HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Tacna

$638+ Cheap flights from O'Hare Intl (ORD) to Tacna (TCQ)

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TCQ
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to Tacna with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from O'Hare Intl to Tacna

Cheapest flights from O'Hare Intl to Tacna
Explore the most affordable flight options available from O'Hare Intl to Tacna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This LATAM Airlines deal was found by Cheapflights users on 1/26. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/29:55 am
ORD
-
TCQ
2 stops23h 55m
LATAM Airlines
Thu 2/59:20 pm
TCQ
-
ORD
2 stops27h 36m
LATAM Airlines
Deal found 1/26$638
This LATAM Airlines deal was found by Cheapflights users on 1/28. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:19 am
ORD
-
TCQ
2 stops25h 06m
LATAM Airlines
Thu 5/79:20 pm
TCQ
-
ORD
2 stops36h 40m
LATAM Airlines
Deal found 1/28$692
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/109:23 am
ORD
-
TCQ
3 stops30h 07m
Multiple Airlines
Fri 2/135:15 pm
TCQ
-
ORD
3 stops24h 48m
Multiple Airlines
Deal found 1/27$815

Find flight deals from O'Hare Intl to Tacna

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Tacna (TCQ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 29, 2026.

Round-trip from

$692
(LATAM Airlines)
From Chicago O'Hare Intl to Tacna
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Tacna that are best for you.

Fly from

O'Hare Intl

Fly to

Tacna

Route

Depart

Return

Price

ChicagoTacna

ORD - TCQ

ORDTCQ

Chicago O'Hare Intl

Tue 5/5

11:19 am-12:25 pm

2 stops25h 06m

Tacna

Thu 5/7

9:20 pm-10:00 am

2 stops36h 40m

$692

ChicagoTacna

ORD - TCQ

ORDTCQ

Chicago O'Hare Intl

Tue 2/10

9:23 am-4:30 pm

3 stops30h 07m

Tacna

Fri 2/13

5:15 pm-11:22 am

2 stops19h 07m

$818

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Best time to book a flight from O'Hare Intl to Tacna

Have a flexible travel schedule? Discover the best time to fly to Tacna from O'Hare Intl 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.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Tacna. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Tacna from Chicago O'Hare Intl?

    Most people fly into Tacna (TCQ) if they book a flight to Tacna from Chicago O'Hare Intl. On average, Tacna has 0 inbound flights from Chicago O'Hare Intl per day from 0 airlines. Tacna is conveniently located just 3.0 mi from Tacna’s city center.

  • How long is the flight from Chicago O'Hare Intl Airport to Tacna?

    LATAM Airlines can get you from Chicago O'Hare Intl Airport to Tacna in just under 25h 06m. Your travel time can differ by up to . The distance from Chicago O'Hare Intl Airport to Tacna is about 4295 mi.

  • Can I find deals for flights from O'Hare Intl to Tacna that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Tacna flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Tacna?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Tacna.

  • Can I find deals for business class flights from O'Hare Intl to Tacna?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Tacna 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.