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

Prices for flights from California to Sidney Richland Municipal Airport were last updated today.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Sidney Richland Municipal Airport.

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

The required travel and health documents for your Sidney Richland Municipal Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sidney Richland Municipal Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$233 Cheap Flights from California to Sidney, Montana in 2026

Find the cheapest flights from California to Sidney

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 7:48 pm

LAX

SDY

12h 48m

2 stops

5:10 pm - 12:27 pm

SDY

LAX

20h 17m

2 stops

$458Multiple Airlines

Tue, Aug 18 - Tue, Aug 25

2:29 pm - 8:12 am

LAX

SDY

16h 43m

2 stops

6:52 pm - 1:17 pm

SDY

LAX

19h 25m

2 stops

$464Multiple Airlines

Wed, Aug 19 - Sun, Aug 23

7:23 am - 7:48 pm

SFO

SDY

11h 25m

2 stops

5:10 pm - 11:44 pm

SDY

SFO

7h 34m

2 stops

$518Multiple Airlines

Sat, Aug 29 - Fri, Oct 9

2:30 pm - 12:26 pm

LAX

SDY

20h 56m

2 stops

9:45 am - 10:55 pm

SDY

LAX

14h 10m

2 stops

$547Multiple Airlines

Mon, Jul 6 - Thu, Jul 9

4:25 pm - 4:36 pm

SFO

SDY

23h 11m

3 stops

9:45 am - 10:55 pm

SDY

SFO

14h 10m

2 stops

$689Multiple Airlines

Sat, Aug 29 - Fri, Oct 9

5:26 pm - 9:07 am

ONT

SDY

14h 41m

2 stops

7:35 am - 8:36 pm

SDY

ONT

14h 01m

2 stops

$798Multiple Airlines

Mon, Jul 6 - Thu, Jul 9

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Use the filters below to find and compare flights from California to Sidney, Montana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles

Tue 8/18

6:00 am-7:48 pm

2 stops12h 48m

Sidney Richland Municipal

Tue 8/25

5:10 pm-12:27 pm

2 stops20h 17m

$458

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles

Wed 8/19

2:29 pm-8:12 am

2 stops16h 43m

Sidney Richland Municipal

Sun 8/23

6:52 pm-1:17 pm

2 stops19h 25m

$464

Quickest round-trip

San FranciscoSidney

SFO - SDY

SFOSDY

San Francisco

Sat 8/29

7:23 am-7:48 pm

2 stops11h 25m

Sidney Richland Municipal

Fri 10/9

5:10 pm-11:44 pm

2 stops7h 34m

$518

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles

Mon 7/6

2:30 pm-12:26 pm

2 stops20h 56m

Sidney Richland Municipal

Thu 7/9

9:45 am-10:55 pm

2 stops14h 10m

$547

San FranciscoSidney

SFO - SDY

SFOSDY

San Francisco

Sat 8/29

4:25 pm-4:36 pm

3 stops23h 11m

Sidney Richland Municipal

Fri 10/9

9:45 am-10:55 pm

2 stops14h 10m

$689

OntarioSidney

ONT - SDY

ONTSDY

Ontario

Mon 7/6

5:26 pm-9:07 am

2 stops14h 41m

Sidney Richland Municipal

Thu 7/9

7:35 am-8:36 pm

2 stops14h 01m

$798

Cheapest one-way

Quickest one-way

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles

Tue 8/18

7:00 am-7:48 pm

2 stops11h 48m

$233

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles

Tue 8/18

6:05 pm-7:48 pm

3 stops24h 43m

$550

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from California to Sidney, Montana

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to Sidney, Montana?

On average, it takes 6h 53m to fly from California to Sidney, Montana if you fly out of Santa Ana (the most popular airport in California) and into Williston (the most popular airport in Sidney, Montana). If you’re flying out of San Diego and into Williston, then the flight time is around 7h 06m.

Cheap California to Sidney, Montana flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Sidney, Montana

Fastest flight time	11h 25m
Direct flights	None

The fastest flight from California to Sidney, Montana takes 11h 25m

There are no direct flights from California to Sidney, Montana. There are no popular flight routes from California to Sidney, Montana.

Search flight deals

Frequently asked questions about flying from California to Sidney, Montana

When did momondo last update prices for flights from California to Sidney Richland Municipal Airport?
Prices for flights from California to Sidney Richland Municipal Airport were last updated today.
How old do you have to be to fly from California to Sidney Richland Municipal Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Sidney Richland Municipal Airport.
What documentation or ID do you need to fly to Sidney Richland Municipal Airport?
The required travel and health documents for your Sidney Richland Municipal Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sidney Richland Municipal Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

Finding the right flight to Sidney from California is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sidney quick and easy, saving you time and money.

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

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

How can momondo help me find flights from California to Sidney?

Once you have performed a search for California to Sidney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Sidney from California are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.