Cheap Flights from Billings (BIL) to Chicago (ORD)

View AU$429 flight on Sat, 18 July 2026Opens in a new window

Popular airlines from Billings Logan Intl. Airport (BIL) to Chicago O'Hare International Airport (ORD)

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Cheap Flights from Billings (BIL) to Chicago (ORD)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What is the cheapest month to fly from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
January is typically the cheapest month to fly from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.), with average return fares of approximately 825 AUD. This is about 27% lower than the average price throughout the year. January sees lower prices because it falls after the holiday travel rush, when demand drops and airlines compete for bookings. Other cheap months to fly from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.) include August and September.
Which airlines fly direct from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
Enter BIL to ORD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
To find a cheap flight from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The best airline to fly with from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.) will differ from traveller to traveller. If you like to fly early, UA offers early morning flights. If price is the most important factor, AA typically offers the lowest fares. AS offers the most daily flights from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
Based on booking data from the past year, if you're looking for the best time to fly from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.), you'll find the cheapest fares in January and September, with average prices around 825 AUD. While October is the most popular month for this route, offering plenty of flight options, it's not the cheapest. So, for the best value, aim for January or September.
How many flights per day from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
There are approximately 2 nonstop flights per day from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.). For even more choice, look at flights that include layovers, as there are around 15 connecting flights per day. Some common connection points include Denver Intl. (DEN), Seattle - Tacoma Intl. (SEA), and Dallas-Fort Worth Intl. (DFW).
What is the earliest flight from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The earliest flight from Billings, MT (BIL-Logan Intl.) (BIL) to Chicago, IL (ORD-O'Hare Intl.) (ORD) typically departs at approximately 5:00 AM local time, operated by United Airlines. This is a seasonal service active in August and September. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
You'll typically find the most flights from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.) on a Monday, with around 13 flights available. This gives you a good selection for your travel plans. Major airlines on this route include United Airlines, Alaska Airlines, and Delta Air Lines. Flight schedules are consistent throughout the week.
What are the most popular departure times for flights from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The most popular departure times for flights from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.) are in the early morning, from 6am to 9am. Around 32% of passengers reckon this time's best. Heaps of major carriers, including Delta Air Lines, United Airlines and Alaska Airlines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day and arrive at your destination with plenty of time.
How long does it take to fly from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
A nonstop flight from BIL to ORD typically takes around 3 hours, covering approximately 1,058 miles. Connecting flights on this route usually add 2 hours 30 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
Select the "Business class" and "First class" filters when looking for BIL to ORD flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight with Expedia?
It's easy to earn miles on a Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Chicago from Logan Intl. (BIL)?
From Logan Intl. (BIL), you can fly into Midway Intl. (MDW) and O'Hare Intl. (ORD) in Chicago. Some flights may connect through major hubs like Denver Intl. (DEN), Minneapolis - St. Paul Intl. (MSP), Salt Lake City Intl. (SLC) before reaching Chicago. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.) at the last minute?
Typically, booking a last minute flight from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package?
Securing a Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
If you booked your Billings, MT (BIL-Logan Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Logan Intl.
Destination airport
O'Hare Intl.
Distance
1692 km

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Your quick guide to flights from Billings to Chicago

Pick up great flights from Billings to Chicago

With Expedia, you have your pick of flights a day with 18 airlines covering flights from Billings to Chicago. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Billings to Chicago that take around hours.

Find cheap flights from Billings to Chicago

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Billings to Chicago around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Chicago is normally in .

Reasons to book your flight from Billings to Chicago with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Billings to Chicago across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Chicago right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Billings to Chicago

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