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CHI - BIL

$168 Find Cheap Flights from Chicago to Billings - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$316
Typical prices: $316-$540
United Airlines
Tue 2/27Sat 3/3
ORD - BIL • 1 stop
Cheapest one-way
$168
Typical prices: $279-$365
Multiple Airlines
Sun 12/2
ORD - BIL • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Chicago and Billings. You'll need to take a connecting flight to reach the destination.
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Top routes
MDW - BIL
Cheapest • 8% average savings
ORD - BIL
Most popular
Insights
Insights
Avoid delays
American Airlines
Most punctual • 91% on-time
Afternoon
Best time • Fewest delays
Insights
Insights
When to book
23 weeks
in advance
Our data shows that travelers who book at least 23 weeks in advance save around 55% compared to booking last minute.
Insights
Insights
When to travel
October
Cheapest • 28% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Minneapolis St Paul (MSP)
Cheapest • Avg $349 (round-trip)
Denver Intl (DEN)
Shortest trip • 5h 50m (one-way)
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Insights
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Flight Deals

Cheap Flights from Chicago to Billings (CHI-BIL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chicago to Billings

Sat, Feb 27 - Wed, Mar 3
United Airlines Logo
8:45 am - 1:23 pmORD  Chicago O'Hare Intl-BIL Billings Logan Intl
5h 38m1 stop Denver Intl
United Airlines Logo
2:42 pm - 9:29 pmBIL  Billings Logan Intl-ORD Chicago O'Hare Intl
5h 47m1 stop Denver Intl
$316United Airlines
Sat, Oct 31 - Sat, Nov 7
Delta Logo
7:35 am - 12:18 pmORD  Chicago O'Hare Intl-BIL Billings Logan Intl
5h 43m1 stop Salt Lake City
Delta Logo
6:30 am - 2:36 pmBIL  Billings Logan Intl-ORD Chicago O'Hare Intl
7h 06m1 stop Minneapolis St Paul
$321Delta
Sat, Nov 7 - Wed, Nov 11
United Airlines Logo
7:00 am - 1:29 pmORD  Chicago O'Hare Intl-BIL Billings Logan Intl
7h 29m1 stop Denver Intl
United Airlines Logo
5:55 pm - 11:59 pmBIL  Billings Logan Intl-ORD Chicago O'Hare Intl
5h 04m1 stop Denver Intl
$321United Airlines
Sat, Feb 27 - Wed, Mar 3
Delta Logo
1:35 pm - 10:32 pmORD  Chicago O'Hare Intl-BIL Billings Logan Intl
9h 57m2 stops Detroit Metropolitan Wayne County Salt Lake City
Delta Logo
12:58 pm - 9:53 pmBIL  Billings Logan Intl-ORD Chicago O'Hare Intl
7h 55m1 stop Salt Lake City
$326Delta
Sat, Feb 27 - Wed, Mar 3
Delta Logo
6:00 am - 12:19 pmORD  Chicago O'Hare Intl-BIL Billings Logan Intl
7h 19m2 stops Minneapolis St Paul Salt Lake City
Delta Logo
12:58 pm - 9:53 pmBIL  Billings Logan Intl-ORD Chicago O'Hare Intl
7h 55m1 stop Salt Lake City
$326Delta
Thu, Dec 3 - Sat, Dec 5
United Airlines Logo
2:35 pm - 9:29 pmORD  Chicago O'Hare Intl-BIL Billings Logan Intl
7h 54m1 stop Denver Intl
United Airlines Logo
5:50 pm - 11:59 pmBIL  Billings Logan Intl-ORD Chicago O'Hare Intl
5h 09m1 stop Denver Intl
$335United Airlines
Fri, Dec 11 - Tue, Dec 15
American Airlines Logo
1:43 pm - 8:49 pmORD  Chicago O'Hare Intl-BIL Billings Logan Intl
8h 06m1 stop Dallas/Fort Worth
American Airlines Logo
1:58 pm - 11:59 pmBIL  Billings Logan Intl-ORD Chicago O'Hare Intl
9h 01m1 stop Dallas/Fort Worth
$353American Airlines
Sat, Feb 27 - Wed, Mar 3
American Airlines Logo
1:46 pm - 8:51 pmORD  Chicago O'Hare Intl-BIL Billings Logan Intl
8h 05m1 stop Dallas/Fort Worth
American Airlines Logo
1:23 pm - 10:00 pmBIL  Billings Logan Intl-ORD Chicago O'Hare Intl
7h 37m1 stop Dallas/Fort Worth
$353American Airlines
Thu, Oct 29 - Mon, Nov 2
Multiple Airlines Logo
6:30 am - 5:01 pmORD  Chicago O'Hare Intl-BIL Billings Logan Intl
35h 31m2 stops Denver Intl Las Vegas Harry Reid Intl
Multiple Airlines Logo
7:59 pm - 5:13 amBIL  Billings Logan Intl-ORD Chicago O'Hare Intl
8h 14m1 stop Las Vegas Harry Reid Intl
$408Multiple Airlines
Fri, Oct 30 - Mon, Nov 2
Multiple Airlines Logo
6:30 am - 5:01 pmORD  Chicago O'Hare Intl-BIL Billings Logan Intl
11h 31m2 stops Denver Intl Las Vegas Harry Reid Intl
Multiple Airlines Logo
7:59 pm - 5:13 amBIL  Billings Logan Intl-ORD Chicago O'Hare Intl
8h 14m1 stop Las Vegas Harry Reid Intl
$417Multiple Airlines
Booking Insights

Price, demand and travel trends for Chicago to Billings flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Chicago to Billings?

Round-trip flights from Chicago to Billings typically range from $316 to $540. The lowest price found in the past 5 days was $316, on United Airlines.

What is the cheapest Chicago to Billings flight route?

Chicago Midway Airport (MDW) to Billings (BIL) is the cheapest Chicago to Billings route, averaging $360 round-trip. Other Chicago to Billings routes average $421, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Chicago to Billings?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Chicago to Billings. It’s 22% cheaper than the average day, while Monday is the most expensive, with prices 27% higher.

What’s the cheapest month to fly from Chicago to Billings?

•October is the cheapest month to fly from Chicago to Billings at $300 round-trip.
•November ($589) and June ($569) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 96% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Chicago to Billings the cheapest?

Flights from Chicago to Billings are cheapest 23 weeks before departure. Booking in this window typically costs about 55% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Chicago to Billings flights

Low season

December

Cheapest flight

$168
Beat the crowds with an average 65% drop in travelers.
The most popular month to fly with an average 165% increase in travelers.
One-way flight from Chicago O'Hare Intl Airport to Billings

When to book flights from Chicago to Billings

Are your dates flexible? Find out the best times to travel from Chicago to Billings based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Chicago to Billings flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Chicago to Billings?

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

    • Earliest: departs at 9:41 am and lands at 12:57 pm
    • Latest: departs at 9:41 am and lands at 12:57 pm.

    The flight takes about 3h 16m.

  • What cabin classes can I book on flights from Chicago to Billings?

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

  • How long is a flight from Chicago to Billings?

    A nonstop flight from Chicago to Billings takes 3h 16m, covering 1,073 miles.

  • Do I need a passport to fly from Chicago to Billings?

    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.

  • How much should I expect to pay for a Chicago to Billings flight?

    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.

  • How expensive are last-minute Chicago to Billings flights?

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

  • How much can I save by taking a layover when flying 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.

  • What is the standard checked-bag allowance on flights from Chicago to Billings?

    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.

  • Have flight prices from Chicago to Billings changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $316 to $1,700. That means the highest observed fare was about 5x higher than the lowest one.

  • Which airlines offer Wi-Fi on Chicago to Billings flights?

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

  • How are flight prices from Chicago to Billings looking right now?

    One-way fares from Chicago to Billings are currently lower than usual. Average one-way flight prices are about $218, which is 33% below the typical average for this route.

  • What car rental options are available at Billings Logan Intl Airport (BIL)?

    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

  • Which airports can I use when flying from Chicago to Billings?

    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).

  • What time of day has the fewest delays on flights from Chicago to Billings?

    Afternoon flights have the fewest delays on this route, while evening departures tend to have the most.

  • At what point is a flight considered delayed from Chicago to Billings?

    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, 9% of flights were delayed in the past 3 months, with delays averaging 2h 17m.

  • Which airports do connecting flights from Chicago to Billings pass through?

    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

  • Can I save money by using flexible dates for flights from Chicago to Billings?

    Yes. Flexible dates can save you up to 39% on flights from Chicago to Billings. Saturday is the cheapest departure day at $325 round-trip on average, while Monday is the most expensive at $532, a difference of $207.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What airlines fly from Chicago to Billings?

    Only American Airlines operates flights between Chicago and Billings.

  • How much time can I save by choosing a different layover airport from Chicago to Billings?

    Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 5h 26m, compared with 5h 50m via Denver Intl (DEN) and 6h 09m via Salt Lake City (SLC).

  • What is the time difference between Chicago and Billings?

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

  • Which airlines offer extra legroom and free seat selection on Chicago to Billings flights?

    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.

  • Which airlines include bags at no extra cost on Chicago to Billings flights?

    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 always check the fare details before booking.

Your guide to booking Chicago to Billings flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Monday. On this route, Saturday flights average $325, about $207 less than Monday fares (39% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 23 weeks before you fly. On this route, that window historically saves about 55% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Chicago to Billings trip for October. Fares historically average $300 round-trip in that month - typically $289 less than the most expensive month, which is November (based on the last 12 months).
  • For the best chance of arriving on time, fly with American Airlines. Over the past three months, 91% of American Airlines flights from Chicago to Billings arrived on time, slightly above the route average of 91%. When flights on this route arrive late, they're delayed by an average of 2h 17m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Minneapolis St Paul Airport (MSP) can be cheaper than flying direct. The cheapest layover option averages $349 round-trip on this route - about $105 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Billings Logan Intl Airport.

    • Hilltop Inn by Riversage

More options for your flight from Chicago to Billings

Complete your trip to Billings with a hotel stay or car rental

Car rentals in Billings
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