$267+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIS
ago. 19 — ago. 261
1 adult, Economy
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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 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 agosto 14, 2025.
Round-trip from | $459 (Scandinavian Airlines) |
|---|---|
One-way from | $267 (oojo) |
Popular in | June |
Cheapest in | February |
Average price | $766 |
Good round-trip deal | $383 or less |
Good one-way deal | $236 or less |
Find flight deals from O'Hare Intl to Portugal
Cheapest flights from O'Hare Intl to PortugalExplore 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 agosto 14, 2025.
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 agosto 14, 2025.
This Scandinavian Airlines deal was found by Cheapflights users on 8/13. 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.
vie. 11/77:20 pmORD - FNC
1 stop14h 00mScandinavian Airlines
sáb. 11/154:10 pmFNC - ORD
1 stop30h 35mScandinavian Airlines
Deal found 8/13![Scandinavian Airlines logo]()
$459
This Scandinavian Airlines deal was found by Cheapflights users on 8/13. 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.
vie. 10/318:20 pmORD - FNC
1 stop14h 00mScandinavian Airlines
sáb. 11/84:10 pmFNC - ORD
1 stop30h 35mScandinavian Airlines
Deal found 8/13![Scandinavian Airlines logo]()
$469
This United deal was found by Cheapflights users on 8/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/57:15 amORD - OPO
1 stop20h 15mMultiple Airlines
mié. 11/196:00 amOPO - ORD
1 stop20h 05mMultiple Airlines
Deal found 8/13![Multiple Airlines logo]()
$484
This oojo deal was found by Cheapflights users on 8/13. 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 - OPO
1 stop17h 05mTAP AIR PORTUGAL
mié. 11/56:55 amOPO - ORD
1 stop14h 05mTAP AIR PORTUGAL
Deal found 8/13![TAP AIR PORTUGAL logo]()
$486
This United Airlines deal was found by Cheapflights users on 8/14. 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.
mié. 11/51:00 pmORD - OPO
2 stops14h 30mUnited Airlines
mié. 11/1912:30 pmOPO - ORD
1 stop13h 35mUnited Airlines
Deal found 8/14![United Airlines logo]()
$489
This United deal was found by Cheapflights users on 8/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/2511:00 amORD - OPO
1 stop16h 30mMultiple Airlines
lun. 12/112:05 pmOPO - ORD
1 stop34h 15mMultiple Airlines
Deal found 8/13![Multiple Airlines logo]()
$492
This Ovago deal was found by Cheapflights users on 8/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/34:45 pmORD - OPO
1 stop17h 15mBritish Airways
jue. 12/118:20 amOPO - ORD
1 stop12h 10mBritish Airways
Deal found 8/12![British Airways logo]()
$493
This United Airlines deal was found by Cheapflights users on 8/12. 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.
mié. 11/51:00 pmORD - OPO
2 stops14h 30mUnited Airlines
jue. 11/1312:30 pmOPO - ORD
2 stops17h 04mUnited Airlines
Deal found 8/12![United Airlines logo]()
$499
This Scandinavian Airlines deal was found by Cheapflights users on 8/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/147:20 pmORD - FNC
1 stop14h 00mScandinavian Airlines
sáb. 11/224:10 pmFNC - ORD
1 stop30h 35mScandinavian Airlines
Deal found 8/11![Scandinavian Airlines logo]()
$500
This American Airlines deal was found by Cheapflights users on 8/13. 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.
mié. 10/2211:47 amORD - OPO
2 stops13h 48mAmerican Airlines
mié. 11/58:20 amOPO - ORD
1 stop12h 10mAmerican Airlines
Deal found 8/13![American Airlines logo]()
$503
This United Airlines deal was found by Cheapflights users on 8/13. 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.
dom. 11/233:07 pmORD - OPO
1 stop12h 23mUnited Airlines
mié. 12/312:30 pmOPO - ORD
1 stop28h 40mUnited Airlines
Deal found 8/13![United Airlines logo]()
$504
This Air Canada deal was found by Cheapflights users on 8/14. 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.
mar. 11/2510:38 amORD - OPO
2 stops18h 37mAir Canada
mar. 12/26:00 amOPO - ORD
2 stops19h 30mAir Canada
Deal found 8/14![Air Canada logo]()
$506
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 agosto 14, 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
ChicagoFunchal
ORD - FNC
ORDFNC
Chicago O'Hare Intl
vie. 11/7
7:20 pm-3:20 pm
1 stop14h 00m
Funchal Madeira
sáb. 11/15
4:10 pm-4:45 pm
1 stop30h 35m
$459
ChicagoFunchal
ORD - FNC
ORDFNC
Chicago O'Hare Intl
vie. 10/31
8:20 pm-3:20 pm
1 stop14h 00m
Funchal Madeira
sáb. 11/8
4:10 pm-4:45 pm
1 stop30h 35m
$469
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
mié. 11/5
7:15 am-9:30 am
1 stop20h 15m
Porto
mié. 11/19
6:00 am-8:05 pm
1 stop20h 05m
$484
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
mié. 11/5
2:30 pm-9:30 am
1 stop13h 00m
Porto
mié. 11/19
12:30 pm-8:05 pm
1 stop13h 35m
$484
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
mié. 10/29
6:25 pm-9:30 am
1 stop10h 05m
Porto
mié. 11/5
12:30 pm-8:05 pm
1 stop13h 35m
$484
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
mié. 11/5
7:15 am-9:30 am
1 stop20h 15m
Porto
jue. 11/13
6:00 am-1:10 pm
1 stop13h 10m
$484
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
mié. 10/29
5:31 pm-9:30 am
1 stop10h 59m
Porto
mié. 11/12
12:30 pm-8:05 pm
1 stop13h 35m
$484
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
mié. 10/22
6:00 pm-5:05 pm
1 stop17h 05m
Porto
mié. 11/5
6:55 am-3:00 pm
1 stop14h 05m
$486
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
mié. 10/29
8:10 pm-3:05 pm
1 stop13h 55m
Porto
dom. 11/9
5:00 am-3:00 pm
1 stop16h 00m
$486
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
mié. 1/14
7:10 pm-5:00 pm
1 stop15h 50m
Porto
sáb. 1/24
4:55 pm-3:00 pm
1 stop28h 05m
$486
Showing 1-10 of 56 results
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 $1,128). 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 agosto 14, 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 December 16, 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. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 agosto 14, 2025.
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.
Crew
8.1
Comfort
7.3
Overall
7.4
Food
6.6
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Crew
8.1
Comfort
7.3
Overall
7.4
Food
6.6
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Crew
8.1
Comfort
7.3
Overall
7.4
Food
6.6
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Crew
8.1
Comfort
7.3
Overall
7.4
Food
6.6
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Crew
8.1
Comfort
7.3
Overall
7.4
Food
6.6
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Crew
8.1
Comfort
7.3
Overall
7.4
Food
6.6
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
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.
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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 agosto 14, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$411 | Average$659 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$444 | Average$561 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$453 | Average$818 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$463 | Average$731 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$474 | Average$743 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$490 | Average$702 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$494 | Average$939 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$504 | Average$750 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$511 | Average$759 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$517 | Average$732 | FlexibilityNo cancel fee | On-time79% |