How do I get Price Alerts for flights from Illinois to Gustavus?

Confirm your travel details to search for the latest offers for flights from Illinois to Gustavus . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Illinois to Gustavus with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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.

$769 Cheap Flights from Illinois to Gustavus in 2026

1 adult

0 bags

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Find the cheapest flights from Illinois to Gustavus

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:03 pm - 4:39 pm

ORD

GST

30h 36m

3 stops

5:40 pm - 11:59 pm

GST

ORD

27h 19m

3 stops

$769Alaska Airlines

Wed, Aug 26 - Sun, Aug 30

9:00 am - 4:39 pm

ORD

GST

34h 39m

3 stops

5:40 pm - 7:40 am

GST

ORD

35h 00m

2 stops

$770Alaska Airlines

Wed, Aug 26 - Sun, Aug 30

8:58 pm - 4:52 pm

ORD

GST

22h 54m

2 stops

5:53 pm - 8:18 pm

GST

ORD

23h 25m

2 stops

$826Multiple Airlines

Sun, Jul 19 - Wed, Jul 29

8:05 pm - 4:52 pm

ORD

GST

47h 47m

3 stops

5:53 pm - 12:06 pm

GST

ORD

39h 13m

2 stops

$997Alaska Airlines

Fri, Jul 10 - Sat, Jul 25

12:59 am - 4:52 pm

ORD

GST

42h 53m

2 stops

5:53 pm - 6:20 am

GST

ORD

33h 27m

3 stops

$1,065Alaska Airlines

Sat, Jul 18 - Wed, Jul 29

12:59 am - 4:51 pm

ORD

GST

42h 52m

2 stops

5:50 pm - 12:06 pm

GST

ORD

39h 16m

3 stops

$1,073Alaska Airlines

Sat, Jul 18 - Wed, Jul 29

8:05 pm - 4:52 pm

ORD

GST

47h 47m

3 stops

5:53 pm - 11:59 pm

GST

ORD

27h 06m

3 stops

$1,079Alaska Airlines

Fri, Jul 10 - Sat, Jul 25

6:00 am - 4:51 pm

ORD

GST

37h 51m

3 stops

5:50 pm - 12:06 pm

GST

ORD

39h 16m

2 stops

$1,081Alaska Airlines

Fri, Jul 10 - Sat, Jul 25

6:00 am - 4:52 pm

ORD

GST

37h 52m

3 stops

5:53 pm - 6:20 am

GST

ORD

33h 27m

3 stops

$1,098Alaska Airlines

Sun, Jul 19 - Wed, Jul 29

6:00 am - 4:51 pm

ORD

GST

37h 51m

3 stops

5:50 pm - 12:06 pm

GST

ORD

39h 16m

3 stops

$1,106Alaska Airlines

Sun, Jul 19 - Wed, Jul 29

Alaska Airlines flights from Illinois to Gustavus

Our best Alaska Airlines deals on Illinois to Gustavus flight tickets

Alaska Airlines

Aug 26

ORD1:03 pmChicago O'Hare Intl

30h 36m

3 stops

GST4:39 pmGustavus Arpt

Aug 30

GST5:40 pmGustavus Arpt

27h 19m

3 stops

ORD11:59 pmChicago O'Hare Intl

$769

Alaska Airlines

Aug 26

ORD9:00 amChicago O'Hare Intl

34h 39m

3 stops

GST4:39 pmGustavus Arpt

Aug 30

GST5:40 pmGustavus Arpt

35h 00m

2 stops

ORD7:40 amChicago O'Hare Intl

$770

Alaska Airlines

Jul 10

ORD8:05 pmChicago O'Hare Intl

47h 47m

3 stops

GST4:52 pmGustavus Arpt

Jul 25

GST5:53 pmGustavus Arpt

39h 13m

2 stops

ORD12:06 pmChicago O'Hare Intl

$997

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Wed 8/26

1:03 pm-4:39 pm

3 stops30h 36m

Gustavus Arpt

Sun 8/30

5:40 pm-11:59 pm

3 stops27h 19m

$769

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Wed 8/26

9:00 am-4:39 pm

3 stops34h 39m

Gustavus Arpt

Sun 8/30

5:40 pm-7:40 am

2 stops35h 00m

$770

Quickest round-trip

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Sun 7/19

8:58 pm-4:52 pm

2 stops22h 54m

Gustavus Arpt

Wed 7/29

5:53 pm-8:18 pm

2 stops23h 25m

$826

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Fri 7/10

8:05 pm-4:52 pm

3 stops47h 47m

Gustavus Arpt

Sat 7/25

5:53 pm-12:06 pm

2 stops39h 13m

$997

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Sat 7/18

12:59 am-4:52 pm

2 stops42h 53m

Gustavus Arpt

Wed 7/29

5:53 pm-6:20 am

3 stops33h 27m

$1,065

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Sat 7/18

12:59 am-4:51 pm

2 stops42h 52m

Gustavus Arpt

Wed 7/29

5:50 pm-12:06 pm

3 stops39h 16m

$1,073

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Fri 7/10

8:05 pm-4:52 pm

3 stops47h 47m

Gustavus Arpt

Sat 7/25

5:53 pm-11:59 pm

3 stops27h 06m

$1,079

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Fri 7/10

6:00 am-4:51 pm

3 stops37h 51m

Gustavus Arpt

Sat 7/25

5:50 pm-12:06 pm

2 stops39h 16m

$1,081

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Sun 7/19

6:00 am-4:52 pm

3 stops37h 52m

Gustavus Arpt

Wed 7/29

5:53 pm-6:20 am

3 stops33h 27m

$1,098

ChicagoGustavus

ORD - GST

ORDGST

Chicago O'Hare Intl

Sun 7/19

6:00 am-4:51 pm

3 stops37h 51m

Gustavus Arpt

Wed 7/29

5:50 pm-12:06 pm

3 stops39h 16m

$1,106

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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	22h 54m
Direct flights	None

The fastest flight from Illinois to Gustavus takes 22h 54m

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

Search flight deals

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.

How do I get Price Alerts for flights from Illinois to Gustavus?
Confirm your travel details to search for the latest offers for flights from Illinois to Gustavus. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Illinois to Gustavus with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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.