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$226+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LIS
Oct 14 — Oct 211
From?
To?
Mon 10/14
Mon 10/21
1 adult, Economy
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Cheap Chicago to Portugal flights in October & November 2024

Find cheap flight options from Chicago to Portugal specifically for the months of October and November 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,724,377 searches. Prices were last updated on October 9, 2024.
Check out some of the best flight deals from Chicago to Portugal in 2024. For more flight deals, be sure to check back very soon.
This 123 Milhas deal was found by Cheapflights users on 10/9. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/178:25 pmORD - FNC
1 stop22h 35mTAP AIR PORTUGAL
Tue 11/269:15 pmFNC - ORD
1 stop24h 15mTAP AIR PORTUGAL
Deal found 10/9$335
This Virgin Atlantic deal was found by Cheapflights users on 10/9. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/121:30 pmMDW - LIS
2 stops13h 30mVirgin Atlantic
Wed 11/2011:15 amLIS - MDW
2 stops16h 31mVirgin Atlantic
Deal found 10/9$496
This Delta deal was found by Cheapflights users on 10/8. 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.
Tue 11/121:30 pmMDW - LIS
2 stops12h 30mDelta
Wed 11/205:00 amLIS - MDW
2 stops19h 32mDelta
Deal found 10/8$501
This Delta deal was found by Cheapflights users on 10/8. 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.
Wed 11/131:30 pmMDW - OPO
2 stops15h 20mDelta
Wed 11/206:00 amOPO - MDW
2 stops17h 54mDelta
Deal found 10/8$505
This KLM deal was found by Cheapflights users on 10/9. 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 10/292:10 pmMDW - OPO
2 stops15h 20mKLM
Wed 11/276:00 amOPO - MDW
2 stops18h 32mKLM
Deal found 10/9$511
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Sun 11/177:05 pmORD - FNC
1 stop36h 00mSWISS
Tue 11/262:05 pmFNC - ORD
1 stop32h 10mSWISS
Deal found 10/7$522
This British Airways deal was found by Cheapflights users on 10/9. 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.
Fri 11/2910:05 pmORD - OPO
1 stop15h 05mBritish Airways
Mon 12/235:30 pmOPO - ORD
1 stop27h 15mBritish Airways
Deal found 10/9$525
This oojo deal was found by Cheapflights users on 10/9. 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 11/610:35 pmORD - OPO
1 stop17h 50mMultiple Airlines
Wed 12/112:10 pmOPO - ORD
2 stops32h 05mMultiple Airlines
Deal found 10/9$527
This American Airlines deal was found by Cheapflights users on 10/8. 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.
Thu 11/74:45 pmORD - OPO
1 stop13h 00mAmerican Airlines
Wed 11/138:20 amOPO - ORD
1 stop12h 10mAmerican Airlines
Deal found 10/8$530

Chicago to Portugal 2024 flight deals

Discover exclusive flight deals for travel between Chicago and Portugal in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,724,377 searches. Data last updated October 9, 2024.
Check out some of the best flight deals from Chicago to Portugal in 2024. For more flight deals, be sure to check back very soon.
This 123 Milhas deal was found by Cheapflights users on 10/9. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/178:25 pmORD - FNC
1 stop22h 35mTAP AIR PORTUGAL
Tue 11/269:15 pmFNC - ORD
1 stop24h 15mTAP AIR PORTUGAL
Deal found 10/9$335
This oojo deal was found by Cheapflights users on 10/8. 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 11/108:25 pmORD - OPO
1 stop16h 35mTAP AIR PORTUGAL
Tue 11/198:00 pmOPO - ORD
1 stop25h 30mTAP AIR PORTUGAL
Deal found 10/8$415
This Cheapflightsfares deal was found by Cheapflights users on 10/8. 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.
Tue 11/124:45 pmORD - OPO
1 stop17h 15mIberia
Tue 11/198:20 amOPO - ORD
1 stop12h 10mIberia
Deal found 10/8$429
This Iberia deal was found by Cheapflights users on 10/9. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/39:45 pmORD - OPO
1 stop13h 55mMultiple Airlines
Wed 12/188:20 amOPO - ORD
1 stop12h 10mMultiple Airlines
Deal found 10/9$437
This American Airlines deal was found by Cheapflights users on 10/8. 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.
Tue 11/1210:29 amORD - OPO
2 stops15h 11mAmerican Airlines
Tue 11/198:20 amOPO - ORD
1 stop12h 10mAmerican Airlines
Deal found 10/8$447
This Expedia deal was found by Cheapflights users on 10/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/104:45 pmORD - OPO
1 stop13h 00mBritish Airways
Tue 11/1910:45 amOPO - ORD
2 stops30h 14mBritish Airways
Deal found 10/8$463
This SWISS deal was found by Cheapflights users on 10/9. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/288:05 pmORD - OPO
1 stop34h 10mSWISS
Wed 11/2712:05 pmOPO - ORD
1 stop34h 10mSWISS
Deal found 10/9$488
This Delta deal was found by Cheapflights users on 10/9. 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.
Mon 10/286:20 pmORD - OPO
1 stop11h 30mDelta
Tue 11/2611:15 amOPO - ORD
1 stop33h 15mDelta
Deal found 10/9$490
This United Airlines deal was found by Cheapflights users on 10/9. 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 10/297:35 pmORD - OPO
1 stop14h 40mUnited Airlines
Wed 11/276:00 amOPO - ORD
1 stop20h 05mUnited Airlines
Deal found 10/9$491

Chicago to Portugal flights leaving soon

Find last-minute flight options from Chicago to Portugal for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,724,377 searches. Data last updated October 9, 2024.
Book one of these great deals on flights from Chicago to Portugal. Users should examine the flight details to ensure there are no surprises.
This Delta deal was found by Cheapflights users on 10/8. 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.
Tue 10/154:45 pmORD - OPO
1 stop11h 55mDelta
Tue 10/226:30 amOPO - ORD
1 stop14h 15mDelta
Deal found 10/8$571
This United deal was found by Cheapflights users on 10/8. 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.
Wed 10/161:02 pmORD - LIS
1 stop16h 08mMultiple Airlines
Thu 10/312:10 pmLIS - ORD
1 stop34h 15mMultiple Airlines
Deal found 10/8$592
This KAYAK deal was found by Cheapflights users on 10/8. 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 10/163:45 pmORD - LIS
2 stops23h 55mLufthansa
Thu 10/312:10 pmLIS - ORD
1 stop34h 15mLufthansa
Deal found 10/8$638
This Delta deal was found by Cheapflights users on 10/8. 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.
Wed 10/1610:49 amMDW - LIS
2 stops16h 01mDelta
Wed 10/235:00 amLIS - MDW
2 stops19h 29mDelta
Deal found 10/8$665
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Fri 10/189:35 pmORD - LIS
1 stop31h 00mUnited Airlines
Sat 10/269:45 amLIS - ORD
2 stops17h 38mUnited Airlines
Deal found 10/8$699
This Finnair deal was found by Cheapflights users on 10/8. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/184:35 pmORD - LIS
1 stop24h 50mFinnair
Thu 10/246:35 amLIS - ORD
1 stop13h 45mFinnair
Deal found 10/8$701
This Iberia deal was found by Cheapflights users on 10/8. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/167:10 pmORD - LIS
1 stop16h 50mBritish Airways
Wed 10/237:20 amLIS - ORD
1 stop16h 55mBritish Airways
Deal found 10/8$708
This Aeromexico deal was found by Cheapflights users on 10/9. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/163:47 pmMDW - LIS
2 stops20h 08mAir France
Sun 10/274:10 pmLIS - MDW
2 stops29h 53mAir France
Deal found 10/9$733
This Delta deal was found by Cheapflights users on 10/8. 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.
Wed 10/161:55 pmORD - LIS
2 stops18h 55mDelta
Tue 10/225:00 amLIS - ORD
1 stop15h 45mDelta
Deal found 10/8$755

One-way flights to Portugal from Chicago

Search for one-way flight options from Chicago to Portugal. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,724,377 searches. Data last updated October 9, 2024.
Take a look at some of the one-way flights we've detected from Chicago to Portugal. For those needing a return trip from Chicago, there is a search form available above.
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Tue 2/411:14 amORD - LIS
2 stops19h 41mMultiple Airlines
Deal found 10/8$226
This Combigo deal was found by Cheapflights users on 10/9. 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 Combigo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/3011:14 amORD - OPO
2 stops20h 51mMultiple Airlines
Deal found 10/9$294
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Mon 10/2110:28 pmMDW - LIS
2 stops40h 47mMultiple Airlines
Deal found 10/9$320
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Mon 10/2810:28 pmMDW - OPO
3 stops54h 12mMultiple Airlines
Deal found 10/9$331
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Mon 1/66:30 pmORD - TER
3 stops42h 25mMultiple Airlines
Deal found 10/8$341
This Mytrip deal was found by Cheapflights users on 10/9. 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 10/169:25 pmORD - LIS
1 stop14h 35mBritish Airways
Deal found 10/9$364
This American Airlines deal was found by Cheapflights users on 10/8. 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.
Mon 11/49:55 pmORD - LIS
1 stop15h 00mAmerican Airlines
Deal found 10/8$369
This Lufthansa deal was found by Cheapflights users on 10/9. 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.
Wed 10/167:15 pmORD - LIS
1 stop13h 25mSWISS
Deal found 10/9$374
This KAYAK deal was found by Cheapflights users on 10/8. 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 1/67:10 pmORD - LIS
1 stop20h 20mScandinavian Airlines
Deal found 10/8$376

Find flights from Chicago to Portugal within your budget

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 2,724,377 searches. Data last updated October 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$415 - $470

Route

Depart

Return

Price

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sun 11/10

1 stop16h 35m

Porto

Tue 11/19

1 stop25h 30m

$415

Chicago O'Hare IntlLisbon Humberto Delgado

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Mon 12/2

1 stop14h 50m

Lisbon Humberto Delgado

Wed 12/11

1 stop14h 00m

$428

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 11/12

1 stop17h 15m

Porto

Tue 11/19

1 stop12h 10m

$429

Chicago O'Hare IntlLisbon Humberto Delgado

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 11/12

1 stop15h 45m

Lisbon Humberto Delgado

Thu 11/21

1 stop14h 00m

$430

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 11/12

2 stops15h 11m

Porto

Tue 11/19

1 stop12h 10m

$447

Chicago O'Hare IntlLisbon Humberto Delgado

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 10/29

1 stop14h 15m

Lisbon Humberto Delgado

Thu 12/5

1 stop15h 09m

$448

Chicago O'Hare IntlLisbon Humberto Delgado

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 10/29

1 stop31h 10m

Lisbon Humberto Delgado

Thu 12/5

1 stop29h 59m

$465

Chicago O'Hare IntlLisbon Humberto Delgado

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 11/10

1 stop19h 50m

Lisbon Humberto Delgado

Mon 11/18

1 stop26h 00m

$470

Chicago O'Hare IntlFaro

ORD - FAO

ORDFAO

Chicago O'Hare Intl

Sun 3/16

1 stop34h 45m

Faro

Sun 3/23

2 stops34h 55m

$470

Flights are sorted by cheapest first

Deals found on 10/8

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.
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.

Travel insights for flights from Chicago to Portugal

Get recent, data-driven insights about flights from Chicago to Portugal including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Chicago to Portugal?

Currently, December is the cheapest month in which you can book a flight from Chicago to Portugal (average of $585). Flying from Chicago to Portugal in June is currently the most expensive (average of $1,185). 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 October 9, 2024.

When flying from Chicago to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 October 9, 2024.
Read reviews from past customers who have flown SWISS, Lufthansa and Delta from Chicago to Portugal. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,969 reviews

Crew

8.6

Food

7.4

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 10

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Delta
8.0
Very good
8,969 reviews
Delta
8.0
Very good
8,969 reviews

Crew

8.6

Food

7.4

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 10

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

KLM
7.8
Good
1,361 reviews
Delta
8.0
Very good
8,969 reviews

Crew

8.6

Food

7.4

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 10

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Finnair
7.7
Good
1,324 reviews
Delta
8.0
Very good
8,969 reviews

Crew

8.6

Food

7.4

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 10

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

SWISS
7.6
Good
1,667 reviews
Delta
8.0
Very good
8,969 reviews

Crew

8.6

Food

7.4

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 10

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Virgin Atlantic
7.6
Good
672 reviews
Delta
8.0
Very good
8,969 reviews

Crew

8.6

Food

7.4

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 10

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

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.

  • Can I find flights from Chicago to Portugal for under $500 on Cheapflights?

    Yes, there are multiple flights from Chicago to Portugal for under $500. The cheapest flight booked recently is on TAP AIR PORTUGAL for just $415, but on average you can expect to pay $459.

  • Are there nonstop flights from Chicago to Portugal for under $500 on Cheapflights?

    Cheapflights has at least 2 direct flights from Chicago to Portugal under $500. A good price for a nonstop flight from Chicago to Portugal is less than $815.

  • Are there last-minute flights available from Chicago to Portugal for under $600?

    There are currently 20+ open flights from Chicago to Portugal within the next 7 days for less than $600.

  • What are the cheapest airlines to fly from Chicago to Portugal one-way?

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $364. American Airlines flights start at $369 while deals on SWISS start at $374 one-way.

  • What are the most popular routes from Chicago to Portugal?

    The most popular route from Chicago to Portugal is Chicago O'Hare Intl - Lisbon Humberto Delgado. You may also consider Chicago Midway - Lisbon Humberto Delgado or Chicago O'Hare Intl - Porto.

  • What are the cheapest flights from Chicago to Portugal?

    On average you can expect to pay $1,471 for a flight from Chicago to Portugal. The cheapest flight overall is $323 while the most popular route, (Chicago O'Hare Intl - Lisbon Humberto Delgado) is currently priced at $428.

  • What does ORD to LIS mean?

    Chicago O'Hare Intl Airport is ORD and Lisbon Humberto Delgado Airport is LIS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Porto Airport (OPO), Faro Airport (FAO), Funchal Madeira Airport (FNC), Ponta Delgada Nordela Airport (PDL), Lajes Airport (TER).

  • Can I find deals for flights from Chicago to Portugal that include extra baggage allowance?

    The amount of baggage you can bring on your Chicago to Portugal flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Chicago to Portugal with specific airlines?

    Yes, Cheapflights allows you to browse and filter Chicago to Portugal flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Chicago to Portugal that include hotel bookings?

    Yes. In addition to deals on Chicago to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Portugal.

  • Can I find deals for business class flights from Chicago to Portugal?

    Yes. Cheapflights offers flight deals from Chicago 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.

  • Can I find deals for flights from Chicago to Portugal that allow pets onboard?

    Many airlines flying from Chicago to Portugal offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Chicago to Portugal?

    Yes, you can often find last-minute deals on Chicago to Portugal flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Chicago to Portugal flight deals updated?

    The Chicago to Portugal flight deals you see on this page were last updated on 10/9.

  • What is the cheapest month to book a flight from Chicago to Portugal?

    Currently, December is the cheapest month in which you can book a flight from Chicago to Portugal (average of $585). Flying from Chicago to Portugal in June is currently the most expensive (average of $1,185). 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.

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Alternative routes for Chicago to Portugal
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O'Hare Intl to Heathrow flights
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Midway to Charles de Gaulle flights
O'Hare Intl to Lisbon flights
Midway to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Krakow flights
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O'Hare Intl to Keflavik Intl flights
O'Hare Intl to Luton flights
O'Hare Intl to Copenhagen flights
O'Hare Intl to Stansted flights
O'Hare Intl to Malpensa flights
O'Hare Intl to Sabiha Gokcen flights
Midway to Dublin flights
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Midway to Madrid flights
O'Hare Intl to Vienna flights
O'Hare Intl to Linate flights
Midway to Istanbul flights
O'Hare Intl to Geneva flights
O'Hare Intl to Oslo Gardermoen flights
Midway to Lisbon flights
O'Hare Intl to Vicenza flights
Midway to Frederic Chopin flights
Midway to Athens flights
O'Hare Intl to Bruxelles-National flights
O'Hare Intl to Belgrade flights
O'Hare Intl to Prague flights
O'Hare Intl to Edinburgh flights
O'Hare Intl to Beauvais-Tille flights
Midway to Frankfurt flights
Midway to Amsterdam flights
Midway to Malpensa flights
O'Hare Intl to Florence flights
Midway to Copenhagen flights
St. Louis to Frankfurt flights