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Flights to Sidney Richland Municipal

$463 Cheap flights to Sidney, Montana

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Sidney, Montana departing on 8/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:25 pm - 9:07 am
LAX
-
SDY
15h 42m
2 stops
Multiple Airlines Logo
2:55 pm - 12:05 am
SDY
-
LAX
10h 10m
2 stops
$565Multiple Airlines
Wed, Jul 22 - Tue, Aug 11
Multiple Airlines Logo
4:25 pm - 9:07 am
LAX
-
SDY
15h 42m
2 stops
Multiple Airlines Logo
1:04 pm - 12:05 am
SDY
-
LAX
12h 01m
2 stops
$594Multiple Airlines
Thu, Jul 23 - Tue, Aug 11
Multiple Airlines Logo
4:25 pm - 9:07 am
LAX
-
SDY
15h 42m
2 stops
Multiple Airlines Logo
2:55 pm - 12:05 am
SDY
-
LAX
10h 10m
2 stops
$607Multiple Airlines
Wed, Jul 22 - Thu, Aug 13
Multiple Airlines Logo
6:00 am - 7:48 pm
LAX
-
SDY
12h 48m
2 stops
Multiple Airlines Logo
7:35 am - 6:46 pm
SDY
-
LAX
12h 11m
2 stops
$620Multiple Airlines
Tue, Aug 18 - Thu, Aug 27
Multiple Airlines Logo
4:25 pm - 9:07 am
LAX
-
SDY
15h 42m
2 stops
Multiple Airlines Logo
1:04 pm - 12:05 am
SDY
-
LAX
12h 01m
2 stops
$627Multiple Airlines
Wed, Jul 22 - Fri, Aug 14
Multiple Airlines Logo
4:25 pm - 9:07 am
LAX
-
SDY
15h 42m
2 stops
Multiple Airlines Logo
2:55 pm - 12:05 am
SDY
-
LAX
10h 10m
2 stops
$636Multiple Airlines
Thu, Jul 23 - Thu, Aug 13
Multiple Airlines Logo
6:56 pm - 2:17 pm
DEN
-
SDY
19h 21m
2 stops
Multiple Airlines Logo
5:10 pm - 9:36 pm
SDY
-
DEN
28h 26m
2 stops
$637Multiple Airlines
Fri, Oct 9 - Mon, Oct 12
Multiple Airlines Logo
4:25 pm - 9:07 am
LAX
-
SDY
15h 42m
2 stops
Multiple Airlines Logo
2:55 pm - 12:05 am
SDY
-
LAX
10h 10m
2 stops
$657Multiple Airlines
Wed, Jul 22 - Tue, Aug 4
Multiple Airlines Logo
6:02 am - 4:36 pm
DEN
-
SDY
10h 34m
2 stops
Multiple Airlines Logo
7:35 am - 8:13 pm
SDY
-
DEN
12h 38m
2 stops
$947Multiple Airlines
Tue, Jul 21 - Sat, Jul 25
Multiple Airlines Logo
6:03 am - 7:48 pm
SFO
-
SDY
12h 45m
2 stops
Multiple Airlines Logo
1:04 pm - 11:59 pm
SDY
-
SFO
11h 55m
2 stops
$960Multiple Airlines
Wed, Jul 22 - Sun, Jul 26

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 July 9, 2026.
Use the filters below to find and compare flights to Sidney, Montana that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles Los Angeles

Wed 7/22

4:25 pm-9:07 am

2 stops15h 42m

Sidney Richland Municipal

Tue 8/11

2:55 pm-12:05 am

2 stops10h 10m

$565

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles Los Angeles

Thu 7/23

4:25 pm-9:07 am

2 stops15h 42m

Sidney Richland Municipal

Tue 8/11

1:04 pm-12:05 am

2 stops12h 01m

$594

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles Los Angeles

Wed 7/22

4:25 pm-9:07 am

2 stops15h 42m

Sidney Richland Municipal

Thu 8/13

2:55 pm-12:05 am

2 stops10h 10m

$607

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles Los Angeles

Tue 8/18

6:00 am-7:48 pm

2 stops12h 48m

Sidney Richland Municipal

Thu 8/27

7:35 am-6:46 pm

2 stops12h 11m

$620

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles Los Angeles

Wed 7/22

4:25 pm-9:07 am

2 stops15h 42m

Sidney Richland Municipal

Fri 8/14

1:04 pm-12:05 am

2 stops12h 01m

$627

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles Los Angeles

Thu 7/23

4:25 pm-9:07 am

2 stops15h 42m

Sidney Richland Municipal

Thu 8/13

2:55 pm-12:05 am

2 stops10h 10m

$636

DenverSidney

DEN - SDY

DENSDY

Denver Intl

Fri 10/9

6:56 pm-2:17 pm

2 stops19h 21m

Sidney Richland Municipal

Mon 10/12

5:10 pm-9:36 pm

2 stops28h 26m

$637

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles Los Angeles

Wed 7/22

4:25 pm-9:07 am

2 stops15h 42m

Sidney Richland Municipal

Tue 8/4

2:55 pm-12:05 am

2 stops10h 10m

$657
Quickest round-trip

DenverSidney

DEN - SDY

DENSDY

Denver Intl

Tue 7/21

6:02 am-4:36 pm

2 stops10h 34m

Sidney Richland Municipal

Sat 7/25

7:35 am-8:13 pm

2 stops12h 38m

$947

San FranciscoSidney

SFO - SDY

SFOSDY

San Francisco

Wed 7/22

6:03 am-7:48 pm

2 stops12h 45m

Sidney Richland Municipal

Sun 7/26

1:04 pm-11:59 pm

2 stops11h 55m

$960

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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Sidney, Montana flights insights and trends

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

On average, it takes 6h 42m to fly from United States to Sidney, Montana if you fly out of Los Angeles Los Angeles (the most popular airport in United States) and into Williston Basin Intl (the most popular airport in Sidney, Montana). If you’re flying out of San Francisco and into Williston Basin Intl, then the flight time is around 14h 58m.

Cheap Sidney, Montana flight deals and tips

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

Best One-Way Price

$463

Best Round-Trip Price

$565

Fastest flight time

14h 29m
The best one-way flight price to Sidney from United States in the last 5 days is $463 (San Francisco to Sidney Richland Municipal).
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The best round-trip flight price to Sidney from United States in the last 5 days is $565 (Los Angeles Los Angeles to Sidney Richland Municipal).
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The fastest flight to Sidney from United States takes 14h 29m (San Francisco to Sidney Richland Municipal).
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Frequently asked questions about flying to Sidney, Montana

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.

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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