$167 Find Cheap Flights from Billings to Chicago O'Hare Airport - Compare and Save

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.

2 airlines operate flights between Billings and Chicago O'Hare Intl Airport. The airlines offering nonstop flights on this route include:

• American Airlines
• United Airlines

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

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 O'Hare Intl Airport:

• 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.

The Embraer 175 family is used most often on this route, operated mainly by American Airlines. Other aircraft seen on the route include Embraer 175 (Enhanced Winglets) variants.

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

• Denver Intl (DEN) - 76% of one-stop connections
• Minneapolis St Paul (MSP) - 12% of one-stop connections
• Dallas/Fort Worth (DFW) - 8% of one-stop connections
• Salt Lake City (SLC) - 4% 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 46% on the Billings to Chicago O'Hare Intl Airport route. Wednesday is the cheapest departure day at $321 round-trip on average, while Monday is the most expensive at $593, a difference of $272. 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 O'Hare Intl Airport are Magnificent Mile, Grant Park and River North. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

These are the earliest and latest flight times available from Billings to Chicago O'Hare Intl Airport:

• 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 O'Hare Intl Airport takes 3h 03m, 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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $317 to $1,881. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Billings to Chicago O'Hare Intl Airport 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 4h 55m, compared with 5h 56m 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.

Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates starting from around $17 for economy cars. Top options include:
• Routes Car & Truck Rentals
• Europcar
• Hertz
• Dollar
• Ace

Round-trip flights from Billings to Chicago O'Hare Intl Airport range from $309 to $517, with an average of $406 over the past 12 months. Anything below $309 counts as a good deal.

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.