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Tamuning

$1,269+ Cheap flights from Illinois to Tamuning (GUM)

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GUM
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Illinois to Tamuning

Keep the following information in mind while searching for Illinois to Tamuning flight deals. Data was last updated June 12, 2025.

Round-trip from

$2,017
(United Airlines)

One-way from

$1,603
(Delta)

Popular in

July

Cheapest in

March

Average price

$2,091
From Illinois to Tamuning Guam Intl
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One-way flight from Illinois to Tamuning Guam Intl
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Highest demand for flights based on searches. 4% potential increase in price ($105 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Illinois to Tamuning

Cheapest flights from Illinois to Tamuning
Explore the most affordable flight options available from Illinois to Tamuning. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/12. 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 10/105:47 pmSTL - GUM
2 stops43h 38mUnited Airlines
Mon 10/137:10 amGUM - STL
2 stops20h 34mUnited Airlines
Deal found 6/12$1,269
This Delta deal was found by Cheapflights users on 6/10. 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 12/17:30 amORD - GUM
2 stops39h 05mDelta
Sat 1/174:50 pmGUM - ORD
2 stops46h 54mDelta
Deal found 6/10$1,983
This United Airlines deal was found by Cheapflights users on 6/10. 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 12/11:10 pmORD - GUM
1 stop23h 10mUnited Airlines
Sat 1/177:25 amGUM - ORD
2 stops29h 46mUnited Airlines
Deal found 6/10$1,992
This Delta deal was found by Cheapflights users on 6/9. 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 9/89:30 amMDW - GUM
2 stops38h 45mDelta
Thu 9/181:55 amGUM - MDW
2 stops25h 37mDelta
Deal found 6/9$2,033
This Delta deal was found by Cheapflights users on 6/10. 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 7/85:23 pmSTL - GUM
2 stops30h 52mDelta
Tue 7/155:00 pmGUM - STL
2 stops45h 20mDelta
Deal found 6/10$2,153

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Tamuning 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 June 12, 2025.
Use the filters below to find and compare flights from Illinois to Tamuning that are best for you.

Fly from

Illinois

Fly to

Tamuning

Route

Depart

Return

Price

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Mon 9/8

6:00 am-6:05 pm

2 stops21h 05m

Tamuning Guam Intl

Fri 9/19

7:10 am-6:26 pm

2 stops26h 16m

$2,017

ChicagoTamuning

MDW - GUM

MDWGUM

Chicago Midway

Mon 9/8

9:30 am-3:15 pm

2 stops38h 45m

Tamuning Guam Intl

Thu 9/18

1:55 am-12:32 pm

2 stops25h 37m

$2,033

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Mon 9/8

8:25 am-3:15 pm

2 stops39h 50m

Tamuning Guam Intl

Thu 9/18

1:55 am-6:38 pm

2 stops31h 43m

$2,033

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Tue 7/8

5:23 pm-3:15 pm

2 stops30h 52m

Tamuning Guam Intl

Tue 7/15

5:00 pm-11:20 pm

2 stops45h 20m

$2,153

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Tue 7/8

6:33 am-6:05 pm

2 stops20h 32m

Tamuning Guam Intl

Tue 7/15

7:15 am-4:45 pm

3 stops24h 30m

$2,527

ChicagoTamuning

MDW - GUM

MDWGUM

Chicago Midway

Sun 8/17

6:42 pm-12:10 am

2 stops38h 28m

$1,603

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Sun 8/17

7:59 pm-12:10 am

2 stops37h 11m

$1,603

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Tue 8/19

9:30 am-6:05 pm

1 stop17h 35m

$1,776

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Illinois to Tamuning

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

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

Find hourly flight availability from Illinois to Tamuning. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

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

Rainfall in Tamuning by month

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

In terms of precipitation, rainfall in Tamuning ranges from 2.6 - 14.4 inches per month. August is typically the wettest month, when rainfall can reach 14.4 in. March is typically the driest time to visit Tamuning when rainfall is around 2.6 in.

Temperature in Tamuning by month

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

If weather is an important factor for your trip to Tamuning, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Reviews of airlines servicing Tamuning

Get insights into the airlines that provide service to Tamuning. 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 Tamuning. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Delta and United Airlines from Illinois to Tamuning. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

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 Illinois to Tamuning. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Tamuning from Illinois?

    If you book a flight to Tamuning from Illinois, you will be flying to Guam Intl, which is the city’s only airport. Tamuning Guam Intl (GUM) is located 1.1 mi from the center of Tamuning.

  • What are the most popular routes from Illinois to Tamuning?

    Most travelers choose Chicago O'Hare Intl - Tamuning Guam Intl, Chicago Midway - Tamuning Guam Intl or Lambert-St Louis - Tamuning Guam Intl when deciding on the best route from Illinois to Tamuning.

  • Can I find deals for flights from Illinois to Tamuning that include hotel bookings?

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Illinois to Tamuning (average of $1,977). Flying from Illinois to Tamuning 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 Illinois to Tamuning

Discover the top airline that operate flights from Illinois to Tamuning. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,916Average$2,226FlexibilityNo cancel feeOn-time69%

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