How long is the flight from Illinois to Tongatapu?

There are many flights that can get you from Illinois to Tongatapu in 22h 05m. Fly via Fiji Airways to get the fastest option. There are 7047 mi between Illinois and Tongatapu.

In terms of precipitation, rainfall in Tongatapu ranges from 3.7 - 8.3 inches per month. February is typically the wettest month, when rainfall can reach 8.3 in. June is typically the driest time to visit Tongatapu when rainfall is around 3.7 in.

If weather is an important factor for your trip to Tongatapu, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 71.6 F).

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

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

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

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

How can I find direct flights from Illinois to Tongatapu?

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

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

Yes. Cheapflights offers flight deals from Illinois to Tongatapu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$720+ Cheap Flights from Illinois to Tongatapu

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Cheap flight deals from Illinois to Tongatapu

Round-trip from	$1,199 (Jetabroad)
One-way from	$720 (Fiji Airways)

From Illinois to Tongatapu

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One-way flight from Illinois to Tongatapu

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Find flight deals from Illinois to Tongatapu

Cheapest flights from Illinois to Tongatapu
Explore the most affordable flight options available from Illinois to Tongatapu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 20, 2025.

sáb. 10/46:30 pmORD - TBU

2 stops22h 05mFiji Airways

sáb. 10/114:25 pmTBU - ORD

2 stops22h 49mFiji Airways

Deal found 8/20

$1,199

sáb. 10/47:09 pmORD - TBU

2 stops21h 26mMultiple Airlines

sáb. 10/114:25 pmTBU - ORD

3 stops31h 00mMultiple Airlines

Deal found 8/20

$1,558

sáb. 8/235:52 pmSTL - TBU

2 stops37h 13mFiji Airways

mar. 8/266:20 pmTBU - STL

2 stops20h 02mFiji Airways

Deal found 8/17

$1,601

Best flights from Illinois to Tongatapu
Discover carefully curated flight deals from Illinois to Tongatapu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated agosto 20, 2025.

sáb. 10/46:30 pmORD - TBU

2 stops22h 05mFiji Airways

sáb. 10/114:25 pmTBU - ORD

2 stops22h 49mFiji Airways

Deal found 8/20

$1,199

sáb. 10/47:09 pmORD - TBU

2 stops21h 26mMultiple Airlines

sáb. 10/114:25 pmTBU - ORD

3 stops31h 00mMultiple Airlines

Deal found 8/20

$1,558

Last-minute flights from Illinois to Tongatapu
Discover last-minute flight deals from Illinois to Tongatapu. Data last updated agosto 20, 2025 and is based on user searches.

sáb. 8/235:52 pmSTL - TBU

2 stops37h 13mFiji Airways

mar. 8/266:20 pmTBU - STL

2 stops20h 02mFiji Airways

Deal found 8/17

$1,601

One-way flights from Illinois to Tongatapu
Search for one-way flight options from Illinois to Tongatapu. Find affordable one-way fares based on user searches. Data last updated agosto 20, 2025.

lun. 10/137:01 pmORD - TBU

2 stops20h 24mMultiple Airlines

Deal found 8/18

$720

Fly from

Fly to

Route

Depart

Return

Price

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

sáb. 10/4

6:30 pm-10:35 am

2 stops22h 05m

Nuku‘alofa Fua'Amotu Intl

sáb. 10/11

4:25 pm-9:14 pm

2 stops22h 49m

$1,199

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

sáb. 10/4

7:09 pm-10:35 am

2 stops21h 26m

Nuku‘alofa Fua'Amotu Intl

sáb. 10/11

4:25 pm-5:25 am

3 stops31h 00m

$1,558

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

lun. 10/13

7:01 pm-9:25 am

2 stops20h 24m

$720

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Best time to book a flight from Illinois to Tongatapu

Have a flexible travel schedule? Discover the best time to fly to Tongatapu 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 Tongatapu

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Related info for your journey

How long is the flight from Illinois to Tongatapu?
There are many flights that can get you from Illinois to Tongatapu in 22h 05m. Fly via Fiji Airways to get the fastest option. There are 7047 mi between Illinois and Tongatapu.
Can I find deals for flights from Illinois to Tongatapu that include hotel bookings?
Yes. In addition to deals on Illinois to Tongatapu flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois to Tongatapu?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Tongatapu.
Can I find deals for business class flights from Illinois to Tongatapu?
Yes. Cheapflights offers flight deals from Illinois to Tongatapu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$720+ Cheap flights from Illinois to Tongatapu

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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Tongatapu 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 Tongatapu

Keep the following information in mind while searching for Illinois to Tongatapu flight deals. Data was last updated agosto 20, 2025.

Round-trip from

One-way from

Find flight deals from Illinois to Tongatapu

Cheapest flights from Illinois to TongatapuExplore the most affordable flight options available from Illinois to Tongatapu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 20, 2025.

Explore the most affordable flight options available from Illinois to Tongatapu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 20, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Illinois to Tongatapu

Have a flexible travel schedule? Discover the best time to fly to Tongatapu from Illinois with our price prediction graph.

Cheapflights Insights

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

Related info for your journey

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

How long is the flight from Illinois to Tongatapu?

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

How can I find direct flights from Illinois to Tongatapu?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Illinois to Tongatapu

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Cheapest flights from Illinois to Tongatapu
Explore the most affordable flight options available from Illinois to Tongatapu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 20, 2025.