HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$350+ Cheap flights from Algarve to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
FAO — ORD
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Algarve to O'Hare Intl 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 Algarve to O'Hare Intl

Keep the following information in mind while searching for Algarve to O'Hare Intl flight deals. Data was last updated September 19, 2025.

Round-trip from

$968
(Expedia)

One-way from

$350
(Kiwi.com)
From Algarve to Chicago O'Hare Intl
Search Deals
One-way flight from Algarve to Chicago O'Hare Intl
Search Deals

Find flight deals from Algarve to O'Hare Intl

Cheapest flights from Algarve to O'Hare Intl
Explore the most affordable flight options available from Algarve to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

This KLM deal was found by Cheapflights users on 9/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:30 amFAO - ORD
2 stops18h 45mKLM
Mon 9/294:40 pmORD - FAO
1 stop33h 20mKLM
Deal found 9/17$703
This Mytrip deal was found by Cheapflights users on 9/17. 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.
Thu 9/256:05 amFAO - ORD
1 stop12h 30mMultiple Airlines
Mon 9/2910:23 amORD - FAO
3 stops25h 32mMultiple Airlines
Deal found 9/17$924
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:10 pmFAO - ORD
2 stops28h 50mMultiple Airlines
Sat 12/273:50 pmORD - FAO
1 stop12h 40mMultiple Airlines
Deal found 9/17$968
This FlightHub deal was found by Cheapflights users on 9/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/111:40 amFAO - ORD
1 stop13h 20mAer Lingus
Wed 10/19:15 pmORD - FAO
1 stop31h 15mAer Lingus
Deal found 9/18$1,253
This Air Canada deal was found by Cheapflights users on 9/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:05 amFAO - ORD
3 stops22h 00mAir Canada
Sat 12/272:00 pmORD - FAO
2 stops18h 15mAir Canada
Deal found 9/17$1,590
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:05 amFAO - ORD
2 stops18h 10mLufthansa
Wed 10/19:40 pmORD - FAO
2 stops30h 45mLufthansa
Deal found 9/18$3,485
This United Airlines deal was found by Cheapflights users on 9/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:05 amFAO - ORD
2 stops16h 30mUnited Airlines
Wed 10/16:35 pmORD - FAO
1 stop14h 00mUnited Airlines
Deal found 9/18$3,618

Cheapflights Fare Finder

 
Customize your flight search to find flights from Algarve to O'Hare Intl 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 September 19, 2025.
Use the filters below to find and compare flights from Algarve to Chicago O'Hare Intl Airport that are best for you.

Fly from

Algarve

Fly to

O'Hare Intl

Route

Depart

Return

Price

FaroChicago

FAO - ORD

FAOORD

Faro

Sat 12/20

6:10 pm-5:00 pm

2 stops28h 50m

Chicago O'Hare Intl

Sat 12/27

3:50 pm-10:30 am

1 stop12h 40m

$968

FaroChicago

FAO - ORD

FAOORD

Faro

Sat 12/20

6:05 am-10:05 pm

3 stops22h 00m

Chicago O'Hare Intl

Sat 12/27

2:00 pm-2:15 pm

2 stops18h 15m

$1,590

FaroChicago

FAO - ORD

FAOORD

Faro

Wed 10/1

6:05 am-6:15 pm

2 stops18h 10m

Chicago O'Hare Intl

Wed 10/1

9:40 pm-10:25 am

2 stops30h 45m

$3,485

FaroChicago

FAO - ORD

FAOORD

Faro

Wed 10/1

6:05 am-4:35 pm

2 stops16h 30m

Chicago O'Hare Intl

Wed 10/1

6:35 pm-2:35 pm

1 stop14h 00m

$3,618

FaroChicago

FAO - ORD

FAOORD

Faro

Fri 11/14

3:20 pm-2:45 pm

3 stops53h 25m

$370

FaroChicago

FAO - ORD

FAOORD

Faro

Sun 11/16

8:50 pm-11:14 am

3 stops44h 24m

$415

FaroChicago

FAO - ORD

FAOORD

Faro

Wed 11/12

11:15 am-12:45 pm

2 stops31h 30m

$418

FaroChicago

FAO - ORD

FAOORD

Faro

Sat 11/15

4:35 pm-2:45 pm

1 stop28h 10m

$478

FaroChicago

FAO - ORD

FAOORD

Faro

Fri 9/26

11:25 am-9:18 am

2 stops51h 53m

$481

FaroChicago

FAO - ORD

FAOORD

Faro

Thu 11/13

11:15 am-3:15 pm

1 stop34h 00m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 12 results
1
2

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

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

Cheapflights Insights

Everything you need to know about your flight from Algarve to Chicago O'Hare Intl Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

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

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

    There are many flights that can get you from Algarve to Chicago O'Hare Intl Airport in 18h 10m. Fly via Air Canada or Lufthansa to get the fastest option. The distance from Algarve to Chicago O'Hare Intl Airport is about 4114 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Algarve to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Algarve to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Algarve to Chicago O'Hare Intl Airport (average of $245). Flying from Algarve to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Skokie
Gurnee
Hoffman Estates
Des Plaines
Elgin
Arlington Heights
Orland Park
Beloit
Racine
Rockford
Oak Brook
Elk Grove Village
Downers Grove
Naperville
Evanston
Merrillville
Bridgeview
Warrenville

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.

Alternative routes for Algarve to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Lisbon to O'Hare Intl flights
Porto to O'Hare Intl flights
Faro to O'Hare Intl flights

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.