$138+ Cheap flights from Chicago (CHI) to Billings (BIL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BIL
Apr 30 — May 71
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Chicago to Billings with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Chicago to Billings
Cheapest
Best
Last-minute
One-way
Cheapest flights from Chicago to BillingsExplore the most affordable flight options available from Chicago to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2026.
Explore the most affordable flight options available from Chicago to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2026.
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:52 pm
ORD
- BIL
Nonstop3h 23m
United Airlines
Wed 6/176:00 pm
BIL
- ORD
1 stop5h 44m
United Airlines
Deal found 3/31![United Airlines logo]()
$261
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:20 pm
ORD
- BIL
Nonstop3h 02m
American Airlines
Wed 10/72:02 pm
BIL
- ORD
Nonstop2h 58m
American Airlines
Deal found 3/29![American Airlines logo]()
$270
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/153:50 pm
ORD
- BIL
1 stop7h 47m
Delta
Sat 8/225:45 am
BIL
- ORD
1 stop5h 36m
Delta
Deal found 3/29![Delta logo]()
$271
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:12 pm
MDW
- BIL
1 stop6h 54m
Delta
Tue 5/56:24 am
BIL
- MDW
1 stop6h 08m
Delta
Deal found 3/29![Delta logo]()
$271
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:07 pm
ORD
- BIL
2 stops9h 40m
Delta
Tue 7/286:24 am
BIL
- ORD
1 stop4h 08m
Delta
Deal found 3/29![Delta logo]()
$276
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:52 pm
ORD
- BIL
Nonstop3h 23m
United Airlines
Mon 6/14:10 pm
BIL
- ORD
1 stop5h 39m
United Airlines
Deal found 3/30![United Airlines logo]()
$280
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:36 pm
ORD
- BIL
2 stops9h 48m
Delta
Tue 5/55:20 am
BIL
- ORD
2 stops9h 58m
Delta
Deal found 3/30![Delta logo]()
$281
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:40 am
ORD
- BIL
Nonstop3h 22m
United Airlines
Sat 8/222:25 pm
BIL
- ORD
1 stop5h 47m
United Airlines
Deal found 3/29![United Airlines logo]()
$286
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:41 pm
ORD
- BIL
1 stop6h 33m
Delta
Sun 6/146:24 am
BIL
- ORD
1 stop4h 07m
Delta
Deal found 3/31![Delta logo]()
$290
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:13 pm
MDW
- BIL
1 stop5h 01m
Delta
Mon 6/16:30 am
BIL
- MDW
1 stop5h 49m
Delta
Deal found 3/30![Delta logo]()
$290
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:07 pm
ORD
- BIL
2 stops9h 40m
Delta
Thu 7/306:24 am
BIL
- ORD
1 stop4h 08m
Delta
Deal found 3/29![Delta logo]()
$295
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:13 pm
MDW
- BIL
1 stop5h 01m
Delta
Wed 5/136:30 am
BIL
- MDW
2 stops11h 03m
Delta
Deal found 3/28![Delta logo]()
$295
Best flights from Chicago to BillingsDiscover carefully curated flight deals from Chicago to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 31, 2026.
Discover carefully curated flight deals from Chicago to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 31, 2026.
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:50 pm
ORD
- BIL
1 stop7h 47m
Delta
Sat 9/195:45 am
BIL
- ORD
1 stop5h 36m
Delta
Deal found 3/29![Delta logo]()
$271
This United Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:00 am
ORD
- BIL
1 stop5h 34m
United Airlines
Mon 8/106:00 pm
BIL
- ORD
1 stop5h 44m
United Airlines
Deal found 3/28![United Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:12 pm
MDW
- BIL
1 stop6h 54m
Delta
Tue 5/56:24 am
BIL
- MDW
1 stop6h 08m
Delta
Deal found 3/29![Delta logo]()
$271
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:54 pm
ORD
- BIL
1 stop6h 26m
Delta
Tue 7/285:18 am
BIL
- ORD
1 stop5h 41m
Delta
Deal found 3/29![Delta logo]()
$290
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:13 pm
MDW
- BIL
1 stop5h 01m
Delta
Wed 5/136:30 am
BIL
- MDW
2 stops11h 03m
Delta
Deal found 3/28![Delta logo]()
$295
This United Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/292:35 pm
ORD
- BIL
1 stop8h 30m
United Airlines
Tue 5/52:30 pm
BIL
- ORD
1 stop5h 53m
United Airlines
Deal found 3/28![United Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:50 pm
ORD
- BIL
1 stop7h 47m
Delta
Sat 8/225:45 am
BIL
- ORD
2 stops10h 03m
Delta
Deal found 3/31![Delta logo]()
$320
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:16 pm
MDW
- BIL
1 stop5h 21m
Delta
Tue 6/236:24 am
BIL
- MDW
1 stop5h 45m
Delta
Deal found 3/30![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/191:49 pm
MDW
- BIL
2 stops9h 57m
Delta
Tue 6/236:24 am
BIL
- MDW
1 stop5h 45m
Delta
Deal found 3/30![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:50 pm
ORD
- BIL
1 stop7h 47m
Delta
Sat 8/225:45 am
BIL
- ORD
1 stop5h 36m
Delta
Deal found 3/27![Delta logo]()
$435
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:13 pm
MDW
- BIL
1 stop5h 01m
Delta
Thu 5/216:30 am
BIL
- MDW
1 stop5h 49m
Delta
Deal found 3/30![Delta logo]()
$444
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:22 pm
MDW
- BIL
2 stops10h 30m
Delta
Thu 5/146:30 am
BIL
- MDW
1 stop5h 49m
Delta
Deal found 3/28![Delta logo]()
$554
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:16 pm
MDW
- BIL
1 stop5h 21m
Delta
Wed 6/176:24 am
BIL
- MDW
1 stop5h 45m
Delta
Deal found 3/29![Delta logo]()
$559
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:13 pm
MDW
- BIL
1 stop5h 01m
Delta
Fri 5/296:30 am
BIL
- MDW
2 stops8h 42m
Delta
Deal found 3/27![Delta logo]()
$624
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:24 pm
MDW
- BIL
2 stops10h 00m
Delta
Mon 5/46:24 am
BIL
- MDW
2 stops10h 34m
Delta
Deal found 3/31![Delta logo]()
$629
Last-minute flights from Chicago to BillingsDiscover last-minute flight deals from Chicago to Billings. Data last updated March 31, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Billings. Data last updated March 31, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:35 pm
ORD
- BIL
1 stop7h 22m
United Airlines
Sat 4/112:35 pm
BIL
- ORD
1 stop7h 23m
United Airlines
Deal found 3/28![United Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:10 am
ORD
- BIL
2 stops12h 19m
Delta
Sat 4/116:25 am
BIL
- ORD
1 stop4h 05m
Delta
Deal found 3/28![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:05 pm
MDW
- BIL
1 stop7h 14m
Delta
Sat 4/115:15 am
BIL
- MDW
2 stops11h 39m
Delta
Deal found 3/28![Delta logo]()
$428
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/115:00 pm
ORD
- BIL
1 stop6h 29m
Delta
Wed 4/155:20 am
BIL
- ORD
1 stop5h 31m
Delta
Deal found 3/27![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:19 am
ORD
- BIL
2 stops12h 05m
Delta
Tue 4/215:20 am
BIL
- ORD
1 stop5h 31m
Delta
Deal found 3/27![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:12 pm
MDW
- BIL
1 stop6h 54m
Delta
Sun 4/196:24 am
BIL
- MDW
1 stop6h 08m
Delta
Deal found 3/31![Delta logo]()
$469
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:36 pm
ORD
- BIL
2 stops9h 48m
Delta
Wed 4/295:20 am
BIL
- ORD
1 stop5h 31m
Delta
Deal found 3/27![Delta logo]()
$295
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:24 pm
MDW
- BIL
2 stops10h 00m
Delta
Mon 4/276:24 am
BIL
- MDW
2 stops10h 34m
Delta
Deal found 3/31![Delta logo]()
$629
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/261:24 pm
MDW
- BIL
2 stops10h 00m
Delta
Sun 5/36:24 am
BIL
- MDW
1 stop6h 08m
Delta
Deal found 3/27![Delta logo]()
$649
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:36 pm
ORD
- BIL
2 stops9h 48m
Delta
Tue 5/55:20 am
BIL
- ORD
2 stops9h 58m
Delta
Deal found 3/30![Delta logo]()
$281
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/292:35 pm
ORD
- BIL
1 stop8h 30m
United Airlines
Tue 5/52:30 pm
BIL
- ORD
1 stop8h 27m
United Airlines
Deal found 3/30![United Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:57 am
ORD
- BIL
1 stop7h 24m
American Airlines
Tue 5/51:51 pm
BIL
- ORD
1 stop7h 09m
American Airlines
Deal found 3/31![American Airlines logo]()
$367
One-way flights from Chicago to BillingsSearch for one-way flight options from Chicago to Billings. Find affordable one-way fares based on user searches. Data last updated March 31, 2026.
Search for one-way flight options from Chicago to Billings. Find affordable one-way fares based on user searches. Data last updated March 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:58 pm
ORD
- BIL
1 stop13h 16m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:59 pm
ORD
- BIL
1 stop12h 10m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:28 pm
ORD
- BIL
2 stops17h 46m
Multiple Airlines
Deal found 3/26![Multiple Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:42 pm
ORD
- BIL
2 stops36h 28m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/259:59 pm
ORD
- BIL
1 stop12h 11m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$169
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:49 am
ORD
- BIL
Nonstop3h 16m
American Airlines
Deal found 3/30![American Airlines logo]()
$172
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:00 am
ORD
- BIL
1 stop5h 34m
United Airlines
Deal found 3/30![United Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:13 pm
MDW
- BIL
1 stop5h 01m
Delta
Deal found 3/28![Delta logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/168:11 pm
MDW
- BIL
2 stops43h 39m
Allegiant Air
Deal found 3/30![Allegiant Air logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:00 am
MDW
- BIL
3 stops28h 14m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$236
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:06 pm
MDW
- BIL
1 stop5h 14m
Delta
Deal found 3/31![Delta logo]()
$244
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:13 pm
MDW
- BIL
1 stop5h 01m
Delta
Deal found 3/29![Delta logo]()
$262
Find flight deals from Chicago to Billings
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Billings (BIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $261 (United Airlines) |
One-way from | $138 (Kiwi.com) |
Popular in | November |
Cheapest in | August |
Average price | $424 |
Good round-trip deal | $435 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago to Billings that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 31, 2026.
Use the filters below to find and compare flights from Chicago to Billings that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoBillings
ORD - BIL
ORDBIL
Chicago O'Hare Intl
Sat 9/5
3:50 pm-10:37 pm
1 stop7h 47m
Billings Logan Intl
Sat 9/19
5:45 am-12:21 pm
1 stop5h 36m
$271
ChicagoBillings
MDW - BIL
MDWBIL
Chicago Midway
Sat 5/2
2:12 pm-8:06 pm
1 stop6h 54m
Billings Logan Intl
Tue 5/5
6:24 am-1:32 pm
1 stop6h 08m
$271
ChicagoBillings
ORD - BIL
ORDBIL
Chicago O'Hare Intl
Thu 7/16
5:54 pm-11:20 pm
1 stop6h 26m
Billings Logan Intl
Tue 7/28
5:18 am-11:59 am
1 stop5h 41m
$290
ChicagoBillings
MDW - BIL
MDWBIL
Chicago Midway
Fri 5/8
7:13 pm-11:14 pm
1 stop5h 01m
Billings Logan Intl
Wed 5/13
6:30 am-6:33 pm
2 stops11h 03m
$295
ChicagoBillings
ORD - BIL
ORDBIL
Chicago O'Hare Intl
Mon 8/17
3:50 pm-10:37 pm
1 stop7h 47m
Billings Logan Intl
Sat 8/22
5:45 am-4:48 pm
2 stops10h 03m
$320
ChicagoBillings
ORD - BIL
ORDBIL
Chicago O'Hare Intl
Wed 8/5
5:00 am-9:34 am
1 stop5h 34m
Billings Logan Intl
Mon 8/10
6:00 pm-12:44 am
1 stop5h 44m
$331
ChicagoBillings
MDW - BIL
MDWBIL
Chicago Midway
Thu 6/18
7:16 pm-11:37 pm
1 stop5h 21m
Billings Logan Intl
Tue 6/23
6:24 am-1:09 pm
1 stop5h 45m
$334
ChicagoBillings
ORD - BIL
ORDBIL
Chicago O'Hare Intl
Wed 4/29
2:35 pm-10:05 pm
1 stop8h 30m
Billings Logan Intl
Tue 5/5
2:30 pm-9:23 pm
1 stop5h 53m
$361
ChicagoBillings
MDW - BIL
MDWBIL
Chicago Midway
Fri 6/19
1:49 pm-10:46 pm
2 stops9h 57m
Billings Logan Intl
Tue 6/23
6:24 am-1:09 pm
1 stop5h 45m
$364
ChicagoBillings
ORD - BIL
ORDBIL
Chicago O'Hare Intl
Thu 8/13
3:50 pm-10:37 pm
1 stop7h 47m
Billings Logan Intl
Sat 8/22
5:45 am-12:21 pm
1 stop5h 36m
$435
Showing 1-10 of 33 resultsSorted by cheapest first
Compare providers for flights from Chicago to Billings
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Billings in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago-Billings flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Billings flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Billings flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-Billings flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Billings flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chicago to Billings
Have a flexible travel schedule? Discover the best time to fly to Billings from Chicago with our price prediction graph.
CHI-BIL
ORD-BIL
MDW-BIL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago to Billings
CHI-BIL
ORD-BIL
MDW-BIL
How much does it cost to fly round-trip from Chicago to Billings?
How often are flights from Chicago to Billings delayed?
About 16% of weekly flights between Chicago and Billings have experienced delays in the past year, with the average delay time being 134 minutes.
What is the most punctual flight time for Chicago to Billings flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Billings flights?
Over the last year, American Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.
Reviews of airlines servicing Billings
Get insights into the airlines that provide service to Billings. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Billings. Reviews last updated March 31, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Chicago to Billings to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
7.9
Food
7.2
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Overall
7.9
Food
7.2
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Overall
7.9
Food
7.2
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Overall
7.9
Food
7.2
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Chicago to Billings. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Billings flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Chicago
Popular flights
Alternative routes for Chicago to Billings
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Billings
Explore flights to Billings departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 31, 2026.
Complete your trip
Complete your trip to Billings by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Chicago to Billings by cabin class
Find flights from Chicago to Billings, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and Billings flights
Browse other Chicago and Billings flight options. Last updated on March 31, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on March 31, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Chicago to Billings
Discover the top 2 airlines that operate flights from Chicago to Billings. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$210 | Average$414 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$248 | Average$348 | FlexibilityNo cancel fee | On-time69% |