$259+ Cheap flights from Los Angeles to Sidney, MT (LAX - SDY)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SDY
Jul 19 — Jul 261
Round-trip
1 adult, Economy
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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.Cheap flight deals from Los Angeles to Sidney
Cheapest
Best
One-way
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 June 19, 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 June 19, 2026.
This eDestinos deal was found by Cheapflights users on 6/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:56 pm
LAX
- SDY
2 stops16h 11m
Multiple Airlines
Tue 10/271:04 pm
SDY
- LAX
2 stops8h 26m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$403
This Gotogate deal was found by Cheapflights users on 6/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:00 am
LAX
- SDY
2 stops25h 07m
Multiple Airlines
Sun 8/91:04 pm
SDY
- LAX
2 stops21h 33m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$723
This Booking.com deal was found by Cheapflights users on 6/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/154:25 pm
LAX
- SDY
2 stops19h 01m
Multiple Airlines
Sun 7/125:10 pm
SDY
- LAX
2 stops20h 46m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,306
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 June 19, 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 June 19, 2026.
This eDestinos deal was found by Cheapflights users on 6/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:56 pm
LAX
- SDY
2 stops16h 11m
Multiple Airlines
Tue 10/271:04 pm
SDY
- LAX
2 stops8h 26m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$403
This Gotogate deal was found by Cheapflights users on 6/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:00 am
LAX
- SDY
2 stops25h 07m
Multiple Airlines
Sun 8/91:04 pm
SDY
- LAX
2 stops21h 33m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$723
One-way flights from Los Angeles to SidneySearch for one-way flight options from Los Angeles to Sidney. Find affordable one-way fares based on user searches. Data last updated June 19, 2026.
Search for one-way flight options from Los Angeles to Sidney. Find affordable one-way fares based on user searches. Data last updated June 19, 2026.
This Flightnetwork deal was found by Cheapflights users on 6/18. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:50 pm
LAX
- SDY
2 stops22h 46m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$259
This KAYAK deal was found by Cheapflights users on 6/18. 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.
Wed 6/247:40 pm
LAX
- SDY
2 stops23h 08m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$900
This KAYAK deal was found by Cheapflights users on 6/18. 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.
Thu 6/259:35 pm
LAX
- SDY
2 stops21h 13m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$921
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 June 19, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $403 (eDestinos) |
One-way from | $259 (Flightnetwork) |
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 June 19, 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
Tue 10/20
3:56 pm-9:07 am
2 stops16h 11m
Sidney Richland Municipal
Tue 10/27
1:04 pm-8:30 pm
2 stops8h 26m
$403
Los AngelesSidney
LAX - SDY
LAXSDY
Los Angeles
Sun 8/2
7:00 am-9:07 am
2 stops25h 07m
Sidney Richland Municipal
Sun 8/9
1:04 pm-9:37 am
2 stops21h 33m
$723
Cheapest one-way
Los AngelesSidney
LAX - SDY
LAXSDY
Los Angeles
Wed 8/19
4:50 pm-4:36 pm
2 stops22h 46m
$259
Los AngelesSidney
LAX - SDY
LAXSDY
Los Angeles
Wed 6/24
7:40 pm-7:48 pm
2 stops23h 08m
$900
Quickest one-way
Los AngelesSidney
LAX - SDY
LAXSDY
Los Angeles
Thu 6/25
9:35 pm-7:48 pm
2 stops21h 13m
$921
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
Find useful and relevant information for your journey from Los Angeles to Sidney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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