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Flights to Sidney Richland Municipal

$445 Cheap flights to Sidney, Montana

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight to Sidney, Montana departing on 3/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from the United States to Sidney, Montana

Cheap round-trip flights

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Multiple Airlines Logo
7:00 am - 7:51 pmLAX-SDY
11h 51m2 stops
Multiple Airlines Logo
7:35 am - 8:27 pmSDY-LAX
13h 52m2 stops
$445Multiple Airlines
Find Deal
Sat, Mar 14 - Mon, Mar 23
Multiple Airlines Logo
7:00 am - 4:39 pmLAX-SDY
8h 39m2 stops
Multiple Airlines Logo
9:45 am - 8:27 pmSDY-LAX
11h 42m2 stops
$480Multiple Airlines
Find Deal
Fri, Mar 13 - Mon, Mar 23
Multiple Airlines Logo
3:42 pm - 9:07 amDEN-SDY
17h 25m2 stops
Multiple Airlines Logo
7:35 am - 11:59 pmSDY-DEN
16h 24m2 stops
$803Multiple Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8

momondo Fare Finder

 
Locate flights to Sidney Richland Municipal that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on November 20, 2025.
Use the filters below to find and compare flights to Sidney, Montana that are best for you.

Fly from

Route

Depart

Return

Price

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles

Sat 3/14

7:00 am-7:51 pm

2 stops11h 51m

Sidney Richland Municipal

Mon 3/23

7:35 am-8:27 pm

2 stops13h 52m

$445

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles

Fri 3/13

7:00 am-4:39 pm

2 stops8h 39m

Sidney Richland Municipal

Mon 3/23

9:45 am-8:27 pm

2 stops11h 42m

$480

DenverSidney

DEN - SDY

DENSDY

Denver Intl

Thu 12/4

3:42 pm-9:07 am

2 stops17h 25m

Sidney Richland Municipal

Mon 12/8

7:35 am-11:59 pm

2 stops16h 24m

$803

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Sidney, Montana flight deals and tips

Summary info about Sidney, Montana flight prices, duration and airlines

Best Round-Trip Price

$445

Fastest flight time

8h 39m
The best round-trip flight price to Sidney from United States in the last 72 hours is $445 (Los Angeles to Sidney Richland Municipal).
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The fastest flight to Sidney from United States takes 8h 39m (Los Angeles to Sidney Richland Municipal).
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Frequently asked questions about flying to Sidney, Montana

When are the weather conditions best for skiing in Sidney?

Typically, the best ski conditions are found in January, when the temperatures are lower and there is a chance of fresh snow. Popular places to ski in the Sidney area include Big Sky Resort. Alternatively, Whitefish Mountain Ski Resort is also a very popular ski mountain in the Sidney area.

Is there an alternative airport near Sidney, Montana?

Sidney Richland Municipal Airport, Glendive Mont Dawson Airport, Wolf Point Airport or Dickinson Airport can be an alternative airport used for travel to Sidney, Montana.

Is there a cheaper alternative to flying into Sidney, Montana?

Sidney Richland Municipal Airport has an average price of $77 per person and is typically the cheapest airport to fly into when visiting Sidney, Montana. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

When did momondo last update prices for flights to Sidney Richland Municipal Airport?

Prices for flights to Sidney Richland Municipal Airport refresh daily.

How old do you have to be to fly to Sidney Richland Municipal Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Sidney Richland Municipal Airport.

What documentation or ID do you need to fly to Sidney Richland Municipal Airport?

The necessary travel and health documents for your Sidney Richland Municipal Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to Sidney?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to Sidney. Millions of users trust and use momondo every year so you are in good company.

Can I find flights to Sidney with flexible booking policies on momondo?

Yes. All flights to Sidney on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights to Sidney?

Once all potential Sidney flight options are in front of you momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight to Sidney right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sidney. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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