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.

$260 Cheap Flights from the United States to Sidney, Montana in 2026

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0 bags

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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.

4:50 pm - 9:07 am

LAX

SDY

15h 17m

2 stops

9:45 am - 10:23 pm

SDY

LAX

13h 38m

2 stops

$518Multiple Airlines

Fri, Sep 11 - Mon, Sep 14

7:10 am - 12:26 pm

ONT

SDY

28h 16m

2 stops

1:04 pm - 11:16 am

SDY

ONT

23h 12m

2 stops

$548Multiple Airlines

Fri, Sep 11 - Mon, Sep 14

7:03 am - 7:48 pm

LAX

SDY

11h 45m

2 stops

1:04 pm - 10:23 pm

SDY

LAX

10h 19m

2 stops

$552Multiple Airlines

Fri, Sep 11 - Sat, Sep 19

6:00 am - 4:36 pm

LAX

SDY

9h 36m

2 stops

1:04 pm - 12:05 am

SDY

LAX

12h 01m

2 stops

$622Multiple Airlines

Thu, Jul 9 - Tue, Jul 14

4:25 pm - 9:07 am

LAX

SDY

15h 42m

2 stops

2:55 pm - 8:09 pm

SDY

LAX

30h 14m

2 stops

$662Multiple Airlines

Wed, Jul 1 - Wed, Jul 8

6:02 am - 4:36 pm

ONT

SDY

9h 34m

2 stops

7:35 am - 4:30 pm

SDY

ONT

9h 55m

2 stops

$670Multiple Airlines

Thu, Jul 9 - Tue, Jul 14

5:58 pm - 7:48 pm

DEN

SDY

25h 50m

2 stops

5:10 pm - 8:10 pm

SDY

DEN

27h 00m

2 stops

$1,034Multiple Airlines

Wed, May 27 - Thu, Jun 18

momondo Fare Finder

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

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles

Fri 9/11

4:50 pm-9:07 am

2 stops15h 17m

Sidney Richland Municipal

Mon 9/14

9:45 am-10:23 pm

2 stops13h 38m

$518

OntarioSidney

ONT - SDY

ONTSDY

Ontario

Fri 9/11

7:10 am-12:26 pm

2 stops28h 16m

Sidney Richland Municipal

Mon 9/14

1:04 pm-11:16 am

2 stops23h 12m

$548

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles

Fri 9/11

7:03 am-7:48 pm

2 stops11h 45m

Sidney Richland Municipal

Sat 9/19

1:04 pm-10:23 pm

2 stops10h 19m

$552

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles

Thu 7/9

6:00 am-4:36 pm

2 stops9h 36m

Sidney Richland Municipal

Tue 7/14

1:04 pm-12:05 am

2 stops12h 01m

$622

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles

Wed 7/1

4:25 pm-9:07 am

2 stops15h 42m

Sidney Richland Municipal

Wed 7/8

2:55 pm-8:09 pm

2 stops30h 14m

$662

Quickest round-trip

OntarioSidney

ONT - SDY

ONTSDY

Ontario

Thu 7/9

6:02 am-4:36 pm

2 stops9h 34m

Sidney Richland Municipal

Tue 7/14

7:35 am-4:30 pm

2 stops9h 55m

$670

DenverSidney

DEN - SDY

DENSDY

Denver Intl

Wed 5/27

5:58 pm-7:48 pm

2 stops25h 50m

Sidney Richland Municipal

Thu 6/18

5:10 pm-8:10 pm

2 stops27h 00m

$1,034

Cheapest one-way

Quickest one-way

DenverSidney

DEN - SDY

DENSDY

Denver Intl

Sun 6/28

10:29 pm-12:26 pm

2 stops13h 57m

$260

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 44m to fly from United States to Sidney, Montana if you fly out of New York (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 5h 46m.

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

Fastest flight time	9h 02m
Direct flights	None

The fastest flight from United States to Sidney, Montana takes 9h 02m

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

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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.