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Tongatapu

$1,179+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TBU
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
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 November 18, 2025.

Round-trip from

$1,223
(Fiji Airways)
From Illinois to Tongatapu
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Find flight deals from Illinois to Tongatapu

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 November 18, 2025.

This Fiji Airways deal was found by Cheapflights users on 11/15. 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.
Tue 4/286:45 pmORD - TBU
2 stops37h 00mFiji Airways
Sat 5/24:55 pmTBU - ORD
2 stops22h 21mFiji Airways
Deal found 11/15$1,179
This Fiji Airways deal was found by Cheapflights users on 11/16. 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 4/186:45 pmORD - TBU
2 stops36h 20mFiji Airways
Tue 4/215:00 amTBU - ORD
2 stops34h 16mFiji Airways
Deal found 11/16$1,223
This Trip.com deal was found by Cheapflights users on 11/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/27:00 amORD - TBU
3 stops56h 35mMultiple Airlines
Fri 1/94:00 pmTBU - ORD
3 stops38h 35mMultiple Airlines
Deal found 11/18$2,584
This KAYAK deal was found by Cheapflights users on 11/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/210:10 pmORD - TBU
2 stops51h 10mAir New Zealand
Fri 1/99:35 pmTBU - ORD
2 stops41h 50mAir New Zealand
Deal found 11/18$3,246

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 November 18, 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

Tue 4/28

6:45 pm-1:45 am

2 stops37h 00m

Nuku‘alofa Fua'Amotu Intl

Sat 5/2

4:55 pm-9:16 pm

2 stops22h 21m

$1,179

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Sat 4/18

6:45 pm-1:05 am

2 stops36h 20m

Nuku‘alofa Fua'Amotu Intl

Tue 4/21

5:00 am-9:16 pm

2 stops34h 16m

$1,223

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Fri 1/2

7:00 am-10:35 am

3 stops56h 35m

Nuku‘alofa Fua'Amotu Intl

Fri 1/9

4:00 pm-11:35 am

3 stops38h 35m

$2,584

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Fri 1/2

10:10 pm-8:20 pm

2 stops51h 10m

Nuku‘alofa Fua'Amotu Intl

Fri 1/9

9:35 pm-8:25 pm

2 stops41h 50m

$3,246

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/15

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 37h. Fly via Fiji Airways or Air New Zealand to get the fastest option. There are 7047 mi between Illinois and Tongatapu. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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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