Portugal

$243+ Cheap flights from O'Hare Intl (ORD) to Portugal

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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIS
Mar 13 — Mar 201
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Cheap flight deals from O'Hare Intl to Portugal

Cheapest flights from O'Hare Intl to Portugal
Explore the most affordable flight options available from O'Hare Intl to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This FlightHub deal was found by Cheapflights users on 2/11. 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.
Mon 4/137:15 pm
ORD
-
OPO
1 stop33h 45m
Scandinavian Airlines
Fri 4/175:55 pm
OPO
-
ORD
1 stop28h 15m
Scandinavian Airlines
Deal found 2/11$443
This oojo deal was found by Cheapflights users on 2/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:10 pm
ORD
-
OPO
1 stop20h 50m
TAP AIR PORTUGAL
Wed 3/118:55 am
OPO
-
ORD
1 stop12h 05m
TAP AIR PORTUGAL
Deal found 2/9$473
This AirNGo deal was found by Cheapflights users on 2/11. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/158:25 pm
ORD
-
FAO
1 stop21h 25m
TAP AIR PORTUGAL
Sat 2/284:35 pm
FAO
-
ORD
1 stop28h 10m
TAP AIR PORTUGAL
Deal found 2/11$479
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/176:50 pm
ORD
-
LIS
1 stop13h 45m
SWISS
Thu 3/53:25 pm
LIS
-
ORD
1 stop30h 55m
SWISS
Deal found 2/9$480
This CrystalTravel deal was found by Cheapflights users on 2/9. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/109:50 pm
ORD
-
LIS
1 stop19h 40m
Lufthansa
Fri 2/276:10 am
LIS
-
ORD
1 stop18h 15m
Lufthansa
Deal found 2/9$482
This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:35 pm
ORD
-
LIS
1 stop15h 05m
American Airlines
Fri 3/66:30 am
LIS
-
ORD
1 stop14h 25m
American Airlines
Deal found 2/9$483
This FlightHub deal was found by Cheapflights users on 2/11. 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.
Mon 4/137:15 pm
ORD
-
OPO
1 stop33h 45m
Scandinavian Airlines
Sun 4/196:20 pm
OPO
-
ORD
1 stop27h 50m
Scandinavian Airlines
Deal found 2/11$483
This Mytrip deal was found by Cheapflights users on 2/9. 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.
Wed 3/46:30 pm
ORD
-
LIS
2 stops19h 05m
Multiple Airlines
Tue 3/106:25 am
LIS
-
ORD
2 stops16h 55m
Multiple Airlines
Deal found 2/9$484
This FlightHub deal was found by Cheapflights users on 2/9. 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.
Tue 10/203:40 pm
ORD
-
LIS
1 stop11h 40m
Multiple Airlines
Thu 11/55:00 am
LIS
-
ORD
1 stop21h 05m
Multiple Airlines
Deal found 2/9$485
This oojo deal was found by Cheapflights users on 2/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:00 pm
ORD
-
FAO
1 stop10h 25m
TAP AIR PORTUGAL
Thu 4/236:10 pm
FAO
-
ORD
1 stop27h 50m
TAP AIR PORTUGAL
Deal found 2/9$485
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 2/173:50 pm
ORD
-
LIS
1 stop10h 20m
United Airlines
Tue 3/35:00 am
LIS
-
ORD
1 stop16h 20m
United Airlines
Deal found 2/9$486
This oojo deal was found by Cheapflights users on 2/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:00 pm
ORD
-
FAO
1 stop10h 25m
TAP AIR PORTUGAL
Thu 5/146:10 pm
FAO
-
ORD
1 stop27h 50m
TAP AIR PORTUGAL
Deal found 2/10$486

Find flight deals from O'Hare Intl to Portugal

Keep the following information in mind while searching for O'Hare Intl to Portugal flight deals. Data was last updated February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$443
(FlightHub)

One-way from

$243
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$523

Good round-trip deal

$458 or less

Good one-way deal

$357 or less
Provider with most accurate pricing for Chicago (CHI)-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Lisbon Humberto Delgado flights.
From Chicago O'Hare Intl to Portugal
One-way flight from Chicago O'Hare Intl to Portugal
Highest demand for flights based on searches. 17% potential increase in price ($161 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Chicago O'Hare Intl to Portugal.
Price to beat on a one-way flight from Chicago O'Hare Intl to Portugal.

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Portugal 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 February 11, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Portugal that are best for you.

Fly from

O'Hare Intl

Fly to

Portugal

Route

Depart

Return

Price

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Sun 4/12

6:00 pm-10:25 am

1 stop10h 25m

Faro

Thu 4/23

6:10 pm-4:00 pm

1 stop27h 50m

$485

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Sat 4/18

6:15 pm-5:20 pm

1 stop17h 05m

Faro

Sat 4/25

6:05 am-4:15 pm

1 stop16h 10m

$485

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 2/24

3:50 pm-8:10 am

1 stop10h 20m

Lisbon Humberto Delgado

Wed 3/11

5:00 am-4:20 pm

1 stop16h 20m

$486

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Wed 5/6

6:00 pm-10:25 am

1 stop10h 25m

Faro

Thu 5/14

6:10 pm-4:00 pm

1 stop27h 50m

$486

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 4/26

10:30 pm-11:25 pm

1 stop18h 55m

Lisbon Humberto Delgado

Wed 5/6

6:35 am-2:15 pm

1 stop13h 40m

$494

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 4/8

7:00 am-9:20 am

2 stops20h 20m

Lisbon Humberto Delgado

Wed 4/15

5:05 am-7:26 am

2 stops32h 21m

$499

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 3/23

10:40 am-8:00 am

1 stop16h 20m

Lisbon Humberto Delgado

Tue 3/31

5:35 am-6:31 pm

2 stops18h 56m

$504

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 3/4

4:25 pm-6:30 pm

1 stop20h 05m

Lisbon Humberto Delgado

Thu 3/12

5:00 am-4:43 pm

2 stops16h 43m

$504

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 3/1

6:20 pm-10:15 am

1 stop9h 55m

Lisbon Humberto Delgado

Mon 3/30

5:05 am-11:00 am

1 stop35h 55m

$507

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 4/28

4:20 pm-6:45 pm

1 stop20h 25m

Lisbon Humberto Delgado

Wed 5/6

5:35 am-5:41 pm

2 stops18h 06m

$510

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 60 results
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Best time to book a flight from O'Hare Intl to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Portugal

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

Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Portugal (average of $383). Flying from Chicago O'Hare Intl Airport to Portugal in June is currently the most expensive (average of $685). 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.

What is the cheapest time of day to fly from ORD to PT?

Find hourly flight availability from O'Hare Intl to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 11, 2026.

When flying from Chicago O'Hare Intl Airport to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from Chicago to Portugal delayed?

About 40% of weekly flights between Chicago and Portugal have experienced delays in the past year, with the average delay time being 141 minutes.

What is the most punctual flight time for Chicago to Portugal flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Chicago to Portugal flights?

Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 40% of flights being delayed.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated February 11, 2026.
Get a feel of what it's like to fly with United Airlines, American Airlines, and Air Canada from Chicago O'Hare Intl Airport to Portugal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Portugal. 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 Chicago O'Hare Intl Airport to Portugal?

    Departing from Chicago O'Hare Intl Airport to Portugal will take you 10h 20m. There are 3996 mi between Chicago O'Hare Intl Airport and Portugal. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Portugal one-way?

    $130 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on British Airways and TAP AIR PORTUGAL, with prices starting from $210 and $282, respectively.

  • What are the most popular routes from Chicago O'Hare Intl Airport to Portugal?

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Portugal?

    Looking for the cheapest flight from Chicago O'Hare Intl Airport to Portugal? While on average our users pay $1,457, our data indicates the cheapest price to be $289. The most popular route (Chicago O'Hare Intl - Lisbon Humberto Delgado), is priced around $445.

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

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

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

    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 Portugal.

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

    Yes. Cheapflights offers flight deals from O'Hare Intl to Portugal 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 Chicago O'Hare Intl Airport to Portugal?

    Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Portugal (average of $383). Flying from Chicago O'Hare Intl Airport to Portugal in June is currently the most expensive (average of $685). 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

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Alternative routes for O'Hare Intl to Portugal

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from O'Hare Intl to Portugal

Discover the top 10 airlines that operate flights from O'Hare Intl to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$369Average$478FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$371Average$549FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$441Average$674FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$450Average$818FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$470Average$605FlexibilityNo cancel feeOn-time77%
SWISSCheapest$489Average$734FlexibilityNo cancel feeOn-time79%
Aer LingusCheapest$497Average$884FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$501Average$739FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$503Average$600FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$505Average$742FlexibilityNo cancel feeOn-time71%

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