How many flights depart from Sidney, Montana to United States on average per week?

As of February 2026, 35 flights take off from Sidney, Montana and land in United States each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

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

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

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sidney Richland Municipal Airport to United States.

What documentation or ID do you need to fly to United States?

The travel and health documents you'll need for your trip to United States 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 United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$88 Cheap Flights from Sidney to the United States in 2026

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

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5:10 pm - 7:05 pm

SDY

BIL

1h 55mnonstop

7:25 am - 9:10 am

BIL

SDY

1h 45mnonstop

$88Cape Air

ma., feb. 23 - fr., feb. 27

1:04 pm - 2:56 pm

SDY

BIL

1h 52mnonstop

6:06 pm - 7:51 pm

BIL

SDY

1h 45mnonstop

$100Cape Air

lø., apr. 18 - ma., apr. 20

Cape Air flights from Sidney, Montana to United States

Our best Cape Air deals on Sidney, Montana to United States flight tickets

Cape Air

Feb 23

SDY5:10 pmSidney Richland Municipal

1h 55m

BIL7:05 pmBillings Logan Intl

Feb 27

BIL7:25 amBillings Logan Intl

1h 45m

SDY9:10 amSidney Richland Municipal

$88

Cape Air

Feb 24

SDY5:10 pmSidney Richland Municipal

1h 55m

BIL7:05 pmBillings Logan Intl

Feb 28

BIL12:35 pmBillings Logan Intl

1h 45m

SDY2:20 pmSidney Richland Municipal

$100

momondo Fare Finder

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

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Route

Depart

Return

Price

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

ma. 2/23

5:10 pm-7:05 pm

Nonstop1h 55m

Billings Logan Intl

fr. 2/27

7:25 am-9:10 am

Nonstop1h 45m

$88

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

lø. 4/18

1:04 pm-2:56 pm

Nonstop1h 52m

Billings Logan Intl

ma. 4/20

6:06 pm-7:51 pm

Nonstop1h 45m

$100

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Sorted by cheapest first

How to get the cheapest flight ticket from Sidney, Montana to United States

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

Airlines

Other information

What airlines fly to United States?

United Airlines, Delta and Sun Country Air are the top three most popular airlines that fly to United States from Sidney, Montana according to our data. United Airlines is the first choice among our users, with 67% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 3 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

Cheap Sidney, Montana to United States flight deals and tips

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

Fastest flight time	1h 52m
Direct flights	Tue and Sun
Airports in United States	4,296 airports

The fastest flight from Sidney, Montana to United States takes 1h 52m

Direct flights go from Sidney, Montana to United States on Tuesday and Sunday. There are no airlines offering direct flights.

There are 4,296 airports in United States. From Sidney, Montana there are direct flights to Billings Logan Intl (BIL).

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When did momondo last update prices for flights from Sidney Richland Municipal Airport to United States?
Prices for flights from Sidney Richland Municipal Airport to United States are refreshed on a daily basis.
How old do you have to be to fly from Sidney Richland Municipal Airport to United States?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sidney Richland Municipal Airport to United States.
What documentation or ID do you need to fly to United States?
The travel and health documents you'll need for your trip to United States 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 United States. 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 Sidney, Montana to United States?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Sidney, Montana to United States is Tecnam P2012 Traveler (100.00% of total bookings).

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to United States from Sidney.

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

momondo does allow users to show only those flights to United States from Sidney which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sidney to United States.

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

Of course. momondo tracks the price of Sidney to United States flights. All you need is a valid email address and we will do the rest; it is that quick and easy.