Portugal

$322+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIS
May 2 — May 91
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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 April 2, 2026.

This Rumbo deal was found by Cheapflights users on 3/29. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:05 pm
ORD
-
FAO
1 stop17h 15m
SWISS
Tue 4/287:05 pm
FAO
-
ORD
1 stop23h 30m
SWISS
Deal found 3/29$489
This SmartFares deal was found by Cheapflights users on 3/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:20 pm
ORD
-
FAO
1 stop21h 20m
Multiple Airlines
Tue 4/213:55 pm
FAO
-
ORD
1 stop32h 20m
Multiple Airlines
Deal found 3/30$532
This Trip.com deal was found by Cheapflights users on 3/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:20 pm
ORD
-
LIS
1 stop14h 45m
Scandinavian Airlines
Mon 11/94:55 pm
LIS
-
ORD
1 stop29h 50m
Scandinavian Airlines
Deal found 3/31$571
This oojo deal was found by Cheapflights users on 3/31. 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 11/47:00 pm
ORD
-
OPO
1 stop16h 00m
TAP AIR PORTUGAL
Tue 11/106:00 pm
OPO
-
ORD
1 stop27h 00m
TAP AIR PORTUGAL
Deal found 3/31$572
This oojo deal was found by Cheapflights users on 3/29. 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.
Mon 4/68:10 pm
ORD
-
OPO
1 stop37h 30m
Turkish Airlines
Tue 4/214:50 pm
OPO
-
ORD
1 stop22h 50m
Turkish Airlines
Deal found 3/29$587
This oojo deal was found by Cheapflights users on 3/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:20 pm
ORD
-
LIS
1 stop14h 45m
Scandinavian Airlines
Mon 11/304:55 pm
LIS
-
ORD
1 stop29h 50m
Scandinavian Airlines
Deal found 3/28$588
This Super.com deal was found by Cheapflights users on 3/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:00 pm
ORD
-
LIS
Nonstop8h 10m
TAP AIR PORTUGAL
Wed 4/2912:40 pm
LIS
-
ORD
Nonstop9h 20m
TAP AIR PORTUGAL
Deal found 3/28$589
This Super.com deal was found by Cheapflights users on 3/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:00 pm
ORD
-
LIS
Nonstop8h 10m
TAP AIR PORTUGAL
Sun 4/2612:40 pm
LIS
-
ORD
Nonstop9h 20m
TAP AIR PORTUGAL
Deal found 3/30$591
This oojo deal was found by Cheapflights users on 3/31. 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.
Sat 10/246:05 pm
ORD
-
OPO
1 stop11h 55m
TAP AIR PORTUGAL
Wed 11/48:55 am
OPO
-
ORD
1 stop12h 05m
TAP AIR PORTUGAL
Deal found 3/31$592
This FlightHub deal was found by Cheapflights users on 3/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:20 pm
ORD
-
LIS
1 stop14h 45m
Scandinavian Airlines
Tue 12/14:55 pm
LIS
-
ORD
1 stop29h 50m
Scandinavian Airlines
Deal found 3/28$593
This Turkish Airlines deal was found by Cheapflights users on 3/29. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:10 pm
ORD
-
OPO
1 stop31h 35m
Turkish Airlines
Wed 4/2210:45 am
OPO
-
ORD
1 stop28h 55m
Turkish Airlines
Deal found 3/29$595
This oojo deal was found by Cheapflights users on 3/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:00 pm
ORD
-
LIS
Nonstop8h 10m
TAP AIR PORTUGAL
Fri 4/2412:35 pm
LIS
-
ORD
Nonstop9h 25m
TAP AIR PORTUGAL
Deal found 3/28$596

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 April 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$489
(Rumbo)

One-way from

$322
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$697

Good round-trip deal

$659 or less

Good one-way deal

$470 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. 19% potential increase in price ($183 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in April 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 April 2, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Thu 9/3

11:25 am-3:45 pm

1 stop22h 20m

Porto

Wed 9/16

10:45 am-6:15 pm

1 stop37h 30m

$597

ChicagoFunchal

ORD - FNC

ORDFNC

Chicago O'Hare Intl

Sun 4/19

5:45 pm-6:05 pm

2 stops18h 20m

Funchal Madeira

Tue 4/28

7:35 pm-3:55 pm

1 stop26h 20m

$805

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sat 4/25

9:35 pm-10:30 am

1 stop30h 55m

Lisbon Humberto Delgado

Sun 5/3

6:15 am-6:15 pm

1 stop18h 00m

$807

ChicagoFunchal

ORD - FNC

ORDFNC

Chicago O'Hare Intl

Sun 4/19

11:25 am-4:25 pm

2 stops23h 00m

Funchal Madeira

Tue 4/28

6:05 am-9:40 am

2 stops33h 35m

$821

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Wed 5/6

4:50 pm-7:30 pm

1 stop20h 40m

Faro

Thu 5/14

8:30 am-8:14 pm

2 stops17h 44m

$834

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Sun 4/26

6:00 pm-5:20 pm

1 stop17h 20m

Faro

Thu 4/30

6:10 pm-4:00 pm

1 stop27h 50m

$846

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Tue 5/12

4:20 pm-7:30 pm

1 stop21h 10m

Faro

Tue 5/19

8:15 pm-2:30 pm

1 stop24h 15m

$846

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Mon 9/21

7:35 pm-5:25 pm

2 stops15h 50m

Faro

Tue 9/29

8:35 pm-2:30 pm

1 stop23h 55m

$850

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sun 5/3

7:12 pm-6:10 pm

2 stops16h 58m

Porto

Sun 5/10

5:00 am-2:15 pm

1 stop15h 15m

$853

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Mon 9/21

7:35 pm-5:25 pm

2 stops15h 50m

Faro

Mon 9/28

9:45 pm-4:36 pm

2 stops24h 51m

$860

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 $382). Flying from Chicago O'Hare Intl Airport to Portugal in June is currently the most expensive (average of $680). 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 April 2, 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 142 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 39% 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 April 2, 2026.
Get a feel of what it's like to fly with United Airlines,Aer Lingus, andAir 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.

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

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

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

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

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

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

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

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

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

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

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

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 18h 20m. There are 3845 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 American Airlines, with prices starting from $210 and $276, 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 $1,035, our data indicates the cheapest price to be $328. The most popular route (Chicago O'Hare Intl - Lisbon Humberto Delgado), is priced around $608.

  • 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 $382). Flying from Chicago O'Hare Intl Airport to Portugal in June is currently the most expensive (average of $680). 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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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 April 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$369Average$478FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$371Average$535FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$450Average$807FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$470Average$625FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$483Average$682FlexibilityNo cancel feeOn-time76%
SWISSCheapest$489Average$685FlexibilityNo cancel feeOn-time79%
KLMCheapest$492Average$645FlexibilityNo cancel feeOn-time75%
IberiaCheapest$496Average$712FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$497Average$868FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$503Average$600FlexibilityNo cancel feeOn-time72%

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