BIL

$203 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 8/26. 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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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, Jul 11 - Sat, Jul 18
Delta Logo
5:00 pm - 10:53 pm
ORD
-
BIL
6h 53m
1 stop
Delta Logo
6:24 am - 3:05 pm
BIL
-
ORD
7h 41m
1 stop
$271Delta
Sat, Aug 22 - Thu, Aug 27
American Airlines Logo
7:55 am - 10:05 am
ORD
-
BIL
3h 10mnonstop
American Airlines Logo
12:22 pm - 4:23 pm
BIL
-
ORD
3h 01mnonstop
$282American Airlines
Mon, Aug 17 - Sat, Aug 22
Delta Logo
5:57 pm - 11:30 pm
ORD
-
BIL
6h 33m
1 stop
Delta Logo
5:20 am - 11:59 am
BIL
-
ORD
5h 39m
1 stop
$302Delta
Fri, Sep 4 - Tue, Sep 8
Delta Logo
1:51 pm - 8:12 pm
MDW
-
BIL
7h 21m
1 stop
Delta Logo
6:15 am - 1:11 pm
BIL
-
MDW
5h 56m
1 stop
$302Delta
Mon, Aug 17 - Sat, Aug 22
Delta Logo
1:41 pm - 10:25 pm
ORD
-
BIL
9h 44m
2 stops
Delta Logo
5:20 am - 11:59 am
BIL
-
ORD
5h 39m
1 stop
$307Delta
Fri, Sep 4 - Tue, Sep 8
Delta Logo
12:46 pm - 8:12 pm
MDW
-
BIL
8h 26m
2 stops
Delta Logo
6:15 am - 1:11 pm
BIL
-
MDW
5h 56m
1 stop
$307Delta
Sat, Aug 22 - Thu, Aug 27
United Airlines Logo
8:40 am - 11:02 am
ORD
-
BIL
3h 22mnonstop
United Airlines Logo
2:29 pm - 10:45 pm
BIL
-
ORD
7h 16m
1 stop
$321United Airlines
Sat, Sep 19 - Tue, Sep 22
United Airlines Logo
5:51 pm - 10:53 pm
ORD
-
BIL
6h 02m
1 stop
United Airlines Logo
4:07 pm - 11:59 pm
BIL
-
ORD
6h 52m
1 stop
$361United Airlines
Tue, Jul 14 - Tue, Jul 28
United Airlines Logo
5:10 am - 9:36 am
STL
-
BIL
5h 26m
1 stop
United Airlines Logo
6:00 pm - 11:57 pm
BIL
-
STL
4h 57m
1 stop
$379United Airlines
Tue, Sep 1 - Wed, Sep 9
American Airlines Logo
4:32 pm - 10:47 pm
MLI
-
BIL
7h 15m
1 stop
American Airlines Logo
7:00 am - 4:03 pm
BIL
-
MLI
8h 03m
1 stop
$441American Airlines
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Good to know

Low seasonJanuary
Cheapest flight$203
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly with an average 12% 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)