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Cheap flights from Illinois to Tonga from $1,112

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Tonga departing on 8/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Illinois to Tonga

Cheap round-trip flights

Enter your travel dates to find the best prices.
Fiji Airways Logo
5:50 pm - 1:45 am
ORD
-
TBU
37h 55m
2 stops
Fiji Airways Logo
5:40 am - 9:02 pm
TBU
-
ORD
33h 22m
2 stops
$1,112Fiji Airways
Tue, Aug 25 - Sat, Aug 29
Fiji Airways Logo
5:50 pm - 1:45 am
ORD
-
TBU
37h 55m
2 stops
Fiji Airways Logo
5:40 am - 9:02 pm
TBU
-
ORD
33h 22m
2 stops
$1,164Fiji Airways
Tue, Aug 25 - Sat, Aug 29
Fiji Airways Logo
6:28 pm - 1:45 am
ORD
-
TBU
37h 17m
2 stops
Fiji Airways Logo
5:40 am - 9:02 pm
TBU
-
ORD
33h 22m
2 stops
$1,263Fiji Airways
Tue, Aug 4 - Sat, Aug 8
Fiji Airways Logo
6:28 pm - 1:45 am
ORD
-
TBU
37h 17m
2 stops
Fiji Airways Logo
5:40 am - 9:02 pm
TBU
-
ORD
33h 22m
2 stops
$1,477Fiji Airways
Tue, Aug 4 - Sat, Aug 8
Fiji Airways Logo
5:05 pm - 3:55 pm
ORD
-
TBU
28h 50m
2 stops
Fiji Airways Logo
4:55 pm - 9:00 pm
TBU
-
ORD
22h 05m
2 stops
$1,763Fiji Airways
Wed, May 27 - Sat, Jun 27
Fiji Airways Logo
5:05 pm - 3:55 pm
ORD
-
TBU
28h 50m
2 stops
Fiji Airways Logo
4:55 pm - 9:00 pm
TBU
-
ORD
22h 05m
2 stops
$1,793Fiji Airways
Wed, May 27 - Thu, Jun 25
Fiji Airways Logo
6:02 pm - 3:55 pm
ORD
-
TBU
27h 53m
2 stops
Fiji Airways Logo
10:55 am - 9:00 pm
TBU
-
ORD
28h 05m
2 stops
$1,794Fiji Airways
Thu, May 28 - Tue, Jun 23
Fiji Airways Logo
6:02 pm - 3:55 pm
ORD
-
TBU
27h 53m
2 stops
Fiji Airways Logo
4:55 pm - 9:00 pm
TBU
-
ORD
22h 05m
2 stops
$1,859Fiji Airways
Thu, May 28 - Thu, Jun 25
Fiji Airways Logo
5:05 pm - 3:55 pm
ORD
-
TBU
28h 50m
2 stops
Fiji Airways Logo
5:40 am - 5:39 am
TBU
-
ORD
41h 59m
2 stops
$1,952Fiji Airways
Wed, May 27 - Fri, Jun 26
Fiji Airways Logo
6:59 pm - 10:35 am
ORD
-
TBU
21h 36m
2 stops
Fiji Airways Logo
4:55 pm - 9:00 pm
TBU
-
ORD
22h 05m
2 stops
$2,004Fiji Airways
Tue, May 26 - Thu, Jun 25

Fiji Airways flights from Illinois to Tonga

Our best Fiji Airways deals on Illinois to Tonga flight tickets
Fiji Airways
Aug 25
ORD5:50 pmChicago O'Hare Intl
37h 55m
2 stops
TBU1:45 amNuku‘alofa Fua'Amotu Intl
Aug 29
TBU5:40 amNuku‘alofa Fua'Amotu Intl
33h 22m
2 stops
ORD9:02 pmChicago O'Hare Intl
$1,112
Fiji Airways
Aug 25
ORD5:50 pmChicago O'Hare Intl
37h 55m
2 stops
TBU1:45 amNuku‘alofa Fua'Amotu Intl
Aug 29
TBU5:40 amNuku‘alofa Fua'Amotu Intl
33h 22m
2 stops
ORD9:02 pmChicago O'Hare Intl
$1,164
Fiji Airways
Aug 4
ORD6:28 pmChicago O'Hare Intl
37h 17m
2 stops
TBU1:45 amNuku‘alofa Fua'Amotu Intl
Aug 8
TBU5:40 amNuku‘alofa Fua'Amotu Intl
33h 22m
2 stops
ORD9:02 pmChicago O'Hare Intl
$1,263

Air New Zealand flights from Illinois to Tonga

Our best Air New Zealand deals on Illinois to Tonga flight tickets
Air New Zealand
May 22
ORD9:36 pmChicago O'Hare Intl
43h 09m
2 stops
TBU10:45 amNuku‘alofa Fua'Amotu Intl
Jun 23
TBU11:55 amNuku‘alofa Fua'Amotu Intl
37h 21m
2 stops
ORD7:16 amChicago O'Hare Intl
$2,600
Air New Zealand
May 22
ORD9:36 pmChicago O'Hare Intl
43h 09m
2 stops
TBU10:45 amNuku‘alofa Fua'Amotu Intl
Jun 26
TBU10:40 pmNuku‘alofa Fua'Amotu Intl
48h 11m
2 stops
ORD4:51 amChicago O'Hare Intl
$2,667
Air New Zealand
May 22
ORD9:36 pmChicago O'Hare Intl
43h 09m
2 stops
TBU10:45 amNuku‘alofa Fua'Amotu Intl
Jun 27
TBU11:55 amNuku‘alofa Fua'Amotu Intl
27h 45m
2 stops
ORD9:40 pmChicago O'Hare Intl
$2,743

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Tonga 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, momondo users made 832,500 searches. Data last updated May 17, 2026.
Use the filters below to find and compare flights from Illinois to Tonga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Tue 8/25

5:50 pm-1:45 am

2 stops37h 55m

Nuku‘alofa Fua'Amotu Intl

Sat 8/29

5:40 am-9:02 pm

2 stops33h 22m

$1,112

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Tue 8/25

5:50 pm-1:45 am

2 stops37h 55m

Nuku‘alofa Fua'Amotu Intl

Sat 8/29

5:40 am-9:02 pm

2 stops33h 22m

$1,164

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Tue 8/4

6:28 pm-1:45 am

2 stops37h 17m

Nuku‘alofa Fua'Amotu Intl

Sat 8/8

5:40 am-9:02 pm

2 stops33h 22m

$1,263

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Tue 8/4

6:28 pm-1:45 am

2 stops37h 17m

Nuku‘alofa Fua'Amotu Intl

Sat 8/8

5:40 am-9:02 pm

2 stops33h 22m

$1,477

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Wed 5/27

5:05 pm-3:55 pm

2 stops28h 50m

Nuku‘alofa Fua'Amotu Intl

Sat 6/27

4:55 pm-9:00 pm

2 stops22h 05m

$1,763

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Wed 5/27

5:05 pm-3:55 pm

2 stops28h 50m

Nuku‘alofa Fua'Amotu Intl

Thu 6/25

4:55 pm-9:00 pm

2 stops22h 05m

$1,793

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Thu 5/28

6:02 pm-3:55 pm

2 stops27h 53m

Nuku‘alofa Fua'Amotu Intl

Tue 6/23

10:55 am-9:00 pm

2 stops28h 05m

$1,794

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Thu 5/28

6:02 pm-3:55 pm

2 stops27h 53m

Nuku‘alofa Fua'Amotu Intl

Thu 6/25

4:55 pm-9:00 pm

2 stops22h 05m

$1,859

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Wed 5/27

5:05 pm-3:55 pm

2 stops28h 50m

Nuku‘alofa Fua'Amotu Intl

Fri 6/26

5:40 am-5:39 am

2 stops41h 59m

$1,952
Quickest round-trip

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Tue 5/26

6:59 pm-10:35 am

2 stops21h 36m

Nuku‘alofa Fua'Amotu Intl

Thu 6/25

4:55 pm-9:00 pm

2 stops22h 05m

$2,004

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Illinois to Tonga flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Tonga

Fastest flight time

30h 55m

Direct flights

None
The fastest flight from Illinois to Tonga takes 30h 55m
There are no direct flights from Illinois to Tonga. There are no popular flight routes from Illinois to Tonga.
Search flight deals

Frequently asked questions about flying from Illinois to Tonga

  • When did momondo last update prices for flights from Illinois to Tonga?

    Prices for flights from Illinois to Tonga are updated daily.

  • How old do you have to be to fly from Illinois to Tonga?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Tonga.

  • What documentation or ID do you need to fly to Tonga?

    The required travel and health documents for your Tonga trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Tonga. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Illinois to Tonga

  • How do I get Price Alerts for flights from Illinois to Tonga?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Illinois from Tonga. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Illinois to Tonga with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Tonga?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Tonga. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Illinois to Tonga with flexible booking policies on momondo?

momondo does allow users to show only those flights to Tonga from Illinois which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Illinois to Tonga?

momondo helps you find the best flight between Illinois and Tonga by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Illinois to Tonga right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Illinois to Tonga flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Popular cities in Tonga

Popular flights according to clicks in the last 7 days on momondo
Flights to Nuku‘alofafrom $1,001