$72 Cheap Flights to Alton, IA

View $72 flight on Wed, May 6, 2026Opens in a new window

Popular airlines to Alton

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How much is the cheapest flight to Alton?

Prices were available within the past 7 days and start at $72 for one-way flights and $140 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, May 13 - Fri, May 15
DFW
Dallas
FSD
Sioux Falls
$140 Roundtrip, found 14 hours ago
$140
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Wed, May 13 from Dallas to Sioux Falls, returning Fri, May 15, priced at $140 found 14 hours ago
Delta
Wed, May 6 - Thu, May 7
DEN
Denver
FSD
Sioux Falls
$177 Roundtrip, found 2 hours ago
$177
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, May 6 from Denver to Sioux Falls, returning Thu, May 7, priced at $177 found 2 hours ago
United
Sat, Jun 13 - Tue, Jun 16
ORD
Chicago
SUX
Sioux City
$204 Roundtrip, found 2 days ago
$204
Roundtrip
found 2 days ago
Select United flight, departing Sat, Jun 13 from Chicago to Sioux City, returning Tue, Jun 16, priced at $204 found 2 days ago
American Airlines
Fri, May 29 - Mon, Jun 1
ORD
Chicago
FSD
Sioux Falls
$249 Roundtrip, found 1 hour ago
$249
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Fri, May 29 from Chicago to Sioux Falls, returning Mon, Jun 1, priced at $249 found 1 hour ago
Alaska Airlines
Thu, Apr 30 - Mon, May 4
SEA
Seattle
FSD
Sioux Falls
$484 Roundtrip, found 4 hours ago
$484
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Thu, Apr 30 from Seattle to Sioux Falls, returning Mon, May 4, priced at $484 found 4 hours ago

Frequently asked questions

What month is the cheapest to fly to Alton?
May is the cheapest month to travel to Alton. Demand is lower then, so fares are usually more affordable. Organizing your trip outside of school breaks and major holidays can also help you save.
Which US cities have the cheapest flights to Alton?
Land cheap flights to Alton from Chicago, Denver and Minneapolis - St. Paul. These cities generally offer the best fares to this exciting destination. But remember that holiday periods, demand and stopovers will also have an influence on rates, so stay flexible and book when you see a bargain.
Which US cities fly direct to Alton?
You can fly to Alton directly from 10 US cities. To find a nonstop route, select "Direct flights only" when looking for flights to Alton on Expedia. Then, compare your options and find the best departure from one of these cities:

  • Chicago
  • Denver
  • Minneapolis - St. Paul
  • Dallas
  • Phoenix

How to find a cheap flight to Alton?
If you're looking for cheap flights to Alton, consider traveling outside of peak season. Booking in advance is also likely to help you score savings. Or, look for departures on a different day — Thursday flights are on average 16% cheaper than Sunday departures.* Sign up to receive price alerts on the Expedia app and you'll be instantly notified as soon as fares fall.*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 Alton?
Staying flexible with your travel plans may help you to secure last-minute offers on cheap flights to Alton. To view all the available options, try looking at different ticket types, changing your Alton trip dates, flying out of an alternative airport or using another airline.
How far in advance should I book a flight to Alton?
Secure your flight to Alton two to four months ahead if you're visiting from an international destination. For domestic travel, the timeframe is around 28 days in advance. Better deals and a greater choice of departure dates, times and seating options are just some of the perks 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 Alton?
Generally, you can get cheap flights to Alton on a Sunday. You can save about 8% on average compared to those who book on a Friday, which is often the most expensive day to purchase tickets.**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 airlines fly to Alton?
There are 4 carriers that connect Alton with 6 airports around the globe. The major entry point to this city is Sioux Falls Regional Airport (FSD). Travel with any of these leading airlines to Alton:

  • United Airlines
  • Delta Air Lines
  • American Airlines
  • Frontier Airlines

Where do you fly into Alton?
The main airport to fly to Alton is Sioux Gateway Airport (SUX). You can also land at Sioux Falls Regional Airport (FSD) when flying to Alton.
How far is the airport from central Alton?
If you're jetting into Sioux Gateway Airport (SUX), you'll be about 45 mi southwest of central Alton.
Can I save money by booking an Alton trip package?
You could possibly save hundreds of dollars if you secure an Alton flight and hotel package deal on Expedia. And you'll save yourself hassle by having all your travel plans in the same place. Try bundling your hotel and flight with extras such as tours and activities for your own personalized Alton break.
Can I change or cancel my flight to Alton?
If you booked your flight to Alton within the last 24 hours, you can usually cancel or change it without fees. After that, extra charges may apply depending on the airline's terms and conditions. For more information, check out our Customer Service Portal. Bear in mind that some flights are non-refundable, so you may be issued a credit for future flights in place of a direct refund. When browsing on Expedia, select the "No cancel fee" or "Changes included" filters to see fares with flexible change policies.

*Flight schedules are subject to change.

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Travel information

Destination airport
Sioux Falls Regional
Destination airport IATA code
FSD
Destination city name
Sioux Falls
Roundtrip price
$160

Trending flights to Alton

Prices were available within the past 7 days and start at $72 for one-way flights and $140 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, May 13 - Fri, May 15
DFW
Dallas
FSD
Sioux Falls
$140 Roundtrip, found 14 hours ago
$140
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Wed, May 13 from Dallas to Sioux Falls, returning Fri, May 15, priced at $140 found 14 hours ago

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