$779+ Cheap flights from Illinois to Guam
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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GUM
Mar 6 — Mar 131
1 adult, Economy
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Find cheap flights from Illinois to Guam with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Guam
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Cheapest flights from Illinois to GuamExplore the most affordable flight options available from Illinois to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.
Explore the most affordable flight options available from Illinois to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/54:17 pm
STL
- GUM
2 stops56h 33m
United Airlines
Wed 9/97:10 am
GUM
- STL
2 stops22h 09m
United Airlines
Deal found 2/1![United Airlines logo]()
$1,537
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:02 am
ORD
- GUM
2 stops21h 03m
United Airlines
Mon 9/217:10 am
GUM
- ORD
2 stops27h 04m
United Airlines
Deal found 2/3![United Airlines logo]()
$1,969
This Delta deal was found by Cheapflights users on 2/3. 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.
Mon 9/145:25 pm
MDW
- GUM
2 stops30h 50m
Delta
Mon 9/215:00 pm
GUM
- MDW
2 stops40h 31m
Delta
Deal found 2/3![Delta logo]()
$1,984
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/261:10 pm
ORD
- GUM
1 stop23h 10m
United Airlines
Sat 12/57:25 am
GUM
- ORD
2 stops19h 44m
United Airlines
Deal found 2/3![United Airlines logo]()
$1,993
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2612:15 pm
ORD
- GUM
1 stop25h 10m
United Airlines
Wed 5/67:30 pm
GUM
- ORD
1 stop34h 45m
United Airlines
Deal found 2/3![United Airlines logo]()
$2,000
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:30 am
ORD
- GUM
1 stop17h 35m
United Airlines
Mon 9/147:10 am
GUM
- ORD
2 stops24h 30m
United Airlines
Deal found 2/3![United Airlines logo]()
$2,019
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:20 am
STL
- GUM
2 stops20h 45m
United Airlines
Wed 7/17:05 am
GUM
- STL
2 stops28h 37m
United Airlines
Deal found 2/3![United Airlines logo]()
$2,019
This Delta deal was found by Cheapflights users on 2/3. 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.
Mon 9/71:05 pm
MDW
- GUM
2 stops35h 10m
Delta
Mon 9/145:00 pm
GUM
- MDW
2 stops34h 30m
Delta
Deal found 2/3![Delta logo]()
$2,034
This Delta deal was found by Cheapflights users on 2/3. 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.
Fri 4/177:20 am
ORD
- GUM
2 stops25h 35m
Delta
Thu 4/233:00 am
GUM
- ORD
2 stops35h 59m
Delta
Deal found 2/3![Delta logo]()
$2,034
This Trip.com deal was found by Cheapflights users on 2/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/197:00 am
STL
- GUM
2 stops40h 35m
Multiple Airlines
Wed 3/251:00 am
GUM
- STL
2 stops53h 20m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$2,034
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:30 am
ORD
- GUM
2 stops21h 35m
United Airlines
Sat 5/237:30 pm
GUM
- ORD
1 stop34h 55m
United Airlines
Deal found 2/1![United Airlines logo]()
$2,043
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:15 pm
ORD
- GUM
1 stop25h 10m
United Airlines
Fri 4/247:30 pm
GUM
- ORD
1 stop34h 45m
United Airlines
Deal found 2/3![United Airlines logo]()
$2,050
Best flights from Illinois to GuamDiscover carefully curated flight deals from Illinois to Guam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
Discover carefully curated flight deals from Illinois to Guam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2612:15 pm
ORD
- GUM
1 stop25h 10m
United Airlines
Wed 5/67:30 pm
GUM
- ORD
1 stop34h 45m
United Airlines
Deal found 2/2![United Airlines logo]()
$2,000
This Delta deal was found by Cheapflights users on 2/3. 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.
Sat 4/187:15 am
ORD
- GUM
2 stops25h 40m
Delta
Sat 4/255:00 pm
GUM
- ORD
2 stops43h 38m
Delta
Deal found 2/3![Delta logo]()
$2,034
This Trip.com deal was found by Cheapflights users on 2/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/197:00 am
STL
- GUM
2 stops40h 35m
Multiple Airlines
Wed 3/251:00 am
GUM
- STL
2 stops53h 20m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$2,034
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:20 am
STL
- GUM
2 stops20h 45m
United Airlines
Wed 7/17:05 am
GUM
- STL
2 stops28h 37m
United Airlines
Deal found 2/3![United Airlines logo]()
$2,019
This Delta deal was found by Cheapflights users on 2/3. 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.
Fri 4/177:20 am
ORD
- GUM
2 stops25h 35m
Delta
Thu 4/233:00 am
GUM
- ORD
2 stops35h 59m
Delta
Deal found 2/3![Delta logo]()
$2,034
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:30 am
ORD
- GUM
2 stops21h 35m
United Airlines
Sat 5/237:30 pm
GUM
- ORD
1 stop34h 55m
United Airlines
Deal found 2/1![United Airlines logo]()
$2,043
This Delta deal was found by Cheapflights users on 2/1. 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 3/17:59 pm
ORD
- GUM
2 stops35h 06m
Delta
Wed 3/181:00 am
GUM
- ORD
2 stops37h 52m
Delta
Deal found 2/1![Delta logo]()
$2,079
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:15 pm
ORD
- GUM
1 stop25h 10m
United Airlines
Sat 4/257:05 am
GUM
- ORD
2 stops25h 00m
United Airlines
Deal found 2/3![United Airlines logo]()
$2,043
This Delta deal was found by Cheapflights users on 2/2. 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.
Sun 3/17:59 pm
ORD
- GUM
2 stops35h 06m
Delta
Tue 3/101:00 am
GUM
- ORD
2 stops37h 54m
Delta
Deal found 2/2![Delta logo]()
$2,079
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:15 pm
ORD
- GUM
1 stop25h 10m
United Airlines
Fri 4/247:30 pm
GUM
- ORD
1 stop34h 45m
United Airlines
Deal found 2/3![United Airlines logo]()
$2,050
This Delta deal was found by Cheapflights users on 2/1. 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 3/35:25 am
ORD
- GUM
2 stops41h 10m
Delta
Tue 3/174:50 pm
GUM
- ORD
2 stops43h 20m
Delta
Deal found 2/1![Delta logo]()
$2,079
This Delta deal was found by Cheapflights users on 2/2. 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.
Mon 3/166:15 am
ORD
- GUM
2 stops41h 20m
Delta
Mon 3/234:50 pm
GUM
- ORD
2 stops43h 44m
Delta
Deal found 2/2![Delta logo]()
$2,079
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/85:15 am
STL
- GUM
2 stops45h 50m
United Airlines
Sun 6/217:05 am
GUM
- STL
2 stops31h 53m
United Airlines
Deal found 2/3![United Airlines logo]()
$2,118
This Delta deal was found by Cheapflights users on 2/1. 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 3/16:40 pm
MDW
- GUM
2 stops36h 25m
Delta
Wed 3/181:00 am
GUM
- MDW
2 stops31h 54m
Delta
Deal found 2/1![Delta logo]()
$2,084
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:00 am
STL
- GUM
2 stops21h 05m
United Airlines
Tue 3/107:25 am
GUM
- STL
2 stops20h 54m
United Airlines
Deal found 2/3![United Airlines logo]()
$2,279
This Delta deal was found by Cheapflights users on 2/4. 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 3/299:45 am
STL
- GUM
2 stops23h 10m
Delta
Sun 4/55:00 pm
GUM
- STL
2 stops45h 25m
Delta
Deal found 2/4![Delta logo]()
$2,104
This Delta deal was found by Cheapflights users on 2/2. 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.
Thu 3/197:15 am
STL
- GUM
2 stops24h 50m
Delta
Wed 3/251:00 am
GUM
- STL
2 stops37h 58m
Delta
Deal found 2/2![Delta logo]()
$2,154
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/226:55 pm
STL
- GUM
2 stops41h 25m
United Airlines
Fri 3/67:40 am
GUM
- STL
2 stops31h 54m
United Airlines
Deal found 2/3![United Airlines logo]()
$2,511
This Delta deal was found by Cheapflights users on 2/2. 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.
Mon 3/169:35 am
MDW
- GUM
2 stops38h 00m
Delta
Mon 3/234:50 pm
GUM
- MDW
2 stops44h 41m
Delta
Deal found 2/2![Delta logo]()
$2,179
This Delta deal was found by Cheapflights users on 2/2. 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 3/179:35 am
MDW
- GUM
2 stops38h 00m
Delta
Mon 3/234:50 pm
GUM
- MDW
2 stops44h 41m
Delta
Deal found 2/2![Delta logo]()
$2,279
This Delta deal was found by Cheapflights users on 2/1. 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 3/189:35 am
MDW
- GUM
2 stops38h 00m
Delta
Mon 3/231:00 am
GUM
- MDW
2 stops36h 31m
Delta
Deal found 2/1![Delta logo]()
$2,279
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:30 am
STL
- GUM
2 stops27h 50m
United Airlines
Sat 4/187:05 am
GUM
- STL
2 stops26h 19m
United Airlines
Deal found 2/3![United Airlines logo]()
$3,673
This Delta deal was found by Cheapflights users on 2/2. 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 2/256:00 am
MDW
- GUM
2 stops40h 35m
Delta
Sun 3/11:00 am
GUM
- MDW
2 stops32h 37m
Delta
Deal found 2/2![Delta logo]()
$2,679
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:49 pm
STL
- GUM
2 stops43h 31m
United Airlines
Fri 4/107:05 am
GUM
- STL
2 stops26h 19m
United Airlines
Deal found 2/3![United Airlines logo]()
$3,797
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:30 am
STL
- GUM
2 stops28h 50m
United Airlines
Wed 4/112:10 pm
GUM
- STL
2 stops25h 18m
United Airlines
Deal found 2/3![United Airlines logo]()
$7,170
Last-minute flights from Illinois to GuamDiscover last-minute flight deals from Illinois to Guam. Data last updated February 4, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Guam. Data last updated February 4, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:45 am
ORD
- GUM
2 stops21h 20m
United Airlines
Mon 2/235:00 pm
GUM
- ORD
1 stop38h 10m
United Airlines
Deal found 2/2![United Airlines logo]()
$2,462
This Delta deal was found by Cheapflights users on 2/2. 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.
Sun 3/17:59 pm
ORD
- GUM
2 stops35h 06m
Delta
Tue 3/101:00 am
GUM
- ORD
2 stops37h 54m
Delta
Deal found 2/2![Delta logo]()
$2,079
This Delta deal was found by Cheapflights users on 2/1. 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 3/16:40 pm
MDW
- GUM
2 stops36h 25m
Delta
Wed 3/181:00 am
GUM
- MDW
2 stops31h 54m
Delta
Deal found 2/1![Delta logo]()
$2,084
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:10 pm
ORD
- GUM
1 stop23h 10m
United Airlines
Mon 3/97:25 am
GUM
- ORD
2 stops20h 49m
United Airlines
Deal found 2/2![United Airlines logo]()
$2,448
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:10 pm
ORD
- GUM
1 stop23h 10m
United Airlines
Tue 3/177:25 am
GUM
- ORD
2 stops20h 49m
United Airlines
Deal found 2/1![United Airlines logo]()
$2,248
This Delta deal was found by Cheapflights users on 2/3. 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.
Wed 3/46:10 am
STL
- GUM
2 stops40h 25m
Delta
Sat 4/45:00 pm
GUM
- STL
2 stops46h 21m
Delta
Deal found 2/3![Delta logo]()
$2,104
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:00 am
STL
- GUM
2 stops21h 05m
United Airlines
Tue 3/107:25 am
GUM
- STL
2 stops20h 54m
United Airlines
Deal found 2/3![United Airlines logo]()
$2,279
This Delta deal was found by Cheapflights users on 2/2. 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.
Mon 3/169:35 am
MDW
- GUM
2 stops38h 00m
Delta
Mon 3/234:50 pm
GUM
- MDW
2 stops44h 41m
Delta
Deal found 2/2![Delta logo]()
$2,179
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:17 am
ORD
- GUM
2 stops21h 33m
United Airlines
Mon 3/237:25 am
GUM
- ORD
2 stops22h 25m
United Airlines
Deal found 2/2![United Airlines logo]()
$2,229
This Delta deal was found by Cheapflights users on 2/2. 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 3/179:35 am
MDW
- GUM
2 stops38h 00m
Delta
Mon 3/234:50 pm
GUM
- MDW
2 stops44h 41m
Delta
Deal found 2/2![Delta logo]()
$2,279
This Trip.com deal was found by Cheapflights users on 2/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/197:00 am
STL
- GUM
2 stops40h 35m
Multiple Airlines
Wed 3/251:00 am
GUM
- STL
2 stops53h 20m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$2,034
This Delta deal was found by Cheapflights users on 2/2. 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.
Thu 3/197:15 am
STL
- GUM
2 stops24h 50m
Delta
Wed 3/251:00 am
GUM
- STL
2 stops37h 58m
Delta
Deal found 2/2![Delta logo]()
$2,154
One-way flights from Illinois to GuamSearch for one-way flight options from Illinois to Guam. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
Search for one-way flight options from Illinois to Guam. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/177:00 am
ORD
- GUM
3 stops50h 10m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$779
This Delta deal was found by Cheapflights users on 2/3. 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 2/176:40 pm
MDW
- GUM
2 stops36h 25m
Delta
Deal found 2/3![Delta logo]()
$1,603
This Delta deal was found by Cheapflights users on 2/3. 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 2/172:46 pm
ORD
- GUM
2 stops40h 19m
Delta
Deal found 2/3![Delta logo]()
$1,603
This United Airlines deal was found by Cheapflights users on 2/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/171:10 pm
ORD
- GUM
1 stop23h 10m
United Airlines
Deal found 2/3![United Airlines logo]()
$1,789
Find flight deals from Illinois to Guam
Keep the following information in mind while searching for Illinois to Guam flight deals. Data was last updated February 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $2,000 (United Airlines) |
One-way from | $779 (Kiwi.com) |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from Illinois to Guam that are best for you.
Fly from
Illinois
Fly to
Guam
Route
Depart
Return
Price
ChicagoTamuning
ORD - GUM
ORDGUM
Chicago O'Hare Intl
Sun 4/26
12:15 pm-4:25 am
1 stop25h 10m
Tamuning Guam Intl
Wed 5/6
7:30 pm-3:15 pm
1 stop34h 45m
$2,000
St. LouisTamuning
STL - GUM
STLGUM
Lambert-St Louis
Wed 6/17
6:20 am-6:05 pm
2 stops20h 45m
Tamuning Guam Intl
Wed 7/1
7:05 am-8:42 pm
2 stops28h 37m
$2,019
ChicagoTamuning
ORD - GUM
ORDGUM
Chicago O'Hare Intl
Sat 4/18
7:15 am-11:55 pm
2 stops25h 40m
Tamuning Guam Intl
Sat 4/25
5:00 pm-9:38 pm
2 stops43h 38m
$2,034
St. LouisTamuning
STL - GUM
STLGUM
Lambert-St Louis
Thu 3/19
7:00 am-2:35 pm
2 stops40h 35m
Tamuning Guam Intl
Wed 3/25
1:00 am-3:20 pm
2 stops53h 20m
$2,034
ChicagoTamuning
ORD - GUM
ORDGUM
Chicago O'Hare Intl
Fri 4/17
7:20 am-11:55 pm
2 stops25h 35m
Tamuning Guam Intl
Thu 4/23
3:00 am-11:59 pm
2 stops35h 59m
$2,034
ChicagoTamuning
ORD - GUM
ORDGUM
Chicago O'Hare Intl
Sun 5/17
5:30 am-6:05 pm
2 stops21h 35m
Tamuning Guam Intl
Sat 5/23
7:30 pm-3:25 pm
1 stop34h 55m
$2,043
ChicagoTamuning
ORD - GUM
ORDGUM
Chicago O'Hare Intl
Sat 4/18
12:15 pm-4:25 am
1 stop25h 10m
Tamuning Guam Intl
Sat 4/25
7:05 am-5:05 pm
2 stops25h 00m
$2,043
ChicagoTamuning
ORD - GUM
ORDGUM
Chicago O'Hare Intl
Fri 4/17
12:15 pm-4:25 am
1 stop25h 10m
Tamuning Guam Intl
Fri 4/24
7:30 pm-3:15 pm
1 stop34h 45m
$2,050
ChicagoTamuning
ORD - GUM
ORDGUM
Chicago O'Hare Intl
Sun 3/1
7:59 pm-11:05 pm
2 stops35h 06m
Tamuning Guam Intl
Wed 3/18
1:00 am-11:52 pm
2 stops37h 52m
$2,079
ChicagoTamuning
ORD - GUM
ORDGUM
Chicago O'Hare Intl
Sun 3/1
7:59 pm-11:05 pm
2 stops35h 06m
Tamuning Guam Intl
Tue 3/10
1:00 am-11:54 pm
2 stops37h 54m
$2,079
Showing 1-10 of 29 results
Best time to book a flight from Illinois to Guam
Have a flexible travel schedule? Discover the best time to fly to Guam from Illinois with our price prediction graph.
STL-GUM
ORD-GUM
MDW-GUM
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 Guam
USIL-GU0
STL-GUM
ORD-GUM
MDW-GUM
No data available for this route at this time. Please check back soon.
Related info for your journey
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Alternative routes for Illinois to Guam
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Complete your trip
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Illinois and Guam flights
Browse other Illinois and Guam flight options. Last updated on February 4, 2026.
Popular flight searches
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Illinois to Guam flights
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Top airline flying from Illinois to Guam
Discover the top airline that operate flights from Illinois to Guam. 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 February 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,967 | Average$2,227 | FlexibilityNo cancel fee | On-time69% |