$90+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDY — LAX
Aug 4 — Aug 111
1 adult, Economy
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1. Tell us where you want to go
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap 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 July 30, 2025.
Round-trip from | $90 (Booking.com) |
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Find flight deals from Sidney to North America
Cheapest flights from Sidney to North AmericaExplore 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 July 30, 2025.
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 July 30, 2025.
This Booking.com deal was found by Cheapflights users on 7/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/82:42 pmSDY - BIL
Nonstop1h 50mCape Air
Sun 8/1010:45 amBIL - SDY
Nonstop1h 42mCape Air
Deal found 7/28![Cape Air logo]()
$90
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 July 30, 2025.
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
Tue 8/12
2:42 pm-4:32 pm
Nonstop1h 50m
Billings Logan Intl
Sat 8/16
12:35 pm-2:17 pm
Nonstop1h 42m
$90
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, January is the cheapest month in which you can book a flight from Sidney, Montana to North America (average of $246). Flying from Sidney, Montana to North America in March is currently the most expensive (average of $326). 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.