In terms of precipitation, rainfall in Sidney, Montana ranges from 0.0 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Sidney, Montana when rainfall is around 0.0 in.

If weather is an important factor for your trip to Sidney, Montana, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 10.4 F).

What is the cheapest time of day to fly from FR to SDY?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from France to Sidney, Montana as you normally would.

What airport do you fly into for flights to Sidney from France?

Located just 1.8 mi from the city center, Sidney Richland Municipal (SDY) is the airport most travelers will use when flying to Sidney from France.

Can I find deals for flights from France to Sidney that include hotel bookings?

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

How can I find direct flights from France to Sidney?

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

Can I find deals for business class flights from France to Sidney?

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

$10,214+ Flights from France to Sidney, MT

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1. Tell us where you want to go

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Cheap flight deals from France to Sidney

Cheapest flights from France to Sidney
Explore the most affordable flight options available from France to Sidney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

Mon 9/145:00 pm

CDG

SDY

3 stops29h 17m

Multiple Airlines

Fri 9/189:32 am

SDY

CDG

2 stops15h 48m

Multiple Airlines

Deal found 1/28

$10,214

Sat 2/286:25 am

CDG

SDY

3 stops21h 26m

Multiple Airlines

Sat 3/77:35 am

SDY

CDG

3 stops18h 20m

Multiple Airlines

Deal found 1/28

$10,224

Mon 6/15:00 pm

CDG

SDY

3 stops31h 45m

Multiple Airlines

Sun 6/79:32 am

SDY

CDG

3 stops20h 13m

Multiple Airlines

Deal found 1/28

$10,261

Best flights from France to Sidney
Discover carefully curated flight deals from France to Sidney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 29, 2026.

Sat 2/286:25 am

CDG

SDY

3 stops21h 26m

Multiple Airlines

Sat 3/77:35 am

SDY

CDG

3 stops18h 20m

Multiple Airlines

Deal found 1/28

$10,224

Mon 6/15:00 pm

CDG

SDY

3 stops31h 45m

Multiple Airlines

Sun 6/79:32 am

SDY

CDG

3 stops20h 13m

Multiple Airlines

Deal found 1/28

$10,261

Last-minute flights from France to Sidney
Discover last-minute flight deals from France to Sidney. Data last updated January 29, 2026 and is based on user searches.

Sat 2/286:25 am

CDG

SDY

3 stops21h 26m

Multiple Airlines

Sat 3/77:35 am

SDY

CDG

3 stops18h 20m

Multiple Airlines

Deal found 1/28

$10,224

Find flight deals from France to Sidney

Round-trip from	$10,224 (Kissandfly.com)

From France to Sidney Richland Municipal

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

ParisSidney

CDG - SDY

CDGSDY

Paris Charles de Gaulle

Sat 2/28

6:25 am-7:51 pm

3 stops21h 26m

Sidney Richland Municipal

Sat 3/7

7:35 am-9:55 am

3 stops18h 20m

$10,224

ParisSidney

CDG - SDY

CDGSDY

Paris Charles de Gaulle

Mon 6/1

5:00 pm-4:45 pm

3 stops31h 45m

Sidney Richland Municipal

Sun 6/7

9:32 am-1:45 pm

3 stops20h 13m

$10,261

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Best time to book a flight from France to Sidney

Have a flexible travel schedule? Discover the best time to fly to Sidney from France 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 France to Sidney

No data available for this route at this time. Please check back soon.

Related info for your journey

What airport do you fly into for flights to Sidney from France?
Located just 1.8 mi from the city center, Sidney Richland Municipal (SDY) is the airport most travelers will use when flying to Sidney from France.
Can I find deals for flights from France to Sidney that include hotel bookings?
Yes. In addition to deals on France to Sidney flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from France to Sidney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from France to Sidney.
Can I find deals for business class flights from France to Sidney?
Yes. Cheapflights offers flight deals from France to Sidney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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$10,214+ Cheap flights from France to Sidney, MT (SDY)

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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from France to Sidney with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from France to Sidney

Cheapest flights from France to SidneyExplore the most affordable flight options available from France to Sidney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

Explore the most affordable flight options available from France to Sidney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

Find flight deals from France to Sidney

Keep the following information in mind while searching for France to Sidney flight deals. Data was last updated January 29, 2026.

Round-trip from

Cheapflights Fare Finder

Use the filters below to find and compare flights from France to Sidney that are best for you.

Best time to book a flight from France to Sidney

Have a flexible travel schedule? Discover the best time to fly to Sidney from France with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from France to Sidney

Related info for your journey

Find useful and relevant information for your journey from France to Sidney. 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 into for flights to Sidney from France?

Can I find deals for flights from France to Sidney that include hotel bookings?

How can I find direct flights from France to Sidney?

Can I find deals for business class flights from France to Sidney?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for France to Sidney

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from France to Sidney
Explore the most affordable flight options available from France to Sidney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.