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

As of November 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 November 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.

$50 Cheap Flights from Sidney, Montana to the United States in 2026/27

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

Round-trip

One-way

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:10 pm - 7:00 pmSDY Sidney Richland Municipal-BIL Billings Logan Intl

1h 50mnonstop

10:44 am - 12:22 pmBIL Billings Logan Intl-SDY Sidney Richland Municipal

1h 38mnonstop

$84Cape Air

Thu, Nov 19 - Mon, Nov 23

5:10 pm - 7:00 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

$84Cape Air

Fri, Nov 20 - Sat, Nov 21

5:10 pm - 7:00 pmSDY Sidney Richland Municipal-BIL Billings Logan Intl

1h 50mnonstop

7:20 am - 8:58 amBIL Billings Logan Intl-SDY Sidney Richland Municipal

1h 38mnonstop

$100Cape Air

Fri, Nov 20 - Tue, Nov 24

5:10 pm - 8:23 amSDY Sidney Richland Municipal-SEA Seattle/Tacoma Intl

16h 13m1 stop Billings Logan Intl

8:20 am - 4:33 pmSEA Seattle/Tacoma Intl-SDY Sidney Richland Municipal

7h 13m1 stop Billings Logan Intl

$489Multiple Airlines

Wed, Dec 2 - Sat, Jan 2

5:10 pm - 8:23 amSDY Sidney Richland Municipal-SEA Seattle/Tacoma Intl

16h 13m1 stop Billings Logan Intl

8:20 am - 4:33 pmSEA Seattle/Tacoma Intl-SDY Sidney Richland Municipal

7h 13m1 stop Billings Logan Intl

$499Multiple Airlines

Wed, Dec 2 - Sat, Jan 2

5:10 pm - 7:10 pmSDY Sidney Richland Municipal-LAS Las Vegas Harry Reid Intl

27h 00m1 stop Billings Logan Intl

2:00 pm - 8:58 amLAS Las Vegas Harry Reid Intl-SDY Sidney Richland Municipal

17h 58m1 stop Billings Logan Intl

$528Multiple Airlines

Thu, Nov 19 - Mon, Nov 23

2:54 pm - 8:23 amSDY Sidney Richland Municipal-SEA Seattle/Tacoma Intl

18h 29m1 stop Billings Logan Intl

8:36 am - 7:45 pmSEA Seattle/Tacoma Intl-SDY Sidney Richland Municipal

10h 09m2 stops Portland Billings Logan Intl

$529Multiple Airlines

Wed, Dec 2 - Sat, Jan 2

1:04 pm - 6:34 pmSDY Sidney Richland Municipal-SEA Seattle/Tacoma Intl

6h 30m2 stops Billings Logan Intl Portland

8:20 am - 8:59 amSEA Seattle/Tacoma Intl-SDY Sidney Richland Municipal

23h 39m1 stop Billings Logan Intl

$529Multiple Airlines

Wed, Dec 2 - Sat, Jan 2

1:04 pm - 6:34 pmSDY Sidney Richland Municipal-SEA Seattle/Tacoma Intl

6h 30m2 stops Billings Logan Intl Portland

8:36 am - 7:45 pmSEA Seattle/Tacoma Intl-SDY Sidney Richland Municipal

10h 09m2 stops Portland Billings Logan Intl

$539Multiple Airlines

Wed, Dec 2 - Sat, Jan 2

1:04 pm - 6:34 pmSDY Sidney Richland Municipal-SEA Seattle/Tacoma Intl

6h 30m2 stops Billings Logan Intl Portland

8:20 am - 8:59 amSEA Seattle/Tacoma Intl-SDY Sidney Richland Municipal

23h 39m1 stop Billings Logan Intl

$539Multiple Airlines

Wed, Dec 2 - Sat, Jan 2

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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

Nov 19

SDY5:10 pmSidney Richland Municipal

1h 50m

BIL7:00 pmBillings Logan Intl

Nov 23

BIL10:44 amBillings Logan Intl

1h 38m

SDY12:22 pmSidney Richland Municipal

$84

Cape Air

Nov 20

SDY5:10 pmSidney Richland Municipal

1h 50m

BIL7:00 pmBillings Logan Intl

Nov 24

BIL7:20 amBillings Logan Intl

1h 38m

SDY8:58 amSidney 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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SidneyBillings

SDY Sidney Richland Municipal - BIL Billings Logan Intl

SDYBIL

Sidney Richland Municipal

Thu 11/19

5:10 pm-7:00 pm

Nonstop1h 50m

Billings Logan Intl

Mon 11/23

10:44 am-12:22 pm

Nonstop1h 38m

$84

SidneyBillings

SDY Sidney Richland Municipal - BIL Billings Logan Intl

SDYBIL

Sidney Richland Municipal

Fri 11/20

5:10 pm-7:00 pm

Nonstop1h 50m

Billings Logan Intl

Sat 11/21

6:06 pm-7:44 pm

Nonstop1h 38m

$84

SidneyBillings

SDY Sidney Richland Municipal - BIL Billings Logan Intl

SDYBIL

Sidney Richland Municipal

Fri 11/20

5:10 pm-7:00 pm

Nonstop1h 50m

Billings Logan Intl

Tue 11/24

7:20 am-8:58 am

Nonstop1h 38m

$100

SidneySeattle

SDY Sidney Richland Municipal - SEA Seattle/Tacoma Intl

SDYSEA

Sidney Richland Municipal

Wed 12/2

5:10 pm-8:23 am

1 stop16h 13m

Seattle/Tacoma Intl

Sat 1/2

8:20 am-4:33 pm

1 stop7h 13m

$489

SidneySeattle

SDY Sidney Richland Municipal - SEA Seattle/Tacoma Intl

SDYSEA

Sidney Richland Municipal

Wed 12/2

5:10 pm-8:23 am

1 stop16h 13m

Seattle/Tacoma Intl

Sat 1/2

8:20 am-4:33 pm

1 stop7h 13m

$499

SidneyLas Vegas

SDY Sidney Richland Municipal - LAS Las Vegas Harry Reid Intl

SDYLAS

Sidney Richland Municipal

Thu 11/19

5:10 pm-7:10 pm

1 stop27h 00m

Las Vegas Harry Reid Intl

Mon 11/23

2:00 pm-8:58 am

1 stop17h 58m

$528

SidneySeattle

SDY Sidney Richland Municipal - SEA Seattle/Tacoma Intl

SDYSEA

Sidney Richland Municipal

Wed 12/2

2:54 pm-8:23 am

1 stop18h 29m

Seattle/Tacoma Intl

Sat 1/2

8:36 am-7:45 pm

2 stops10h 09m

$529

SidneySeattle

SDY Sidney Richland Municipal - SEA Seattle/Tacoma Intl

SDYSEA

Sidney Richland Municipal

Wed 12/2

1:04 pm-6:34 pm

2 stops6h 30m

Seattle/Tacoma Intl

Sat 1/2

8:20 am-8:59 am

1 stop23h 39m

$529

SidneySeattle

SDY Sidney Richland Municipal - SEA Seattle/Tacoma Intl

SDYSEA

Sidney Richland Municipal

Wed 12/2

1:04 pm-6:34 pm

2 stops6h 30m

Seattle/Tacoma Intl

Sat 1/2

8:36 am-7:45 pm

2 stops10h 09m

$539

SidneySeattle

SDY Sidney Richland Municipal - SEA Seattle/Tacoma Intl

SDYSEA

Sidney Richland Municipal

Wed 12/2

1:04 pm-6:34 pm

2 stops6h 30m

Seattle/Tacoma Intl

Sat 1/2

8:20 am-8:59 am

1 stop23h 39m

$539

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted 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 is the cheapest airline that flies from Sidney Richland Municipal to United States?

Cape Air is the most popular carrier operating from Sidney Richland Municipal to United States

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 50m
Direct flights	Fri and Sat
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 $84.

The fastest flight from Sidney, Montana to United States takes 1h 50m

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

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 November 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.