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$202+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SDY
Apr 20 — Apr 271
Mon 4/20
Mon 4/27
1 adult, Economy
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Cheap flight deals from Los Angeles to Sidney

Cheapest flights from Los Angeles to Sidney
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 March 21, 2026.

This Expedia deal was found by Cheapflights users on 3/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
LAX
-
SDY
2 stops12h 48m
Multiple Airlines
Fri 6/52:55 pm
SDY
-
LAX
2 stops10h 06m
Multiple Airlines
Deal found 3/18$568
This Expedia deal was found by Cheapflights users on 3/16. 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.
Wed 8/54:25 pm
LAX
-
SDY
2 stops15h 42m
Multiple Airlines
Sat 8/299:45 am
SDY
-
LAX
2 stops10h 24m
Multiple Airlines
Deal found 3/16$743

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 March 21, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$568
(Expedia)

One-way from

$202
(eDestinos)
Provider with most accurate pricing for Los Angeles Los Angeles-Sidney Richland Municipal flight deals.
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Provider most trusted by Cheapflights users for Los Angeles Los Angeles-Sidney Richland Municipal flights.
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From Los Angeles Los Angeles to Sidney Richland Municipal
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One-way flight from Los Angeles Los Angeles to Sidney Richland Municipal
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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 March 21, 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

Price

Cheapest round-trip
Quickest round-trip

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles Los Angeles

Sun 5/24

6:00 am-7:48 pm

2 stops12h 48m

Sidney Richland Municipal

Fri 6/5

2:55 pm-12:01 am

2 stops10h 06m

$568

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles Los Angeles

Wed 8/5

4:25 pm-9:07 am

2 stops15h 42m

Sidney Richland Municipal

Sat 8/29

9:45 am-7:09 pm

2 stops10h 24m

$743
Cheapest one-way

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles Los Angeles

Wed 4/29

7:05 am-7:51 pm

2 stops11h 46m

$202
Quickest one-way

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles Los Angeles

Sat 8/29

8:00 am-7:48 pm

2 stops10h 48m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

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.
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.

  • Can I find deals for flights from Los Angeles to Sidney that include hotel bookings?

    Yes. In addition to deals on Los Angeles to Sidney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Los Angeles to Sidney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Los Angeles to Sidney.

  • Can I find deals for business class flights from Los Angeles to Sidney?

    Yes. Cheapflights offers flight deals from Los Angeles to Sidney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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