Flights San Antonio → Mexico City
As of November 2026, economy flights from San Antonio to Mexico City have a typical range USD 135–522, median USD 264. Full range across all 84 offers: USD 94–1537. We analyzed 84 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 → Mexico City
Based on 84 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: San Antonio → Mexico City
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 0 | — | — |
| United | — | USD 50 | — |
| Frontier | — | — | — |
| American Airlines | Included | USD 35 | — |
| Aeromexico | — | USD 45 | — |
| Delta | 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 Mexico City cost?
Based on 84 offers · November 2026
San Antonio to Mexico City flights ranged from USD 94 to USD 1537 across 84 offers analyzed in November 2026. The chart below shows how prices distributed across all 84 offers.
These 84 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 173 and USD 440
What hidden fees do San Antonio to Mexico City flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on San Antonio to Mexico City routes. The breakdown below is based on 84 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| VB | 640 | 502% |
| Y4 | 400 | 278% |
| UA | 46 | 16% |
| F9 | 10 | 5% |
| AA | 45 | 8% |
| AM | 38 | 8% |
| DL | 25 | 3% |
VivaAerobus: base ~USD -518 + fees USD 640 = ~USD 122 total. Frontier Airlines: base ~USD 192 + fees USD 10 = ~USD 202 total.
VivaAerobus's USD 640 ancillary fees narrow the gap with Frontier Airlines's lower-fee model — the USD 710 base difference shrinks to USD 80 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 Mexico City?
9 airlines flew San Antonio to Mexico City 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 100–157 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 | 3 | 100–157 | 122 | 640 (524%) |
 Volaris | 2 | 122–166 | 144 | 400 (278%) |
 Viva | 18 | 100–173 | 173 | n/a |
 Frontier Airlines | 1 | — | 202 | 10 (5%) |
 United | 9 | 202–251 | 214 | n/a |
 United Airlines | 21 | 201–310 | 271 | 46 (17%) |
 American Airlines | 25 | 415–707 | 464 | 45 (10%) |
 AM | 3 | 434–550 | 522 | 38 (7%) |
 Delta Air Lines | 2 | 508–1118 | 813 | 25 (3%) |
Where do the best San Antonio → Mexico City 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 Antonio to Mexico City flights
- Full-service carriers on San Antonio–Mexico City cost 1.7x more than budget airlines (USD 340 vs USD 202 median; overall median USD 264).
- VB charges 64.0x more in ancillary fees than F9 — USD 640 vs USD 10 avg per booking.
- The same route priced USD 259 apart depending on where it was booked — the lowest median was USD 173. 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 Mexico City cost?
- Based on 84 offers analyzed, San Antonio to Mexico City flights range from USD 94 to USD 1537, with a median price of USD 264. Search for your specific dates →
- What hidden fees should I expect on San Antonio to Mexico City flights?
- On average, ancillary fees (bags, seat selection) add USD 88 to the base fare on San Antonio to Mexico City flights. See itemized fees for your itinerary →
- Which airline is cheapest on San Antonio to Mexico City including all fees?
- VivaAerobus has the lowest median fare on San Antonio to Mexico City at USD 122 (median across 3 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest San Antonio–Mexico City 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 173. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on San Antonio to Mexico City routes?
- San Antonio to Mexico City has 9 airlines competing, creating a price range from USD 94 to USD 1537 across 84 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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