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

As of August 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 many operators does momondo search for flights from Sidney Richland Municipal Airport to United States?

The number of operators available for flights from Sidney Richland Municipal Airport to United States is 1 as of August 2026.

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.

$79 Cheap Flights from Sidney, Montana to the United States in 2026

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

Round-trip

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:04 pm - 2:51 pmSDY Sidney Richland Municipal-BIL Billings Logan Intl

1h 47mnonstop

10:44 am - 12:26 pmBIL Billings Logan Intl-SDY Sidney Richland Municipal

1h 42mnonstop

$83Cape Air

Sat, Sep 5 - Sat, Sep 12

9:45 am - 11:32 amSDY Sidney Richland Municipal-BIL Billings Logan Intl

1h 47mnonstop

7:25 am - 9:07 amBIL Billings Logan Intl-SDY Sidney Richland Municipal

1h 42mnonstop

$83Cape Air

Thu, Aug 27 - Mon, Aug 31

2:54 pm - 4:44 pmSDY Sidney Richland Municipal-BIL Billings Logan Intl

1h 50mnonstop

6:06 pm - 7:44 pmBIL Billings Logan Intl-SDY Sidney Richland Municipal

1h 38mnonstop

$100Cape Air

Fri, Nov 13 - Mon, Nov 16

1:04 pm - 2:51 pmSDY Sidney Richland Municipal-BIL Billings Logan Intl

1h 47mnonstop

6:06 pm - 7:48 pmBIL Billings Logan Intl-SDY Sidney Richland Municipal

1h 42mnonstop

$100Cape Air

Wed, Aug 26 - Sun, Aug 30

9:45 am - 11:32 amSDY Sidney Richland Municipal-BIL Billings Logan Intl

1h 47mnonstop

12:35 pm - 2:17 pmBIL Billings Logan Intl-SDY Sidney Richland Municipal

1h 42mnonstop

$100Cape Air

Mon, Aug 24 - Fri, Aug 28

1:04 pm - 2:54 pmSDY Sidney Richland Municipal-BIL Billings Logan Intl

1h 50mnonstop

12:38 pm - 2:16 pmBIL Billings Logan Intl-SDY Sidney Richland Municipal

1h 38mnonstop

$100Cape Air

Mon, Nov 9 - Fri, Nov 13

7:35 am - 9:22 amSDY Sidney Richland Municipal-BIL Billings Logan Intl

1h 47mnonstop

6:06 pm - 7:48 pmBIL Billings Logan Intl-SDY Sidney Richland Municipal

1h 42mnonstop

$100Cape Air

Tue, Aug 25 - Sat, Aug 29

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Cape Air flights from Sidney, Montana to United States

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

Cape Air

Aug 14

SDY7:35 amSidney Richland Municipal

1h 47m

BIL9:22 amBillings Logan Intl

Aug 16

BIL2:54 pmBillings Logan Intl

1h 42m

SDY4:36 pmSidney Richland Municipal

$79

Cape Air

Aug 27

SDY9:45 amSidney Richland Municipal

1h 47m

BIL11:32 amBillings Logan Intl

Aug 31

BIL7:25 amBillings Logan Intl

1h 42m

SDY9:07 amSidney Richland Municipal

$83

Cape Air

Aug 18

SDY2:55 pmSidney Richland Municipal

1h 47m

BIL4:42 pmBillings Logan Intl

Aug 21

BIL6:06 pmBillings Logan Intl

1h 42m

SDY7:48 pmSidney Richland Municipal

$85

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SidneyBillings

SDY Sidney Richland Municipal - BIL Billings Logan Intl

SDYBIL

Sidney Richland Municipal

Sat 9/5

1:04 pm-2:51 pm

Nonstop1h 47m

Billings Logan Intl

Sat 9/12

10:44 am-12:26 pm

Nonstop1h 42m

$83

SidneyBillings

SDY Sidney Richland Municipal - BIL Billings Logan Intl

SDYBIL

Sidney Richland Municipal

Thu 8/27

9:45 am-11:32 am

Nonstop1h 47m

Billings Logan Intl

Mon 8/31

7:25 am-9:07 am

Nonstop1h 42m

$83

Quickest round-trip

SidneyBillings

SDY Sidney Richland Municipal - BIL Billings Logan Intl

SDYBIL

Sidney Richland Municipal

Fri 11/13

2:54 pm-4:44 pm

Nonstop1h 50m

Billings Logan Intl

Mon 11/16

6:06 pm-7:44 pm

Nonstop1h 38m

$100

SidneyBillings

SDY Sidney Richland Municipal - BIL Billings Logan Intl

SDYBIL

Sidney Richland Municipal

Wed 8/26

1:04 pm-2:51 pm

Nonstop1h 47m

Billings Logan Intl

Sun 8/30

6:06 pm-7:48 pm

Nonstop1h 42m

$100

SidneyBillings

SDY Sidney Richland Municipal - BIL Billings Logan Intl

SDYBIL

Sidney Richland Municipal

Mon 8/24

9:45 am-11:32 am

Nonstop1h 47m

Billings Logan Intl

Fri 8/28

12:35 pm-2:17 pm

Nonstop1h 42m

$100

SidneyBillings

SDY Sidney Richland Municipal - BIL Billings Logan Intl

SDYBIL

Sidney Richland Municipal

Mon 11/9

1:04 pm-2:54 pm

Nonstop1h 50m

Billings Logan Intl

Fri 11/13

12:38 pm-2:16 pm

Nonstop1h 38m

$100

SidneyBillings

SDY Sidney Richland Municipal - BIL Billings Logan Intl

SDYBIL

Sidney Richland Municipal

Tue 8/25

7:35 am-9:22 am

Nonstop1h 47m

Billings Logan Intl

Sat 8/29

6:06 pm-7:48 pm

Nonstop1h 42m

$100

Flights are sorted by cheapest round-trip flights first.

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 49% 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

Best Price Found	$50
Fastest flight time	1h 47m
Direct flights	Tue and Fri
Airports in United States	4,301 airports

The best one-way flight to United States from Sidney, Montana in the past 72 hours is $50. The best round-trip flight deal from Sidney, Montana to United States found on momondo in the last 72 hours is $96.

The fastest flight from Sidney, Montana to United States takes 1h 47m

Direct flights go from Sidney, Montana to United States on Tuesday and Friday. The only airline offering direct flights is Cape Air.

There are 4,301 airports in United States. From Sidney, Montana there are direct flights to Billings Logan Intl (BIL).

Search flight deals

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

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 many operators does momondo search for flights from Sidney Richland Municipal Airport to United States?
The number of operators available for flights from Sidney Richland Municipal Airport to United States is 1 as of August 2026.
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.