Portugal

$320+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIS
may. 4 — may. 111
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Cheap 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 abril 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$567
(Cheapflightsfares)

One-way from

$324
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$719

Good round-trip deal

$712 or less

Good one-way deal

$326 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 ($177 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in April 2025
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.

Find 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 abril 29, 2025.

This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/29. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/156:10 pmORD - FAO
1 stop17h 10mTAP AIR PORTUGAL
dom. 9/216:10 pmFAO - ORD
1 stop28h 30mTAP AIR PORTUGAL
Deal found 4/29$516
This Scandinavian Airlines deal was found by Cheapflights users on 4/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/217:15 pmORD - FAO
2 stops41h 30mScandinavian Airlines
sáb. 9/67:35 pmFAO - ORD
2 stops50h 35mScandinavian Airlines
Deal found 4/29$533
This oojo deal was found by Cheapflights users on 4/28. 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.
mié. 10/226:00 pmORD - FNC
1 stop18h 35mTAP AIR PORTUGAL
mié. 10/297:50 amFNC - ORD
1 stop13h 10mTAP AIR PORTUGAL
Deal found 4/28$573
This CrystalTravel deal was found by Cheapflights users on 4/29. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/139:40 pmORD - OPO
1 stop19h 40mMultiple Airlines
lun. 10/207:20 pmOPO - ORD
1 stop22h 50mMultiple Airlines
Deal found 4/29$577
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/2312:50 pmORD - OPO
2 stops14h 55mUnited Airlines
mar. 11/412:30 pmOPO - ORD
1 stop13h 35mUnited Airlines
Deal found 4/28$591
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/1310:30 pmORD - OPO
2 stops18h 50mLufthansa
mar. 11/1112:30 pmOPO - ORD
1 stop13h 35mLufthansa
Deal found 4/29$593
This oojo deal was found by Cheapflights users on 4/28. 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.
dom. 8/246:00 pmORD - OPO
1 stop20h 25mTAP AIR PORTUGAL
vie. 9/510:00 amOPO - ORD
1 stop12h 10mTAP AIR PORTUGAL
Deal found 4/28$596
This Gurufare deal was found by Cheapflights users on 4/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/267:00 amORD - OPO
2 stops22h 00mScandinavian Airlines
vie. 9/55:55 pmOPO - ORD
1 stop28h 15mScandinavian Airlines
Deal found 4/29$598
This oojo deal was found by Cheapflights users on 4/28. 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.
mié. 10/87:50 pmORD - OPO
1 stop31h 55mTurkish Airlines
lun. 10/2010:55 amOPO - ORD
1 stop17h 05mTurkish Airlines
Deal found 4/28$610
This Gurufare deal was found by Cheapflights users on 4/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/106:45 pmORD - FNC
1 stop34h 35mBritish Airways
mar. 12/233:05 pmFNC - ORD
1 stop31h 55mBritish Airways
Deal found 4/27$612
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/201:35 pmORD - OPO
2 stops19h 55mDelta
mar. 11/411:45 amOPO - ORD
2 stops25h 53mDelta
Deal found 4/28$618
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/173:35 pmORD - OPO
1 stop11h 45mAir Canada
mié. 9/246:00 amOPO - ORD
2 stops20h 11mAir Canada
Deal found 4/28$619

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 abril 29, 2025.
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

lun. 9/15

6:10 pm-5:20 pm

1 stop17h 10m

Faro

dom. 9/21

6:10 pm-4:40 pm

1 stop28h 30m

$516

ChicagoFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

jue. 8/21

7:15 pm-6:45 pm

2 stops41h 30m

Faro

sáb. 9/6

7:35 pm-4:10 pm

2 stops50h 35m

$533

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

lun. 10/13

9:40 pm-11:20 pm

1 stop19h 40m

Porto

lun. 10/20

7:20 pm-12:10 pm

1 stop22h 50m

$577

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

jue. 10/23

12:50 pm-9:45 am

2 stops14h 55m

Porto

mar. 11/4

12:30 pm-8:05 pm

1 stop13h 35m

$591

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

lun. 10/13

10:30 pm-11:20 pm

2 stops18h 50m

Porto

mar. 11/11

12:30 pm-8:05 pm

1 stop13h 35m

$593

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

dom. 8/24

6:00 pm-8:25 pm

1 stop20h 25m

Porto

vie. 9/5

10:00 am-4:10 pm

1 stop12h 10m

$596

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mar. 8/26

7:00 am-11:00 am

2 stops22h 00m

Porto

vie. 9/5

5:55 pm-4:10 pm

1 stop28h 15m

$598

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mié. 10/8

7:50 pm-9:45 am

1 stop31h 55m

Porto

lun. 10/20

10:55 am-10:00 pm

1 stop17h 05m

$610

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

lun. 10/20

1:35 pm-3:30 pm

2 stops19h 55m

Porto

mar. 11/4

11:45 am-7:38 am

2 stops25h 53m

$618

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

mié. 9/17

3:35 pm-9:20 am

1 stop11h 45m

Porto

mié. 9/24

6:00 am-8:11 pm

2 stops20h 11m

$619

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

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, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Portugal (average of $612). Flying from Chicago O'Hare Intl Airport to Portugal in June is currently the most expensive (average of $1,178). 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 abril 29, 2025.

When flying from Chicago O'Hare Intl Airport to Portugal, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 33% versus a flight in the morning.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Portugal?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Portugal. Price data was last updated on June 30, 2024.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Portugal flight should consider departing on Wednesday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 abril 29, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Chicago 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.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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

    $355 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Scandinavian Airlines and Icelandair, with prices starting from $390 and $393, 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 $2,259, our data indicates the cheapest price to be $261. The most popular route (Chicago O'Hare Intl - Lisbon Humberto Delgado), is priced around $523.

  • 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, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Portugal (average of $612). Flying from Chicago O'Hare Intl Airport to Portugal in June is currently the most expensive (average of $1,178). 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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$419Average$852FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$445Average$585FlexibilityNo cancel feeOn-time76%
FinnairCheapest$463Average$746FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$468Average$752FlexibilityNo cancel feeOn-time71%
IberiaCheapest$472Average$793FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$490Average$733FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$504Average$757FlexibilityNo cancel feeOn-time70%
DeltaCheapest$514Average$775FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$527Average$726FlexibilityNo cancel feeOn-time75%
Scandinavian AirlinesCheapest$529Average$784FlexibilityNo cancel feeOn-time77%

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