Cheap Flights from Tulsa (TUL) to Sidney (SDY)

Popular airlines from Tulsa International Airport (TUL) to Sidney, MT (SDY-Sidney-Richland Municipal)

Cheap Flights from Tulsa to Sidney (TUL-SDY)

Prices were available within the past 7 days and start at for one-way flights and $446 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Nov 18 - Sat, Nov 22
TUL
Tulsa
SDY
Sidney
$446 Roundtrip, found 6 days ago
$446
Roundtrip
found 6 days ago
Select United flight, departing Tue, Nov 18 from Tulsa to Sidney, returning Sat, Nov 22, priced at $446 found 6 days ago
United
Sun, Nov 16 - Sat, Nov 22
TUL
Tulsa
SDY
Sidney
$491 Roundtrip, found 6 days ago
$491
Roundtrip
found 6 days ago
Select United flight, departing Sun, Nov 16 from Tulsa to Sidney, returning Sat, Nov 22, priced at $491 found 6 days ago
United
Sun, Nov 16 - Fri, Nov 21
TUL
Tulsa
SDY
Sidney
$536 Roundtrip, found 6 days ago
$536
Roundtrip
found 6 days ago
Select United flight, departing Sun, Nov 16 from Tulsa to Sidney, returning Fri, Nov 21, priced at $536 found 6 days ago
United
Mon, Nov 17 - Sat, Nov 22
TUL
Tulsa
SDY
Sidney
$537 Roundtrip, found 6 days ago
$537
Roundtrip
found 6 days ago
Select United flight, departing Mon, Nov 17 from Tulsa to Sidney, returning Sat, Nov 22, priced at $537 found 6 days ago
United
Tue, Nov 18 - Wed, Nov 19
TUL
Tulsa
SDY
Sidney
$538 Roundtrip, found 6 days ago
$538
Roundtrip
found 6 days ago
Select United flight, departing Tue, Nov 18 from Tulsa to Sidney, returning Wed, Nov 19, priced at $538 found 6 days ago
United
Mon, Nov 17 - Fri, Nov 21
TUL
Tulsa
SDY
Sidney
$582 Roundtrip, found 6 days ago
$582
Roundtrip
found 6 days ago
Select United flight, departing Mon, Nov 17 from Tulsa to Sidney, returning Fri, Nov 21, priced at $582 found 6 days ago

Frequently asked questions

How much does a flight from Tulsa Intl. Airport (TUL) to Sidney-Richland Municipal Airport (SDY) cost?
Grab a cheap one-way flight or cheap return flight from $446 from Tulsa Intl. Airport (TUL) to Sidney-Richland Municipal Airport (SDY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Tulsa Intl. Airport (TUL) to Sidney-Richland Municipal Airport (SDY)?
Flying in November may help you find better deals, as it's the cheapest month for flights between TUL and SDY. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Tulsa Intl. Airport (TUL) to Sidney-Richland Municipal Airport (SDY)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from TUL to SDY. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Tulsa Intl. Airport (TUL) to Sidney-Richland Municipal Airport (SDY)?
You'll have to catch a flight with a layover when traveling from Tulsa Intl. Airport (TUL) to Sidney-Richland Municipal Airport (SDY). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from TUL to SDY?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Tulsa Intl. Airport (TUL) to Sidney-Richland Municipal Airport (SDY)?
Choose a flight from Tulsa Intl. Airport (TUL) to Sidney-Richland Municipal Airport (SDY) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Tulsa Intl. Airport (TUL) to Sidney-Richland Municipal Airport (SDY) last-minute?
Booking your ticket from TUL to SDY just before your journey is usually more expensive. However, if there's some wiggle room with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book a TUL to SDY flight and hotel package?
Compared with arranging flights and hotels separately, booking a TUL to SDY flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place takes the hassle out of travel planning. Simply secure your flights and select from our wide range of stays, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Tulsa Intl. Airport (TUL) to Sidney-Richland Municipal Airport (SDY)?
It's usually possible to reschedule or cancel your TUL to SDY flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Tulsa Intl.
Destination airport
Sidney-Richland Municipal
Roundtrip price
$445
Distance
901 mi

Book with confidence

Tulsa to Sidney Flights

The cheapest times to fly from Tulsa to Sidney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Tulsa to Sidney are during the month of November. You can find some of the cheapest flights from Tulsa to Sidney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Tulsa to Sidney

Sunday is one of the best days to book for cheap flights from Tulsa to Sidney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Tulsa to Sidney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Tulsa to Sidney in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Tulsa to Sidney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Tulsa to Sidney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Tulsa to Sidney Flights

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*Available to One Key members.