Flights from United States to Sidney

Our cheapest offers for flights from United States a Sidney

Here you can compare cheap flights from United States to Sidney (SDY) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Sidney. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Denver
Sidney
Outbound
06/20/25
1 Stopover (BIL)
UA5257, 9K1781
16h 45min
Return
07/19/25
1 Stopover (BIL)
9K1780, UA4758
09h 55min
United Airlines, Cape Air ?
$462
Denver
Sidney
Outbound
06/20/25
1 Stopover (BIL)
UA1884, 9K1785
24h 00min
Return
07/19/25
1 Stopover (BIL)
9K1788, UA4758
05h 25min
United Airlines, Cape Air ?
$474
Denver
Sidney
Outbound
04/21/25
1 Stopover (BIL)
UA0366, 9K1785
24h 15min
Return
05/19/25
1 Stopover (BIL)
9K1776, UA0372
15h 29min
United Airlines, Cape Air ?
$477
found 3 days ago
Prices based on recent searches, subject to last-minute changes
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