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.

$230 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.

7:00 am - 7:48 pmLAX Los Angeles-SDY Sidney Richland Municipal

11h 48m2 stops Portland Billings Logan Intl

5:10 pm - 10:52 amSDY Sidney Richland Municipal-LAX Los Angeles

18h 42m2 stops Billings Logan Intl Seattle/Tacoma Intl

$453Multiple Airlines

Tue, Jan 5 - Sun, Jan 17

2:29 pm - 12:26 pmLAX Los Angeles-SDY Sidney Richland Municipal

20h 57m2 stops Denver Intl Billings Logan Intl

1:04 pm - 11:37 amSDY Sidney Richland Municipal-LAX Los Angeles

23h 33m2 stops Billings Logan Intl Denver Intl

$516Multiple Airlines

Sat, Sep 12 - Tue, Sep 15

4:50 pm - 8:58 amLAX Los Angeles-SDY Sidney Richland Municipal

15h 08m2 stops Seattle/Tacoma Intl Billings Logan Intl

1:04 pm - 8:34 pmSDY Sidney Richland Municipal-LAX Los Angeles

8h 30m2 stops Billings Logan Intl Portland

$551Multiple Airlines

Mon, Sep 14 - Tue, Sep 15

5:00 am - 4:36 pmONT Ontario-SDY Sidney Richland Municipal

10h 36m2 stops Denver Intl Billings Logan Intl

2:54 pm - 12:50 pmSDY Sidney Richland Municipal-ONT Ontario

22h 56m2 stops Billings Logan Intl Denver Intl

$556Multiple Airlines

Sat, Sep 12 - Tue, Sep 15

3:07 pm - 12:26 pmLAX Los Angeles-SDY Sidney Richland Municipal

20h 19m2 stops Seattle/Tacoma Intl Billings Logan Intl

1:04 pm - 8:11 pmSDY Sidney Richland Municipal-LAX Los Angeles

8h 07m2 stops Billings Logan Intl Portland

$558Multiple Airlines

Mon, Jan 4 - Fri, Jan 15

4:50 pm - 9:07 amLAX Los Angeles-SDY Sidney Richland Municipal

15h 17m2 stops Seattle/Tacoma Intl Billings Logan Intl

7:35 am - 5:43 pmSDY Sidney Richland Municipal-LAX Los Angeles

11h 08m2 stops Billings Logan Intl Seattle/Tacoma Intl

$563Multiple Airlines

Fri, Sep 11 - Tue, Sep 15

3:07 pm - 12:26 pmONT Ontario-SDY Sidney Richland Municipal

20h 19m2 stops Seattle/Tacoma Intl Billings Logan Intl

5:10 pm - 11:16 amSDY Sidney Richland Municipal-ONT Ontario

19h 06m2 stops Billings Logan Intl Seattle/Tacoma Intl

$568Multiple Airlines

Wed, Sep 2 - Mon, Sep 21

8:23 am - 7:44 pmSFO San Francisco-SDY Sidney Richland Municipal

10h 21m2 stops Portland Billings Logan Intl

9:25 am - 6:00 pmSDY Sidney Richland Municipal-SFO San Francisco

9h 35m2 stops Billings Logan Intl Seattle/Tacoma Intl

$599Multiple Airlines

Sat, Sep 19 - Sat, Sep 26

7:59 pm - 2:17 pmONT Ontario-SDY Sidney Richland Municipal

17h 18m2 stops Seattle/Tacoma Intl Billings Logan Intl

7:35 am - 7:03 pmSDY Sidney Richland Municipal-ONT Ontario

12h 28m2 stops Billings Logan Intl Seattle/Tacoma Intl

$609Multiple Airlines

Fri, Sep 11 - Tue, Sep 15

3:07 pm - 9:07 amONT Ontario-SDY Sidney Richland Municipal

17h 00m2 stops Seattle/Tacoma Intl Billings Logan Intl

1:04 pm - 11:16 amSDY Sidney Richland Municipal-ONT Ontario

23h 12m2 stops Billings Logan Intl Seattle/Tacoma Intl

$611Multiple Airlines

Sun, Sep 6 - Fri, Sep 18

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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 Los Angeles - SDY Sidney Richland Municipal

LAXSDY

Los Angeles

Tue 1/5

7:00 am-7:48 pm

2 stops11h 48m

Sidney Richland Municipal

Sun 1/17

5:10 pm-10:52 am

2 stops18h 42m

$453

Los AngelesSidney

LAX Los Angeles - SDY Sidney Richland Municipal

LAXSDY

Los Angeles

Sat 9/12

2:29 pm-12:26 pm

2 stops20h 57m

Sidney Richland Municipal

Tue 9/15

1:04 pm-11:37 am

2 stops23h 33m

$516

Los AngelesSidney

LAX Los Angeles - SDY Sidney Richland Municipal

LAXSDY

Los Angeles

Mon 9/14

4:50 pm-8:58 am

2 stops15h 08m

Sidney Richland Municipal

Tue 9/15

1:04 pm-8:34 pm

2 stops8h 30m

$551

OntarioSidney

ONT Ontario - SDY Sidney Richland Municipal

ONTSDY

Ontario

Sat 9/12

5:00 am-4:36 pm

2 stops10h 36m

Sidney Richland Municipal

Tue 9/15

2:54 pm-12:50 pm

2 stops22h 56m

$556

Los AngelesSidney

LAX Los Angeles - SDY Sidney Richland Municipal

LAXSDY

Los Angeles

Mon 1/4

3:07 pm-12:26 pm

2 stops20h 19m

Sidney Richland Municipal

Fri 1/15

1:04 pm-8:11 pm

2 stops8h 07m

$558

Los AngelesSidney

LAX Los Angeles - SDY Sidney Richland Municipal

LAXSDY

Los Angeles

Fri 9/11

4:50 pm-9:07 am

2 stops15h 17m

Sidney Richland Municipal

Tue 9/15

7:35 am-5:43 pm

2 stops11h 08m

$563

OntarioSidney

ONT Ontario - SDY Sidney Richland Municipal

ONTSDY

Ontario

Wed 9/2

3:07 pm-12:26 pm

2 stops20h 19m

Sidney Richland Municipal

Mon 9/21

5:10 pm-11:16 am

2 stops19h 06m

$568

Quickest round-trip

San FranciscoSidney

SFO San Francisco - SDY Sidney Richland Municipal

SFOSDY

San Francisco

Sat 9/19

8:23 am-7:44 pm

2 stops10h 21m

Sidney Richland Municipal

Sat 9/26

9:25 am-6:00 pm

2 stops9h 35m

$599

OntarioSidney

ONT Ontario - SDY Sidney Richland Municipal

ONTSDY

Ontario

Fri 9/11

7:59 pm-2:17 pm

2 stops17h 18m

Sidney Richland Municipal

Tue 9/15

7:35 am-7:03 pm

2 stops12h 28m

$609

OntarioSidney

ONT Ontario - SDY Sidney Richland Municipal

ONTSDY

Ontario

Sun 9/6

3:07 pm-9:07 am

2 stops17h 00m

Sidney Richland Municipal

Fri 9/18

1:04 pm-11:16 am

2 stops23h 12m

$611

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted 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 02m to fly from California to Sidney, Montana if you fly out of Los Angeles (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 6h 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	10h 21m
Direct flights	None

The fastest flight from California to Sidney, Montana takes 10h 21m

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.