Book cheap flights to Chicago - Rockford

Compare cheap flights to Chicago - Rockford (United States) on Opodo, all in one search. View airlines, times, layovers and fares, then filter by departure time or journey length to find the best flight for you.

The lowest fare to Chicago - Rockford booked on Opodo in recent days was £33. Use this as a guide only, as the final price will vary depending on your travel dates and how far in advance you book.

Allegiant Air is the airline most often chosen by travellers heading to Chicago - Rockford.

The ideal time to visit Chicago - Rockford may well come down to the weather you prefer. In Chicago - Rockford, average temperatures sit at around 28ºC during the hottest months and -9ºC during the coldest ones. Keep this in mind when deciding when to fly, what to pack and how to spend your time once you arrive.

• Highs: roughly 29ºC in the warmest months
• Lows: close to -10ºC in the coldest months
• Hottest month: July
• Coldest month: January
• Driest month: January
• Wettest month: June

Allegiant Air flies direct to Chicago - Rockford. Non-stop routes are available from the following cities:

• Punta Gorda with Allegiant Air
• Sarasota - Bradenton with Allegiant Air
• Tampa, FL with Allegiant Air

You can also fly to Chicago - Rockford making a stop along the way with airlines such as Allegiant Air. Here are some of the departure cities and the airline serving each route:

A handful of simple checks can help you cut the cost of your trip to Chicago - Rockford:

• Flexible dates: look at a few different departure days before you decide. Flying a day earlier or later can sometimes make a real difference to the price.
• Nearby airports: it's worth weighing up the alternatives. A smaller airport not too far from Chicago - Rockford might be cheaper to fly into than the main one.
• Baggage: check what's included with each fare before you confirm. Knowing your allowance ahead of time means no nasty surprises at the airport.

Before you set off, double-check United States's entry requirements and leave yourself plenty of time to get your paperwork in order.

Don't forget that adding a hotel to your booking unlocks exclusive discounts on your stay. You can add car hire to the same booking too, and you may find further savings by bundling it with your flights and accommodation.