Question 1

What are the cheapest airlines to fly from Columbus to Illinois one-way?

Accepted Answer

The cheapest airlines for a one-way flight from Columbus to Illinois are Southwest ($78), United Airlines ($80), and American Airlines ($85).

Question 2

How far ahead should I book a flight from Columbus to Illinois?

Accepted Answer

To ensure you get the cheapest price possible for a flight from Columbus to Illinois, you should look to book at least 87 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Question 3

What is the cheapest month to book a flight from Columbus to Illinois?

Accepted Answer

Currently, April is the cheapest month in which you can book a flight from Columbus to Illinois (average of $283). Flying from Columbus to Illinois in August is currently the most expensive (average of $433). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 4

What is the cheapest day to fly from Columbus to Illinois?

Accepted Answer

Travelers seeking maximum savings on their Columbus to Illinois flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Question 5

Weekly flight availability from Columbus to Illinois

Accepted Answer

The most flights from C01 to USIL are scheduled on a Monday (64 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (36 on average).

Question 6

E

Accepted Answer

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Question 7

E

Accepted Answer

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Question 8

What are the most popular routes from Columbus to Illinois?

Accepted Answer

When deciding which route to take from Columbus to Illinois consider Columbus - Chicago O'Hare Intl, Columbus - Chicago Midway or Columbus - Lambert-St Louis as they are the most popular.

Question 9

What are the cheapest flights from Columbus to Illinois?

Accepted Answer

On average you can expect to pay $1,380 for a flight from Columbus to Illinois. The cheapest flight overall is $145 while the most popular route, (Columbus - Chicago O'Hare Intl) is currently priced at $255.

Question 10

What are the most reliable airlines from Columbus to Illinois?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Columbus to Illinois consider choosing Republic Airways (81%), Japan Airlines (79%) or Copa Airlines (78%) as they are the most reliable in getting you off to your destination on time.

Question 11

What are the most popular airlines that fly from Columbus to Illinois?

Accepted Answer

The most popular airlines flying from Columbus to Illinois are United Airlines, American Airlines and Southwest. Something to consider prior to booking your flight.

Question 12

What is the cheapest time of day to fly from CMH to IL?

Accepted Answer

It’s typically best to fly out from Columbus to Illinois in the morning. Doing so could potentially save you 27% on the flight price compared to flying at noon, which is usually more expensive.

Question 13

Can I find deals for flights from Columbus to Illinois that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Columbus to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 14

How can I find direct flights from Columbus to Illinois?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Columbus to Illinois.

Question 15

Can I find deals for business class flights from Columbus to Illinois?

Accepted Answer

Yes. Cheapflights offers flight deals from Columbus to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Popular in	August
Cheapest in	January
Average price	$350

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$158	Average$354	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$177	Average$397	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$179	Average$299	FlexibilityNo cancel fee	On-time71%

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Cheapflights Insights

How far ahead should I book a flight from Columbus to Illinois?

To ensure you get the cheapest price possible for a flight from Columbus to Illinois, you should look to book at least 87 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Columbus to Illinois?

What is the cheapest time of day to fly from CMH to IL?

It’s typically best to fly out from Columbus to Illinois in the morning. Doing so could potentially save you 27% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Columbus to Illinois?

Travelers seeking maximum savings on their Columbus to Illinois flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Columbus to Illinois

The most flights from C01 to USIL are scheduled on a Monday (64 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (36 on average).

Reviews of airlines servicing Illinois

See what other customers who have flown with Southwest,United Airlines, andAmerican Airlines from Columbus to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What are the cheapest airlines to fly from Columbus to Illinois one-way?

What are the most popular routes from Columbus to Illinois?

What are the most reliable airlines from Columbus to Illinois?

What are the cheapest flights from Columbus to Illinois?

Can I find deals for flights from Columbus to Illinois that include hotel bookings?

How can I find direct flights from Columbus to Illinois?

Can I find deals for business class flights from Columbus to Illinois?

What is the cheapest month to book a flight from Columbus to Illinois?

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Alternative routes for Columbus to Illinois

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Complete your trip

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