Flights San Jose → Sydney (Mascot)
As of October 2026, economy flights from San Jose to Sydney (Mascot) have a typical range USD 1332–2743, median USD 1634. Full range across all 112 offers: USD 1062–3615. We found 52% of 112 offers from budget carriers (around USD 1551) and 48% from full-service carriers (around USD 1634).
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 Jose → Sydney (Mascot)
Based on 112 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: San Jose → Sydney (Mascot)
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Alaska Airlines | Included | USD 35 | — |
| Qantas | Included | USD 35 | — |
| Delta | Included | USD 35 | — |
| American Airlines | Included | USD 35 | — |
| Korean Air | Included | Included | — |
| British Airways | Included | USD 65 | — |
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 Jose to Sydney (Mascot) cost?
Based on 112 offers · October 2026
San Jose to Sydney (Mascot) flights ranged from USD 1062 to USD 3615 across 112 offers analyzed in October 2026. Two fare clusters detected: budget fares around 1700 and premium fares around 2211 The chart below shows how prices distributed across all 112 offers.
These 112 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 1498 and USD 2149
What hidden fees do San Jose to Sydney (Mascot) flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on San Jose to Sydney (Mascot) routes. The breakdown below is based on 112 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| AS | 45 | 3% |
| QF | 50 | 3% |
| DL | 45 | 3% |
| AA | 45 | 2% |
| KE | 15 | 0% |
| BA | 80 | 2% |
Qantas: base ~USD 1410 + fees USD 50 = ~USD 1460 total. Korean Air: base ~USD 3228 + fees USD 15 = ~USD 3243 total.
Qantas's USD 50 ancillary fees narrow the gap with Korean Air's lower-fee model — the USD 1818 base difference shrinks to USD 1783 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.BA charges 5.3x more in ancillary fees than KE on this route. Compare total-cost options when booking.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from San Jose to Sydney (Mascot)?
7 airlines flew San Jose to Sydney (Mascot) 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) |
|---|---|---|---|---|
 Alaska | 6 | — | 1332 | n/a |
 Qantas | 12 | 1301–1614 | 1460 | 50 (3%) |
 Alaska Airlines | 40 | 1319–2241 | 1551 | 45 (3%) |
 Delta Air Lines | 24 | 1630–1658 | 1634 | 45 (3%) |
 American Airlines | 18 | 2144–2152 | 2149 | 45 (2%) |
 Korean Air | 11 | 2743–3243 | 3243 | 15 (0%) |
 British Airways | 1 | — | 3615 | 80 (2%) |
Where do the best San Jose → Sydney (Mascot) 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 Jose to Sydney (Mascot) flights
- San Jose–Sydney (Mascot) had 112 offers analyzed. Median price: USD 1634.
- BA charges 5.3x more in ancillary fees than KE — USD 80 vs USD 15 avg per booking.
- The same route priced USD 306 apart depending on where it was booked — the lowest median was USD 1332. 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 Jose to Sydney (Mascot) cost?
- Based on 112 offers analyzed, San Jose to Sydney (Mascot) flights range from USD 1062 to USD 3615, with a median price of USD 1634. Search for your specific dates →
- What hidden fees should I expect on San Jose to Sydney (Mascot) flights?
- On average, ancillary fees (bags, seat selection) add USD 43 to the base fare on San Jose to Sydney (Mascot) flights. See itemized fees for your itinerary →
- Which airline is cheapest on San Jose to Sydney (Mascot) including all fees?
- Alaska has the lowest median fare on San Jose to Sydney (Mascot) at USD 1332 (median across 6 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest San Jose–Sydney (Mascot) 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 1332. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on San Jose to Sydney (Mascot) routes?
- San Jose to Sydney (Mascot) has 7 airlines competing, creating a price range from USD 1062 to USD 3615 across 112 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
Find flights for my datesNew route — be among the first to track this itinerary
Building with flight data? Power your app or agent with LetsFG
The same multi-source search behind this page — every airline and the major booking sites, deduplicated and ranked — is available to your app or AI agent. Natural-language or structured queries, live prices, zero price bias.
Try the free sandbox — no card →Free sandbox, instant fake results · email for a key · Bearer-token auth · MCP, Python & JS SDKs · letsfg.co/developers