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Cheap flights from Illinois to Tacna from $693

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 Tacna departing on 2/4. 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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Find the cheapest flights from Illinois to Tacna

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
11:15 am - 3:50 pmORD-TCQ
27h 35m2 stops
LATAM Airlines Logo
9:25 pm - 11:56 pmTCQ-ORD
27h 31m2 stops
$693LATAM Airlines
Find Deal
Wed, Feb 4 - Sat, Feb 7
LATAM Airlines Logo
3:35 pm - 12:25 pmORD-TCQ
20h 50m2 stops
LATAM Airlines Logo
4:20 pm - 12:41 pmTCQ-ORD
20h 21m2 stops
$1,006LATAM Airlines
Find Deal
Tue, Apr 14 - Fri, Apr 17
LATAM Airlines Logo
3:35 pm - 10:50 amORD-TCQ
19h 15m2 stops
LATAM Airlines Logo
7:00 pm - 12:41 pmTCQ-ORD
17h 41m2 stops
$1,160LATAM Airlines
Find Deal
Tue, Apr 14 - Fri, Apr 17
Aeromexico Logo
1:57 am - 8:40 pmORD-TCQ
18h 43m2 stops
Aeromexico Logo
7:00 pm - 2:10 pmTCQ-ORD
19h 10m2 stops
$1,451Aeromexico
Find Deal
Mon, Apr 13 - Fri, Apr 17
Aeromexico Logo
1:57 am - 8:40 pmORD-TCQ
18h 43m2 stops
Aeromexico Logo
7:00 pm - 2:10 pmTCQ-ORD
19h 10m2 stops
$1,813Aeromexico
Find Deal
Mon, Apr 13 - Fri, Apr 17

Aeromexico flights from Illinois to Tacna

Our best Aeromexico deals on Illinois to Tacna flight tickets
Aeromexico
Apr 13
ORD1:57 amChicago O'Hare Intl
18h 43m
2 stops
TCQ8:40 pmTacna
Apr 17
TCQ7:00 pmTacna
19h 10m
2 stops
ORD2:10 pmChicago O'Hare Intl
$1,451
Find similar
Aeromexico
Apr 13
ORD1:57 amChicago O'Hare Intl
18h 43m
2 stops
TCQ8:40 pmTacna
Apr 17
TCQ7:00 pmTacna
19h 10m
2 stops
ORD2:10 pmChicago O'Hare Intl
$1,813
Find similar

LATAM Airlines flights from Illinois to Tacna

Our best LATAM Airlines deals on Illinois to Tacna flight tickets
LATAM Airlines
Feb 4
ORD11:15 amChicago O'Hare Intl
27h 35m
2 stops
TCQ3:50 pmTacna
Feb 7
TCQ9:25 pmTacna
27h 31m
2 stops
ORD11:56 pmChicago O'Hare Intl
$693
Find similar
LATAM Airlines
Apr 14
ORD3:35 pmChicago O'Hare Intl
20h 50m
2 stops
TCQ12:25 pmTacna
Apr 17
TCQ4:20 pmTacna
20h 21m
2 stops
ORD12:41 pmChicago O'Hare Intl
$1,006
Find similar
LATAM Airlines
Apr 14
ORD3:35 pmChicago O'Hare Intl
19h 15m
2 stops
TCQ10:50 amTacna
Apr 17
TCQ7:00 pmTacna
17h 41m
2 stops
ORD12:41 pmChicago O'Hare Intl
$1,160
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Tacna 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 November 20, 2025.
Use the filters below to find and compare flights from Illinois to Tacna that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoTacna

ORD - TCQ

ORDTCQ

Chicago O'Hare Intl

Wed 2/4

11:15 am-3:50 pm

2 stops27h 35m

Tacna

Sat 2/7

9:25 pm-11:56 pm

2 stops27h 31m

$693

ChicagoTacna

ORD - TCQ

ORDTCQ

Chicago O'Hare Intl

Tue 4/14

3:35 pm-12:25 pm

2 stops20h 50m

Tacna

Fri 4/17

4:20 pm-12:41 pm

2 stops20h 21m

$1,006

ChicagoTacna

ORD - TCQ

ORDTCQ

Chicago O'Hare Intl

Tue 4/14

3:35 pm-10:50 am

2 stops19h 15m

Tacna

Fri 4/17

7:00 pm-12:41 pm

2 stops17h 41m

$1,160

ChicagoTacna

ORD - TCQ

ORDTCQ

Chicago O'Hare Intl

Mon 4/13

1:57 am-8:40 pm

2 stops18h 43m

Tacna

Fri 4/17

7:00 pm-2:10 pm

2 stops19h 10m

$1,451

ChicagoTacna

ORD - TCQ

ORDTCQ

Chicago O'Hare Intl

Mon 4/13

1:57 am-8:40 pm

2 stops18h 43m

Tacna

Fri 4/17

7:00 pm-2:10 pm

2 stops19h 10m

$1,813

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Illinois to Tacna flight deals and tips

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

Direct flights

None
There are no direct flights from Illinois to Tacna. There are no popular flight routes from Illinois to Tacna.
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  • When did momondo last update prices for flights from Illinois to Tacna Airport?

    Prices for flights from Illinois to Tacna Airport refresh daily.

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

    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 Tacna Airport.

  • What documentation or ID do you need to fly to Tacna Airport?

    The required travel and health documents for your Tacna Airport 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 Tacna Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Illinois from Tacna. 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 Tacna 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 Tacna?

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

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

Yes. All flights to Tacna from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Illinois and Tacna 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 Tacna right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Tacna, momondo offers a useful price alert feature which will track prices for flights to Tacna from Illinois and alert you when they change.

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