Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Tacna from $638

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Tacna departing on 2/2. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Chicago O'Hare Intl Airport to Tacna

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
5:59 pm - 12:20 pm
ORD
-
TCQ
17h 21m2 stops
LATAM Airlines Logo
4:25 pm - 4:55 pm
TCQ
-
ORD
25h 30m2 stops
$638LATAM Airlines
Mon, Feb 2 - Thu, Feb 5
Multiple Airlines Logo
9:40 am - 3:50 pm
ORD
-
TCQ
53h 10m2 stops
Multiple Airlines Logo
4:25 pm - 7:45 pm
TCQ
-
ORD
52h 20m2 stops
$692Multiple Airlines
Sat, Jan 31 - Sat, Feb 7
LATAM Airlines Logo
2:50 pm - 3:50 pm
ORD
-
TCQ
24h 00m2 stops
LATAM Airlines Logo
12:55 pm - 5:45 pm
TCQ
-
ORD
29h 50m2 stops
$704LATAM Airlines
Mon, Feb 2 - Thu, Feb 5
Multiple Airlines Logo
5:15 am - 10:00 am
ORD
-
TCQ
28h 45m2 stops
Multiple Airlines Logo
5:15 pm - 7:48 pm
TCQ
-
ORD
26h 33m2 stops
$716Multiple Airlines
Fri, May 1 - Sat, May 9
Multiple Airlines Logo
5:30 am - 3:40 pm
ORD
-
TCQ
34h 10m3 stops
Multiple Airlines Logo
5:15 pm - 7:48 pm
TCQ
-
ORD
26h 33m2 stops
$745Multiple Airlines
Fri, May 1 - Sat, May 9
Multiple Airlines Logo
5:30 am - 3:40 pm
ORD
-
TCQ
34h 10m3 stops
Multiple Airlines Logo
5:15 pm - 2:41 pm
TCQ
-
ORD
21h 26m3 stops
$776Multiple Airlines
Fri, May 1 - Sat, May 9

LATAM Airlines flights from Chicago O'Hare Intl Airport to Tacna

Our best LATAM Airlines deals on Chicago O'Hare Intl Airport to Tacna flight tickets
LATAM Airlines
Feb 2
ORD11:15 amChicago O'Hare Intl
27h 35m
2 stops
TCQ3:50 pmTacna
Feb 5
TCQ4:25 pmTacna
26h 20m
2 stops
ORD5:45 pmChicago O'Hare Intl
$638
Find similar
LATAM Airlines
Feb 2
ORD2:50 pmChicago O'Hare Intl
24h 00m
2 stops
TCQ3:50 pmTacna
Feb 5
TCQ12:55 pmTacna
29h 50m
2 stops
ORD5:45 pmChicago O'Hare Intl
$704
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 December 18, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Tacna that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoTacna

ORD - TCQ

ORDTCQ

Chicago O'Hare Intl

Mon 2/2

5:59 pm-12:20 pm

2 stops17h 21m

Tacna

Thu 2/5

4:25 pm-4:55 pm

2 stops25h 30m

$638

ChicagoTacna

ORD - TCQ

ORDTCQ

Chicago O'Hare Intl

Sat 1/31

9:40 am-3:50 pm

2 stops53h 10m

Tacna

Sat 2/7

4:25 pm-7:45 pm

2 stops52h 20m

$692

ChicagoTacna

ORD - TCQ

ORDTCQ

Chicago O'Hare Intl

Mon 2/2

2:50 pm-3:50 pm

2 stops24h 00m

Tacna

Thu 2/5

12:55 pm-5:45 pm

2 stops29h 50m

$704

ChicagoTacna

ORD - TCQ

ORDTCQ

Chicago O'Hare Intl

Fri 5/1

5:15 am-10:00 am

2 stops28h 45m

Tacna

Sat 5/9

5:15 pm-7:48 pm

2 stops26h 33m

$716

ChicagoTacna

ORD - TCQ

ORDTCQ

Chicago O'Hare Intl

Fri 5/1

5:30 am-3:40 pm

3 stops34h 10m

Tacna

Sat 5/9

5:15 pm-7:48 pm

2 stops26h 33m

$745

ChicagoTacna

ORD - TCQ

ORDTCQ

Chicago O'Hare Intl

Fri 5/1

5:30 am-3:40 pm

3 stops34h 10m

Tacna

Sat 5/9

5:15 pm-2:41 pm

3 stops21h 26m

$776

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Chicago O'Hare Intl Airport to Tacna

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Tacna according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Tacna (ORD to TCQ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Tacna

Fastest flight time

27h 35m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Tacna takes 27h 35m
There are no direct flights from Chicago O'Hare Intl Airport to Tacna. There are no popular flight routes from Chicago O'Hare Intl Airport to Tacna.
Search flight deals

  • How far is Chicago O'Hare Intl to Tacna by plane?

    The distance between Chicago O'Hare Intl and Tacna is about 4292.7 mi. By plane, this route typically takes 27h 35m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Tacna Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Tacna Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport to Tacna Airport.

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

    The travel and health documents required for your trip to Tacna Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Tacna Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Tacna?

    Price Alerts will notify you by email when the price for flights to Tacna from Chicago O'Hare Intl Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Chicago O'Hare Intl Airport to Tacna with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Tacna?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Tacna from Chicago.

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

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

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

Once all potential Chicago to Tacna flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chicago 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 Chicago and alert you when they change.

An easier way to manage your Tacna trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 1/17
Sat 1/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Peru