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

To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $722. Aer Lingus flights start at $727 while deals on LOT start at $736 one-way.

How far in advance should I book a flight from Illinois to Austria?

To save on the cost of your flight from Illinois to Austria, book at least 22 days before your planned departure. Booking around this time can save you about 123% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $787 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,720.

What is the cheapest month to fly from Illinois to Austria?

The best pricing can be found in the month of February. Prices to Austria from Illinois average $1,006. You can even find prices in February for less than $1,006, as users have found deals to Austria from as low as $547. The month of June appears to be one of the more expensive times to travel to Austria from Illinois. Flying in the targeted month can save you up to 25%.

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

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

How can I find direct flights from Illinois to Austria?

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

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

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

$906+ Flights from Illinois to Austria - Compare & Save Big

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Cheap flight deals from Illinois to Austria

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$591 (Air Canada)
One-way from	$262 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$1,214
Good round-trip deal	$908 or less
Good one-way deal	$607 or less

Provider with most accurate pricing for Chicago (CHI)-Vienna Intl flight deals.

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Provider most trusted by Cheapflights users for Chicago (CHI)-Vienna Intl flights.

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From Illinois to Austria

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One-way flight from Illinois to Austria

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($224 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).

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Average for round-trip flights in May 2025

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Price to beat on a round-trip flight from Illinois to Austria.

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Price to beat on a one-way flight from Illinois to Austria.

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Find flight deals from Illinois to Austria

Cheapest flights from Illinois to Austria
Explore the most affordable flight options available from Illinois to Austria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Sun 8/171:30 pmSTL - VIE

1 stop12h 05mAir Canada

Tue 8/2610:30 amVIE - STL

2 stops35h 03mAir Canada

Deal found 4/30

$591

Sun 11/304:15 pmSTL - VIE

1 stop33h 30mUnited Airlines

Fri 12/1210:30 amVIE - STL

2 stops17h 34mUnited Airlines

Deal found 4/28

$658

Tue 12/24:15 pmSTL - VIE

2 stops23h 25mMultiple Airlines

Tue 12/98:00 amVIE - STL

3 stops38h 26mMultiple Airlines

Deal found 4/28

$685

Fri 11/285:57 pmSTL - VIE

2 stops15h 38mBritish Airways

Sun 12/76:55 amVIE - STL

2 stops22h 27mBritish Airways

Deal found 4/30

$701

Thu 8/145:30 pmSTL - VIE

2 stops16h 05mLufthansa

Fri 8/226:10 amVIE - STL

2 stops22h 22mLufthansa

Deal found 4/30

$706

Mon 8/185:45 pmSTL - VIE

2 stops16h 15mDelta

Sun 8/246:30 amVIE - STL

2 stops21h 00mDelta

Deal found 4/30

$709

Wed 10/151:54 pmSTL - VIE

2 stops21h 36mFinnair

Wed 10/297:15 pmVIE - STL

2 stops33h 19mFinnair

Deal found 4/29

$730

Wed 8/611:25 amORD - SZG

1 stop14h 55mTurkish Airlines

Wed 8/207:15 pmSZG - ORD

1 stop21h 25mTurkish Airlines

Deal found 4/30

$752

Wed 11/122:55 pmORD - VIE

2 stops15h 15mAmerican Airlines

Wed 11/196:45 amVIE - ORD

2 stops19h 35mAmerican Airlines

Deal found 4/30

$758

Thu 5/86:15 amORD - VIE

2 stops26h 50mMultiple Airlines

Sun 5/117:40 amVIE - ORD

2 stops21h 14mMultiple Airlines

Deal found 4/29

$767

Wed 9/1711:25 amORD - VIE

1 stop21h 10mTurkish Airlines

Mon 9/294:35 pmVIE - ORD

1 stop24h 05mTurkish Airlines

Deal found 4/30

$769

Mon 9/226:10 pmORD - VIE

1 stop17h 55mTAP AIR PORTUGAL

Tue 9/301:00 pmVIE - ORD

2 stops34h 10mTAP AIR PORTUGAL

Deal found 4/30

$780

Best flights from Illinois to Austria
Discover carefully curated flight deals from Illinois to Austria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Sun 8/171:30 pmSTL - VIE

1 stop12h 05mAir Canada

Tue 8/2610:30 amVIE - STL

2 stops35h 03mAir Canada

Deal found 4/30

$591

Wed 8/139:15 amSTL - VIE

1 stop16h 05mUnited Airlines

Sat 8/2310:30 amVIE - STL

1 stop16h 10mUnited Airlines

Deal found 4/30

$660

Sun 8/171:30 pmSTL - VIE

2 stops17h 15mMultiple Airlines

Sun 8/248:00 amVIE - STL

2 stops14h 44mMultiple Airlines

Deal found 4/30

$686

Thu 8/145:30 pmSTL - VIE

2 stops16h 05mLufthansa

Fri 8/226:10 amVIE - STL

2 stops22h 22mLufthansa

Deal found 4/30

$706

Mon 8/185:45 pmSTL - VIE

2 stops16h 15mDelta

Sun 8/246:30 amVIE - STL

2 stops21h 00mDelta

Deal found 4/30

$709

Wed 10/151:54 pmSTL - VIE

2 stops21h 36mFinnair

Wed 10/297:15 pmVIE - STL

2 stops33h 19mFinnair

Deal found 4/29

$730

Wed 8/611:25 amORD - SZG

1 stop14h 55mTurkish Airlines

Wed 8/207:15 pmSZG - ORD

1 stop21h 25mTurkish Airlines

Deal found 4/30

$752

Mon 9/226:10 pmORD - VIE

1 stop17h 55mTAP AIR PORTUGAL

Wed 10/19:35 amVIE - ORD

2 stops34h 00mTAP AIR PORTUGAL

Deal found 4/30

$780

Mon 9/19:40 pmORD - VIE

1 stop14h 05mLOT

Sat 1/319:20 amVIE - ORD

1 stop17h 40mLOT

Deal found 4/30

$786

Mon 10/273:14 pmORD - VIE

2 stops16h 36mAmerican Airlines

Mon 11/106:55 amVIE - ORD

2 stops19h 25mAmerican Airlines

Deal found 4/30

$808

Mon 7/284:20 pmORD - VIE

Nonstop9h 00mAustrian Airlines

Sun 8/2410:30 amVIE - ORD

Nonstop9h 50mAustrian Airlines

Deal found 4/29

$836

Sun 8/3110:20 pmORD - VIE

2 stops41h 20mBritish Airways

Sat 1/317:15 pmVIE - ORD

1 stop27h 10mBritish Airways

Deal found 4/30

$843

Last-minute flights from Illinois to Austria
Discover last-minute flight deals from Illinois to Austria. Data last updated May 1, 2025 and is based on user searches.

Wed 4/304:30 pmORD - VIE

1 stop33h 45mAir Serbia

Tue 5/138:45 pmVIE - ORD

1 stop24h 40mAir Serbia

Deal found 4/30

$853

Sun 5/47:50 pmORD - SZG

1 stop15h 25mTurkish Airlines

Tue 5/2010:20 amSZG - ORD

1 stop30h 20mTurkish Airlines

Deal found 4/29

$873

Sun 5/47:50 pmORD - VIE

1 stop18h 55mTurkish Airlines

Thu 5/152:10 pmVIE - ORD

1 stop26h 30mTurkish Airlines

Deal found 4/30

$911

Sun 5/49:15 pmORD - SZG

1 stop34h 15mMultiple Airlines

Tue 5/203:05 pmSZG - ORD

2 stops47h 22mMultiple Airlines

Deal found 4/29

$912

Mon 5/510:31 amSTL - VIE

2 stops17h 39mAer Lingus

Mon 5/1211:50 amVIE - STL

2 stops43h 01mAer Lingus

Deal found 4/30

$1,322

Wed 5/711:25 amORD - SZG

1 stop14h 55mTurkish Airlines

Thu 5/1510:20 amSZG - ORD

1 stop30h 20mTurkish Airlines

Deal found 4/30

$1,000

Wed 5/73:30 pmSTL - VIE

1 stop12h 15mMultiple Airlines

Thu 5/155:25 pmVIE - STL

2 stops37h 49mMultiple Airlines

Deal found 4/30

$1,033

Wed 5/73:45 pmORD - VIE

1 stop12h 25mAer Lingus

Wed 7/1611:50 amVIE - ORD

1 stop33h 10mAer Lingus

Deal found 4/30

$1,063

Wed 5/73:35 pmORD - SZG

3 stops33h 10mMultiple Airlines

Thu 5/1510:30 amSZG - ORD

3 stops32h 40mMultiple Airlines

Deal found 4/30

$1,205

Wed 5/71:30 pmSTL - VIE

1 stop12h 05mAir Canada

Thu 5/1510:30 amVIE - STL

1 stop16h 13mAir Canada

Deal found 4/30

$1,324

Thu 5/86:15 amORD - VIE

2 stops26h 50mMultiple Airlines

Sun 5/117:40 amVIE - ORD

2 stops21h 14mMultiple Airlines

Deal found 4/29

$767

Thu 5/81:45 pmSTL - VIE

2 stops25h 55mBritish Airways

Thu 5/2211:35 amVIE - STL

2 stops19h 16mBritish Airways

Deal found 4/30

$1,380

One-way flights from Illinois to Austria
Search for one-way flight options from Illinois to Austria. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Tue 7/1511:28 amORD - VIE

2 stops28h 17mMultiple Airlines

Deal found 4/30

$262

Wed 6/49:40 amMDW - VIE

3 stops30h 05mMultiple Airlines

Deal found 4/28

$370

Tue 9/97:25 pmORD - INN

3 stops29h 20mMultiple Airlines

Deal found 4/30

$443

Thu 6/121:43 pmORD - LNZ

3 stops45h 47mMultiple Airlines

Deal found 4/30

$704

Thu 6/267:45 pmORD - VIE

1 stop33h 50mTAP AIR PORTUGAL

Deal found 4/30

$722

Wed 5/219:15 pmORD - VIE

1 stop30h 55mAer Lingus

Deal found 4/30

$727

Tue 5/209:40 pmORD - VIE

1 stop12h 20mLOT

Deal found 4/30

$736

Tue 9/94:20 pmORD - INN

1 stop18h 50mAustrian Airlines

Deal found 4/30

$811

Mon 6/304:30 pmORD - VIE

1 stop19h 30mIberia

Deal found 4/30

$818

Tue 6/104:20 pmORD - VIE

Nonstop9h 00mAustrian Airlines

Deal found 4/30

$821

Sat 6/1411:25 amORD - SZG

1 stop23h 50mTurkish Airlines

Deal found 4/30

$835

Mon 6/308:30 pmORD - VIE

1 stop19h 10mAmerican Airlines

Deal found 4/30

$861

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Austria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 8/17

1:30 pm-8:35 am

1 stop12h 05m

Vienna Intl

Tue 8/26

10:30 am-2:33 pm

2 stops35h 03m

$591

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 8/13

9:15 am-8:20 am

1 stop16h 05m

Vienna Intl

Sat 8/23

10:30 am-7:40 pm

1 stop16h 10m

$660

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Sun 8/17

1:30 pm-1:45 pm

2 stops17h 15m

Vienna Intl

Sun 8/24

8:00 am-3:44 pm

2 stops14h 44m

$686

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Thu 8/14

5:30 pm-4:35 pm

2 stops16h 05m

Vienna Intl

Fri 8/22

6:10 am-9:32 pm

2 stops22h 22m

$706

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Mon 8/18

5:45 pm-5:00 pm

2 stops16h 15m

Vienna Intl

Sun 8/24

6:30 am-8:30 pm

2 stops21h 00m

$709

St. LouisVienna

STL - VIE

STLVIE

Lambert-St Louis

Wed 10/15

1:54 pm-6:30 pm

2 stops21h 36m

Vienna Intl

Wed 10/29

7:15 pm-10:34 pm

2 stops33h 19m

$730

ChicagoSalzburg

ORD - SZG

ORDSZG

Chicago O'Hare Intl

Wed 8/6

11:25 am-9:20 am

1 stop14h 55m

Salzburg W.A. Mozart

Wed 8/20

7:15 pm-9:40 am

1 stop21h 25m

$752

ChicagoVienna

ORD - VIE

ORDVIE

Chicago O'Hare Intl

Wed 9/24

7:50 pm-6:15 pm

1 stop15h 25m

Vienna Intl

Mon 9/29

8:05 am-5:55 pm

1 stop16h 50m

$767

ChicagoVienna

ORD - VIE

ORDVIE

Chicago O'Hare Intl

Mon 9/22

7:15 pm-7:25 pm

1 stop17h 10m

Vienna Intl

Mon 10/13

8:25 pm-4:10 pm

2 stops26h 45m

$774

ChicagoVienna

ORD - VIE

ORDVIE

Chicago O'Hare Intl

Mon 9/22

6:10 pm-7:05 pm

1 stop17h 55m

Vienna Intl

Tue 9/30

1:00 pm-4:10 pm

2 stops34h 10m

$780

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 57 results

...

Best time to book a flight from Illinois to Austria

Have a flexible travel schedule? Discover the best time to fly to Austria 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 Austria

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

Currently, October is the cheapest month in which you can book a flight from Illinois to Austria (average of $737). Flying from Illinois to Austria in June is currently the most expensive (average of $1,284). 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 AT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Austria as you normally would.

Rainfall in Austria by month

In terms of precipitation, rainfall in Austria ranges from 0.8 - 2.6 inches per month. July is typically the wettest month, when rainfall can reach 2.6 in. January is typically the driest time to visit Austria when rainfall is around 0.8 in.

Temperature in Austria by month

If weather is an important factor for your trip to Austria, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Austria

Read through reviews of airlines operating flights from Illinois to Austria, such as Delta, KLM and LOT. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,934 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LOT

7.6

Good

1,069 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines

7.6

Good

781 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,275 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Illinois to Austria one-way?
To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $722. Aer Lingus flights start at $727 while deals on LOT start at $736 one-way.
Can I find deals for flights from Illinois to Austria that include hotel bookings?
Yes. In addition to deals on Illinois to Austria flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois to Austria?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Austria.
Can I find deals for business class flights from Illinois to Austria?
Yes. Cheapflights offers flight deals from Illinois to Austria 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 Austria?
Currently, October is the cheapest month in which you can book a flight from Illinois to Austria (average of $737). Flying from Illinois to Austria in June is currently the most expensive (average of $1,284). 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

Alternative routes for Illinois to Austria

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O'Hare Intl to Heathrow flights

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Seattle to Heathrow flights

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Newark to Dublin flights

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Dulles Intl to Charles de Gaulle flights

Newark to Madrid flights

O'Hare Intl to Charles de Gaulle flights

Boston to Leonardo da Vinci/Fiumicino flights

O'Hare Intl to Athens flights

Baltimore to Heathrow flights

Dallas/Fort Worth to Charles de Gaulle flights

Boston to Charles de Gaulle flights

LaGuardia to Gatwick flights

LaGuardia to Leonardo da Vinci/Fiumicino flights

Dulles Intl to Leonardo da Vinci/Fiumicino flights

Newark to Malpensa flights

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Boston to Gatwick flights

Atlanta to Heathrow flights

San Francisco to Charles de Gaulle flights

Newark to Frankfurt flights

Top 10 airlines flying from Illinois to Austria

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$477	Average$1,815	FlexibilityNo cancel fee	On-time71%
TAP AIR PORTUGAL	Cheapest$537	Average$1,052	FlexibilityNo cancel fee	On-timeN/A
LOT	Cheapest$543	Average$753	FlexibilityNo cancel fee	On-time81%
Turkish Airlines	Cheapest$547	Average$680	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$609	Average$1,420	FlexibilityNo cancel fee	On-time70%
Aer Lingus	Cheapest$638	Average$915	FlexibilityNo cancel fee	On-timeN/A
Austrian Airlines	Cheapest$689	Average$1,176	FlexibilityNo cancel fee	On-time78%
United Airlines	Cheapest$736	Average$1,855	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$829	Average$1,230	FlexibilityNo cancel fee	On-time76%
KLM	Cheapest$849	Average$860	FlexibilityNo cancel fee	On-time75%

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$262+ Cheap flights from Illinois to Austria

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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Illinois to Austria

Keep the following information in mind while searching for Illinois to Austria flight deals. Data was last updated May 1, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Illinois to Austria

Cheapest flights from Illinois to AustriaExplore the most affordable flight options available from Illinois to Austria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Explore the most affordable flight options available from Illinois to Austria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Austria that are best for you.

Best time to book a flight from Illinois to Austria

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

Cheapflights Insights

Everything you need to know about your flight from Illinois to Austria

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

What is the cheapest time of day to fly from IL to AT?

Find hourly flight availability from Illinois to Austria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Rainfall in Austria by month

Plan your trip to Austria by taking into account the average rainfall totals by month.

Temperature in Austria by month

Plan your trip to Austria by taking into account the average temperature totals by month.

Reviews of airlines servicing Austria

Get insights into the airlines that provide service to Austria. 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 Austria. Reviews last updated May 1, 2025.

Read through reviews of airlines operating flights from Illinois to Austria, such as Delta, KLM and LOT. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Austria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

How can I find direct flights from Illinois to Austria?

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

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

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 for Illinois to Austria

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

Top 10 airlines flying from Illinois to Austria

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Cheapest flights from Illinois to Austria
Explore the most affordable flight options available from Illinois to Austria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.