$256+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from O'Hare Intl to Portugal 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 Portugal
Keep the following information in mind while searching for O'Hare Intl to Portugal flight deals. Data was last updated abril 17, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $558 (FlightHub) |
One-way from | $256 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $719 |
Good round-trip deal | $686 or less |
Good one-way deal | $337 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 abril 17, 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 abril 17, 2025.
This SmartFares deal was found by Cheapflights users on 4/16. 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.
This FlightHub deal was found by Cheapflights users on 4/16. 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.
This American Airlines deal was found by Cheapflights users on 4/15. 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.
This oojo deal was found by Cheapflights users on 4/17. 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.
This Delta deal was found by Cheapflights users on 4/15. 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.
This Lufthansa deal was found by Cheapflights users on 4/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate deal was found by Cheapflights users on 4/15. 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.
This United Airlines deal was found by Cheapflights users on 4/16. 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.
This Orbitz deal was found by Cheapflights users on 4/17. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate deal was found by Cheapflights users on 4/16. 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.
This FlightHub deal was found by Cheapflights users on 4/17. 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.
This oojo deal was found by Cheapflights users on 4/16. 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.
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 17, 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
Fly to
Route
Depart
Return
Price
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
mar. 5/13
9:15 pm-9:35 pm
1 stop18h 20m
Lisbon Humberto Delgado
mar. 5/20
10:15 pm-2:00 pm
1 stop21h 45m
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
lun. 5/5
4:20 pm-10:40 am
1 stop12h 20m
Porto
mar. 5/20
6:15 am-2:10 pm
1 stop13h 55m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
sáb. 4/26
7:00 pm-9:05 am
1 stop32h 05m
Lisbon Humberto Delgado
vie. 5/9
6:35 am-2:15 pm
1 stop13h 40m
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
mié. 5/7
8:40 am-6:30 pm
2 stops27h 50m
Porto
mié. 5/14
12:20 pm-3:55 pm
1 stop33h 35m
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
lun. 5/5
8:40 am-11:25 am
2 stops20h 45m
Porto
mar. 5/20
6:00 am-8:12 pm
2 stops20h 12m
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
mié. 5/7
6:35 pm-6:30 pm
1 stop17h 55m
Porto
mié. 5/14
12:20 pm-3:55 pm
1 stop33h 35m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
sáb. 4/26
5:00 pm-5:55 pm
2 stops18h 55m
Lisbon Humberto Delgado
vie. 5/9
10:00 am-9:31 pm
1 stop17h 31m
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
mié. 4/23
4:50 pm-10:15 pm
1 stop23h 25m
Porto
dom. 5/4
5:00 am-2:10 pm
1 stop15h 10m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
dom. 4/20
2:20 pm-11:45 am
1 stop15h 25m
Lisbon Humberto Delgado
lun. 4/28
5:55 am-12:10 pm
1 stop36h 15m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
lun. 4/21
5:10 pm-5:50 pm
1 stop18h 40m
Lisbon Humberto Delgado
lun. 5/12
7:30 pm-2:10 pm
1 stop24h 40m
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.
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 $1,203). 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 17, 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. 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 17, 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.
Crew
Entertainment
Overall
Comfort
Food
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Entertainment
Overall
Comfort
Food
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Entertainment
Overall
Comfort
Food
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Entertainment
Overall
Comfort
Food
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Entertainment
Overall
Comfort
Food
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Entertainment
Overall
Comfort
Food
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
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 abril 17, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$418 | Average$855 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$445 | Average$585 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$463 | Average$746 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$468 | Average$759 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$472 | Average$791 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$490 | Average$702 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$514 | Average$768 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$515 | Average$918 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$517 | Average$876 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$527 | Average$725 | FlexibilityNo cancel fee | On-time75% |