Flights Chicago → Sydney (Mascot)
As of October 2026, economy flights from Chicago to Sydney (Mascot) have a typical range USD 1435–2133, median USD 1747. Full range across all 200 offers: USD 1372–8289. We analyzed 200 offers from 22 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: Chicago → Sydney (Mascot)
Based on 200 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Chicago → Sydney (Mascot)
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Air New Zealand | Included | USD 30 | — |
| Alaska Airlines | Included | USD 35 | — |
| Air Canada | Included | USD 30 | — |
| Cathay Pacific | Included | Included | — |
| Qantas | Included | USD 35 | — |
| American Airlines | Included | Included | — |
| Delta | Included | USD 35 | — |
| Lufthansa | Included | Included | — |
| ANA | Included | Included | — |
| United | Included | USD 35 | — |
| Japan Airlines | Included | Included | — |
| SWISS | Included | USD 40 | — |
| Turkish Airlines | Included | Included | — |
| Malaysia Airlines | Included | Included | — |
| Etihad Airways | Included | Included | — |
| Qatar Airways | Included | Included | — |
| Korean Air | Included | Included | — |
| Emirates | 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 Chicago to Sydney (Mascot) cost?
Based on 200 offers · October 2026
Chicago to Sydney (Mascot) flights ranged from USD 1372 to USD 8289 across 200 offers analyzed in October 2026. The chart below shows how prices distributed across all 200 offers.
These 200 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 1667 and USD 1755
What hidden fees do Chicago to Sydney (Mascot) flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Chicago to Sydney (Mascot) routes. The breakdown below is based on 200 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| NZ | 37 | 3% |
| AS | 45 | 3% |
| AC | 38 | 2% |
| CX | 50 | 3% |
| QF | 38 | 2% |
| AA | 42 | 2% |
| DL | 43 | 2% |
| LH | 36 | 1% |
| NH | 0 | 0% |
| UA | 45 | 2% |
| JL | 0 | 0% |
| LX | 52 | 2% |
| TK | 10 | 0% |
| MH | 15 | 1% |
| EY | 15 | 0% |
| QR | 20 | 1% |
| KE | 15 | 0% |
| EK | 20 | 1% |
| BA | 80 | 2% |
Cathay Pacific: base ~USD 1673 + fees USD 50 = ~USD 1723 total. Turkish Airlines: base ~USD 2366 + fees USD 10 = ~USD 2376 total.
Cathay Pacific's USD 50 ancillary fees narrow the gap with Turkish Airlines's lower-fee model — the USD 693 base difference shrinks to USD 653 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 8.0x more in ancillary fees than TK on this route. Compare total-cost options when booking.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Chicago to Sydney (Mascot)?
22 airlines flew Chicago to Sydney (Mascot) 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.
Even on the cheapest airline (Air New Zealand), fares ranged USD 1373–1773 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 (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Air New Zealand | 19 | 1373–1773 | 1378 | 37 (3%) |
 Alaska Airlines | 11 | 1435–2024 | 1435 | 45 (3%) |
 Alaska | 2 | 1517–1553 | 1535 | n/a |
 Air Canada | 32 | 1495–1942 | 1609 | 38 (2%) |
 Air Canada | 2 | 1620–1626 | 1623 | n/a |
 Cathay Pacific | 2 | 1695–1750 | 1723 | 50 (3%) |
 Qantas | 29 | 1746–1747 | 1746 | 38 (2%) |
 American | 7 | — | 1746 | n/a |
 American Airlines | 50 | — | 1747 | 42 (2%) |
 Delta Air Lines | 23 | — | 1755 | 43 (2%) |
 ANA | 3 | 1857–2120 | 2011 | 0 (0%) |
 United Airlines | 1 | — | 2075 | 45 (2%) |
 Japan Airlines | 2 | 2093–2128 | 2110 | 0 (0%) |
 Turkish Airlines | 1 | — | 2376 | 10 (0%) |
 Malaysia Airlines | 1 | — | 2728 | 15 (1%) |
 Lufthansa | 4 | 1859–3563 | 2817 | 36 (1%) |
 Etihad Airways | 1 | — | 3070 | 15 (0%) |
 Qatar Airways | 1 | — | 3094 | 20 (1%) |
 Korean Air | 3 | 3246–7296 | 3326 | 15 (0%) |
 Emirates | 1 | — | 3384 | 20 (1%) |
 Swiss | 4 | 2580–3596 | 3579 | 52 (1%) |
 British Airways | 1 | — | 3700 | 80 (2%) |
Where do the best Chicago → 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 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: Chicago to Sydney (Mascot) flights
- Chicago–Sydney (Mascot) had 200 offers analyzed. Median price: USD 1747.
- BA charges 8.0x more in ancillary fees than TK — USD 80 vs USD 10 avg per booking.
- The same route priced USD 331 apart depending on where it was booked — the lowest median was USD 1435. 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 Chicago to Sydney (Mascot) cost?
- Based on 200 offers analyzed, Chicago to Sydney (Mascot) flights range from USD 1372 to USD 8289, with a median price of USD 1747. Search for your specific dates →
- What hidden fees should I expect on Chicago to Sydney (Mascot) flights?
- On average, ancillary fees (bags, seat selection) add USD 39 to the base fare on Chicago to Sydney (Mascot) flights. See itemized fees for your itinerary →
- Which airline is cheapest on Chicago to Sydney (Mascot) including all fees?
- Air New Zealand has the lowest median fare on Chicago to Sydney (Mascot) at USD 1378 (median across 19 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Chicago–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 1435. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Chicago to Sydney (Mascot) routes?
- Chicago to Sydney (Mascot) has 22 airlines competing, creating a price range from USD 1372 to USD 8289 across 200 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
22 airlines compete on this route — we check every one
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