$99 Cheap Flights to South Fork, CO

View $99 flight on Mon, Oct 27, 2025Opens in a new window

Popular airlines to South Fork

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How much is the cheapest flight to South Fork?

Prices were available within the past 7 days and start at $99 for one-way flights and $193 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KEY LIME AIR DBA DENVER AIR CONNECTION
Wed, Oct 22 - Sun, Oct 26
DEN
Denver
ALS
Alamosa
$198 Roundtrip, found 2 hours ago
$198
Roundtrip
found 2 hours ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Wed, Oct 22 from Denver to Alamosa, returning Sun, Oct 26, priced at $198 found 2 hours ago
United
Sat, Dec 13 - Mon, Dec 15
OKC
Oklahoma City
ALS
Alamosa
$356 Roundtrip, found 2 days ago
$356
Roundtrip
found 2 days ago
Select United flight, departing Sat, Dec 13 from Oklahoma City to Alamosa, returning Mon, Dec 15, priced at $356 found 2 days ago
Delta
Tue, Dec 16 - Tue, Dec 23
LAX
Los Angeles
ALS
Alamosa
$394 Roundtrip, found 4 days ago
$394
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Dec 16 from Los Angeles to Alamosa, returning Tue, Dec 23, priced at $394 found 4 days ago
American Airlines
Sat, Oct 25 - Fri, Oct 31
MIA
Miami
ALS
Alamosa
$483 Roundtrip, found 4 days ago
$483
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Oct 25 from Miami to Alamosa, returning Fri, Oct 31, priced at $483 found 4 days ago
WestJet
Sat, Oct 4 - Sat, Oct 11
YQR
Regina
ALS
Alamosa
$593 Roundtrip, found 1 day ago
$593
Roundtrip
found 1 day ago
Select WestJet flight, departing Sat, Oct 4 from Regina to Alamosa, returning Sat, Oct 11, priced at $593 found 1 day ago

Tips to find the cheapest flights to South Fork

The cheapest day to fly

Get started finding a cheap flight to South Fork on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

October is the cheapest month to fly to South Fork. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to South Fork. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to South Fork, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to South Fork

The lowest price for round-trip flights to South Fork in 2025 starts from from $193, while one-way tickets start from from $99. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to South Fork. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to South Fork

KEY LIME AIR DBA DENVER AIR CONNECTION, United, American Airlines, Delta, WestJet are just some of the airlines that can typically offer cheap tickets to South Fork. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to South Fork and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for South Fork, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to South Fork. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your South Fork plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to South Fork

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to South Fork.

Stopover savings

The cheapest tickets to South Fork are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to South Fork. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to South Fork for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to South Fork. Simply download the free Expedia app to your smart device and activate South Fork flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to South Fork. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

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

Frequently asked questions

What month is the cheapest to fly to South Fork?
Plan your trip for October if you want to get a deal on your fare. It's the cheapest month to fly to South Fork. Try to avoid traveling during busy periods such as school vacation time or public holidays.
Which US cities have the cheapest flights to South Fork?
Usually, Denver has cheap flights to South Fork. To score a great deal, remain flexible with your travel dates. Fares may vary depending on things like seasonality, number of stopovers and demand.
Which US cities fly direct to South Fork?
The only city in the US where you're able to fly to South Fork without a stopover is Denver. Explore all the available departure times and dates to South Fork by selecting "Direct flights only" when you start your search.
How to find a cheap flight to South Fork?
Book in advance or search for a cheap flight to South Fork during the low season, such as January and April. Jetting off on a Thursday could also save you an average of 16% compared to a Sunday departure.* The Expedia app makes it even easier to know exactly when to book. Just turn on the toggle for "Watch prices" and you'll receive a notification as soon as fares go down.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to South Fork?
You can find awesome deals on last-minute departures to South Fork, especially if your travel arrangements are flexible. Consider leaving from a different airport, tweaking your trip dates or choosing an alternative carrier to get a cheap flight to South Fork.
How far in advance should I book a flight to South Fork?
Lock in your flight to South Fork two to four months ahead if you're flying in from an international destination. For domestic travel, the usual timeframe is 28 days in advance. Better deals and a greater choice of departure dates, times and seating options are just some of the advantages of booking early.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to South Fork?
Sundays are generally the best day to book a cheap flight to South Fork, where you can save 8% on average compared to Fridays. If you choose to purchase on a Friday, be ready to pay a higher price as this is typically the most expensive day.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Where do you fly into South Fork?
If you're flying to South Fork, the main hub to disembark at is San Luis Valley Regional Airport (ALS). You could also fly to South Fork via Gunnison-Crested Butte Regional Airport (GUC).
How far is the airport from central South Fork?
You'll be about 45 mi east of central South Fork after jetting into San Luis Valley Regional Airport (ALS).
Can I save money by booking a South Fork trip package?
Book a South Fork flight and hotel package deal on Expedia, and you could make significant savings. It's easy to bundle your accommodations and flights, and you can add activities and car rentals to create your own personalized South Fork break. Plus, nothing beats the convenience of booking everything in one place.
Can I change or cancel my flight to South Fork?
It's usually possible to cancel or change your flight to South Fork. Many airlines let you cancel your flight for free within 24 hours of booking. However, some flights are non-refundable, and airlines may issue you credit for a future flight in place of a direct refund. To get cheap flights to South Fork with flexible change policies, pick the "Changes included" or "No cancel fee" filters during your search. Need more information? Check out our Customer Service Portal.
What airport is best to fly into South Fork?
Travelers from all across the globe pass through ALS each day. Jump off the plane, grab your bags and you'll find yourself 45 miles from the heart of South Fork.
How many nonstop flights are there to South Fork?
Arranging an exciting South Fork vacation is a walk in the park when there are 12 nonstop flights each week to pick from.
Where are the most popular flights to South Fork departing from?
Denver is the most popular departure point for visitors heading to South Fork.
Flights to South Fork information
Destination airport
San Luis Valley Regional
Destination airport IATA code
ALS
Destination city name
Alamosa
Roundtrip price
$192

Trending flights to South Fork

Prices were available within the past 7 days and start at $99 for one-way flights and $193 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KEY LIME AIR DBA DENVER AIR CONNECTION
Thu, Nov 6 - Thu, Nov 6
DEN
Denver
ALS
Alamosa
$193 Roundtrip, found 2 days ago
$193
Roundtrip
found 2 days ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Thu, Nov 6 from Denver to Alamosa, returning Thu, Nov 6, priced at $193 found 2 days ago

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*Available to One Key members.