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$1,603+ Cheap flights from Chicago (CHI) 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — GUM
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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Cheap flight deals from Chicago to Guam

Keep the following information in mind while searching for Chicago to Guam flight deals. Data was last updated julio 30, 2025.

Round-trip from

$2,017
(United Airlines)

One-way from

$1,776
(United Airlines)

Popular in

July

Cheapest in

March

Average price

$2,926
From Chicago (CHI) to Guam
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One-way flight from Chicago (CHI) to Guam
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Highest demand for flights based on searches. 3% potential increase in price ($87 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Chicago to Guam

Cheapest flights from Chicago to Guam
Explore the most affordable flight options available from Chicago to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/28. 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.
lun. 11/38:12 pmORD - GUM
2 stops30h 38mUnited Airlines
lun. 11/177:25 amGUM - ORD
2 stops23h 23mUnited Airlines
Deal found 7/28$1,917
This Delta deal was found by Cheapflights users on 7/28. 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.
lun. 11/310:35 amMDW - GUM
2 stops36h 00mDelta
lun. 11/174:50 pmGUM - MDW
2 stops44h 54mDelta
Deal found 7/28$1,933
This Delta deal was found by Cheapflights users on 7/30. 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.
lun. 12/111:19 amORD - GUM
2 stops35h 16mDelta
mar. 1/134:50 pmGUM - ORD
2 stops46h 54mDelta
Deal found 7/30$1,983

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 julio 30, 2025.
Use the filters below to find and compare flights from Chicago to Guam that are best for you.

Fly from

Chicago

Fly to

Guam

Route

Depart

Return

Price

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

lun. 11/3

8:12 pm-6:50 pm

2 stops30h 38m

Tamuning Guam Intl

lun. 11/17

7:25 am-2:48 pm

2 stops23h 23m

$1,917

ChicagoTamuning

MDW - GUM

MDWGUM

Chicago Midway

lun. 11/3

10:35 am-2:35 pm

2 stops36h 00m

Tamuning Guam Intl

lun. 11/17

4:50 pm-9:44 pm

2 stops44h 54m

$1,933

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

lun. 12/1

11:19 am-2:35 pm

2 stops35h 16m

Tamuning Guam Intl

mar. 1/13

4:50 pm-11:44 pm

2 stops46h 54m

$1,983

ChicagoTamuning

MDW - GUM

MDWGUM

Chicago Midway

jue. 1/8

5:25 pm-2:35 pm

2 stops29h 10m

$1,603

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

jue. 1/8

7:00 am-2:35 pm

2 stops39h 35m

$1,603

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

lun. 8/4

9:30 am-6:05 pm

1 stop17h 35m

$1,776

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Chicago to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from Chicago 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 Chicago to Guam

What is the cheapest time of day to fly from CHI to GU?

Find hourly flight availability from Chicago to Guam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 30, 2025.

When flying from Chicago to Guam, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Guam

Get insights into the airlines that provide service to Guam. 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 Guam. Reviews last updated julio 30, 2025.
Get a feel of what it's like to fly with Delta and United Airlines from Chicago to Guam by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

  • Can I find deals for flights from Chicago to Guam that include hotel bookings?

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

  • How can I find direct flights from Chicago to Guam?

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

  • Can I find deals for business class flights from Chicago to Guam?

    Yes. Cheapflights offers flight deals from Chicago to Guam 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 Chicago to Guam?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Guam (average of $1,977). Flying from Chicago to Guam in May is currently the most expensive (average of $2,214). 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

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Top airline flying from Chicago to Guam

Discover the top airline that operate flights from Chicago 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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,916Average$2,227FlexibilityNo cancel feeOn-time69%

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