Flights from Champaign, IL to San Antonio, TX from $249

How to find the cheapest flight from
Champaign (CMI) to San Antonio (SAT)

All the information you need to plan the best CMI to SAT flight in 2021: compare Champaign to San Antonio flight prices with the expected peak season, weather and rainfall in San Antonio.

What is the cheapest day to fly round-trip from Champaign to San Antonio?

Users have found that flying from Champaign to San Antonio on a Monday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Champaign to San Antonio?

Users have found that booking a flight from Champaign to San Antonio at least 24 days early can save you up to 29% on average compared to booking a flight this week. If booking 24 days before your flight isn’t an option for you, users have found flights from Champaign to San Antonio for as little as $119 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $155 for flights departing within the next 3 days.

What is the cheapest month to fly from Champaign to San Antonio?

The best pricing can be found in the month of June. Prices to San Antonio from Champaign average $134. You can even find prices in June for less than $134, as users have found deals to San Antonio from as low as $70. The month of December appears to be one of the more expensive times to travel to San Antonio from Champaign. Flying in the targeted month can save you up to 29%.

When is the cheapest time to fly from Champaign to San Antonio (CMI - SAT)?

It’s typically best to fly out from Champaign to San Antonio at noon. Doing so could potentially save you 15% on the flight price compared to flying in the morning, which is usually more expensive.

One-way flights to San Antonio from Champaign

The cheapest one-way flights from Champaign to San Antonio

11:26 am - 6:00 pm

American Airlines

1 Stop

6h 34m

CMI - SAT

$249

9:17 am - 6:50 pm

American Airlines

2 Stops

9h 33m

CMI - SAT

$253

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Champaign</span> to <span class="emphasized">San Antonio</span> flights.

Flight FAQs

From Champaign to San Antonio

Are flight prices decreasing from Champaign to San Antonio due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Champaign and San Antonio for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Champaign University-Willard to San Antonio have flexible cancellations due to COVID-19?

Some of our airline partners flying from Champaign University-Willard to San Antonio have new flexible policies in place due to COVID-19. American Airlines and Major Airline are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from Champaign to San Antonio for under $500 on Cheapflights?

Yes, there are multiple flights from Champaign to San Antonio for under $500. The cheapest flight booked recently is on American Airlines for just $411, but on average you can expect to pay $553.

Are there nonstop flights from Champaign to San Antonio for under $400 on Cheapflights?

There are no nonstop flights from Champaign to San Antonio, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Champaign to San Antonio for under $700?

There are currently 18+ open flights from Champaign to San Antonio within the next 7 days for less than $700.

Does it rain more in Champaign or San Antonio?

When traveling, we recommend packing in preparation to handle common weather conditions. The rainfall in Champaign is typically greater than that of San Antonio. We can gather that this will continue over the next 16 days.

Is Champaign weather warmer or cooler than San Antonio?

We forecast the temperature to be around the 97 °F's in August, on average. The temperature in San Antonio is generally hotter than in Champaign. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Champaign to San Antonio?

Departing from Champaign to San Antonio will take you 4h 24m.

What is the cheapest airline to fly from Champaign to San Antonio round-trip?

Currently priced at $411, American Airlines will fly you from Champaign to San Antonio and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip.

What are the cheapest airlines to fly from Champaign to San Antonio one-way?

The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $249.

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Alternative routes for Champaign to San Antonio

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

Bloomington to El Paso from $389 pp

Champaign to College Station from $419 pp

Moline to Brownsville from $433 pp

Peoria to El Paso from $473 pp

Destination information for San Antonio

Things to know before you go - useful duration and weather info for your trip from Champaign to San Antonio.

Airports servicing Champaign

Champaign (CMI)

Airports servicing San Antonio

San Antonio (SAT)

Cheap flights from Champaign to San Antonio (CMI - SAT)

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How to find the cheapest flight from Champaign (CMI) to San Antonio (SAT)