$167 Find Cheap Flights from Billings to Chicago - Compare and Save

Among airlines operating Billings to Chicago flights:

• American Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Billings and Chicago. The airlines offering nonstop flights on this route include:

• American Airlines
• United Airlines

Flights from Billings to Chicago usually depart from Billings Logan Intl (BIL) and may arrive at several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD).

Here are some options for this route, based on selected ticket types and cabin classes:

• American Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Billings to Chicago:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $279 round-trip via Salt Lake City (SLC), compared to $450 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

One-stop flights from Billings to Chicago most commonly connect through:

• Denver Intl (DEN) - 56% of one-stop connections
• Minneapolis St Paul (MSP) - 35% of one-stop connections
• Dallas/Fort Worth (DFW) - 6% of one-stop connections
• Salt Lake City (SLC) - 3% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 41% on the Billings to Chicago route. Wednesday is the cheapest departure day at $321 round-trip on average, while Monday is the most expensive at $537, a difference of $216. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Some of the most popular sights in Chicago are Magnificent Mile, Grant Park and River North. These are among the most viewed places in Chicago on KAYAK.

These are the earliest and latest flight times available from Billings to Chicago:

• Earliest: departs at 11:43 am and lands at 2:46 pm
• Latest: departs at 12:28 pm and lands at 3:31 pm.

The flight takes about 3h 03m.

A nonstop flight from Billings to Chicago takes 3h 03m, covering 1,073 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $307 to $1,841. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Billings to Chicago are currently lower than usual. Average one-way flight prices are about $172, which is 42% below the typical average for this route.

Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 5h 33m, compared with 5h 56m via Denver Intl (DEN) and 6h 54m via Salt Lake City (SLC).

Chicago is 1 hour ahead of Billings (Central Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Since Chicago is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Chicago O'Hare Intl Airport (ORD) — daily rates from around $17:

• Routes Car & Truck Rentals
• Europcar
• Hertz
• Dollar
• Ace

Near Chicago Midway Airport (MDW) — daily rates from around $32:

• Hertz
• Dollar
• Budget
• Alamo
• Rent-A-Wreck

Near Chicago Greater Rockford Airport (RFD) — daily rates from around $30:

• Alamo
• Enterprise Rent-A-Car
• Budget
• Avis
• National

Round-trip flights from Billings to Chicago range from $315 to $549, with an average of $417 over the past 12 months. Anything below $315 counts as a good deal.

American Airlines is the only airline on the Billings to Chicago route offering in-flight Wi-Fi. Pricing depends on fare class.