Portugal

$223+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIS
Apr 9 — Apr 161
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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 March 10, 2026.

This FlightHub deal was found by Cheapflights users on 3/6. 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.
Sat 11/217:20 pm
ORD
-
OPO
1 stop33h 40m
Scandinavian Airlines
Fri 11/275:35 pm
OPO
-
ORD
1 stop29h 10m
Scandinavian Airlines
Deal found 3/6$441
This Mytrip deal was found by Cheapflights users on 3/7. 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.
Sat 4/187:15 pm
ORD
-
OPO
1 stop16h 25m
Scandinavian Airlines
Fri 5/15:55 pm
OPO
-
ORD
1 stop28h 15m
Scandinavian Airlines
Deal found 3/7$443
This KAYAK deal was found by Cheapflights users on 3/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:20 pm
ORD
-
FNC
2 stops36h 25m
Scandinavian Airlines
Sat 12/54:10 pm
FNC
-
ORD
1 stop30h 35m
Scandinavian Airlines
Deal found 3/6$481
This FlightHub deal was found by Cheapflights users on 3/9. 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.
Fri 4/177:15 pm
ORD
-
LIS
1 stop20h 50m
Scandinavian Airlines
Fri 5/19:15 pm
LIS
-
ORD
1 stop24h 55m
Scandinavian Airlines
Deal found 3/9$490
This Mytrip deal was found by Cheapflights users on 3/9. 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.
Thu 11/57:20 pm
ORD
-
LIS
2 stops44h 40m
Scandinavian Airlines
Sun 11/154:55 pm
LIS
-
ORD
1 stop29h 50m
Scandinavian Airlines
Deal found 3/9$499
This CrystalTravel deal was found by Cheapflights users on 3/5. 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.
Sun 11/297:20 pm
ORD
-
LIS
1 stop14h 45m
Scandinavian Airlines
Tue 12/1512:45 pm
LIS
-
ORD
2 stops34h 10m
Scandinavian Airlines
Deal found 3/5$500
This Mytrip deal was found by Cheapflights users on 3/7. 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.
Fri 4/1710:25 pm
ORD
-
OPO
2 stops19h 00m
Multiple Airlines
Tue 4/217:10 am
OPO
-
ORD
2 stops17h 05m
Multiple Airlines
Deal found 3/7$500
This CrystalTravel deal was found by Cheapflights users on 3/9. 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.
Sat 10/318:20 pm
ORD
-
LIS
1 stop14h 45m
Scandinavian Airlines
Mon 11/3012:40 pm
LIS
-
ORD
2 stops34h 05m
Scandinavian Airlines
Deal found 3/9$501
This oojo deal was found by Cheapflights users on 3/8. 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 10/318:20 pm
ORD
-
LIS
1 stop14h 45m
Scandinavian Airlines
Tue 11/1012:50 pm
LIS
-
ORD
1 stop33h 55m
Scandinavian Airlines
Deal found 3/8$504
This Gotogate deal was found by Cheapflights users on 3/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:20 pm
ORD
-
LIS
1 stop31h 40m
Scandinavian Airlines
Sun 11/294:55 pm
LIS
-
ORD
1 stop29h 50m
Scandinavian Airlines
Deal found 3/9$505
This Mytrip deal was found by Cheapflights users on 3/8. 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 11/247:20 pm
ORD
-
LIS
1 stop14h 45m
Scandinavian Airlines
Sun 11/296:55 am
LIS
-
ORD
2 stops39h 50m
Scandinavian Airlines
Deal found 3/8$507
This FlightHub deal was found by Cheapflights users on 3/6. 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.
Sat 11/217:20 pm
ORD
-
LIS
1 stop14h 45m
Scandinavian Airlines
Sun 11/296:55 am
LIS
-
ORD
2 stops39h 50m
Scandinavian Airlines
Deal found 3/6$508

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$443
(Mytrip)

One-way from

$223
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$700

Good round-trip deal

$591 or less

Good one-way deal

$427 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. 20% potential increase in price ($189 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Average for round-trip flights in March 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 March 10, 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

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 4/29

8:10 pm-11:45 pm

1 stop21h 35m

Lisbon Humberto Delgado

Mon 5/4

10:55 am-9:40 am

1 stop28h 45m

$648

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 4/15

4:50 pm-6:20 pm

1 stop19h 30m

Porto

Tue 5/5

5:00 am-7:52 pm

2 stops20h 52m

$659

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Fri 5/1

9:15 pm-6:00 pm

1 stop14h 45m

Lisbon Humberto Delgado

Wed 5/6

6:35 am-2:25 pm

1 stop13h 50m

$678

ChicagoFunchal

ORD - FNC

ORDFNC

Chicago O'Hare Intl

Mon 4/27

9:15 pm-6:35 pm

1 stop15h 20m

Funchal Madeira

Tue 5/5

7:35 pm-1:50 pm

1 stop24h 15m

$713

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 4/13

1:36 pm-8:00 am

2 stops12h 24m

Lisbon Humberto Delgado

Tue 4/21

12:45 pm-9:29 pm

1 stop14h 44m

$731

ChicagoLisbon

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Wed 4/8

11:10 am-8:50 am

2 stops15h 40m

Lisbon Humberto Delgado

Wed 4/15

5:00 am-4:42 pm

2 stops17h 42m

$744

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Wed 8/12

4:50 pm-2:00 pm

1 stop15h 10m

Faro

Tue 8/18

8:20 pm-2:30 pm

1 stop24h 10m

$747

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 4/21

1:36 pm-3:25 pm

2 stops19h 49m

Porto

Sun 4/26

5:00 am-2:15 pm

1 stop15h 15m

$750

ChicagoFunchal

ORD - FNC

ORDFNC

Chicago O'Hare Intl

Mon 4/20

9:15 pm-6:35 pm

1 stop15h 20m

Funchal Madeira

Mon 4/27

6:55 pm-1:50 pm

1 stop24h 55m

$766

ChicagoFunchal

ORD - FNC

ORDFNC

Chicago O'Hare Intl

Sun 4/19

6:00 pm-9:05 pm

1 stop21h 05m

Funchal Madeira

Thu 4/23

9:55 pm-4:00 pm

1 stop24h 05m

$777

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

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 $678). 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 March 10, 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 39% of weekly flights between Chicago and Portugal have experienced delays in the past year, with the average delay time being 143 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 March 10, 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

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

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

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

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

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

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

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

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

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

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

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

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 15h 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 TAP AIR PORTUGAL, with prices starting from $210 and $281, 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 $1,586, our data indicates the cheapest price to be $333. The most popular route (Chicago O'Hare Intl - Lisbon Humberto Delgado), is priced around $543.

  • 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 $678). 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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$369Average$478FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$371Average$536FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$450Average$813FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$470Average$605FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$483Average$700FlexibilityNo cancel feeOn-time76%
SWISSCheapest$489Average$685FlexibilityNo cancel feeOn-time79%
DeltaCheapest$494Average$715FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$496Average$717FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$497Average$870FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$503Average$741FlexibilityNo cancel feeOn-time72%

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