When did momondo last update prices for flights from Illinois to Gustavus Arpt Airport?

Prices for flights from Illinois to Gustavus Arpt Airport are updated daily.

How old do you have to be to fly from Illinois to Gustavus Arpt Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Gustavus Arpt Airport.

What documentation or ID do you need to fly to Gustavus Arpt Airport?

The required travel and health documents for your Gustavus Arpt Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Gustavus Arpt Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$391 Cheap Flights from Illinois to Gustavus in 2026

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Find the cheapest flights from Illinois to Gustavus

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:59 am - 4:52 pm

ORD

GST

18h 53m

2 stops

5:40 pm - 11:59 pm

GST

ORD

27h 19m

3 stops

$780Alaska Airlines

Fri, Aug 14 - Wed, Aug 19

12:59 am - 4:52 pm

ORD

GST

18h 53m

2 stops

5:40 pm - 7:40 am

GST

ORD

35h 00m

2 stops

$781Alaska Airlines

Fri, Aug 14 - Wed, Aug 19

12:59 am - 4:52 pm

ORD

GST

18h 53m

2 stops

5:53 pm - 8:29 am

GST

ORD

11h 36m

2 stops

$842Alaska Airlines

Mon, Jul 13 - Tue, Jul 21

5:47 pm - 4:52 pm

ORD

GST

26h 05m

2 stops

5:53 pm - 10:00 pm

GST

ORD

25h 07m

2 stops

$889Multiple Airlines

Fri, Jul 10 - Sat, Jul 25

8:20 pm - 4:52 pm

ORD

GST

23h 32m

2 stops

5:53 pm - 6:20 am

GST

ORD

33h 27m

2 stops

$900Alaska Airlines

Fri, Jul 10 - Sat, Jul 25

6:42 pm - 4:52 pm

ORD

GST

25h 10m

2 stops

5:53 pm - 6:40 am

GST

ORD

33h 47m

2 stops

$919Alaska Airlines

Fri, Jul 10 - Sat, Jul 25

8:20 pm - 4:52 pm

ORD

GST

47h 32m

3 stops

5:53 pm - 6:20 am

GST

ORD

33h 27m

2 stops

$942Alaska Airlines

Fri, Jul 10 - Sat, Jul 25

6:42 pm - 4:52 pm

ORD

GST

49h 10m

3 stops

5:53 pm - 8:29 am

GST

ORD

35h 36m

2 stops

$961Alaska Airlines

Fri, Jul 10 - Sat, Jul 25

8:20 pm - 4:52 pm

ORD

GST

47h 32m

3 stops

5:53 pm - 6:20 am

GST

ORD

33h 27m

3 stops

$1,062Alaska Airlines

Fri, Jul 10 - Sat, Jul 25

5:00 am - 4:52 pm

ORD

GST

14h 52m

3 stops

5:53 pm - 2:21 pm

GST

ORD

17h 28m

3 stops

$1,775Multiple Airlines

Fri, Jul 10 - Sat, Jul 25

Alaska Airlines flights from Illinois to Gustavus

Our best Alaska Airlines deals on Illinois to Gustavus flight tickets

Alaska Airlines

Aug 14

ORD12:59 amChicago O'Hare Intl

18h 53m

2 stops

GST4:52 pmGustavus Arpt

Aug 19

GST5:40 pmGustavus Arpt

27h 19m

3 stops

ORD11:59 pmChicago O'Hare Intl

$780

Alaska Airlines

Aug 14

ORD12:59 amChicago O'Hare Intl

18h 53m

2 stops

GST4:52 pmGustavus Arpt

Aug 19

GST5:40 pmGustavus Arpt

35h 00m

2 stops

ORD7:40 amChicago O'Hare Intl

$781

Alaska Airlines

Jul 13

ORD12:59 amChicago O'Hare Intl

18h 53m

2 stops

GST4:52 pmGustavus Arpt

Jul 21

GST5:53 pmGustavus Arpt

11h 36m

2 stops

ORD8:29 amChicago O'Hare Intl

$842

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Fri 8/14

12:59 am-4:52 pm

2 stops18h 53m

Gustavus Arpt

Wed 8/19

5:40 pm-11:59 pm

3 stops27h 19m

$780

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Fri 8/14

12:59 am-4:52 pm

2 stops18h 53m

Gustavus Arpt

Wed 8/19

5:40 pm-7:40 am

2 stops35h 00m

$781

Quickest round-trip

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Mon 7/13

12:59 am-4:52 pm

2 stops18h 53m

Gustavus Arpt

Tue 7/21

5:53 pm-8:29 am

2 stops11h 36m

$842

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Fri 7/10

5:47 pm-4:52 pm

2 stops26h 05m

Gustavus Arpt

Sat 7/25

5:53 pm-10:00 pm

2 stops25h 07m

$889

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Fri 7/10

8:20 pm-4:52 pm

2 stops23h 32m

Gustavus Arpt

Sat 7/25

5:53 pm-6:20 am

2 stops33h 27m

$900

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Fri 7/10

6:42 pm-4:52 pm

2 stops25h 10m

Gustavus Arpt

Sat 7/25

5:53 pm-6:40 am

2 stops33h 47m

$919

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Fri 7/10

8:20 pm-4:52 pm

3 stops47h 32m

Gustavus Arpt

Sat 7/25

5:53 pm-6:20 am

2 stops33h 27m

$942

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Fri 7/10

6:42 pm-4:52 pm

3 stops49h 10m

Gustavus Arpt

Sat 7/25

5:53 pm-8:29 am

2 stops35h 36m

$961

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Fri 7/10

8:20 pm-4:52 pm

3 stops47h 32m

Gustavus Arpt

Sat 7/25

5:53 pm-6:20 am

3 stops33h 27m

$1,062

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Fri 7/10

5:00 am-4:52 pm

3 stops14h 52m

Gustavus Arpt

Sat 7/25

5:53 pm-2:21 pm

3 stops17h 28m

$1,775

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Gustavus

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Illinois to Gustavus Arpt?

Alaska Airlines is the most popular carrier operating from Illinois to Gustavus Arpt

Cheap Illinois to Gustavus flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Gustavus

Fastest flight time	13h 07m
Direct flights	None

The fastest flight from Illinois to Gustavus takes 13h 07m

There are no direct flights from Illinois to Gustavus. There are no popular flight routes from Illinois to Gustavus.

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Frequently asked questions about flying from Illinois to Gustavus

When did momondo last update prices for flights from Illinois to Gustavus Arpt Airport?
Prices for flights from Illinois to Gustavus Arpt Airport are updated daily.
How old do you have to be to fly from Illinois to Gustavus Arpt Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Gustavus Arpt Airport.
What documentation or ID do you need to fly to Gustavus Arpt Airport?
The required travel and health documents for your Gustavus Arpt Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Gustavus Arpt Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Gustavus?

It is quick and easy to find Illinois to Gustavus flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Gustavus that suits you.

Can I find flights from Illinois to Gustavus with flexible booking policies on momondo?

All flight searches from Illinois to Gustavus on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Illinois to Gustavus?

momondo provides multiple filters to help you find the best flight to Gustavus from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Illinois to Gustavus right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Illinois to Gustavus flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.