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

Prices for flights from United States to Sidney Richland Municipal Airport are refreshed on a daily basis.

How old do you have to be to fly from United States 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 from United States to Sidney Richland Municipal Airport.

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

The travel and health documents you'll need for your trip to Sidney Richland Municipal Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sidney Richland Municipal Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$416 Cheap Flights from the United States to Sidney, Montana in 2026

Find the cheapest flights from the United States to Sidney

Round-trip

One-way

Recent round-trip flight deals from the United States to Sidney

Enter your travel dates to find the best prices.

8:00 am - 8:58 amDEN Denver Intl-SDY Sidney Richland Municipal

24h 58m1 stop Billings Logan Intl

2:54 pm - 7:39 pmSDY Sidney Richland Municipal-DEN Denver Intl

4h 45m1 stop Billings Logan Intl

$416Multiple Airlines

Wed, Nov 25 - Fri, Dec 11

5:00 am - 7:44 pmLAX Los Angeles Los Angeles-SDY Sidney Richland Municipal

13h 44m2 stops Denver Intl Billings Logan Intl

1:04 pm - 10:55 pmSDY Sidney Richland Municipal-LAX Los Angeles Los Angeles

10h 51m2 stops Billings Logan Intl Denver Intl

$553Multiple Airlines

Mon, Sep 14 - Wed, Sep 16

4:50 pm - 4:32 pmLAX Los Angeles Los Angeles-SDY Sidney Richland Municipal

22h 42m2 stops Seattle/Tacoma Intl Billings Logan Intl

5:10 pm - 1:05 pmSDY Sidney Richland Municipal-LAX Los Angeles Los Angeles

20h 55m2 stops Billings Logan Intl Seattle/Tacoma Intl

$567Multiple Airlines

Fri, Sep 25 - Fri, Oct 2

2:29 pm - 12:22 pmLAX Los Angeles Los Angeles-SDY Sidney Richland Municipal

20h 53m2 stops Denver Intl Billings Logan Intl

9:25 am - 10:55 pmSDY Sidney Richland Municipal-LAX Los Angeles Los Angeles

14h 30m2 stops Billings Logan Intl Denver Intl

$568Multiple Airlines

Sun, Sep 13 - Fri, Sep 18

5:45 pm - 12:22 pmSFO San Francisco-SDY Sidney Richland Municipal

17h 37m2 stops Seattle/Tacoma Intl Billings Logan Intl

1:04 pm - 9:28 pmSDY Sidney Richland Municipal-SFO San Francisco

9h 24m2 stops Billings Logan Intl Portland

$587Multiple Airlines

Tue, Oct 6 - Tue, Oct 13

5:00 am - 7:44 pmONT Ontario-SDY Sidney Richland Municipal

13h 44m2 stops Denver Intl Billings Logan Intl

9:25 am - 8:20 pmSDY Sidney Richland Municipal-ONT Ontario

11h 55m2 stops Billings Logan Intl Denver Intl

$631Multiple Airlines

Wed, Nov 25 - Fri, Dec 11

5:00 am - 8:58 amONT Ontario-SDY Sidney Richland Municipal

26h 58m2 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

$653Multiple Airlines

Sun, Sep 13 - Fri, Sep 18

9:03 am - 7:44 pmSFO San Francisco-SDY Sidney Richland Municipal

9h 41m2 stops Portland Billings Logan Intl

2:54 pm - 8:49 amSDY Sidney Richland Municipal-SFO San Francisco

18h 55m2 stops Billings Logan Intl Seattle/Tacoma Intl

$684Multiple Airlines

Wed, Oct 7 - Wed, Oct 14

5:41 pm - 12:22 pmDEN Denver Intl-SDY Sidney Richland Municipal

18h 41m2 stops Seattle/Tacoma Intl Billings Logan Intl

7:35 am - 11:19 pmSDY Sidney Richland Municipal-DEN Denver Intl

15h 44m2 stops Billings Logan Intl Seattle/Tacoma Intl

$750Multiple Airlines

Thu, Sep 24 - Sat, Sep 26

3:59 pm - 12:22 pmLAX Los Angeles Los Angeles-SDY Sidney Richland Municipal

19h 23m2 stops Seattle/Tacoma Intl Billings Logan Intl

5:10 pm - 7:48 pmSDY Sidney Richland Municipal-LAX Los Angeles Los Angeles

27h 38m2 stops Billings Logan Intl Seattle/Tacoma Intl

$776Multiple Airlines

Thu, Oct 8 - Thu, Oct 15

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverSidney

DEN Denver Intl - SDY Sidney Richland Municipal

DENSDY

Denver Intl

Wed 11/25

8:00 am-8:58 am

1 stop24h 58m

Sidney Richland Municipal

Fri 12/11

2:54 pm-7:39 pm

1 stop4h 45m

$416

Quickest round-trip

Los AngelesSidney

LAX Los Angeles Los Angeles - SDY Sidney Richland Municipal

LAXSDY

Los Angeles Los Angeles

Mon 9/14

5:00 am-7:44 pm

2 stops13h 44m

Sidney Richland Municipal

Wed 9/16

1:04 pm-10:55 pm

2 stops10h 51m

$553

Los AngelesSidney

LAX Los Angeles Los Angeles - SDY Sidney Richland Municipal

LAXSDY

Los Angeles Los Angeles

Fri 9/25

4:50 pm-4:32 pm

2 stops22h 42m

Sidney Richland Municipal

Fri 10/2

5:10 pm-1:05 pm

2 stops20h 55m

$567

Los AngelesSidney

LAX Los Angeles Los Angeles - SDY Sidney Richland Municipal

LAXSDY

Los Angeles Los Angeles

Sun 9/13

2:29 pm-12:22 pm

2 stops20h 53m

Sidney Richland Municipal

Fri 9/18

9:25 am-10:55 pm

2 stops14h 30m

$568

San FranciscoSidney

SFO San Francisco - SDY Sidney Richland Municipal

SFOSDY

San Francisco

Tue 10/6

5:45 pm-12:22 pm

2 stops17h 37m

Sidney Richland Municipal

Tue 10/13

1:04 pm-9:28 pm

2 stops9h 24m

$587

OntarioSidney

ONT Ontario - SDY Sidney Richland Municipal

ONTSDY

Ontario

Wed 11/25

5:00 am-7:44 pm

2 stops13h 44m

Sidney Richland Municipal

Fri 12/11

9:25 am-8:20 pm

2 stops11h 55m

$631

OntarioSidney

ONT Ontario - SDY Sidney Richland Municipal

ONTSDY

Ontario

Sun 9/13

5:00 am-8:58 am

2 stops26h 58m

Sidney Richland Municipal

Fri 9/18

2:54 pm-12:50 pm

2 stops22h 56m

$653

San FranciscoSidney

SFO San Francisco - SDY Sidney Richland Municipal

SFOSDY

San Francisco

Wed 10/7

9:03 am-7:44 pm

2 stops9h 41m

Sidney Richland Municipal

Wed 10/14

2:54 pm-8:49 am

2 stops18h 55m

$684

DenverSidney

DEN Denver Intl - SDY Sidney Richland Municipal

DENSDY

Denver Intl

Thu 9/24

5:41 pm-12:22 pm

2 stops18h 41m

Sidney Richland Municipal

Sat 9/26

7:35 am-11:19 pm

2 stops15h 44m

$750

Los AngelesSidney

LAX Los Angeles Los Angeles - SDY Sidney Richland Municipal

LAXSDY

Los Angeles Los Angeles

Thu 10/8

3:59 pm-12:22 pm

2 stops19h 23m

Sidney Richland Municipal

Thu 10/15

5:10 pm-7:48 pm

2 stops27h 38m

$776

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from United States 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 5h 11m to fly from United States to Sidney, Montana if you fly out of Los Angeles (the most popular airport in United States) and into Williston (the most popular airport in Sidney, Montana). If you’re flying out of San Francisco and into Williston, then the flight time is around 6h 02m.

Cheap United States to Sidney, Montana flight deals and tips

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

Best Price Found	$416
Fastest flight time	12h 33m
Direct flights	None

The best flight deal from United States to Sidney, Montana found on momondo in the last 72 hours is $416

The fastest flight from United States to Sidney, Montana takes 12h 33m

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

Search flight deals

Frequently asked questions about flying from the United States to Sidney, Montana

When did momondo last update prices for flights from United States to Sidney Richland Municipal Airport?
Prices for flights from United States to Sidney Richland Municipal Airport are refreshed on a daily basis.
How old do you have to be to fly from United States 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 from United States to Sidney Richland Municipal Airport.
What documentation or ID do you need to fly to Sidney Richland Municipal Airport?
The travel and health documents you'll need for your trip to Sidney Richland Municipal Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sidney Richland Municipal Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from United States to Sidney, Montana?
momondo data reveals that the most frequently booked plane model on the route from United States to Sidney, Montana is Tecnam P2012 Traveler, representing 100.00% of all bookings.

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for United States to Sidney flights to just show those with flexible booking policies.

How can momondo help me find flights from United States to Sidney?

momondo provides multiple filters to help you find the best flight to Sidney from United States. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Sidney from United States 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.