$150 Find Cheap Flights from Billings to Chicago O'Hare Airport - Compare and Save

Two cabin classes are available on flights from Billings to Chicago O'Hare Intl Airport:

• Economy Class
• First Class

A nonstop flight from Billings to Chicago O'Hare Intl Airport takes 00m, covering 1,057 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.

Round-trip flights from Billings to Chicago O'Hare Intl Airport range from $330 to $546, with an average of $447 over the past 12 months. Anything below $330 counts as a good deal.

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 $466 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.

The Embraer 175 family is used most often on this route, operated mainly by American Airlines. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $336 to $1,375. That means the highest observed fare was about 4x higher than the lowest one.

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

One-way fares from Billings to Chicago O'Hare Intl Airport are currently lower than usual. Average one-way flight prices are about $175, which is 44% below the typical average for this route.

Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates averaging $64 for economy cars. Top options include:

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

Flights from Billings to Chicago O'Hare Intl Airport usually depart from Billings Logan Intl (BIL) and arrive at Chicago O'Hare Intl (ORD).

One-stop flights from Billings to Chicago O'Hare Intl Airport most commonly connect through:

• Denver Intl (DEN) - 83% of one-stop connections
• Dallas/Fort Worth (DFW) - 8% of one-stop connections
• Minneapolis St Paul (MSP) - 6% of one-stop connections
• Salt Lake City (SLC) - 4% of one-stop connections

Yes. Flexible dates can save you up to 40% on flights from Billings to Chicago O'Hare Intl Airport. Thursday is the cheapest departure day at $358 round-trip on average, while Monday is the most expensive at $593, a difference of $235.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 5h 05m, compared with 5h 55m via Denver Intl (DEN) and 6h 54m via Salt Lake City (SLC).

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

Some of the most popular sights in Chicago O'Hare Intl Airport are Magnificent Mile, Grant Park and Soldier Field. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

Among airlines operating Billings to Chicago O'Hare Intl Airport flights:

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

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

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 always check the fare details before booking.