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Cheap flights from Illinois to Guam from $1,084

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Guam departing on 1/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Guam

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:45 am - 6:05 pm
ORD
-
GUM
21h 20m2 stops
United Airlines Logo
7:05 am - 2:34 pm
GUM
-
ORD
22h 29m2 stops
$1,918United Airlines
Wed, Apr 1 - Wed, Apr 8
Delta Logo
5:25 am - 11:05 pm
ORD
-
GUM
25h 40m2 stops
Delta Logo
4:50 pm - 11:56 pm
GUM
-
ORD
46h 06m2 stops
$1,933Delta
Tue, Feb 24 - Mon, Mar 9
United Airlines Logo
12:15 pm - 4:25 am
ORD
-
GUM
25h 10m1 stop
United Airlines Logo
7:05 am - 11:42 am
GUM
-
ORD
19h 37m2 stops
$1,937United Airlines
Wed, Apr 1 - Wed, Apr 8
United Airlines Logo
1:10 pm - 4:20 am
ORD
-
GUM
23h 10m1 stop
United Airlines Logo
7:20 pm - 3:10 pm
GUM
-
ORD
35h 50m1 stop
$1,949United Airlines
Tue, Feb 17 - Mon, Mar 2
Delta Logo
6:00 am - 11:05 pm
MDW
-
GUM
25h 05m2 stops
Delta Logo
1:00 am - 12:46 pm
GUM
-
MDW
27h 46m2 stops
$2,078Delta
Thu, Jan 29 - Wed, Feb 4
Delta Logo
7:20 am - 2:35 pm
ORD
-
GUM
39h 15m2 stops
Delta Logo
1:00 am - 11:53 pm
GUM
-
ORD
38h 53m2 stops
$2,078Delta
Thu, Jan 29 - Wed, Feb 4
United Airlines Logo
12:15 pm - 4:25 am
ORD
-
GUM
25h 10m1 stop
United Airlines Logo
7:30 pm - 3:15 pm
GUM
-
ORD
34h 45m1 stop
$2,079United Airlines
Wed, Apr 1 - Wed, Apr 8
Delta Logo
7:30 am - 11:05 pm
ORD
-
GUM
23h 35m2 stops
Delta Logo
1:00 am - 11:53 pm
GUM
-
ORD
38h 53m2 stops
$2,138Delta
Thu, Jan 15 - Wed, Jan 21
Delta Logo
4:30 pm - 11:05 pm
MDW
-
GUM
38h 35m2 stops
Delta Logo
1:00 am - 12:46 pm
GUM
-
MDW
27h 46m2 stops
$2,178Delta
Sat, Jan 31 - Fri, Feb 6
Delta Logo
6:50 am - 2:35 pm
ORD
-
GUM
39h 45m2 stops
Delta Logo
4:50 pm - 11:56 pm
GUM
-
ORD
47h 06m2 stops
$2,178Delta
Fri, Jan 30 - Fri, Feb 6

United Airlines flights from Illinois to Guam

Our best United Airlines deals on Illinois to Guam flight tickets
United Airlines
Apr 1
ORD5:45 amChicago O'Hare Intl
21h 20m
2 stops
GUM6:05 pmTamuning Guam Intl
Apr 8
GUM7:05 amTamuning Guam Intl
22h 29m
2 stops
ORD2:34 pmChicago O'Hare Intl
$1,918
Find similar
United Airlines
Apr 1
ORD12:15 pmChicago O'Hare Intl
25h 10m
1 stop
GUM4:25 amTamuning Guam Intl
Apr 8
GUM7:05 amTamuning Guam Intl
19h 37m
2 stops
ORD11:42 amChicago O'Hare Intl
$1,937
Find similar
United Airlines
Feb 17
ORD1:10 pmChicago O'Hare Intl
23h 10m
1 stop
GUM4:20 amTamuning Guam Intl
Mar 2
GUM7:20 pmTamuning Guam Intl
35h 50m
1 stop
ORD3:10 pmChicago O'Hare Intl
$1,949
Find similar

Delta flights from Illinois to Guam

Our best Delta deals on Illinois to Guam flight tickets
Delta
Jan 15
ORD7:20 amChicago O'Hare Intl
23h 45m
2 stops
GUM11:05 pmTamuning Guam Intl
Jan 21
GUM1:00 amTamuning Guam Intl
36h 05m
2 stops
ORD9:05 pmChicago O'Hare Intl
$2,138
Find similar
Delta
Jan 30
ORD6:50 amChicago O'Hare Intl
39h 45m
2 stops
GUM2:35 pmTamuning Guam Intl
Feb 6
GUM4:50 pmTamuning Guam Intl
47h 06m
2 stops
ORD11:56 pmChicago O'Hare Intl
$2,178
Find similar
Delta
Jan 7
ORD7:30 amChicago O'Hare Intl
23h 35m
2 stops
GUM11:05 pmTamuning Guam Intl
Jan 13
GUM1:00 amTamuning Guam Intl
38h 53m
2 stops
ORD11:53 pmChicago O'Hare Intl
$2,198
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Guam 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Illinois to Guam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Wed 4/1

5:45 am-6:05 pm

2 stops21h 20m

Tamuning Guam Intl

Wed 4/8

7:05 am-2:34 pm

2 stops22h 29m

$1,918

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Tue 2/24

5:25 am-11:05 pm

2 stops25h 40m

Tamuning Guam Intl

Mon 3/9

4:50 pm-11:56 pm

2 stops46h 06m

$1,933

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Wed 4/1

12:15 pm-4:25 am

1 stop25h 10m

Tamuning Guam Intl

Wed 4/8

7:05 am-11:42 am

2 stops19h 37m

$1,937

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Tue 2/17

1:10 pm-4:20 am

1 stop23h 10m

Tamuning Guam Intl

Mon 3/2

7:20 pm-3:10 pm

1 stop35h 50m

$1,949

ChicagoTamuning

MDW - GUM

MDWGUM

Chicago Midway

Thu 1/29

6:00 am-11:05 pm

2 stops25h 05m

Tamuning Guam Intl

Wed 2/4

1:00 am-12:46 pm

2 stops27h 46m

$2,078

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Thu 1/29

7:20 am-2:35 pm

2 stops39h 15m

Tamuning Guam Intl

Wed 2/4

1:00 am-11:53 pm

2 stops38h 53m

$2,078

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Wed 4/1

12:15 pm-4:25 am

1 stop25h 10m

Tamuning Guam Intl

Wed 4/8

7:30 pm-3:15 pm

1 stop34h 45m

$2,079

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Thu 1/15

7:30 am-11:05 pm

2 stops23h 35m

Tamuning Guam Intl

Wed 1/21

1:00 am-11:53 pm

2 stops38h 53m

$2,138

ChicagoTamuning

MDW - GUM

MDWGUM

Chicago Midway

Sat 1/31

4:30 pm-11:05 pm

2 stops38h 35m

Tamuning Guam Intl

Fri 2/6

1:00 am-12:46 pm

2 stops27h 46m

$2,178

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Fri 1/30

6:50 am-2:35 pm

2 stops39h 45m

Tamuning Guam Intl

Fri 2/6

4:50 pm-11:56 pm

2 stops47h 06m

$2,178

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Guam from

How to get the cheapest flight ticket from Illinois to Guam

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 day to depart on your flight to Guam?

The cheapest day to depart from Illinois to Guam is on a Wednesday when prices can be found for as low as $1,966. Flights from Illinois to Guam on a Friday will generally be more expensive and average around $2,286. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Guam?

Flying to Guam from Illinois at noon is the least expensive time of day to depart. momondo users have found prices as low as $2,084 when looking at flights departing at noon. In contrast, the most expensive time of day to depart to Guam is in the morning when prices are around $2,096.

Cheap Illinois to Guam flight deals and tips

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

Fastest flight time

18h 10m

Direct flights

None
The fastest flight from Illinois to Guam takes 18h 10m
There are no direct flights from Illinois to Guam. There are no popular flight routes from Illinois to Guam.
Search flight deals

  • When did momondo last update prices for flights from Illinois to Guam?

    Prices for flights from Illinois to Guam are updated daily.

  • How many operators does momondo search for flights from Illinois to Guam?

  • How old do you have to be to fly from Illinois to Guam?

    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 Guam.

  • What documentation or ID do you need to fly to Guam?

    The required travel and health documents for your Guam 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 Guam. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Guam

Compare and see reviews for airlines that fly from Illinois to Guam with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $1,916Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Illinois to Guam 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 Guam that suits you.

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

momondo does allow users to show only those flights to Guam from Illinois which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Guam from Illinois.

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

Yes momondo offers price alerts on flights to Guam from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Guam trip

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