$141 Find Cheap Flights from Chicago to Billings - Compare and Save

Among airlines operating Chicago to Billings flights:

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

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

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

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

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
• United Airlines: a cabin bag in Economy Class class

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

Only Economy Class is available on flights from Chicago to Billings.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $349 round-trip via Minneapolis St Paul (MSP), compared to $454 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 Chicago to Billings most commonly connect through:

• Denver Intl (DEN) - 73% of one-stop connections
• Minneapolis St Paul (MSP) - 20% of one-stop connections
• Dallas/Fort Worth (DFW) - 4% of one-stop connections
• Salt Lake City (SLC) - 2% of one-stop connections

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

On the Chicago to Billings route, being flexible with your departure day can save you up to 39%. Saturday is the cheapest day at $325 round-trip on average, while Monday is the most expensive at $532: a $207 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Chicago to Billings route, 12% of flights were delayed in the past 3 months, with delays averaging 2 hours 8 minutes.

Morning is the busiest departure period on Chicago to Billings flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.

A nonstop flight from Chicago to Billings takes 3h 14m, covering 1,073 miles.

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

• Earliest: departs at 7:38 am and lands at 10:52 am
• Latest: departs at 9:45 am and lands at 12:59 pm.

The flight takes about 3h 14m.

Last-minute fares on this route - booked within 2 weeks of departure - run 33% above the route average of $416. Book 23 weeks before departure for the lowest fares.

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 $281 to $1,691. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Chicago to Billings are currently lower than usual. Average one-way flight prices are about $185, which is 43% below the typical average for this route.

Afternoon flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 5h 26m, compared with 5h 51m via Denver Intl (DEN) and 6h 09m via Salt Lake City (SLC).

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

Billings Logan Intl Airport (BIL) hosts 5 major car rental companies, with daily rates starting from around $11 for economy cars. Top options include:
· Rent-A-Wreck
· Budget
· Avis
· Alamo
· Hertz

Round-trip flights from Chicago to Billings range from $316 to $540, with an average of $416 over the past 12 months. Anything below $316 counts as a good deal.

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