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$1,677+ Cheap flights from Guam to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — ORD
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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Cheap flight deals from Guam to Illinois

Keep the following information in mind while searching for Guam to Illinois flight deals. Data was last updated April 1, 2025.

Round-trip from

$1,677
(United Airlines)
From Guam to Illinois
Search Deals

Find flight deals from Guam to Illinois

Cheapest flights from Guam to Illinois
Explore the most affordable flight options available from Guam to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.

This United Airlines deal was found by Cheapflights users on 3/31. 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 5/167:10 amGUM - ORD
2 stops31h 17mUnited Airlines
Fri 5/239:30 amORD - GUM
1 stop17h 35mUnited Airlines
Deal found 3/31$1,677
This Delta deal was found by Cheapflights users on 3/31. 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 5/165:00 pmGUM - MDW
2 stops43h 14mDelta
Fri 5/236:00 amMDW - GUM
2 stops42h 15mDelta
Deal found 3/31$4,176

Cheapflights Fare Finder

Customize your flight search to find flights from Guam to Illinois 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 April 1, 2025.
Use the filters below to find and compare flights from Guam to Illinois that are best for you.

Fly from

Guam

Fly to

Illinois

Route

Depart

Return

Price

TamuningChicago

GUM - ORD

GUMORD

Tamuning Guam Intl

Fri 5/16

7:10 am-11:27 pm

2 stops31h 17m

Chicago O'Hare Intl

Fri 5/23

9:30 am-6:05 pm

1 stop17h 35m

$1,677

TamuningChicago

GUM - MDW

GUMMDW

Tamuning Guam Intl

Fri 5/16

5:00 pm-9:14 pm

2 stops43h 14m

Chicago Midway

Fri 5/23

6:00 am-3:15 pm

2 stops42h 15m

$4,176

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Best time to book a flight from Guam to Illinois

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

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

Find hourly flight availability from Guam to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Guam to Illinois as you normally would.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated April 1, 2025.
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,615 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Guam to Illinois. 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 Guam to Illinois that include hotel bookings?

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Guam to Illinois (average of $245). Flying from Guam to Illinois in March is currently the most expensive (average of $323). 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 Guam to Illinois

Discover the top airline that operate flights from Guam to Illinois. 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,583Average$1,899FlexibilityNo cancel feeOn-time69%
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