$631+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SDY
Jun 4 — Jun 111
Round-trip
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Los Angeles to Sidney
Cheapest
Best
Last-minute
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 May 5, 2026.
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 May 5, 2026.
This KAYAK deal was found by Cheapflights users on 5/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:00 am
LAX
- SDY
2 stops11h 48m
Multiple Airlines
Thu 8/62:55 pm
SDY
- LAX
2 stops10h 10m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$631
This Expedia deal was found by Cheapflights users on 5/2. 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 5/127:05 am
LAX
- SDY
2 stops8h 31m
Multiple Airlines
Wed 5/209:45 am
SDY
- LAX
2 stops15h 16m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$874
Best flights from Los Angeles to SidneyDiscover carefully curated flight deals from Los Angeles to Sidney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 5, 2026.
Discover carefully curated flight deals from Los Angeles to Sidney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 5, 2026.
This KAYAK deal was found by Cheapflights users on 5/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:00 am
LAX
- SDY
2 stops11h 48m
Multiple Airlines
Thu 8/62:55 pm
SDY
- LAX
2 stops10h 10m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$631
Last-minute flights from Los Angeles to SidneyDiscover last-minute flight deals from Los Angeles to Sidney. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from Los Angeles to Sidney. Data last updated May 5, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 5/2. 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 5/127:05 am
LAX
- SDY
2 stops8h 31m
Multiple Airlines
Wed 5/209:45 am
SDY
- LAX
2 stops15h 16m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$874
Find 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 May 5, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $631 (KAYAK) |
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 May 5, 2026.
Use the filters below to find and compare flights from Los Angeles to Sidney that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Los AngelesSidney
LAX - SDY
LAXSDY
Los Angeles
Sat 8/1
7:00 am-7:48 pm
2 stops11h 48m
Sidney Richland Municipal
Thu 8/6
2:55 pm-12:05 am
2 stops10h 10m
$631
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Los Angeles-Sidney, Montana flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Los Angeles-Sidney, Montana flight deals on Cheapflights vs. Expedia <90% 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 Expedia the most. Expedia 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.
LAX-SDY
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.
Related info for your journey
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