$294+ Cheap flights from Chicago (CHI) 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Chicago 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 Chicago to Portugal
Keep the following information in mind while searching for Chicago to Portugal flight deals. Data was last updated June 12, 2025.
Round-trip from | $475 (Scandinavian Airlines) |
|---|---|
One-way from | $294 (Mytrip) |
Popular in | June |
Cheapest in | February |
Average price | $925 |
Good round-trip deal | $607 or less |
Good one-way deal | $348 or less |
Find flight deals from Chicago to Portugal
Cheapest flights from Chicago to PortugalExplore the most affordable flight options available from Chicago to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Chicago to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Scandinavian Airlines deal was found by Cheapflights users on 6/11. 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.
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gurufare deal was found by Cheapflights users on 6/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com 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 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This British Airways deal was found by Cheapflights users on 6/10. 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.
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
This FlightHub deal was found by Cheapflights users on 6/10. 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 Gotogate deal was found by Cheapflights users on 6/11. 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 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 6/10. 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 Travelocity deal was found by Cheapflights users on 6/10. 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 Travelocity 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 Chicago 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 June 12, 2025.
Use the filters below to find and compare flights from Chicago to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
ChicagoPonta Delgada
ORD - PDL
ORDPDL
Chicago O'Hare Intl
Sun 9/7
6:00 pm-3:00 pm
1 stop16h 00m
Ponta Delgada Nordela
Mon 9/15
6:30 am-4:40 pm
1 stop15h 10m
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Mon 8/4
6:10 pm-5:15 pm
2 stops17h 05m
Faro
Wed 8/20
4:05 pm-12:35 pm
2 stops26h 30m
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
Sun 8/17
9:00 am-6:55 am
2 stops15h 55m
Porto
Sun 8/31
12:10 pm-11:57 am
2 stops29h 47m
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
Tue 7/8
4:30 pm-7:35 am
1 stop33h 05m
Porto
Wed 7/23
4:35 pm-1:30 pm
2 stops26h 55m
ChicagoFunchal
ORD - FNC
ORDFNC
Chicago O'Hare Intl
Thu 9/4
6:00 pm-6:30 pm
1 stop18h 30m
Funchal Madeira
Thu 9/11
4:05 am-10:55 am
1 stop12h 50m
ChicagoFunchal
ORD - FNC
ORDFNC
Chicago O'Hare Intl
Mon 8/4
4:55 pm-5:50 pm
1 stop18h 55m
Funchal Madeira
Wed 8/13
12:00 pm-2:40 pm
1 stop32h 40m
ChicagoPonta Delgada
ORD - PDL
ORDPDL
Chicago O'Hare Intl
Sun 9/7
5:10 pm-9:45 am
2 stops35h 35m
Ponta Delgada Nordela
Mon 9/15
10:45 am-2:15 pm
3 stops32h 30m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Mon 7/7
10:30 pm-10:05 pm
1 stop17h 35m
Lisbon Humberto Delgado
Wed 7/16
6:15 am-6:15 pm
1 stop18h 00m
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Sat 9/6
6:20 pm-5:55 pm
2 stops17h 35m
Lisbon Humberto Delgado
Wed 9/17
9:50 am-9:31 pm
2 stops17h 41m
ChicagoLisbon
MDW - LIS
MDWLIS
Chicago Midway
Mon 8/25
1:08 pm-11:15 am
2 stops16h 07m
Lisbon Humberto Delgado
Tue 9/2
5:40 am-6:37 pm
2 stops18h 57m
Best time to book a flight from Chicago to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Chicago with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Chicago to Portugal
What is the cheapest month to book a flight from Chicago to Portugal?
Currently, January is the cheapest month in which you can book a flight from Chicago to Portugal (average of $612). Flying from Chicago to Portugal in June is currently the most expensive (average of $1,136). 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 CHI to PT?
Find hourly flight availability from Chicago 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 June 12, 2025.
It’s typically best to fly out from Chicago to Portugal at noon. Doing so could potentially save you 34% on the flight price compared to flying in the morning, which is usually more expensive.
What is the cheapest day to fly from Chicago to Portugal?
Use this chart to determine the cheapest time to fly round-trip from Chicago to Portugal. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Chicago 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.
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 June 12, 2025.
Read reviews from past customers who have flown Delta, Porter Airlines and KLM from Chicago to Portugal. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Chicago 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 Chicago to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Chicago to Portugal
Discover the top 10 airlines that operate flights from Chicago 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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$415 | Average$830 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$444 | Average$561 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$463 | Average$739 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$468 | Average$751 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$472 | Average$786 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$472 | Average$767 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$490 | Average$702 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$498 | Average$740 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$504 | Average$755 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$517 | Average$746 | FlexibilityNo cancel fee | On-time79% |