$392+ Cheap flights from California to Sidney, MT (SDY)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SDY
Feb 25 — Mar 41
1 adult, Economy
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Keep the following information in mind while searching for California to Sidney flight deals. Data was last updated February 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $392 (Expedia) |
Find flight deals from California to Sidney
Cheapest flights from California to SidneyExplore the most affordable flight options available from California to Sidney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
Explore the most affordable flight options available from California to Sidney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
This Expedia deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/227:00 amLAX - SDY
2 stops11h 40mMultiple Airlines
Sat 5/312:19 pmSDY - LAX
2 stops8h 46mMultiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$392
This Expedia deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/226:00 amONT - SDY
2 stops9h 48mMultiple Airlines
Sat 5/312:19 pmSDY - ONT
2 stops9h 00mMultiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$476
Find flights from California to Sidney within your budget
Customize your flight search to find flights from California to Sidney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
Fly from
California
Fly to
Sidney
Route
Depart
Return
Price
Los AngelesSidney
LAX - SDY
LAXSDY
Los Angeles
Tue 4/22
7:00 am-7:40 pm
2 stops11h 40m
Sidney Richland Municipal
Sat 5/3
12:19 pm-8:05 pm
2 stops8h 46m
$392
OntarioSidney
ONT - SDY
ONTSDY
Ontario
Tue 4/22
6:00 am-4:48 pm
2 stops9h 48m
Sidney Richland Municipal
Sat 5/3
12:19 pm-8:19 pm
2 stops9h 00m
$476
Best time to book a flight from California to Sidney
Have a flexible travel schedule? Discover the best time to fly to Sidney from California with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Travel insights for flights from California to Sidney
Get recent, data-driven insights about flights from California to Sidney including ideal travel times, pricing trends, and more.
Rainfall in Sidney by month
Plan your trip to Sidney by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Sidney, Montana ranges from 0.0 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Sidney, Montana when rainfall is around 0.0 in.
Temperature in Sidney by month
Plan your trip to Sidney by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Sidney, Montana, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 10.4 F).