$497+ Cheap flights from Los Angeles to Sidney, MT (LAX - 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SDY
Nov 28 — Dec 51
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Find flight deals from Los Angeles to Sidney
Cheapest flights from Los Angeles to SidneyExplore the most affordable flight options available from Los Angeles to Sidney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.
Explore the most affordable flight options available from Los Angeles to Sidney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.
This United deal was found by Cheapflights users on 10/28. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:00 amLAX - SDY
2 stops10h 45mMultiple Airlines
Mon 12/81:04 pmSDY - LAX
2 stops25h 01mMultiple Airlines
Deal found 10/28![Multiple Airlines logo]()
$497
This United deal was found by Cheapflights users on 10/29. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/292:33 pmLAX - SDY
2 stops17h 34mMultiple Airlines
Wed 11/52:42 pmSDY - LAX
2 stops9h 05mMultiple Airlines
Deal found 10/29![Multiple Airlines logo]()
$628
Cheap flight deals from Los Angeles to Sidney
Discover tips and strategies to find the most affordable flight options for your journey from Los Angeles (LAX) to Sidney (SDY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 29, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $497 (United) |
Cheapflights Fare Finder
Customize your flight search to find flights from Los Angeles 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 October 29, 2025.
Use the filters below to find and compare flights from Los Angeles to Sidney that are best for you.
Fly from
Los Angeles
Fly to
Sidney
Route
Depart
Return
Price
Los AngelesSidney
LAX - SDY
LAXSDY
Los Angeles
Mon 11/24
5:00 am-4:45 pm
2 stops10h 45m
Sidney Richland Municipal
Mon 12/8
1:04 pm-1:05 pm
2 stops25h 01m
$497
Compare providers for flights from Los Angeles to Sidney
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Los Angeles to Sidney in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Los Angeles-Sidney, Montana flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Los Angeles-Sidney, Montana flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Los Angeles-Sidney, Montana flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Los Angeles-Sidney, Montana flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Los Angeles-Sidney, Montana flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Los Angeles to Sidney
Have a flexible travel schedule? Discover the best time to fly to Sidney from Los Angeles 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.