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Cheap flights from Illinois to Tonga from $647

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Tonga departing on 8/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Illinois to Tonga

Cheap round-trip flights

Enter your travel dates to find the best prices.
Fiji Airways Logo
6:28 pm - 3:55 pm
ORD
-
TBU
27h 27m
2 stops
Fiji Airways Logo
5:40 am - 9:22 pm
TBU
-
ORD
33h 42m
2 stops
$1,308Fiji Airways
Tue, Jul 21 - Sat, Jul 25
Fiji Airways Logo
6:28 pm - 3:55 pm
ORD
-
TBU
27h 27m
2 stops
Fiji Airways Logo
5:40 am - 9:22 pm
TBU
-
ORD
33h 42m
2 stops
$1,408Fiji Airways
Tue, Jul 21 - Sat, Jul 25
Fiji Airways Logo
6:28 pm - 3:55 pm
ORD
-
TBU
27h 27m
2 stops
Fiji Airways Logo
5:40 am - 9:22 pm
TBU
-
ORD
33h 42m
2 stops
$1,421Fiji Airways
Tue, Jul 21 - Sat, Jul 25
Multiple Airlines Logo
9:05 pm - 1:45 am
ORD
-
TBU
58h 40m
2 stops
Multiple Airlines Logo
5:40 am - 11:30 pm
TBU
-
ORD
35h 50m
2 stops
$1,518Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
9:05 pm - 1:45 am
ORD
-
TBU
58h 40m
2 stops
Multiple Airlines Logo
5:40 am - 11:30 pm
TBU
-
ORD
35h 50m
2 stops
$1,519Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Fiji Airways Logo
6:28 pm - 1:45 am
ORD
-
TBU
37h 17m
2 stops
Fiji Airways Logo
5:40 am - 9:22 pm
TBU
-
ORD
33h 42m
2 stops
$1,658Fiji Airways
Tue, Jul 21 - Sat, Jul 25
Fiji Airways Logo
6:18 pm - 6:00 pm
ORD
-
TBU
29h 42m
2 stops
Fiji Airways Logo
5:40 am - 9:16 pm
TBU
-
ORD
33h 36m
2 stops
$1,755Fiji Airways
Sat, Aug 15 - Sat, Aug 22
Multiple Airlines Logo
7:20 pm - 10:45 am
ORD
-
TBU
45h 25m
3 stops
Multiple Airlines Logo
10:40 pm - 9:32 pm
TBU
-
ORD
40h 52m
2 stops
$2,503Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
7:20 pm - 10:45 am
ORD
-
TBU
45h 25m
3 stops
Multiple Airlines Logo
10:40 pm - 9:32 pm
TBU
-
ORD
40h 52m
2 stops
$2,513Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
7:20 pm - 10:45 am
ORD
-
TBU
45h 25m
3 stops
Multiple Airlines Logo
10:40 pm - 11:05 pm
TBU
-
ORD
42h 25m
2 stops
$2,619Multiple Airlines
Fri, Aug 14 - Fri, Aug 21

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Fiji Airways flights from Illinois to Tonga

Our best Fiji Airways deals on Illinois to Tonga flight tickets
Fiji Airways
Jul 21
ORD6:28 pmChicago O'Hare Intl
27h 27m
2 stops
TBU3:55 pmNuku‘alofa Fua'Amotu Intl
Jul 25
TBU5:40 amNuku‘alofa Fua'Amotu Intl
33h 42m
2 stops
ORD9:22 pmChicago O'Hare Intl
$1,308
Fiji Airways
Jul 21
ORD6:28 pmChicago O'Hare Intl
27h 27m
2 stops
TBU3:55 pmNuku‘alofa Fua'Amotu Intl
Jul 25
TBU5:40 amNuku‘alofa Fua'Amotu Intl
33h 42m
2 stops
ORD9:22 pmChicago O'Hare Intl
$1,408
Fiji Airways
Jul 21
ORD6:28 pmChicago O'Hare Intl
27h 27m
2 stops
TBU3:55 pmNuku‘alofa Fua'Amotu Intl
Jul 25
TBU5:40 amNuku‘alofa Fua'Amotu Intl
33h 42m
2 stops
ORD9:22 pmChicago O'Hare Intl
$1,421

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 July 2, 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
Quickest round-trip

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Tue 7/21

6:28 pm-3:55 pm

2 stops27h 27m

Nuku‘alofa Fua'Amotu Intl

Sat 7/25

5:40 am-9:22 pm

2 stops33h 42m

$1,308

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Tue 7/21

6:28 pm-3:55 pm

2 stops27h 27m

Nuku‘alofa Fua'Amotu Intl

Sat 7/25

5:40 am-9:22 pm

2 stops33h 42m

$1,408

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Tue 7/21

6:28 pm-3:55 pm

2 stops27h 27m

Nuku‘alofa Fua'Amotu Intl

Sat 7/25

5:40 am-9:22 pm

2 stops33h 42m

$1,421

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Fri 8/14

9:05 pm-1:45 am

2 stops58h 40m

Nuku‘alofa Fua'Amotu Intl

Fri 8/21

5:40 am-11:30 pm

2 stops35h 50m

$1,518

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Fri 8/14

9:05 pm-1:45 am

2 stops58h 40m

Nuku‘alofa Fua'Amotu Intl

Fri 8/21

5:40 am-11:30 pm

2 stops35h 50m

$1,519

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Tue 7/21

6:28 pm-1:45 am

2 stops37h 17m

Nuku‘alofa Fua'Amotu Intl

Sat 7/25

5:40 am-9:22 pm

2 stops33h 42m

$1,658

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Sat 8/15

6:18 pm-6:00 pm

2 stops29h 42m

Nuku‘alofa Fua'Amotu Intl

Sat 8/22

5:40 am-9:16 pm

2 stops33h 36m

$1,755

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Fri 8/14

7:20 pm-10:45 am

3 stops45h 25m

Nuku‘alofa Fua'Amotu Intl

Fri 8/21

10:40 pm-9:32 pm

2 stops40h 52m

$2,503

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Fri 8/14

7:20 pm-10:45 am

3 stops45h 25m

Nuku‘alofa Fua'Amotu Intl

Fri 8/21

10:40 pm-9:32 pm

2 stops40h 52m

$2,513

ChicagoNuku‘alofa

ORD - TBU

ORDTBU

Chicago O'Hare Intl

Fri 8/14

7:20 pm-10:45 am

3 stops45h 25m

Nuku‘alofa Fua'Amotu Intl

Fri 8/21

10:40 pm-11:05 pm

2 stops42h 25m

$2,619

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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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

37h 17m

Direct flights

None
The fastest flight from Illinois to Tonga takes 37h 17m
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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Find better results for your trip to Tonga

Popular cities in Tonga

Popular flights according to clicks in the last 7 days on momondo
Flights to Nuku‘alofafrom $1,064