BIL

$137 Find Cheap Flights from Illinois to Billings

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Billings departing on 4/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$240
Delta
Sat 3/14Tue 3/17
ORD - BIL • 1 stop
Cheapest non-stop
$309
United Airlines
Sat 6/13Sat 6/20
ORD - BIL • Non-stop
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from Illinois to Billings

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Billings that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Billings

Sat, Mar 14 - Tue, Mar 17
Delta Logo
3:59 pm - 8:20 pm
ORD
-
BIL
5h 21m
1 stop
Delta Logo
5:15 am - 12:23 pm
BIL
-
ORD
6h 08m
1 stop
$240Delta
Thu, Feb 26 - Tue, Mar 3
Delta Logo
1:49 pm - 7:39 pm
MDW
-
BIL
6h 50m
1 stop
Delta Logo
6:20 am - 1:05 pm
BIL
-
MDW
5h 45m
1 stop
$249Delta
Tue, Feb 3 - Sat, Feb 7
United Airlines Logo
7:00 am - 1:24 pm
ORD
-
BIL
7h 24m
1 stop
United Airlines Logo
2:45 pm - 9:15 pm
BIL
-
ORD
5h 30m
1 stop
$249United Airlines
Thu, Feb 26 - Tue, Mar 3
Delta Logo
1:49 pm - 7:39 pm
MDW
-
BIL
6h 50m
1 stop
Delta Logo
6:20 am - 5:37 pm
BIL
-
MDW
10h 17m
2 stops
$254Delta
Tue, Feb 3 - Sat, Feb 7
Delta Logo
11:15 am - 10:31 pm
ORD
-
BIL
12h 16m
2 stops
Delta Logo
6:00 am - 12:15 pm
BIL
-
ORD
5h 15m
1 stop
$254Delta
Tue, Feb 24 - Tue, Mar 3
Delta Logo
1:49 pm - 7:39 pm
MDW
-
BIL
6h 50m
1 stop
Delta Logo
6:20 am - 1:05 pm
BIL
-
MDW
5h 45m
1 stop
$269Delta
Fri, Feb 27 - Wed, Mar 4
Delta Logo
3:59 pm - 7:39 pm
ORD
-
BIL
4h 40m
1 stop
Delta Logo
6:20 am - 11:45 am
BIL
-
ORD
4h 25m
1 stop
$269Delta
Sat, Feb 7 - Tue, Feb 17
United Airlines Logo
7:00 am - 1:24 pm
ORD
-
BIL
7h 24m
1 stop
United Airlines Logo
5:53 pm - 11:59 pm
BIL
-
ORD
5h 06m
1 stop
$275United Airlines
Tue, Feb 10 - Tue, Feb 17
United Airlines Logo
7:00 am - 1:24 pm
ORD
-
BIL
7h 24m
1 stop
United Airlines Logo
5:53 pm - 11:59 pm
BIL
-
ORD
5h 06m
1 stop
$277United Airlines
Sun, Mar 1 - Sat, Mar 7
Multiple Airlines Logo
10:11 pm - 9:32 am
STL
-
BIL
12h 21m
1 stop
Multiple Airlines Logo
2:49 pm - 9:02 pm
BIL
-
STL
29h 13m
1 stop
$368Multiple Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$116
Best time to beat the crowds but there is an average 9% increase in price.
Most popular time to fly with an average 8% increase in price.
Flight from Chicago O'Hare Airport to Billings

FAQs for booking flights from Illinois to Billings

  • How does KAYAK find such low prices on flights from Illinois to Billings?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Billings.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Billings?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Billings from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Billings?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Billings with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Billings?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Billings from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Billings

Information on the airport you'll fly into in Billings

Billings (BIL)