Flights Monterrey → San Francisco
As of October 2026, economy flights from Monterrey to San Francisco have a typical range USD 469–1172, median USD 491. Full range across all 145 offers: USD 322–3304. We analyzed 145 offers from 8 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: Monterrey → San Francisco
Based on 145 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Monterrey → San Francisco
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 | — |
| United | Included | USD 35 | — |
| Delta | Included | USD 35 | — |
| Aeromexico | Included | USD 30 | — |
| WestJet | — | 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 Monterrey to San Francisco cost?
Based on 145 offers · October 2026
Monterrey to San Francisco flights ranged from USD 322 to USD 3304 across 145 offers analyzed in October 2026. The chart below shows how prices distributed across all 145 offers.
These 145 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 484 and USD 634
What hidden fees do Monterrey to San Francisco flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Monterrey to San Francisco routes. The breakdown below is based on 145 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| AA | 45 | 5% |
| UA | 45 | 9% |
| DL | 28 | 3% |
| AM | 30 | 5% |
| WS | 42 | 3% |
United Airlines: base ~USD 446 + fees USD 45 = ~USD 491 total. Delta Air Lines: base ~USD 463 + fees USD 28 = ~USD 491 total.
United Airlines's USD 45 ancillary fees narrow the gap with Delta Air Lines's lower-fee model — the USD 17 base difference shrinks to USD 0 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.AA charges 1.6x more in ancillary fees than DL on this route. Compare total-cost options when booking.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Monterrey to San Francisco?
8 airlines flew Monterrey to San Francisco 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) |
|---|---|---|---|---|
 VB|UA | 1 | — | 322 | n/a |
 Aeromexico | 7 | — | 447 | n/a |
 American | 15 | — | 469 | n/a |
 AM | 42 | 435–691 | 489 | 30 (6%) |
 United Airlines | 27 | 489–515 | 491 | 45 (9%) |
 Delta Air Lines | 32 | 484–1172 | 491 | 28 (6%) |
 American Airlines | 16 | 469–1533 | 577 | 45 (8%) |
 WestJet | 5 | 1551–1665 | 1624 | 42 (3%) |
Where do the best Monterrey → 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: Monterrey to San Francisco flights
- Full-service carriers on Monterrey–San Francisco cost 0.3x more than budget airlines (USD 470 vs USD 1624 median; overall median USD 491).
- AA charges 1.6x more in ancillary fees than DL — USD 45 vs USD 28 avg per booking.
- The same route priced USD 559 apart depending on where it was booked — the lowest median was USD 322. 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 Monterrey to San Francisco cost?
- Based on 145 offers analyzed, Monterrey to San Francisco flights range from USD 322 to USD 3304, with a median price of USD 491. Search for your specific dates →
- What hidden fees should I expect on Monterrey to San Francisco flights?
- On average, ancillary fees (bags, seat selection) add USD 38 to the base fare on Monterrey to San Francisco flights. See itemized fees for your itinerary →
- Which airline is cheapest on Monterrey to San Francisco including all fees?
- VB|UA has the lowest median fare on Monterrey to San Francisco at USD 322 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Monterrey–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 USD 322. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Monterrey to San Francisco routes?
- Monterrey to San Francisco has 8 airlines competing, creating a price range from USD 322 to USD 3304 across 145 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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