Flights Detroit → Sydney (Mascot)
As of October 2026, economy flights from Detroit to Sydney (Mascot) have a typical range USD 1436–2388, median USD 1436. Full range across all 21 offers: USD 1295–2524. We found 33% of 21 offers from budget carriers (around USD 1436) and 67% from full-service carriers (around USD 1436).
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: Detroit → Sydney (Mascot)
Based on 21 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Detroit → Sydney (Mascot)
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| United | Included | USD 35 | — |
| Delta | Included | USD 35 | — |
| Qantas Airways | Included | Included | — |
| Korean Air | Included | Included | — |
| American Airlines | Included | Included | — |
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 Detroit to Sydney (Mascot) cost?
Based on 21 offers · October 2026
Detroit to Sydney (Mascot) flights ranged from USD 1295 to USD 2524 across 21 offers analyzed in October 2026. Two fare clusters detected: budget fares around 1479 and premium fares around 2340 The chart below shows how prices distributed across all 21 offers.
What hidden fees do Detroit to Sydney (Mascot) flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Detroit to Sydney (Mascot) routes. The breakdown below is based on 21 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| UA | 38 | 3% |
| DL | 30 | 2% |
| QF | 15 | 1% |
| KE | 15 | 1% |
| AA | 10 | 0% |
United Airlines: base ~USD 1398 + fees USD 38 = ~USD 1436 total. American Airlines: base ~USD 2378 + fees USD 10 = ~USD 2388 total.
United Airlines's USD 38 ancillary fees narrow the gap with American Airlines's lower-fee model — the USD 980 base difference shrinks to USD 952 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 Detroit to Sydney (Mascot)?
7 airlines flew Detroit 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) |
|---|---|---|---|---|
 AA|CX|F9 | 1 | — | 1295 | n/a |
 AA|CX|VA|F9 | 1 | — | 1407 | n/a |
 United Airlines | 5 | — | 1436 | 38 (3%) |
 Delta Air Lines | 7 | 1436–1437 | 1436 | 30 (2%) |
 Qantas | 1 | — | 1593 | 15 (1%) |
 Korean Air | 4 | 2254–2494 | 2374 | 15 (1%) |
 American Airlines | 2 | — | 2388 | 10 (0%) |
Where do the best Detroit → 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: Detroit to Sydney (Mascot) flights
- Detroit–Sydney (Mascot) had 21 offers analyzed. Median price: USD 1436.
- UA charges 3.8x more in ancillary fees than AA — USD 38 vs USD 10 avg per booking.
- The same route priced USD 220 apart depending on where it was booked — the lowest median was USD 1295. 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 Detroit to Sydney (Mascot) cost?
- Based on 21 offers analyzed, Detroit to Sydney (Mascot) flights range from USD 1295 to USD 2524, with a median price of USD 1436. Search for your specific dates →
- What hidden fees should I expect on Detroit to Sydney (Mascot) flights?
- On average, ancillary fees (bags, seat selection) add USD 26 to the base fare on Detroit to Sydney (Mascot) flights. See itemized fees for your itinerary →
- Which airline is cheapest on Detroit to Sydney (Mascot) including all fees?
- AA|CX|F9 has the lowest median fare on Detroit to Sydney (Mascot) at USD 1295 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Detroit–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 1295. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Detroit to Sydney (Mascot) routes?
- Detroit to Sydney (Mascot) has 7 airlines competing, creating a price range from USD 1295 to USD 2524 across 21 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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