$230+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SDY
syys 6 — syys 131
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Los Angeles to Sidney with Cheapflights
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
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 elokuu 7, 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 elokuu 7, 2026.
This United deal was found by Cheapflights users on 8/6. 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.
la 9/122:29 pm -
2 stops20h 57m
ti 9/151:04 pm -
2 stops23h 33m
Deal found 8/6![Multiple Airlines logo]()
$516
This KAYAK deal was found by Cheapflights users on 8/6. 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.
ma 9/144:50 pm -
2 stops15h 08m
ti 9/151:04 pm -
2 stops8h 30m
Deal found 8/6![Multiple Airlines logo]()
$551
This KAYAK deal was found by Cheapflights users on 8/6. 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.
pe 9/114:50 pm -
2 stops15h 17m
ti 9/157:35 am -
2 stops11h 08m
Deal found 8/6![Multiple Airlines logo]()
$563
This United deal was found by Cheapflights users on 8/3. 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.
la 9/124:15 pm -
2 stops19h 11m
su 9/201:04 pm -
2 stops21h 28m
Deal found 8/3![Multiple Airlines logo]()
$567
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 elokuu 7, 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 elokuu 7, 2026.
This United deal was found by Cheapflights users on 8/6. 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.
la 9/122:29 pm -
2 stops20h 57m
ti 9/151:04 pm -
2 stops23h 33m
Deal found 8/6![Multiple Airlines logo]()
$516
This KAYAK deal was found by Cheapflights users on 8/6. 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.
ma 9/144:50 pm -
2 stops15h 08m
ti 9/151:04 pm -
2 stops8h 30m
Deal found 8/6![Multiple Airlines logo]()
$551
This KAYAK deal was found by Cheapflights users on 8/6. 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.
pe 9/114:50 pm -
2 stops15h 17m
ti 9/157:35 am -
2 stops11h 08m
Deal found 8/6![Multiple Airlines logo]()
$563
This United deal was found by Cheapflights users on 8/3. 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.
la 9/124:15 pm -
2 stops19h 11m
su 9/201:04 pm -
2 stops21h 28m
Deal found 8/3![Multiple Airlines logo]()
$567
Last-minute flights from Los Angeles to SidneyDiscover last-minute flight deals from Los Angeles to Sidney. Data last updated elokuu 7, 2026 and is based on user searches.
Discover last-minute flight deals from Los Angeles to Sidney. Data last updated elokuu 7, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 8/6. 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.
pe 9/114:50 pm -
2 stops15h 17m
ti 9/157:35 am -
2 stops11h 08m
Deal found 8/6![Multiple Airlines logo]()
$563
This United deal was found by Cheapflights users on 8/6. 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.
la 9/122:29 pm -
2 stops20h 57m
ti 9/151:04 pm -
2 stops23h 33m
Deal found 8/6![Multiple Airlines logo]()
$516
This United deal was found by Cheapflights users on 8/3. 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.
la 9/124:15 pm -
2 stops19h 11m
su 9/201:04 pm -
2 stops21h 28m
Deal found 8/3![Multiple Airlines logo]()
$567
This KAYAK deal was found by Cheapflights users on 8/6. 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.
ma 9/144:50 pm -
2 stops15h 08m
ti 9/151:04 pm -
2 stops8h 30m
Deal found 8/6![Multiple Airlines logo]()
$551
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 elokuu 7, 2026.
Search for one-way flight options from Los Angeles to Sidney. Find affordable one-way fares based on user searches. Data last updated elokuu 7, 2026.
This United deal was found by Cheapflights users on 8/5. 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.
ti 1/127:00 am -
2 stops8h 36m
Deal found 8/5![Multiple Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
su 8/3010:27 pm -
2 stops33h 40m
Deal found 8/5![Multiple Airlines logo]()
$259
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 elokuu 7, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $516 (United) |
One-way from | $230 (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 elokuu 7, 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
Los AngelesSidney
LAX Los Angeles - SDY Sidney Richland Municipal
LAXSDY
Los Angeles
la 9/12
2:29 pm-12:26 pm
2 stops20h 57m
Sidney Richland Municipal
ti 9/15
1:04 pm-11:37 am
2 stops23h 33m
$516
Quickest round-trip
Los AngelesSidney
LAX Los Angeles - SDY Sidney Richland Municipal
LAXSDY
Los Angeles
ma 9/14
4:50 pm-8:58 am
2 stops15h 08m
Sidney Richland Municipal
ti 9/15
1:04 pm-8:34 pm
2 stops8h 30m
$551
Los AngelesSidney
LAX Los Angeles - SDY Sidney Richland Municipal
LAXSDY
Los Angeles
pe 9/11
4:50 pm-9:07 am
2 stops15h 17m
Sidney Richland Municipal
ti 9/15
7:35 am-5:43 pm
2 stops11h 08m
$563
Los AngelesSidney
LAX Los Angeles - SDY Sidney Richland Municipal
LAXSDY
Los Angeles
la 9/12
4:15 pm-12:26 pm
2 stops19h 11m
Sidney Richland Municipal
su 9/20
1:04 pm-9:32 am
2 stops21h 28m
$567
Cheapest one-way
Quickest one-way
Los AngelesSidney
LAX Los Angeles - SDY Sidney Richland Municipal
LAXSDY
Los Angeles
ti 1/12
7:00 am-4:36 pm
2 stops8h 36m
$230
Los AngelesSidney
LAX Los Angeles - SDY Sidney Richland Municipal
LAXSDY
Los Angeles
su 8/30
10:27 pm-9:07 am
2 stops33h 40m
$259
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Los Angeles
Popular flights
Sidney flight routes