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Tongatapu

$1,261+ Cheap flights from Illinois to Tongatapu

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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TBU
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 September 16, 2025.

Round-trip from

$1,261
(Fiji Airways)
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 September 16, 2025.

This Fiji Airways deal was found by Cheapflights users on 9/13. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/273:59 pmSTL - TBU
2 stops24h 36mFiji Airways
Tue 9/3011:20 amTBU - STL
2 stops26h 55mFiji Airways
Deal found 9/13$1,579

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Tongatapu 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 September 16, 2025.
Use the filters below to find and compare flights from Illinois to Tongatapu that are best for you.

Fly from

Illinois

Fly to

Tongatapu

Route

Depart

Return

Price

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Sat 1/24

4:45 pm-10:35 am

2 stops22h 50m

Nuku‘alofa Fua'Amotu Intl

Sat 1/31

4:25 pm-7:20 pm

2 stops21h 55m

$1,261

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Tue 1/20

4:45 pm-12:30 am

2 stops36h 45m

Nuku‘alofa Fua'Amotu Intl

Sat 1/31

4:25 pm-7:20 pm

2 stops21h 55m

$1,302

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Mon 1/19

5:40 pm-9:30 am

2 stops20h 50m

Nuku‘alofa Fua'Amotu Intl

Sat 1/31

4:25 pm-7:20 pm

2 stops21h 55m

$1,302

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Sun 1/18

5:40 pm-1:05 am

2 stops36h 25m

Nuku‘alofa Fua'Amotu Intl

Sat 1/31

4:25 pm-7:20 pm

2 stops21h 55m

$1,312

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Wed 1/21

5:40 pm-3:25 pm

2 stops26h 45m

Nuku‘alofa Fua'Amotu Intl

Sat 1/31

4:25 pm-7:20 pm

2 stops21h 55m

$1,352

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Wed 1/21

8:05 am-3:25 pm

2 stops36h 20m

Nuku‘alofa Fua'Amotu Intl

Wed 1/28

10:30 am-12:09 pm

2 stops44h 39m

$1,393

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Sat 1/24

4:45 pm-10:35 am

2 stops22h 50m

Nuku‘alofa Fua'Amotu Intl

Tue 1/27

11:20 am-7:20 pm

2 stops27h 00m

$1,450

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Sat 1/24

4:45 pm-10:35 am

2 stops22h 50m

Nuku‘alofa Fua'Amotu Intl

Thu 1/29

4:25 pm-7:20 pm

2 stops21h 55m

$1,489

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Mon 1/19

5:40 pm-9:30 am

2 stops20h 50m

Nuku‘alofa Fua'Amotu Intl

Tue 1/27

11:20 am-7:20 pm

2 stops27h 00m

$1,491

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Sun 1/18

5:40 pm-10:35 am

2 stops21h 55m

Nuku‘alofa Fua'Amotu Intl

Tue 1/27

11:20 am-7:20 pm

2 stops27h 00m

$1,501

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 12 results
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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
No data available for this route at this time. Please check back soon.

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?

    There are many flights that can get you from Illinois to Tongatapu in 22h 50m. 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.

See more FAQs

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