$323+ Cheap flights from O'Hare Intl (ORD) to Portimão, 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — FAO
Mar 5 — Mar 121
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from O'Hare Intl to Portimão with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Portimão
Cheapest
Best
Last-minute
One-way
Cheapest flights from O'Hare Intl to PortimãoExplore the most affordable flight options available from O'Hare Intl to Portimão. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
Explore the most affordable flight options available from O'Hare Intl to Portimão. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
This oojo deal was found by Cheapflights users on 2/3. 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.
Fri 4/176:00 pm
ORD
- FAO
1 stop10h 25m
TAP AIR PORTUGAL
Thu 4/236:10 pm
FAO
- ORD
1 stop27h 50m
TAP AIR PORTUGAL
Deal found 2/3![TAP AIR PORTUGAL logo]()
$486
This Mytrip deal was found by Cheapflights users on 2/3. 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 4/86:00 pm
ORD
- FAO
2 stops23h 25m
Multiple Airlines
Thu 4/1612:50 pm
FAO
- ORD
2 stops33h 10m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$499
This FlightHub deal was found by Cheapflights users on 2/3. 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 5/96:15 pm
ORD
- FAO
1 stop17h 05m
TAP AIR PORTUGAL
Fri 5/156:20 pm
FAO
- ORD
1 stop27h 55m
TAP AIR PORTUGAL
Deal found 2/3![TAP AIR PORTUGAL logo]()
$503
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Fri 5/86:00 pm
ORD
- FAO
1 stop17h 20m
TAP AIR PORTUGAL
Sat 5/166:10 pm
FAO
- ORD
1 stop27h 50m
TAP AIR PORTUGAL
Deal found 2/3![TAP AIR PORTUGAL logo]()
$507
This KAYAK deal was found by Cheapflights users on 2/3. 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.
Wed 4/86:00 pm
ORD
- FAO
1 stop23h 50m
TAP AIR PORTUGAL
Thu 4/166:10 pm
FAO
- ORD
1 stop27h 50m
TAP AIR PORTUGAL
Deal found 2/3![TAP AIR PORTUGAL logo]()
$512
This FlightHub deal was found by Cheapflights users on 2/2. 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.
Sun 3/17:20 pm
ORD
- FAO
1 stop33h 30m
Scandinavian Airlines
Wed 3/1110:35 am
FAO
- ORD
2 stops36h 10m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$522
This Scandinavian Airlines deal was found by Cheapflights users on 2/1. 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.
Mon 4/67:15 pm
ORD
- FAO
2 stops32h 20m
Scandinavian Airlines
Fri 4/177:35 pm
FAO
- ORD
2 stops26h 35m
Scandinavian Airlines
Deal found 2/1![Scandinavian Airlines logo]()
$536
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Sun 2/158:25 pm
ORD
- FAO
1 stop21h 25m
TAP AIR PORTUGAL
Fri 2/206:05 am
FAO
- ORD
1 stop15h 20m
TAP AIR PORTUGAL
Deal found 2/1![TAP AIR PORTUGAL logo]()
$551
This KAYAK deal was found by Cheapflights users on 2/3. 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.
Mon 4/67:15 pm
ORD
- FAO
2 stops32h 20m
Scandinavian Airlines
Tue 4/1410:30 am
FAO
- ORD
1 stop35h 40m
Scandinavian Airlines
Deal found 2/3![Scandinavian Airlines logo]()
$580
This Mytrip deal was found by Cheapflights users on 2/2. 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 2/276:51 pm
ORD
- FAO
2 stops22h 59m
Multiple Airlines
Sat 3/76:05 am
FAO
- ORD
2 stops24h 35m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$583
This KLM deal was found by Cheapflights users on 2/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:25 pm
ORD
- FAO
1 stop20h 30m
KLM
Mon 3/309:45 pm
FAO
- ORD
1 stop22h 30m
KLM
Deal found 2/1![KLM logo]()
$585
Best flights from O'Hare Intl to PortimãoDiscover carefully curated flight deals from O'Hare Intl to Portimão that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from O'Hare Intl to Portimão that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This oojo deal was found by Cheapflights users on 2/2. 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.
Fri 4/176:00 pm
ORD
- FAO
1 stop10h 25m
TAP AIR PORTUGAL
Thu 4/236:10 pm
FAO
- ORD
1 stop27h 50m
TAP AIR PORTUGAL
Deal found 2/2![TAP AIR PORTUGAL logo]()
$486
This Scandinavian Airlines deal was found by Cheapflights users on 2/1. 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.
Mon 4/67:15 pm
ORD
- FAO
2 stops32h 20m
Scandinavian Airlines
Fri 4/177:35 pm
FAO
- ORD
2 stops26h 35m
Scandinavian Airlines
Deal found 2/1![Scandinavian Airlines logo]()
$536
This Mytrip deal was found by Cheapflights users on 2/2. 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 2/276:51 pm
ORD
- FAO
2 stops22h 59m
Multiple Airlines
Sat 3/76:05 am
FAO
- ORD
2 stops24h 35m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$583
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/234:25 pm
ORD
- FAO
1 stop20h 30m
KLM
Mon 3/27:15 pm
FAO
- ORD
2 stops27h 26m
KLM
Deal found 2/3![KLM logo]()
$595
This oojo deal was found by Cheapflights users on 2/2. 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 4/225:37 pm
ORD
- FAO
2 stops14h 48m
British Airways
Thu 4/307:55 pm
FAO
- ORD
2 stops28h 18m
British Airways
Deal found 2/2![British Airways logo]()
$609
This oojo deal was found by Cheapflights users on 2/2. 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 3/18:25 pm
ORD
- FAO
1 stop21h 25m
TAP AIR PORTUGAL
Wed 3/116:05 am
FAO
- ORD
1 stop14h 55m
TAP AIR PORTUGAL
Deal found 2/2![TAP AIR PORTUGAL logo]()
$486
This KLM deal was found by Cheapflights users on 2/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/85:25 pm
ORD
- FAO
1 stop20h 00m
KLM
Mon 3/167:15 pm
FAO
- ORD
2 stops28h 19m
KLM
Deal found 2/2![KLM logo]()
$595
This British Airways deal was found by Cheapflights users on 2/3. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/79:15 pm
ORD
- FAO
1 stop15h 55m
British Airways
Tue 4/143:40 pm
FAO
- ORD
1 stop30h 15m
British Airways
Deal found 2/3![British Airways logo]()
$611
This KLM deal was found by Cheapflights users on 2/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/110:35 am
ORD
- FAO
2 stops16h 40m
KLM
Wed 3/116:55 pm
FAO
- ORD
2 stops27h 15m
KLM
Deal found 2/2![KLM logo]()
$600
This FlightHub deal was found by Cheapflights users on 2/3. 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.
Sun 4/56:00 pm
ORD
- FAO
1 stop10h 25m
TAP AIR PORTUGAL
Tue 4/146:15 pm
FAO
- ORD
1 stop27h 45m
TAP AIR PORTUGAL
Deal found 2/3![TAP AIR PORTUGAL logo]()
$602
Last-minute flights from O'Hare Intl to PortimãoDiscover last-minute flight deals from O'Hare Intl to Portimão. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Portimão. Data last updated February 3, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Sun 2/158:25 pm
ORD
- FAO
1 stop21h 25m
TAP AIR PORTUGAL
Fri 2/206:05 am
FAO
- ORD
1 stop15h 20m
TAP AIR PORTUGAL
Deal found 2/1![TAP AIR PORTUGAL logo]()
$551
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/234:25 pm
ORD
- FAO
1 stop20h 30m
KLM
Mon 3/27:15 pm
FAO
- ORD
2 stops27h 26m
KLM
Deal found 2/3![KLM logo]()
$595
This Mytrip deal was found by Cheapflights users on 2/2. 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 2/276:51 pm
ORD
- FAO
2 stops22h 59m
Multiple Airlines
Sat 3/76:05 am
FAO
- ORD
2 stops24h 35m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$583
This oojo deal was found by Cheapflights users on 2/2. 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.
Fri 2/278:15 pm
ORD
- FAO
1 stop13h 30m
TAP AIR PORTUGAL
Sat 3/74:35 pm
FAO
- ORD
1 stop28h 10m
TAP AIR PORTUGAL
Deal found 2/2![TAP AIR PORTUGAL logo]()
$609
This oojo deal was found by Cheapflights users on 2/2. 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 3/18:25 pm
ORD
- FAO
1 stop21h 25m
TAP AIR PORTUGAL
Wed 3/116:05 am
FAO
- ORD
1 stop14h 55m
TAP AIR PORTUGAL
Deal found 2/2![TAP AIR PORTUGAL logo]()
$486
This FlightHub deal was found by Cheapflights users on 2/2. 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.
Sun 3/17:20 pm
ORD
- FAO
1 stop33h 30m
Scandinavian Airlines
Wed 3/1110:35 am
FAO
- ORD
2 stops36h 10m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$522
This oojo deal was found by Cheapflights users on 2/2. 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 3/810:45 pm
ORD
- FAO
1 stop13h 35m
British Airways
Mon 3/167:05 pm
FAO
- ORD
1 stop29h 40m
British Airways
Deal found 2/2![British Airways logo]()
$607
This KLM deal was found by Cheapflights users on 2/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/165:25 pm
ORD
- FAO
1 stop20h 30m
KLM
Mon 3/309:45 pm
FAO
- ORD
1 stop22h 30m
KLM
Deal found 2/1![KLM logo]()
$585
This KLM deal was found by Cheapflights users on 2/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/171:57 pm
ORD
- FAO
2 stops14h 33m
KLM
Mon 3/309:45 pm
FAO
- ORD
1 stop22h 30m
KLM
Deal found 2/1![KLM logo]()
$590
This United Airlines deal was found by Cheapflights users on 2/1. 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 3/175:00 pm
ORD
- FAO
2 stops37h 40m
United Airlines
Mon 3/303:25 pm
FAO
- ORD
2 stops55h 24m
United Airlines
Deal found 2/1![United Airlines logo]()
$605
One-way flights from O'Hare Intl to PortimãoSearch for one-way flight options from O'Hare Intl to Portimão. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from O'Hare Intl to Portimão. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Sun 3/157:15 am
ORD
- FAO
3 stops33h 00m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$323
This oojo deal was found by Cheapflights users on 2/2. 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 3/158:20 pm
ORD
- FAO
1 stop33h 30m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$368
Find flight deals from O'Hare Intl to Portimão
Keep the following information in mind while searching for O'Hare Intl to Portimão flight deals. Data was last updated February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $486 (oojo) |
One-way from | $323 (Mytrip) |
Popular in | September |
Cheapest in | December |
Average price | $801 |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl to Portimão 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 3, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Portimão that are best for you.
Fly from
O'Hare Intl
Fly to
Portimão
Route
Depart
Return
Price
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Fri 4/17
6:00 pm-10:25 am
1 stop10h 25m
Faro
Thu 4/23
6:10 pm-4:00 pm
1 stop27h 50m
$486
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Sun 3/1
8:25 pm-11:50 pm
1 stop21h 25m
Faro
Wed 3/11
6:05 am-4:00 pm
1 stop14h 55m
$486
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Mon 4/6
7:15 pm-9:35 am
2 stops32h 20m
Faro
Fri 4/17
7:35 pm-4:10 pm
2 stops26h 35m
$536
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Fri 2/27
6:51 pm-11:50 pm
2 stops22h 59m
Faro
Sat 3/7
6:05 am-12:40 am
2 stops24h 35m
$583
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Mon 2/23
4:25 pm-6:55 pm
1 stop20h 30m
Faro
Mon 3/2
7:15 pm-4:41 pm
2 stops27h 26m
$595
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Sun 3/8
5:25 pm-6:25 pm
1 stop20h 00m
Faro
Mon 3/16
7:15 pm-6:34 pm
2 stops28h 19m
$595
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Sun 3/1
10:35 am-9:15 am
2 stops16h 40m
Faro
Wed 3/11
6:55 pm-5:10 pm
2 stops27h 15m
$600
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Sun 4/5
6:00 pm-10:25 am
1 stop10h 25m
Faro
Tue 4/14
6:15 pm-4:00 pm
1 stop27h 45m
$602
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Wed 4/22
5:37 pm-2:25 pm
2 stops14h 48m
Faro
Thu 4/30
7:55 pm-6:13 pm
2 stops28h 18m
$609
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Tue 4/7
9:15 pm-7:10 pm
1 stop15h 55m
Faro
Tue 4/14
3:40 pm-3:55 pm
1 stop30h 15m
$611
Showing 1-10 of 12 results
Best time to book a flight from O'Hare Intl to Portimão
Have a flexible travel schedule? Discover the best time to fly to Portimão from O'Hare Intl with our price prediction graph.
ORD-FAO
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 Portimão
ORD-P0T
ORD-FAO
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Portimão?
Currently, December is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Portimão (average of $405). Flying from Chicago O'Hare Intl Airport to Portimão in July is currently the most expensive (average of $828). 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.
Reviews of airlines servicing Portimão
Get insights into the airlines that provide service to Portimão. 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 Portimão. Reviews last updated February 3, 2026.
Get a feel of what it's like to fly with United Airlines, Aer Lingus, and TAP AIR PORTUGAL from Chicago O'Hare Intl Airport to Portimão 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
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Portimão. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from O'Hare Intl
Popular flights
Top destinations
Alternative routes for O'Hare Intl to Portimão
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portimão by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from O'Hare Intl to Portimão by cabin class
Find flights from O'Hare Intl to Portimão, based on your preferred cabin class, be it economy, premium economy, business, or first class.
O'Hare Intl and Portimão flights
Browse other O'Hare Intl and Portimão flight options. Last updated on February 3, 2026.
Other flights from O'Hare Intl
Browse through other flights departing from O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on February 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
O'Hare Intl to Portimão flights
Consider these flights traveling from O'Hare Intl to Portimão.
Top 3 airlines flying from O'Hare Intl to Portimão
Discover the top 3 airlines that operate flights from O'Hare Intl to Portimão. 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 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$486 | Average$710 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$733 | Average$828 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$741 | Average$1,035 | FlexibilityNo cancel fee | On-timeN/A |