Cheap flights from Chicago O'Hare Intl Airport to Billings from $150
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Billings departing on 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Chicago O'Hare Intl Airport to Billings
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
American Airlines flights from Chicago O'Hare Intl Airport to Billings
Our best American Airlines deals on Chicago O'Hare Intl Airport to Billings flight tickets
Delta flights from Chicago O'Hare Intl Airport to Billings
Our best Delta deals on Chicago O'Hare Intl Airport to Billings flight tickets
See travel insights to Billings from
How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Billings
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Billings?
Our data shows that Monday is the least expensive day to fly to Billings. Tickets to fly out on this day can be as low as $365. Flights from Chicago O'Hare Intl Airport to Billings on a Saturday will generally be more expensive and average around $551. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Billings?
According to our data, the cheapest time of day to fly to Billings is in the evening. momondo users have found flights departing from Chicago O'Hare Intl Airport to Billings in the evening for as low as $330. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Billings, so prices are often more expensive at around $628 per ticket.
What is the cheapest Chicago O'Hare Intl to Billings Logan Intl flight route?
Fly from Chicago O'Hare Intl to Billings Logan Intl for the best Chicago O'Hare Intl - Billings Logan Intl flight prices
What cabin class options are available on Chicago O'Hare Intl to Billings Logan Intl flights?
There are 3 cabin classes available to choose from on Chicago O'Hare Intl to Billings Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Chicago O'Hare Intl to Billings Logan Intl?
American Airlines, United Airlines, and Alaska Airlines are the most popular carriers operating from Chicago O'Hare Intl to Billings Logan Intl
What airlines fly to Billings?
United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Billings from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Billings. Keep in mind that there are 3 different airlines that fly to Billings on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago O'Hare Intl Airport to Billings on average per day?
1 flights are operational daily from Chicago O'Hare Intl Airport to Billings as of July 2025. The most popular departure time for this route is 8:00PM, with 53% of flights per day taking off at noon.
How many flights depart from Chicago O'Hare Intl Airport to Billings on average per week?
As of July 2025, there are 10 flights per week flying from Chicago O'Hare Intl Airport to Billings. The most common day of the week flights depart is Thu, with 40% of flights taking off on this day.
When to book flights from Chicago O'Hare Intl Airport to Billings
Cheap Chicago O'Hare Intl Airport to Billings (ORD to BIL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Billings
How far is Chicago O'Hare Intl to Billings Logan Intl by plane?
The distance between Chicago O'Hare Intl and Billings Logan Intl is about 1054.8 mi. A reasonable flight in good conditions will take 3h 04m.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Billings Logan Intl Airport?
Prices for flights from Chicago O'Hare Intl Airport to Billings Logan Intl Airport were last updated today.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Billings Logan Intl Airport?
As of July 2025, there are 3 operators available to choose from for flights from Chicago O'Hare Intl Airport to Billings Logan Intl Airport.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Billings Logan Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Billings Logan Intl Airport.
What documentation or ID do you need to fly to Billings Logan Intl Airport?
The required travel and health documents for your Billings Logan Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Billings Logan Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Chicago O'Hare Intl Airport to Billings?
momondo data reveals that the most frequently booked plane model on the route from Chicago O'Hare Intl Airport to Billings is Embraer 175 (Enhanced Winglets), representing 35.54% of all bookings. The subsequent popular models are Embraer 175 at 31.93%, Embraer 170 at 31.33%, and Boeing 737 MAX 9 at 0.60%.
What is the most popular airline from Chicago O'Hare Intl Airport to Billings?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago O'Hare Intl Airport to Billings is American Airlines (49% of total bookings). The next most popular airlines are United Airlines (40%) and Delta (10%).
Best airlines flying from Chicago O'Hare Intl Airport to Billings
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Billings with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $248 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $296 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $306 | Free Cancellation | Rating 7.4 8,861 reviews |
United Airlines Flights From Chicago O'Hare Intl Airport to Billings
United Airlines flies from Chicago O'Hare Intl Airport to Billings around 7 times per week, with 8,861 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Chicago O'Hare Intl Airport to Billings in the last 72 hours was $306 (round-trip), much lower than the average airfare cost of $462 for United Airlines flights on this route.
American Airlines Flights From Chicago O'Hare Intl Airport to Billings
American Airlines (7.2/10 from 10,000 reviews) operates around 2 flights from Chicago O'Hare Intl Airport to Billings in any given week. The average American Airlines airfare for this route is around $496, with deals from around $296 rare but found on momondo. Referenced prices are for round-trip Chicago O'Hare Intl Airport to Billings flight searches in the last 72 hours.
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Billings?
Finding the right flight to Billings from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Billings quick and easy, saving you time and money.
Can I find flights from Chicago to Billings with flexible booking policies on momondo?
All flight searches from Chicago to Billings on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Chicago to Billings?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Billings.
I’m not ready to book a flight from Chicago to Billings right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Billings, momondo offers a useful price alert feature which will track prices for flights to Billings from Chicago and alert you when they change.