The cheapest times to fly from LAX to SDY are

  • January 1st to March 4th
  • April 9th to April 29th
  • August 20th to November 18th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from LAX to SDY is late January. Prices can be as high as $1054 for Sunday flights during early to mid May, or as low as $326 for Tuesday flights around late January.


When to Fly to Sidney

Flying from Los Angeles, CA (LAX) to Sidney, MT (SDY) will usually cost between $376 to $703 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $415. Due to high demand the most expensive time to fly is early to mid May, with an average price of $748. Planning your trip to low-cost times can easily save you $333 on economy flights and even more on first-class flights. Generally, any price below $555 can be considered a good price for a round-trip LAX to SDY flight.

See below for a graph of average weekly prices for the LAX to SDY route. All prices are for round-trip tickets in USD.

LAX to SDY Flight Prices

Compared to other flights, the LAX to SDY flight is cheaper than the average and costs less than the average flight leaving from Los Angeles. The average price per mile (for a direct flight) is $0.29, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $105 (17%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $514. Return trip prices are from the SDY to LAX flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from LAX to SDY can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 3 hour 9 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from LAX to SDY while comparing.

Destination alternative #1: Minot International Airport (MOT) in Minot, ND

  • 140 miles (225 km) away from SDY
  • Usually 20.29% less expensive than SDY
  • 1-layover flights available

See LAX to MOT flights

Destination alternative #2: Dickinson – Theodore Roosevelt Regional Airport (DIK) in Dickinson, ND

  • 91 miles (146 km) away from SDY
  • Usually 13.62% less expensive than SDY
  • 1-layover flights available

See LAX to DIK flights

Destination alternative #3: Sloulin Field International Airport (ISN) in Williston, ND

  • 41 miles (66 km) away from SDY
  • Usually 6.58% less expensive than SDY
  • 1-layover flights available

See LAX to ISN flights

Destination alternative #4: L. M. Clayton Airport (OLF) in Wolf Point, MT

  • 69 miles (111 km) away from SDY
  • Usually 0.45% less expensive than SDY
  • 2-layover flights available

See LAX to OLF flights


Flight Hacking LAX to SDY

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from LAX to SDY — but Champion Traveler does!

Hack #1: Billings, MT (LAX > BIL > SDY)

  • Price for both tickets: $375
  • Average savings: $180 (32.46%)

See LAX to BIL flights


Flight Questions Answered

Still have questions about flying from LAX to SDY? We’ve got answers.

Which airlines fly this route?

You can find 6 major airlines flying this route most often: Alaska, American, Cape Air, Delta, Frontier, United, and potentially more during busy seasons.

How far away is it from Sidney Richland Regional Airport to Los Angeles International Airport?

The distance between the two airports is roughly 1203 miles or 1936 kilometers.

How long does it take to fly from LAX to SDY?

The real-world flight time for a nonstop LAX to SDY flight is about 3 hour 9 minutes.

How many flights go between Los Angeles, CA and Sidney, MT?

It depends on the day of the week and the date, but a typical day might have around 18 available flights from LAX to SDY.


Airport Location Info


Departing Airport

Origination code LAX
Origination airport name Los Angeles International Airport
City Los Angeles, CA
Country the United States
Latitude 33.9
Longitude -118.4

Return Airport

Destination code SDY
Destination airport name Sidney Richland Regional Airport
City Sidney, MT
Country the United States
Latitude 47.7
Longitude -104.2


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.