$184+ Cheap flights from Alaska to Illinois
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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — ORD
Aug 31 — Sep 71
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Alaska to Illinois 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 Alaska to Illinois
Cheapest
Best
Last-minute
One-way
Cheapest flights from Alaska to IllinoisExplore the most affordable flight options available from Alaska to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.
Explore the most affordable flight options available from Alaska to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:56 pm
ANC
- ORD
Nonstop6h 29m
American Airlines
Mon 8/314:57 pm
ORD
- ANC
Nonstop6h 54m
American Airlines
Deal found 7/27![American Airlines logo]()
$393
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:56 pm
ANC
- ORD
Nonstop6h 29m
American Airlines
Sat 9/124:53 pm
ORD
- ANC
Nonstop6h 56m
American Airlines
Deal found 7/27![American Airlines logo]()
$401
This SmartFares deal was found by Cheapflights users on 7/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:28 pm
ANC
- ORD
Nonstop6h 12m
Alaska Airlines
Thu 9/37:20 am
ORD
- ANC
Nonstop6h 52m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 8/2011:09 pm
ANC
- STL
1 stop10h 31m
United Airlines
Mon 8/2410:53 am
STL
- ANC
1 stop12h 06m
United Airlines
Deal found 7/29![United Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/98:15 pm
ANC
- STL
2 stops12h 42m
United Airlines
Wed 9/1611:15 am
STL
- ANC
1 stop10h 47m
United Airlines
Deal found 7/28![United Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:19 pm
ANC
- ORD
1 stop13h 31m
United Airlines
Mon 8/244:05 pm
ORD
- ANC
Nonstop6h 54m
United Airlines
Deal found 7/27![United Airlines logo]()
$411
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 9/38:00 pm
ANC
- ORD
Nonstop6h 12m
United Airlines
Tue 9/84:05 pm
ORD
- ANC
Nonstop6h 54m
United Airlines
Deal found 7/30![United Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 7/27. 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.
Fri 9/410:10 pm
ANC
- MDW
1 stop14h 47m
Delta
Sat 9/126:05 am
MDW
- ANC
1 stop15h 45m
Delta
Deal found 7/27![Delta logo]()
$413
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:00 am
FAI
- STL
2 stops15h 59m
Alaska Airlines
Mon 8/247:36 pm
STL
- FAI
1 stop9h 12m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:28 pm
ANC
- ORD
Nonstop6h 12m
Alaska Airlines
Mon 8/317:20 am
ORD
- ANC
Nonstop6h 52m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 7/27. 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 8/266:15 am
ANC
- ORD
1 stop14h 14m
Delta
Mon 8/312:00 pm
ORD
- ANC
2 stops12h 55m
Delta
Deal found 7/27![Delta logo]()
$418
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:59 pm
ANC
- ORD
Nonstop6h 11m
United Airlines
Fri 10/303:35 pm
ORD
- ANC
Nonstop7h 04m
United Airlines
Deal found 7/27![United Airlines logo]()
$419
Best flights from Alaska to IllinoisDiscover carefully curated flight deals from Alaska to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 2026.
Discover carefully curated flight deals from Alaska to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 2026.
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/98:15 pm
ANC
- STL
2 stops12h 42m
United Airlines
Wed 9/1611:15 am
STL
- ANC
1 stop10h 47m
United Airlines
Deal found 7/28![United Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 7/27. 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 9/311:01 am
ANC
- ORD
1 stop9h 28m
Delta
Mon 9/76:00 am
ORD
- ANC
1 stop8h 39m
Delta
Deal found 7/27![Delta logo]()
$413
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:00 am
FAI
- STL
2 stops15h 59m
Alaska Airlines
Mon 8/247:36 pm
STL
- FAI
1 stop9h 12m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 7/27. 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 8/2610:30 pm
ANC
- ORD
1 stop14h 47m
Delta
Mon 8/316:44 pm
ORD
- ANC
1 stop9h 15m
Delta
Deal found 7/27![Delta logo]()
$413
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 9/39:20 pm
ANC
- ORD
Nonstop6h 12m
United Airlines
Mon 9/74:05 pm
ORD
- ANC
Nonstop6h 54m
United Airlines
Deal found 7/31![United Airlines logo]()
$423
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:31 am
FAI
- STL
1 stop10h 07m
Alaska Airlines
Sat 8/296:08 pm
STL
- FAI
2 stops29h 32m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 7/27. 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.
Fri 9/410:10 pm
ANC
- MDW
1 stop14h 47m
Delta
Sat 9/126:05 am
MDW
- ANC
1 stop15h 45m
Delta
Deal found 7/27![Delta logo]()
$413
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 9/58:27 pm
FAI
- STL
1 stop9h 12m
United Airlines
Mon 9/1410:53 am
STL
- FAI
1 stop11h 23m
United Airlines
Deal found 7/31![United Airlines logo]()
$426
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:17 pm
ANC
- ORD
1 stop9h 03m
Alaska Airlines
Mon 9/77:20 am
ORD
- ANC
Nonstop6h 52m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$451
This Delta deal was found by Cheapflights users on 7/27. 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.
Fri 9/410:10 pm
ANC
- ORD
2 stops15h 07m
Delta
Sat 9/127:00 am
ORD
- ANC
1 stop16h 15m
Delta
Deal found 7/27![Delta logo]()
$418
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 8/2610:19 pm
ANC
- ORD
1 stop11h 06m
United Airlines
Sun 8/305:51 pm
ORD
- ANC
1 stop9h 08m
United Airlines
Deal found 7/29![United Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 7/28. 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 9/96:00 am
ANC
- STL
1 stop14h 16m
Delta
Wed 9/1611:21 am
STL
- ANC
1 stop8h 53m
Delta
Deal found 7/28![Delta logo]()
$423
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:07 am
ANC
- STL
1 stop15h 52m
Alaska Airlines
Sat 8/226:08 pm
STL
- ANC
1 stop19h 10m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 7/29. 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 8/2012:54 pm
ANC
- STL
1 stop18h 29m
Delta
Thu 8/272:32 pm
STL
- ANC
1 stop11h 52m
Delta
Deal found 7/29![Delta logo]()
$425
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 8/251:00 am
FAI
- STL
1 stop8h 40m
United Airlines
Sat 8/294:40 pm
STL
- FAI
1 stop9h 19m
United Airlines
Deal found 7/29![United Airlines logo]()
$496
This Delta deal was found by Cheapflights users on 7/29. 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 8/1910:30 pm
ANC
- STL
1 stop16h 08m
Delta
Thu 8/2711:00 am
STL
- ANC
2 stops15h 24m
Delta
Deal found 7/29![Delta logo]()
$430
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:28 am
FAI
- ORD
1 stop19h 31m
Alaska Airlines
Mon 10/56:00 am
ORD
- FAI
1 stop9h 53m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$524
This Delta deal was found by Cheapflights users on 7/29. 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 8/276:00 am
ANC
- MDW
1 stop9h 01m
Delta
Thu 9/37:25 pm
MDW
- ANC
1 stop8h 34m
Delta
Deal found 7/29![Delta logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:07 am
ANC
- STL
1 stop11h 52m
Alaska Airlines
Wed 8/266:08 pm
STL
- ANC
1 stop19h 10m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$530
This Delta deal was found by Cheapflights users on 7/27. 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 11/1110:06 pm
ANC
- MDW
2 stops15h 08m
Delta
Wed 12/29:30 am
MDW
- ANC
2 stops16h 06m
Delta
Deal found 7/27![Delta logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:30 am
ANC
- STL
1 stop9h 29m
Alaska Airlines
Thu 8/277:36 pm
STL
- ANC
1 stop17h 26m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$530
This Delta deal was found by Cheapflights users on 7/30. 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.
Mon 8/3110:10 pm
ANC
- MDW
1 stop12h 00m
Delta
Wed 9/21:51 pm
MDW
- ANC
1 stop10h 09m
Delta
Deal found 7/30![Delta logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:39 pm
FAI
- ORD
2 stops15h 32m
Alaska Airlines
Wed 11/113:59 pm
ORD
- FAI
2 stops22h 05m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$566
This Delta deal was found by Cheapflights users on 7/30. 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 9/38:15 am
ANC
- ORD
2 stops10h 18m
Delta
Tue 9/85:44 pm
ORD
- ANC
1 stop9h 43m
Delta
Deal found 7/30![Delta logo]()
$446
This Delta deal was found by Cheapflights users on 7/30. 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 8/2810:10 pm
ANC
- MDW
2 stops14h 28m
Delta
Fri 9/46:05 am
MDW
- ANC
1 stop15h 55m
Delta
Deal found 7/30![Delta logo]()
$446
This Delta deal was found by Cheapflights users on 7/29. 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.
Mon 8/3112:39 am
ANC
- MDW
2 stops14h 22m
Delta
Sun 9/64:52 pm
MDW
- ANC
1 stop11h 07m
Delta
Deal found 7/29![Delta logo]()
$458
This Delta deal was found by Cheapflights users on 7/30. 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 9/310:10 pm
ANC
- MDW
1 stop7h 29m
Delta
Tue 9/89:59 am
MDW
- ANC
1 stop14h 01m
Delta
Deal found 7/30![Delta logo]()
$460
This Delta deal was found by Cheapflights users on 7/30. 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 11/510:09 pm
ANC
- MDW
1 stop7h 35m
Delta
Tue 11/1010:22 am
MDW
- ANC
1 stop13h 34m
Delta
Deal found 7/30![Delta logo]()
$463
This Priceline deal was found by Cheapflights users on 7/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:59 pm
OME
- ORD
1 stop10h 41m
Alaska Airlines
Sun 8/307:20 am
ORD
- OME
1 stop12h 49m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$838
This Delta deal was found by Cheapflights users on 7/29. 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 8/2210:10 pm
ANC
- STL
2 stops16h 28m
Delta
Wed 8/268:48 am
STL
- ANC
1 stop15h 12m
Delta
Deal found 7/29![Delta logo]()
$479
Last-minute flights from Alaska to IllinoisDiscover last-minute flight deals from Alaska to Illinois. Data last updated August 1, 2026 and is based on user searches.
Discover last-minute flight deals from Alaska to Illinois. Data last updated August 1, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:00 am
FAI
- STL
2 stops15h 59m
Alaska Airlines
Mon 8/247:36 pm
STL
- FAI
1 stop9h 12m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 7/29. 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 8/1910:30 pm
ANC
- STL
1 stop16h 08m
Delta
Sat 8/226:30 am
STL
- ANC
1 stop17h 50m
Delta
Deal found 7/29![Delta logo]()
$425
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 8/2011:09 pm
ANC
- STL
1 stop10h 31m
United Airlines
Mon 8/2410:53 am
STL
- ANC
1 stop12h 06m
United Airlines
Deal found 7/29![United Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 7/27. 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 8/201:32 am
ANC
- ORD
1 stop8h 51m
Delta
Mon 8/242:00 pm
ORD
- ANC
1 stop12h 24m
Delta
Deal found 7/27![Delta logo]()
$421
This Delta deal was found by Cheapflights users on 7/29. 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 8/201:32 am
ANC
- STL
2 stops20h 09m
Delta
Tue 8/252:32 pm
STL
- ANC
1 stop11h 52m
Delta
Deal found 7/29![Delta logo]()
$430
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:19 pm
ANC
- ORD
1 stop13h 31m
United Airlines
Mon 8/244:05 pm
ORD
- ANC
Nonstop6h 54m
United Airlines
Deal found 7/27![United Airlines logo]()
$411
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:56 pm
ANC
- ORD
Nonstop6h 29m
American Airlines
Mon 8/314:57 pm
ORD
- ANC
Nonstop6h 54m
American Airlines
Deal found 7/27![American Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 7/27. 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 8/2610:30 pm
ANC
- ORD
1 stop14h 47m
Delta
Mon 8/316:44 pm
ORD
- ANC
1 stop9h 15m
Delta
Deal found 7/27![Delta logo]()
$413
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:28 pm
ANC
- ORD
Nonstop6h 12m
Alaska Airlines
Mon 8/317:20 am
ORD
- ANC
Nonstop6h 52m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$417
This SmartFares deal was found by Cheapflights users on 7/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:28 pm
ANC
- ORD
Nonstop6h 12m
Alaska Airlines
Thu 9/37:20 am
ORD
- ANC
Nonstop6h 52m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 7/29. 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 8/276:00 am
ANC
- MDW
1 stop9h 01m
Delta
Thu 9/37:25 pm
MDW
- ANC
1 stop8h 34m
Delta
Deal found 7/29![Delta logo]()
$433
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:28 pm
ANC
- ORD
Nonstop6h 12m
Alaska Airlines
Sat 9/56:54 pm
ORD
- ANC
1 stop9h 44m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$422
One-way flights from Alaska to IllinoisSearch for one-way flight options from Alaska to Illinois. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
Search for one-way flight options from Alaska to Illinois. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
This SmartFares deal was found by Cheapflights users on 7/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:01 am
ANC
- ORD
1 stop9h 28m
Delta
Deal found 7/27![Delta logo]()
$184
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:22 pm
ANC
- STL
1 stop12h 40m
American Airlines
Deal found 7/27![American Airlines logo]()
$192
This Priceline deal was found by Cheapflights users on 7/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/310:28 pm
ANC
- ORD
Nonstop6h 12m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$196
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:15 pm
ANC
- STL
2 stops12h 42m
United Airlines
Deal found 7/27![United Airlines logo]()
$197
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:20 pm
ANC
- ORD
Nonstop6h 12m
United Airlines
Deal found 7/27![United Airlines logo]()
$200
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Tue 9/18:15 pm
ANC
- STL
1 stop10h 24m
United Airlines
Deal found 7/30![United Airlines logo]()
$202
This Delta deal was found by Cheapflights users on 7/27. 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 8/186:15 am
ANC
- STL
2 stops15h 26m
Delta
Deal found 7/27![Delta logo]()
$203
This Delta deal was found by Cheapflights users on 7/27. 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.
Mon 8/316:00 am
ANC
- MDW
1 stop9h 01m
Delta
Deal found 7/27![Delta logo]()
$206
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:28 pm
ANC
- ORD
Nonstop6h 12m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$210
This Delta deal was found by Cheapflights users on 7/27. 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.
Mon 9/2810:10 pm
ANC
- MDW
1 stop7h 38m
Delta
Deal found 7/27![Delta logo]()
$210
This Delta deal was found by Cheapflights users on 7/27. 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 9/96:00 am
ANC
- STL
1 stop14h 16m
Delta
Deal found 7/27![Delta logo]()
$210
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:28 pm
ANC
- ORD
Nonstop6h 12m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$211
Find flight deals from Alaska to Illinois
Keep the following information in mind while searching for Alaska to Illinois flight deals. Data was last updated August 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $390 (United Airlines) |
One-way from | $184 (SmartFares) |
Popular in | July |
Cheapest in | October |
Average price | $393 |
Good round-trip deal | $535 or less |
Good one-way deal | $282 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Alaska to Illinois 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 August 1, 2026.
Use the filters below to find and compare flights from Alaska to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AnchorageSt. Louis
ANC - STL
ANCSTL
Anchorage
Wed 9/9
8:15 pm-11:57 am
2 stops12h 42m
Lambert-St Louis
Wed 9/16
11:15 am-7:02 pm
1 stop10h 47m
$410
AnchorageChicago
ANC - ORD
ANCORD
Anchorage
Thu 9/3
11:01 am-11:29 pm
1 stop9h 28m
Chicago O'Hare Intl
Mon 9/7
6:00 am-11:39 am
1 stop8h 39m
$413
AnchorageChicago
ANC - ORD
ANCORD
Anchorage
Wed 8/26
10:30 pm-4:17 pm
1 stop14h 47m
Chicago O'Hare Intl
Mon 8/31
6:44 pm-12:59 am
1 stop9h 15m
$413
AnchorageChicago
ANC - MDW
ANCMDW
Anchorage
Fri 9/4
10:10 pm-3:57 pm
1 stop14h 47m
Chicago Midway
Sat 9/12
6:05 am-6:50 pm
1 stop15h 45m
$413
FairbanksSt. Louis
FAI - STL
FAISTL
Fairbanks
Tue 8/18
5:00 am-11:59 pm
2 stops15h 59m
Lambert-St Louis
Mon 8/24
7:36 pm-1:48 am
1 stop9h 12m
$415
AnchorageChicago
ANC - ORD
ANCORD
Anchorage
Fri 9/4
10:10 pm-4:17 pm
2 stops15h 07m
Chicago O'Hare Intl
Sat 9/12
7:00 am-8:15 pm
1 stop16h 15m
$418
Quickest round-trip
AnchorageChicago
ANC - ORD
ANCORD
Anchorage
Thu 9/3
9:20 pm-6:32 am
Nonstop6h 12m
Chicago O'Hare Intl
Mon 9/7
4:05 pm-7:59 pm
Nonstop6h 54m
$423
AnchorageSt. Louis
ANC - STL
ANCSTL
Anchorage
Wed 9/9
6:00 am-11:16 pm
1 stop14h 16m
Lambert-St Louis
Wed 9/16
11:21 am-5:14 pm
1 stop8h 53m
$423
AnchorageSt. Louis
ANC - STL
ANCSTL
Anchorage
Thu 8/20
12:54 pm-10:23 am
1 stop18h 29m
Lambert-St Louis
Thu 8/27
2:32 pm-11:24 pm
1 stop11h 52m
$425
FairbanksSt. Louis
FAI - STL
FAISTL
Fairbanks
Sat 9/5
8:27 pm-8:39 am
1 stop9h 12m
Lambert-St Louis
Mon 9/14
10:53 am-7:16 pm
1 stop11h 23m
$426
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Alaska to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Alaska with our price prediction graph.
ANC-STL
ANC-ORD
FAI-STL
ANC-MDW
FAI-ORD
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 Alaska to Illinois
USAK-USIL
ANC-STL
ANC-ORD
FAI-STL
ANC-MDW
What is the cheapest month to book a flight from Alaska to Illinois?
Currently, February is the cheapest month in which you can book a flight from Alaska to Illinois (average of $358). Flying from Alaska to Illinois in January is currently the most expensive (average of $734). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from AK to IL?
Find hourly flight availability from Alaska to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2026.
When flying from Alaska to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Alaska to Illinois
Explore weekly flight availability from Alaska to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 1, 2026.
The most flights from USAK to USIL are scheduled on a Thursday (10 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Alaska to Illinois?
Airfare is below average for this route at the moment.
Alaska to Illinois flights typically cost between $407 and $672 in August.The cheapest round-trip price found within the last 5 days was $393 on American Airlines (Aug 26-Aug 31).
How far ahead should I book a flight from Alaska to Illinois?
Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from Alaska to Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated August 1, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andUnited Airlines from Alaska to Illinois. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentMarty,Jun 2024
ANC - DEN
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentMarty,Jun 2024
ANC - DEN
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentMarty,Jun 2024
ANC - DEN
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentMarty,Jun 2024
ANC - DEN
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentMarty,Jun 2024
ANC - DEN
Related info for your journey
Find useful and relevant information for your journey from Alaska to Illinois. 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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Alternative routes for Alaska to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Alaska to Illinois by cabin class
Find flights from Alaska to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Alaska and Illinois flights
Browse other Alaska and Illinois flight options. Last updated on August 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Illinois
Find the right flight back to Alaska after your stay in Illinois
Alaska to Illinois flights
Consider these flights traveling from Alaska to Illinois.
Top 4 airlines flying from Alaska to Illinois
Discover the top 4 airlines that operate flights from Alaska to Illinois. 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 August 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$204 | Average$515 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$314 | Average$538 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$331 | Average$424 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$337 | Average$480 | FlexibilityNo cancel fee | On-timeN/A |