What is the cheapest month to book a flight from Illinois to Guam?

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

What is the cheapest month to fly from Illinois to Guam?

Flights from Illinois to Guam lean towards being more expensive in July. Prices are generally better when you fly from Illinois to Guam in May, with the cheapest ticket starting at $1,287.

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

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

How can I find direct flights from Illinois to Guam?

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

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

Yes. Cheapflights offers flight deals from Illinois 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.

$2,075+ Flights from Illinois to Guam

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Cheap flight deals from Illinois to Guam

Round-trip from	$1,916 (United Airlines)
One-way from	$1,601 (Delta)

From Illinois to Guam

Search Deals

One-way flight from Illinois to Guam

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Find flight deals from Illinois to Guam

Cheapest flights from Illinois to Guam
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 December 22, 2024.

Wed 12/259:05 pmORD - GUM

2 stops29h 55mUnited Airlines

Sun 1/57:25 amGUM - ORD

2 stops38h 48mUnited Airlines

Deal found 12/22

$3,178

Best flights from Illinois to Guam
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 December 22, 2024.

Mon 3/106:15 amORD - GUM

2 stops21h 35mUnited Airlines

Mon 3/247:25 amGUM - ORD

2 stops20h 38mUnited Airlines

Deal found 12/21

$1,916

Thu 3/65:45 amORD - GUM

2 stops40h 50mDelta

Thu 3/204:50 pmGUM - ORD

2 stops34h 50mDelta

Deal found 12/21

$1,981

Mon 5/56:15 amSTL - GUM

2 stops21h 00mUnited Airlines

Tue 5/137:00 amGUM - STL

2 stops29h 52mUnited Airlines

Deal found 12/21

$1,916

Tue 2/412:44 pmMDW - GUM

2 stops33h 51mDelta

Tue 2/114:50 pmGUM - MDW

2 stops36h 15mDelta

Deal found 12/21

$2,076

Fri 1/176:00 amSTL - GUM

2 stops40h 35mDelta

Sat 4/265:00 pmGUM - STL

2 stops43h 33mDelta

Deal found 12/21

$2,151

Last-minute flights from Illinois to Guam
Discover last-minute flight deals from Illinois to Guam. Data last updated December 22, 2024 and is based on user searches.

Fri 1/176:00 amSTL - GUM

2 stops40h 35mDelta

Sat 4/265:00 pmGUM - STL

2 stops43h 33mDelta

Deal found 12/21

$2,151

Sat 1/187:15 amORD - GUM

2 stops39h 20mDelta

Sat 1/254:50 pmGUM - ORD

2 stops47h 21mDelta

Deal found 12/21

$2,198

Mon 1/205:45 amORD - GUM

2 stops21h 20mUnited Airlines

Mon 1/277:25 amGUM - ORD

2 stops21h 24mUnited Airlines

Deal found 12/21

$2,226

Mon 1/206:00 amMDW - GUM

2 stops40h 35mDelta

Mon 1/274:50 pmGUM - MDW

2 stops45h 30mDelta

Deal found 12/21

$2,793

Mon 1/276:15 amSTL - GUM

2 stops20h 50mUnited Airlines

Mon 2/107:25 amGUM - STL

2 stops23h 12mUnited Airlines

Deal found 12/21

$2,226

One-way flights from Illinois to Guam
Search for one-way flight options from Illinois to Guam. Find affordable one-way fares based on user searches. Data last updated December 22, 2024.

Mon 1/206:15 amORD - GUM

2 stops40h 20mDelta

Deal found 12/21

$1,601

Mon 1/201:10 pmORD - GUM

1 stop23h 15mUnited Airlines

Deal found 12/21

$1,727

Find flights from Illinois to Guam within your budget

Fly from

Fly to

Route

Depart

Return

Price

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Mon 3/10

6:15 am-6:50 pm

2 stops21h 35m

Tamuning Guam Intl

Mon 3/24

7:25 am-1:03 pm

2 stops20h 38m

$1,916

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Mon 5/5

6:15 am-6:15 pm

2 stops21h 00m

Tamuning Guam Intl

Tue 5/13

7:00 am-9:52 pm

2 stops29h 52m

$1,916

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Thu 3/6

5:45 am-2:35 pm

2 stops40h 50m

Tamuning Guam Intl

Thu 3/20

4:50 pm-12:40 pm

2 stops34h 50m

$1,981

ChicagoTamuning

MDW - GUM

MDWGUM

Chicago Midway

Tue 2/4

12:44 pm-2:35 pm

2 stops33h 51m

Tamuning Guam Intl

Tue 2/11

4:50 pm-1:05 pm

2 stops36h 15m

$2,076

St. LouisTamuning

STL - GUM

STLGUM

Lambert-St Louis

Fri 1/17

6:00 am-2:35 pm

2 stops40h 35m

Tamuning Guam Intl

Sat 4/26

5:00 pm-9:33 pm

2 stops43h 33m

$2,151

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Mon 1/20

6:15 am-2:35 pm

2 stops40h 20m

$1,601

ChicagoTamuning

ORD - GUM

ORDGUM

Chicago O'Hare Intl

Mon 1/20

1:10 pm-4:25 am

1 stop23h 15m

$1,727

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

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.

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.

Travel insights for flights from Illinois to Guam

Get recent, data-driven insights about flights from Illinois to Guam including ideal travel times, pricing trends, and more.

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

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

Rainfall in Guam by month

In terms of precipitation, rainfall in Guam 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 Guam when rainfall is around 2.6 in.

Temperature in Guam by month

If weather is an important factor for your trip to Guam, 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 Guam

Delta

8.0

Very good

8,594 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

8,594 reviews

Delta

8.0

Very good

8,594 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

9,028 reviews

Delta

8.0

Very good

8,594 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Can I find deals for flights from Illinois to Guam that include hotel bookings?
Yes. In addition to deals on Illinois to Guam flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois to Guam?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Guam.
Can I find deals for business class flights from Illinois to Guam?
Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Guam?
Currently, January is the cheapest month in which you can book a flight from Illinois to Guam (average of $1,977). Flying from Illinois 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Illinois to Guam

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,542	Average$2,084	FlexibilityNo cancel fee	On-time69%

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$1,601+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Guam with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Illinois to Guam

Round-trip from

One-way from

Find flight deals from Illinois to Guam

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 December 22, 2024.

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 December 22, 2024.

Find flights from Illinois to Guam within your budget

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.

Travel insights for flights from Illinois to Guam

Get recent, data-driven insights about flights from Illinois to Guam including ideal travel times, pricing trends, and more.

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

Find hourly flight availability from Illinois 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 December 22, 2024.

Rainfall in Guam by month

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

Temperature in Guam by month

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

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 December 22, 2024.

Related info for your journey

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

How can I find direct flights from Illinois to Guam?

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

What is the cheapest month to book a flight from Illinois to Guam?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Guam

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Illinois to Guam

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Illinois to Guam
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 December 22, 2024.