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$100+ Cheap flights from Sidney, MT (SDY) to North America

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
SDY — LAX
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap flight deals from Sidney to North America

Cheapest flights from Sidney to North America
Explore the most affordable flight options available from Sidney to North America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Cape Air deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cape Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:45 am
SDY
-
BIL
Nonstop1h 53m
Cape Air
Sat 4/182:54 pm
BIL
-
SDY
Nonstop1h 45m
Cape Air
Deal found 1/31$100

Find flight deals from Sidney to North America

Keep the following information in mind while searching for Sidney to North America flight deals. Data was last updated February 3, 2026.

Round-trip from

$100
(Cape Air)
From Sidney Richland Municipal to North America
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sidney to North America that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Sidney to North America that are best for you.

Fly from

Sidney

Fly to

North America

Route

Depart

Return

Price

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Fri 4/10

9:45 am-11:38 am

Nonstop1h 53m

Billings Logan Intl

Sun 4/12

12:35 pm-2:20 pm

Nonstop1h 45m

$100

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Thu 4/9

1:04 pm-2:56 pm

Nonstop1h 52m

Billings Logan Intl

Sun 4/12

2:54 pm-4:39 pm

Nonstop1h 45m

$100

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Fri 4/17

9:45 am-11:38 am

Nonstop1h 53m

Billings Logan Intl

Sat 4/18

2:54 pm-4:39 pm

Nonstop1h 45m

$100

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Fri 4/10

9:45 am-11:38 am

Nonstop1h 53m

Billings Logan Intl

Mon 4/13

12:35 pm-2:20 pm

Nonstop1h 45m

$100

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Tue 2/17

1:04 pm-2:56 pm

Nonstop1h 52m

Billings Logan Intl

Sat 2/21

10:44 am-12:29 pm

Nonstop1h 45m

$100

SidneyBillings

SDY - BIL

SDYBIL

Sidney Richland Municipal

Thu 4/9

9:45 am-11:38 am

Nonstop1h 53m

Billings Logan Intl

Mon 4/13

10:44 am-12:29 pm

Nonstop1h 45m

$100

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Best time to book a flight from Sidney to North America

Have a flexible travel schedule? Discover the best time to fly to North America from Sidney with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sidney to North America

What is the cheapest month to book a flight from Sidney, Montana to North America?

Currently, October is the cheapest month in which you can book a flight from Sidney, Montana to North America (average of $130). Flying from Sidney, Montana to North America in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Sidney to North America. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sidney to North America?

    Sidney Richland Municipal (SDY) is the airport you will fly out of if you book a flight from Sidney to North America. It is only a 1.8 mi journey to Richland Municipal (SDY) from Sidney’s city center.

  • How long is the flight from Sidney, Montana to North America?

    Airlines like Cape Air fly from Sidney, Montana to North America in about 1h 53m. The time it takes to get you to your destination is usually consistent. Sidney, Montana and North America are separated by a distance of 244 mi. Generally, flights for this route are nonstop.

  • Can I find deals for flights from Sidney to North America that include hotel bookings?

    Yes. In addition to deals on Sidney to North America flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sidney to North America?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sidney to North America.

  • Can I find deals for business class flights from Sidney to North America?

    Yes. Cheapflights offers flight deals from Sidney to North America by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sidney, Montana to North America?

    Currently, October is the cheapest month in which you can book a flight from Sidney, Montana to North America (average of $130). Flying from Sidney, Montana to North America in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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