Flights Charlotte → San Antonio
As of October 2026, economy flights from Charlotte to San Antonio have a typical range USD 396–707, median USD 505. Full range across all 204 offers: USD 316–835. We found 32% of 204 offers from budget carriers (around USD 499) and 68% from full-service carriers (around USD 510).
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: Charlotte → San Antonio
Based on 204 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Charlotte → San Antonio
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Frontier Airlines | — | — | — |
| Southwest | — | Included | — |
| American | — | USD 110 | — |
| Southwest | — | USD 90 | — |
| American Airlines | Included | USD 35 | — |
| United | Included | USD 35 | — |
| Delta | 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 Charlotte to San Antonio cost?
Based on 204 offers · October 2026
Charlotte to San Antonio flights ranged from USD 316 to USD 835 across 204 offers analyzed in October 2026. Two fare clusters detected: budget fares around 498 and premium fares around 706 The chart below shows how prices distributed across all 204 offers.
These 204 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 426 and USD 522
What hidden fees do Charlotte to San Antonio flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Charlotte to San Antonio routes. The breakdown below is based on 204 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| F9 | 10 | 2% |
| WN | 27 | 5% |
| American | 110 | 23% |
| Southwest | 90 | 21% |
| AA | 45 | 9% |
| UA | 45 | 8% |
| DL | 45 | 6% |
American: base ~USD 400 + fees USD 110 = ~USD 510 total. Southwest Airlines: base ~USD 484 + fees USD 27 = ~USD 511 total.
American's USD 110 ancillary fees narrow the gap with Southwest Airlines's lower-fee model — the USD 84 base difference shrinks to USD 1 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 Charlotte to San Antonio?
8 airlines flew Charlotte to San Antonio in this dataset. The route shows a clear split between low-cost and full-service carriers. 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.
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Frontier | 2 | — | 316 | n/a |
 Frontier Airlines | 32 | 338–487 | 386 | 10 (3%) |
 Southwest | 10 | 426–437 | 428 | 90 (21%) |
 United Airlines | 22 | 491–728 | 499 | 45 (9%) |
 American | 5 | 408–510 | 510 | 110 (22%) |
 Southwest Airlines | 97 | 420–705 | 511 | 27 (5%) |
 American Airlines | 30 | 481–536 | 520 | 45 (9%) |
 Delta Air Lines | 6 | 715–835 | 715 | 45 (6%) |
Where do the best Charlotte → 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 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: Charlotte to San Antonio flights
- Full-service carriers on Charlotte–San Antonio cost 1.4x more than budget airlines (USD 561 vs USD 410 median; overall median USD 505).
- American charges 11.0x more in ancillary fees than F9 — USD 110 vs USD 10 avg per booking.
- The same route priced USD 285 apart depending on where it was booked — the lowest median was USD 391. 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 Charlotte to San Antonio cost?
- Based on 204 offers analyzed, Charlotte to San Antonio flights range from USD 316 to USD 835, with a median price of USD 505. Search for your specific dates →
- What hidden fees should I expect on Charlotte to San Antonio flights?
- On average, ancillary fees (bags, seat selection) add USD 35 to the base fare on Charlotte to San Antonio flights. See itemized fees for your itinerary →
- Which airline is cheapest on Charlotte to San Antonio including all fees?
- Frontier has the lowest median fare on Charlotte to San Antonio at USD 316 (median across 2 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Charlotte–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 391. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Charlotte to San Antonio routes?
- Charlotte to San Antonio has 8 airlines competing, creating a price range from USD 316 to USD 835 across 204 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
8 airlines, two price clusters — find which fits your budget
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