Flights San Antonio → London
As of October 2026, economy flights from San Antonio to London have a typical range USD 6290–8530, median USD 7310. Full range across all 247 offers: USD 5940–21131. We analyzed 247 offers from 11 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 → London
Based on 247 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: San Antonio → London
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 | — |
| Alaska Airlines | Included | Included | — |
| Lufthansa | Included | USD 35 | — |
| Air Canada | Included | Included | — |
| British Airways | Included | USD 65 | — |
| United | Included | USD 35 | — |
| Iberia | Included | Included | — |
| Delta | Included | USD 35 | — |
| Air France | Included | USD 35 | — |
| KLM | 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 San Antonio to London cost?
Based on 247 offers · October 2026
San Antonio to London flights ranged from USD 5940 to USD 21131 across 247 offers analyzed in October 2026. The chart below shows how prices distributed across all 247 offers.
These 247 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 7123 and USD 7554
What hidden fees do San Antonio to London flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on San Antonio to London routes. The breakdown below is based on 247 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| AA | 35 | 1% |
| AS | 28 | 0% |
| LH | 45 | 1% |
| AC | 20 | 0% |
| BA | 64 | 1% |
| UA | 42 | 1% |
| IB | 12 | 0% |
| DL | 43 | 1% |
| AF | 47 | 1% |
| KL | 47 | 1% |
Lufthansa: base ~USD 6615 + fees USD 45 = ~USD 6660 total. Iberia: base ~USD 7258 + fees USD 12 = ~USD 7270 total.
Lufthansa's USD 45 ancillary fees narrow the gap with Iberia's lower-fee model — the USD 643 base difference shrinks to USD 610 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 London?
11 airlines flew San Antonio to London 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.
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 AM | 1 | — | 6296 | n/a |
 Alaska Airlines | 8 | 5940–6545 | 6381 | 28 (0%) |
 Air Canada | 4 | 6301–16749 | 6416 | 20 (0%) |
 Lufthansa | 11 | 6280–7680 | 6660 | 45 (1%) |
 American Airlines | 60 | 6280–7270 | 7270 | 35 (0%) |
 Iberia | 2 | — | 7270 | 12 (0%) |
 British Airways | 99 | 6320–10600 | 7310 | 64 (1%) |
 United Airlines | 22 | 6889–7523 | 7523 | 42 (1%) |
 Delta Air Lines | 28 | 7384–8549 | 8530 | 43 (0%) |
 Air France | 7 | — | 8530 | 47 (1%) |
 KLM | 5 | — | 8530 | 47 (1%) |
Where do the best San Antonio → London 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 London flights
- San Antonio–London had 247 offers analyzed. Median price: USD 7310.
- BA charges 5.3x more in ancillary fees than IB — USD 64 vs USD 12 avg per booking.
- The same route priced USD 1279 apart depending on where it was booked — the lowest median was USD 7270. 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 London cost?
- Based on 247 offers analyzed, San Antonio to London flights range from USD 5940 to USD 21131, with a median price of USD 7310. Search for your specific dates →
- What hidden fees should I expect on San Antonio to London flights?
- On average, ancillary fees (bags, seat selection) add USD 48 to the base fare on San Antonio to London flights. See itemized fees for your itinerary →
- Which airline is cheapest on San Antonio to London including all fees?
- AM has the lowest median fare on San Antonio to London at USD 6296 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest San Antonio–London 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 7270. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on San Antonio to London routes?
- San Antonio to London has 11 airlines competing, creating a price range from USD 5940 to USD 21131 across 247 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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