Flights Los Angeles → San Francisco
As of October 2026, economy flights from Los Angeles to San Francisco have a typical range TWD 2626–7682, median TWD 3721. Full range across all 284 offers: TWD 1230–11503. We found 19% of 284 offers from budget carriers (around TWD 3517) and 81% from full-service carriers (around TWD 3721).
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: Los Angeles → San Francisco
Based on 284 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Los Angeles → San Francisco
Add-on pricing from the cheapest available offer per airline · October 2026 · TWD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Frontier Airlines | — | — | — |
| Alaska Airlines | TWD 1912 | — | — |
| Southwest Airlines | Included | Included | — |
| Delta | Included | TWD 35 | — |
| United | Included | TWD 35 | — |
| American Airlines | Included | TWD 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 Los Angeles to San Francisco cost?
Based on 284 offers · October 2026
Los Angeles to San Francisco flights ranged from TWD 1230 to TWD 11503 across 284 offers analyzed in October 2026. Two fare clusters detected: budget fares around 5853 and premium fares around 10990 The chart below shows how prices distributed across all 284 offers.
These 284 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 TWD 3721 and TWD 4117
What hidden fees do Los Angeles to San Francisco flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Los Angeles to San Francisco routes. The breakdown below is based on 284 offers analyzed in October 2026.
| Carrier | Avg fee (TWD) | % of base fare |
|---|---|---|
| F9 | 168 | 5% |
| AS | 449 | 9% |
| WN | 486 | 9% |
| DL | 45 | 1% |
| UA | 45 | 1% |
| AA | 45 | 1% |
Southwest Airlines: base ~TWD 3553 + fees TWD 486 = ~TWD 4039 total. American Airlines: base ~TWD 5650 + fees TWD 45 = ~TWD 5695 total.
Southwest Airlines's TWD 486 ancillary fees narrow the gap with American Airlines's lower-fee model — the TWD 2097 base difference shrinks to TWD 1656 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 Los Angeles to San Francisco?
7 airlines flew Los Angeles to San Francisco 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.
Even on the cheapest airline (Frontier), fares ranged TWD 2472–3240 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 (TWD) | Median (TWD) | Fees (TWD) |
|---|---|---|---|---|
 Frontier | 14 | 2472–3240 | 2868 | n/a |
 Frontier Airlines | 40 | 2495–3958 | 3517 | 168 (5%) |
 Delta Air Lines | 36 | — | 3721 | 45 (1%) |
 United Airlines | 46 | 3721–5342 | 3721 | 45 (1%) |
 Alaska Airlines | 60 | 2495–11503 | 4002 | 449 (11%) |
 Southwest Airlines | 72 | 3721–10531 | 4039 | 486 (12%) |
 American Airlines | 16 | 3721–8768 | 5695 | 45 (1%) |
Where do the best Los Angeles → San Francisco 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: Los Angeles to San Francisco flights
- Full-service carriers on Los Angeles–San Francisco cost 1.2x more than budget airlines (TWD 4285 vs TWD 3474 median; overall median TWD 3721).
- WN charges 10.8x more in ancillary fees than AA — TWD 486 vs TWD 45 avg per booking.
- The same route priced TWD 8036 apart depending on where it was booked — the lowest median was TWD 2495. 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 Los Angeles to San Francisco cost?
- Based on 284 offers analyzed, Los Angeles to San Francisco flights range from TWD 1230 to TWD 11503, with a median price of TWD 3721. Search for your specific dates →
- What hidden fees should I expect on Los Angeles to San Francisco flights?
- On average, ancillary fees (bags, seat selection) add TWD 271 to the base fare on Los Angeles to San Francisco flights. See itemized fees for your itinerary →
- Which airline is cheapest on Los Angeles to San Francisco including all fees?
- Frontier has the lowest median fare on Los Angeles to San Francisco at TWD 2868 (median across 14 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Los Angeles–San Francisco 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 TWD 2495. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Los Angeles to San Francisco routes?
- Los Angeles to San Francisco has 7 airlines competing, creating a price range from TWD 1230 to TWD 11503 across 284 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
7 airlines, two price clusters — find which fits your budget
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