (November 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 684 and USD 813
What hidden fees do San Antonio to Cancún flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on San Antonio to Cancún routes. The breakdown below is based on 232 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| VB | 830 | 248% |
| Y4 | 900 | 185% |
| DL | 45 | 6% |
| AM | 122 | 23% |
| AA | 45 | 5% |
| WN | 0 | 0% |
| UA | 45 | 5% |
| AC | 42 | 2% |
Volaris: base ~USD -449 + fees USD 900 = ~USD 451 total. Air Canada: base ~USD 2738 + fees USD 42 = ~USD 2780 total.
Volaris's USD 900 ancillary fees narrow the gap with Air Canada's lower-fee model — the USD 3187 base difference shrinks to USD 2329 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 Antonio to Cancún?
9 airlines flew San Antonio to Cancún 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 (Viva), fares ranged USD 306–313 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) |
|---|---|---|---|---|
 Viva | 4 | 306–313 | 306 | n/a |
 VivaAerobus | 11 | 300–412 | 310 | 830 (268%) |
 Volaris | 3 | 442–545 | 451 | 900 (200%) |
 AM | 24 | 413–1042 | 651 | 122 (19%) |
 American Airlines | 92 | 684–811 | 780 | 45 (6%) |
 Southwest Airlines | 34 | 684–837 | 809 | 0 (0%) |
 Delta Air Lines | 51 | 559–813 | 813 | 45 (6%) |
 United Airlines | 12 | 774–1163 | 825 | 45 (5%) |
 Air Canada | 1 | — | 2780 | 42 (2%) |
Where do the best San Antonio → Cancún 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: San Antonio to Cancún flights
- Full-service carriers on San Antonio–Cancún cost 1.1x more than budget airlines (USD 864 vs USD 809 median; overall median USD 780).
- Y4 charges 21.4x more in ancillary fees than AC — USD 900 vs USD 42 avg per booking.
- The same route priced USD 495 apart depending on where it was booked — the lowest median was USD 305. 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 Antonio to Cancún cost?
- Based on 232 offers analyzed, San Antonio to Cancún flights range from USD 300 to USD 2944, with a median price of USD 780. Search for your specific dates →
- What hidden fees should I expect on San Antonio to Cancún flights?
- On average, ancillary fees (bags, seat selection) add USD 93 to the base fare on San Antonio to Cancún flights. See itemized fees for your itinerary →
- Which airline is cheapest on San Antonio to Cancún including all fees?
- Viva has the lowest median fare on San Antonio to Cancún at USD 306 (median across 4 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest San Antonio–Cancún 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 305. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on San Antonio to Cancún routes?
- San Antonio to Cancún has 9 airlines competing, creating a price range from USD 300 to USD 2944 across 232 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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