How long does it take to fly to Sidney, Montana?

On average, it takes 6h 35m to fly from United States to Sidney, Montana if you fly out of San Francisco (the most popular airport in United States) and into Williston (the most popular airport in Sidney, Montana). If you’re flying out of Los Angeles and into Williston, then the flight time is around 7h 08m.

When did momondo last update prices for flights from United States to Sidney Richland Municipal Airport?

Prices for flights from United States to Sidney Richland Municipal Airport are refreshed on a daily basis.

How old do you have to be to fly from United States to Sidney Richland Municipal Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Sidney Richland Municipal Airport.

What documentation or ID do you need to fly to Sidney Richland Municipal Airport?

The travel and health documents you'll need for your trip to Sidney Richland Municipal Airport 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 Sidney Richland Municipal Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$421 Cheap Flights from the United States to Sidney in 2026

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7:00 am - 4:39 pm

LAX

SDY

8h 39m

2 stops

9:45 am - 9:57 pm

SDY

LAX

13h 12m

2 stops

$652Multiple Airlines

Tue, Apr 21 - Tue, Apr 28

6:07 pm - 9:10 am

DEN

SDY

39h 03m

2 stops

5:10 pm - 6:29 pm

SDY

DEN

25h 19m

2 stops

$660Multiple Airlines

Fri, May 1 - Sun, May 3

11:47 am - 9:10 am

DEN

SDY

21h 23m

2 stops

9:45 am - 6:28 pm

SDY

DEN

8h 43m

2 stops

$989Multiple Airlines

Thu, Apr 9 - Mon, Apr 13

7:00 am - 9:10 am

DEN

SDY

26h 10m

2 stops

5:10 pm - 10:51 am

SDY

DEN

41h 41m

2 stops

$1,115Multiple Airlines

Wed, Apr 8 - Thu, Apr 9

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Los AngelesSidney

LAX - SDY

LAXSDY

Los Angeles Los Angeles

Tue 4/21

7:00 am-4:39 pm

2 stops8h 39m

Sidney Richland Municipal

Tue 4/28

9:45 am-9:57 pm

2 stops13h 12m

$652

DenverSidney

DEN - SDY

DENSDY

Denver Intl

Fri 5/1

6:07 pm-9:10 am

2 stops39h 03m

Sidney Richland Municipal

Sun 5/3

5:10 pm-6:29 pm

2 stops25h 19m

$660

DenverSidney

DEN - SDY

DENSDY

Denver Intl

Thu 4/9

11:47 am-9:10 am

2 stops21h 23m

Sidney Richland Municipal

Mon 4/13

9:45 am-6:28 pm

2 stops8h 43m

$989

DenverSidney

DEN - SDY

DENSDY

Denver Intl

Wed 4/8

7:00 am-9:10 am

2 stops26h 10m

Sidney Richland Municipal

Thu 4/9

5:10 pm-10:51 am

2 stops41h 41m

$1,115

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from United States to Sidney, Montana

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

Delays

Other information

How often are flights from the United States to Sidney delayed?

Historically, on average around 0% of flights between United States and Sidney have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

What is the most punctual flight time for the United States to Sidney flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Cheap United States to Sidney, Montana flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Sidney, Montana

Fastest flight time	9h 45m
Direct flights	None

The fastest flight from United States to Sidney, Montana takes 9h 45m

There are no direct flights from United States to Sidney, Montana. There are no popular flight routes from United States to Sidney, Montana.

Search flight deals

When did momondo last update prices for flights from United States to Sidney Richland Municipal Airport?
Prices for flights from United States to Sidney Richland Municipal Airport are refreshed on a daily basis.
How old do you have to be to fly from United States to Sidney Richland Municipal Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Sidney Richland Municipal Airport.
What documentation or ID do you need to fly to Sidney Richland Municipal Airport?
The travel and health documents you'll need for your trip to Sidney Richland Municipal Airport 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 Sidney Richland Municipal Airport. 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 United States to Sidney, Montana?
momondo data reveals that the most frequently booked plane model on the route from United States to Sidney, Montana is Tecnam P2012 Traveler, representing 100.00% of all bookings.

Why use momondo?

Why should I use momondo to find a flight deal from United States to Sidney?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from United States to Sidney. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from United States to Sidney with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for United States to Sidney flights to just show those with flexible booking policies.

How can momondo help me find flights from United States to Sidney?

momondo provides multiple filters to help you find the best flight to Sidney from United States. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from United States to Sidney right now. Can momondo alert me if prices change?

Price alerts on flights to Sidney from United States are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.