How long is the flight from Illinois to Tamuning?

A quick flight from Illinois to Tamuning can take about 21h 16m. United Airlines provides one of the quickest options available for as low as $1,918. There are 7345 mi between Illinois and Tamuning. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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.

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).

What are the most popular routes from Illinois to Tamuning?

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

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

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.

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.

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.

$1,602+ Flights from Illinois to Tamuning

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Cheap 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 December 30, 2025.

Wed 12/316:00 amSTL - GUM

2 stops21h 00mUnited Airlines

Fri 1/27:40 amGUM - STL

2 stops24h 56mUnited Airlines

Deal found 12/27

$3,178

Best flights from Illinois to Tamuning
Discover carefully curated flight deals from Illinois to Tamuning that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 30, 2025.

Mon 4/135:49 amORD - GUM

2 stops21h 16mUnited Airlines

Wed 4/227:05 amGUM - ORD

2 stops20h 52mUnited Airlines

Deal found 12/29

$1,918

Sat 3/284:30 pmMDW - GUM

2 stops31h 45mDelta

Sat 4/45:00 pmGUM - MDW

2 stops44h 31mDelta

Deal found 12/29

$2,033

Thu 3/55:40 amORD - GUM

2 stops21h 25mUnited Airlines

Thu 3/127:25 amGUM - ORD

2 stops22h 25mUnited Airlines

Deal found 12/29

$1,918

Tue 1/202:50 pmORD - GUM

2 stops40h 15mDelta

Tue 1/271:00 amGUM - ORD

2 stops36h 43mDelta

Deal found 12/29

$2,078

Mon 4/1312:15 pmORD - GUM

1 stop25h 10mUnited Airlines

Mon 5/47:05 amGUM - ORD

2 stops19h 04mUnited Airlines

Deal found 12/28

$1,937

Mon 2/165:25 amORD - GUM

2 stops25h 40mDelta

Fri 2/274:50 pmGUM - ORD

2 stops43h 54mDelta

Deal found 12/29

$2,128

Sun 4/196:00 amSTL - GUM

2 stops21h 05mUnited Airlines

Sat 4/257:30 pmGUM - STL

2 stops42h 26mUnited Airlines

Deal found 12/27

$2,041

Sat 3/282:59 pmORD - GUM

2 stops33h 16mDelta

Sat 4/45:00 pmGUM - ORD

2 stops45h 52mDelta

Deal found 12/29

$2,206

Sat 3/2812:15 pmORD - GUM

1 stop25h 10mUnited Airlines

Sat 4/47:05 amGUM - ORD

2 stops20h 52mUnited Airlines

Deal found 12/29

$2,144

Mon 2/95:40 amORD - GUM

2 stops21h 25mUnited Airlines

Mon 2/167:40 amGUM - ORD

2 stops21h 34mUnited Airlines

Deal found 12/28

$2,228

Tue 3/248:30 amSTL - GUM

2 stops28h 50mUnited Airlines

Wed 4/112:10 pmGUM - STL

2 stops25h 18mUnited Airlines

Deal found 12/28

$4,169

Tue 3/248:30 amSTL - GUM

2 stops28h 50mUnited Airlines

Thu 4/212:10 pmGUM - STL

2 stops23h 44mUnited Airlines

Deal found 12/28

$4,169

Last-minute flights from Illinois to Tamuning
Discover last-minute flight deals from Illinois to Tamuning. Data last updated December 30, 2025 and is based on user searches.

Wed 12/316:00 amSTL - GUM

2 stops21h 00mUnited Airlines

Fri 1/27:40 amGUM - STL

2 stops24h 56mUnited Airlines

Deal found 12/27

$3,178

Fri 1/21:10 pmORD - GUM

1 stop23h 10mUnited Airlines

Sun 1/47:40 amGUM - ORD

2 stops24h 47mUnited Airlines

Deal found 12/29

$7,255

Tue 1/202:50 pmORD - GUM

2 stops40h 15mDelta

Tue 1/271:00 amGUM - ORD

2 stops36h 43mDelta

Deal found 12/29

$2,078

Tue 1/201:10 pmORD - GUM

1 stop23h 10mUnited Airlines

Wed 1/287:40 amGUM - ORD

2 stops21h 20mUnited Airlines

Deal found 12/29

$2,447

One-way flights from Illinois to Tamuning
Search for one-way flight options from Illinois to Tamuning. Find affordable one-way fares based on user searches. Data last updated December 30, 2025.

Fri 2/276:00 amMDW - GUM

2 stops25h 05mDelta

Deal found 12/30

$1,602

Fri 2/277:59 pmORD - GUM

2 stops35h 06mDelta

Deal found 12/30

$1,602

Mon 3/21:10 pmORD - GUM

1 stop23h 10mUnited Airlines

Deal found 12/30

$1,788

Fri 2/271:10 pmORD - GUM

1 stop23h 10mUnited Airlines

Deal found 12/30

$1,838

Find flight deals from Illinois to Tamuning

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,607 (United Airlines)
One-way from	$1,602 (Delta)

Provider with most accurate pricing for Chicago (CHI)-Tamuning Guam Intl flight deals.

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Provider most trusted by Cheapflights users for Chicago (CHI)-Tamuning Guam Intl flights.

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From Illinois to Tamuning Guam Intl

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One-way flight from Illinois to Tamuning Guam Intl

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Fly from

Fly to

Route

Depart

Return

Price

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Mon 4/13

5:49 am-6:05 pm

2 stops21h 16m

Tamuning Guam Intl

Wed 4/22

7:05 am-12:57 pm

2 stops20h 52m

$1,918

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Thu 3/5

5:40 am-7:05 pm

2 stops21h 25m

Tamuning Guam Intl

Thu 3/12

7:25 am-2:50 pm

2 stops22h 25m

$1,918

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Mon 4/13

12:15 pm-4:25 am

1 stop25h 10m

Tamuning Guam Intl

Mon 5/4

7:05 am-11:09 am

2 stops19h 04m

$1,937

ChicagoTamuning

MDW - GUM

MDWGUM

Chicago Midway

Sat 3/28

4:30 pm-3:15 pm

2 stops31h 45m

Tamuning Guam Intl

Sat 4/4

5:00 pm-10:31 pm

2 stops44h 31m

$2,033

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Sun 4/19

6:00 am-6:05 pm

2 stops21h 05m

Tamuning Guam Intl

Sat 4/25

7:30 pm-10:56 pm

2 stops42h 26m

$2,041

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Tue 1/20

2:50 pm-11:05 pm

2 stops40h 15m

Tamuning Guam Intl

Tue 1/27

1:00 am-9:43 pm

2 stops36h 43m

$2,078

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Mon 2/16

5:25 am-11:05 pm

2 stops25h 40m

Tamuning Guam Intl

Fri 2/27

4:50 pm-8:44 pm

2 stops43h 54m

$2,128

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Sat 3/28

12:15 pm-4:25 am

1 stop25h 10m

Tamuning Guam Intl

Sat 4/4

7:05 am-12:57 pm

2 stops20h 52m

$2,144

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Sat 3/28

2:59 pm-3:15 pm

2 stops33h 16m

Tamuning Guam Intl

Sat 4/4

5:00 pm-11:52 pm

2 stops45h 52m

$2,206

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Mon 2/9

5:40 am-7:05 pm

2 stops21h 25m

Tamuning Guam Intl

Mon 2/16

7:40 am-1:14 pm

2 stops21h 34m

$2,228

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/30

Showing 1-10 of 31 results

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

No data available for this route at this time. Please check back soon.

Related info for your journey

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.
How long is the flight from Illinois to Tamuning?
A quick flight from Illinois to Tamuning can take about 21h 16m. United Airlines provides one of the quickest options available for as low as $1,918. There are 7345 mi between Illinois and Tamuning. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the most popular routes from Illinois to Tamuning?
Most travelers choose Chicago O'Hare Intl - Tamuning Guam Intl, Lambert-St Louis - Tamuning Guam Intl or Chicago Midway - 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Illinois to Tamuning

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,967	Average$2,227	FlexibilityNo cancel fee	On-time69%

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$1,602+ Cheap flights from Illinois to Tamuning (GUM)

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Illinois to Tamuning

Cheapest flights from Illinois to TamuningExplore 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 December 30, 2025.

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 December 30, 2025.

Find flight deals from Illinois to Tamuning

Keep the following information in mind while searching for Illinois to Tamuning flight deals. Data was last updated December 30, 2025.

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Most trusted provider

Round-trip from

One-way from

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Use the filters below to find and compare flights from Illinois to Tamuning that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Tamuning

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?

How long is the flight from Illinois to Tamuning?

What are the most popular routes from Illinois to Tamuning?

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

How can I find direct flights from Illinois to Tamuning?

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

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Alternative routes for Illinois to Tamuning

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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 December 30, 2025.