Alaska

$183+ Cheap flights from Illinois to Alaska

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ANC
Jun 5 — Jun 121
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Cheap flight deals from Illinois to Alaska

Cheapest flights from Illinois to Alaska
Explore the most affordable flight options available from Illinois to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.

This Delta deal was found by Cheapflights users on 5/2. 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 7/111:18 am
STL
-
ANC
1 stop10h 23m
Delta
Wed 7/112:35 am
ANC
-
STL
1 stop15h 28m
Delta
Deal found 5/2$359
This Delta deal was found by Cheapflights users on 5/2. 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 7/18:49 am
STL
-
ANC
1 stop12h 52m
Delta
Fri 7/312:35 pm
ANC
-
STL
1 stop18h 53m
Delta
Deal found 5/2$365
This Delta deal was found by Cheapflights users on 5/2. 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 6/265:36 pm
STL
-
ANC
1 stop28h 05m
Delta
Mon 7/612:35 am
ANC
-
STL
1 stop15h 25m
Delta
Deal found 5/2$366
This Delta deal was found by Cheapflights users on 5/4. 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 7/206:21 am
STL
-
FAI
1 stop17h 28m
Delta
Fri 8/710:00 pm
FAI
-
STL
1 stop9h 23m
Delta
Deal found 5/4$366
This Delta deal was found by Cheapflights users on 5/4. 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 5/2910:19 am
STL
-
ANC
2 stops16h 01m
Delta
Fri 6/56:00 am
ANC
-
STL
1 stop7h 46m
Delta
Deal found 5/4$370
This Delta deal was found by Cheapflights users on 5/2. 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 6/308:00 am
STL
-
ANC
2 stops18h 56m
Delta
Wed 7/16:00 am
ANC
-
STL
2 stops14h 56m
Delta
Deal found 5/2$371
This Delta deal was found by Cheapflights users on 5/2. 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 7/18:49 am
STL
-
ANC
1 stop12h 52m
Delta
Fri 7/31:30 am
ANC
-
STL
2 stops16h 33m
Delta
Deal found 5/2$372
This Delta deal was found by Cheapflights users on 5/3. 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 6/27:59 pm
STL
-
ANC
2 stops17h 33m
Delta
Wed 6/101:30 am
ANC
-
STL
2 stops14h 33m
Delta
Deal found 5/3$377
This Delta deal was found by Cheapflights users on 5/4. 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 7/198:00 am
STL
-
FAI
2 stops19h 35m
Delta
Mon 8/31:39 am
FAI
-
STL
2 stops20h 02m
Delta
Deal found 5/4$377
This Delta deal was found by Cheapflights users on 5/5. 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 6/1110:20 am
STL
-
ANC
1 stop13h 56m
Delta
Mon 6/1512:35 pm
ANC
-
STL
1 stop7h 48m
Delta
Deal found 5/5$394
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Sat 8/812:59 am
ORD
-
ANC
Nonstop6h 42m
Alaska Airlines
Tue 9/110:26 pm
ANC
-
ORD
Nonstop6h 14m
Alaska Airlines
Deal found 5/4$398
This American Airlines deal was found by Cheapflights users on 5/5. 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 8/274:57 pm
ORD
-
ANC
Nonstop6h 51m
American Airlines
Tue 9/89:55 pm
ANC
-
ORD
Nonstop6h 25m
American Airlines
Deal found 5/5$399

Find flight deals from Illinois to Alaska

Keep the following information in mind while searching for Illinois to Alaska flight deals. Data was last updated May 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$359
(Delta)

One-way from

$183
(Delta)

Popular in

June

Cheapest in

October

Average price

$494

Good round-trip deal

$473 or less

Good one-way deal

$205 or less
Provider with most accurate pricing for Chicago (CHI)-Anchorage flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Anchorage flights.
From Illinois to Alaska
One-way flight from Illinois to Alaska
Highest demand for flights based on searches. 13% potential increase in price ($74 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Illinois to Alaska.
Price to beat on a one-way flight from Illinois to Alaska.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Alaska 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 May 6, 2026.
Use the filters below to find and compare flights from Illinois to Alaska that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Sun 6/21

9:21 am-6:45 pm

1 stop12h 24m

Anchorage

Fri 6/26

12:35 pm-11:23 pm

1 stop7h 48m

$365

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Mon 6/22

3:57 pm-12:55 am

1 stop11h 58m

Anchorage

Fri 6/26

12:35 pm-11:23 pm

1 stop7h 48m

$365

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Tue 6/30

11:18 am-6:41 pm

1 stop10h 23m

Anchorage

Thu 7/2

12:35 pm-10:28 am

1 stop18h 53m

$365

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Mon 6/29

11:18 am-6:41 pm

1 stop10h 23m

Anchorage

Fri 7/3

12:35 pm-10:28 am

1 stop18h 53m

$365
Quickest round-trip

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Mon 8/17

4:40 pm-10:49 pm

1 stop9h 09m

Fairbanks

Mon 8/24

8:23 pm-8:37 am

1 stop9h 14m

$366

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Thu 8/6

11:13 am-11:24 pm

2 stops15h 11m

Anchorage

Mon 8/10

12:39 am-6:39 pm

1 stop15h 00m

$370

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Fri 5/29

10:19 am-11:20 pm

2 stops16h 01m

Anchorage

Fri 6/5

6:00 am-4:46 pm

1 stop7h 46m

$370

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Fri 8/7

11:13 am-11:24 pm

2 stops15h 11m

Anchorage

Mon 8/10

12:39 am-6:39 pm

1 stop15h 00m

$370

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Sun 8/2

10:19 am-9:20 pm

1 stop14h 01m

Anchorage

Thu 8/6

1:32 am-6:39 pm

2 stops14h 07m

$372

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Mon 8/17

11:51 am-12:06 am

2 stops15h 15m

Fairbanks

Mon 8/24

10:05 pm-8:40 am

1 stop7h 35m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Alaska

Have a flexible travel schedule? Discover the best time to fly to Alaska from Illinois with our price prediction graph.
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 Illinois to Alaska

How far ahead should I book a flight from Illinois to Alaska?

The best time to book flights from Illinois to Alaska is 47 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Illinois to Alaska?

Currently, September is the cheapest month in which you can book a flight from Illinois to Alaska (average of $160). Flying from Illinois to Alaska in February is currently the most expensive (average of $352). 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 IL to AK?

Find hourly flight availability from Illinois to Alaska. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 6, 2026.

One of the essential ways to save on airfare from Illinois to Alaska is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 29% on airfare.

Weekly flight availability from Illinois to Alaska

Explore weekly flight availability from Illinois to Alaska. 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 May 6, 2026.

The most flights from USIL to USAK are scheduled on a Monday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Illinois to Alaska?

Reviews of airlines servicing Alaska

Get insights into the airlines that provide service to Alaska. 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 Alaska. Reviews last updated May 6, 2026.
Read through reviews of airlines operating flights from Illinois to Alaska, such as Alaska Airlines,Delta, andHawaiian Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.0

Overall

7.9

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Entertainment

7.0

Overall

7.9

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Entertainment

7.0

Overall

7.9

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Entertainment

7.0

Overall

7.9

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Entertainment

7.0

Overall

7.9

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Entertainment

7.0

Overall

7.9

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Related info for your journey

Find useful and relevant information for your journey from Illinois to Alaska. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Illinois to Alaska?

    Delta, United Airlines, and Alaska Airlines can get you from Illinois to Alaska in just under 9h 09m. Your travel time can differ by up to 6h 11m. Illinois and Alaska are separated by a distance of 2890 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to Alaska one-way?

    For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $106. Users have also found prices from $160 and $160 on Alaska Airlines and United Airlines, respectively.

  • Can I find deals for flights from Illinois to Alaska that include hotel bookings?

    Yes. In addition to deals on Illinois to Alaska flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Alaska?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Alaska.

  • Can I find deals for business class flights from Illinois to Alaska?

    Yes. Cheapflights offers flight deals from Illinois to Alaska by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Alaska?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Alaska (average of $160). Flying from Illinois to Alaska in February is currently the most expensive (average of $352). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Illinois to Alaska

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Illinois to Alaska

Discover the top 5 airlines that operate flights from Illinois to Alaska. 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 May 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$178Average$463FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$187Average$512FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$318Average$693FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$318Average$551FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$337Average$683FlexibilityNo cancel feeOn-time75%

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