Flights Cancún → San Antonio
As of November 2026, economy flights from Cancún to San Antonio have a typical range USD 198–1388, median USD 453. Full range across all 137 offers: USD 187–4337. We analyzed 137 offers from 10 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: Cancún → San Antonio
Based on 137 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Cancún → San Antonio
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 | — |
| United | Included | USD 35 | — |
| Volaris | USD 140 | USD 150 | — |
| Delta | Included | USD 35 | — |
| Aeromexico | Included | USD 30 | — |
| American Airlines | Included | USD 35 | — |
| Southwest Airlines | Included | Included | — |
| Air Canada | Included | USD 30 | — |
| WestJet | 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 Cancún to San Antonio cost?
Based on 137 offers · November 2026
Cancún to San Antonio flights ranged from USD 187 to USD 4337 across 137 offers analyzed in November 2026. The chart below shows how prices distributed across all 137 offers.
These 137 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 332 and USD 737
What hidden fees do Cancún to San Antonio flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Cancún to San Antonio routes. The breakdown below is based on 137 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| VB | 830 | 430% |
| UA | 39 | 12% |
| Y4 | 440 | 192% |
| DL | 37 | 5% |
| AM | 30 | 8% |
| AA | 45 | 5% |
| WN | 17 | 4% |
| AC | 42 | 4% |
| WS | 22 | 1% |
VivaAerobus: base ~USD -643 + fees USD 830 = ~USD 187 total. Southwest Airlines: base ~USD 436 + fees USD 17 = ~USD 453 total.
VivaAerobus's USD 830 ancillary fees narrow the gap with Southwest Airlines's lower-fee model — the USD 1079 base difference shrinks to USD 266 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 Cancún to San Antonio?
10 airlines flew Cancún to San Antonio 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 (VivaAerobus), fares ranged USD 187–197 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) |
|---|---|---|---|---|
 VivaAerobus | 12 | 187–197 | 187 | 830 (444%) |
 Viva | 3 | — | 197 | n/a |
 Volaris | 3 | 215–241 | 231 | 440 (190%) |
 United Airlines | 22 | 206–373 | 325 | 39 (12%) |
 Southwest Airlines | 19 | 389–503 | 453 | 17 (4%) |
 AM | 25 | 278–653 | 458 | 30 (7%) |
 Delta Air Lines | 26 | 445–1059 | 598 | 37 (6%) |
 American Airlines | 15 | 386–1699 | 1024 | 45 (4%) |
 Air Canada | 3 | 738–1388 | 1388 | 42 (3%) |
 WestJet | 9 | 1817–4291 | 2170 | 22 (1%) |
Where do the best Cancún → San Antonio 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: Cancún to San Antonio flights
- Full-service carriers on Cancún–San Antonio cost 0.4x more than budget airlines (USD 551 vs USD 1311 median; overall median USD 453).
- VB charges 50.1x more in ancillary fees than WN — USD 830 vs USD 17 avg per booking.
- The same route priced USD 388 apart depending on where it was booked — the lowest median was USD 197. 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 Cancún to San Antonio cost?
- Based on 137 offers analyzed, Cancún to San Antonio flights range from USD 187 to USD 4337, with a median price of USD 453. Search for your specific dates →
- What hidden fees should I expect on Cancún to San Antonio flights?
- On average, ancillary fees (bags, seat selection) add USD 129 to the base fare on Cancún to San Antonio flights. See itemized fees for your itinerary →
- Which airline is cheapest on Cancún to San Antonio including all fees?
- VivaAerobus has the lowest median fare on Cancún to San Antonio at USD 187 (median across 12 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Cancún–San Antonio 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 197. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Cancún to San Antonio routes?
- Cancún to San Antonio has 10 airlines competing, creating a price range from USD 187 to USD 4337 across 137 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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