App
Customer Support
AED
Find Bookings
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap flight deals from Porto to Chicago Starting at AED 1,203

Discover our range of affordable one-way and round-trip flights from Porto to Chicago and kick-start your next adventure today!

  • One way
  • Round-trip
      • OPO12:40
        25h 9m
        1 stop
        ORD07:49
        Wed, Feb 26|Porto - Chicago|Azores Airlines
        AED 1,203AED 1,848
        35% OFF
        35% OFF
        AED 1,848AED 1,203

        Choose Azores Airlines flights from Porto to Chicago. The one-way connecting flight with Azores Airlines departs from Francisco Sa Carneiro International Airport on Wed, Feb 26, arriving at O'Hare International Airport. One-way Prices start from AED 1,203 including taxes and charges.

      • OPO14:10
        30h 30m
        1 stop
        ORD15:40
        Tue, Mar 11|Porto - Chicago|Azores Airlines
        AED 1,225AED 1,848
        34% OFF
        34% OFF
        AED 1,848AED 1,225

        Choose Azores Airlines flights from Porto to Chicago. The one-way connecting flight with Azores Airlines departs from Francisco Sa Carneiro International Airport on Tue, Mar 11, arriving at O'Hare International Airport. One-way Prices start from AED 1,225 including taxes and charges.

      • OPO14:10
        22h 25m
        1 stop
        MDW07:35
        Tue, Mar 18|Porto - Chicago|Azores Airlines
        AED 1,281AED 1,848
        31% OFF
        31% OFF
        AED 1,848AED 1,281

        Choose Azores Airlines flights from Porto to Chicago. The one-way connecting flight with Azores Airlines departs from Francisco Sa Carneiro International Airport on Tue, Mar 18, arriving at Midway International Airport. One-way Prices start from AED 1,281 including taxes and charges.

      • OPO12:40
        29h 30m
        1 stop
        MDW12:10
        Fri, Feb 21|Porto - Chicago|Azores Airlines
        AED 1,312
        AED 1,312

        Choose Azores Airlines flights from Porto to Chicago. The one-way connecting flight with Azores Airlines departs from Francisco Sa Carneiro International Airport on Fri, Feb 21, arriving at Midway International Airport. One-way Prices start from AED 1,312 including taxes and charges.

      • OPO12:40
        28h 20m
        1 stop
        MDW12:00
        Fri, Mar 21|Porto - Chicago|Azores Airlines
        AED 1,345
        AED 1,345

        Choose Azores Airlines flights from Porto to Chicago. The one-way connecting flight with Azores Airlines departs from Francisco Sa Carneiro International Airport on Fri, Mar 21, arriving at Midway International Airport. One-way Prices start from AED 1,345 including taxes and charges.

      • OPO14:10
        22h 25m
        1 stop
        MDW07:35
        Tue, Mar 25|Porto - Chicago|Azores Airlines
        AED 1,358
        AED 1,358

        Choose Azores Airlines flights from Porto to Chicago. The one-way connecting flight with Azores Airlines departs from Francisco Sa Carneiro International Airport on Tue, Mar 25, arriving at Midway International Airport. One-way Prices start from AED 1,358 including taxes and charges.

      • OPO12:40
        28h 20m
        1 stop
        MDW12:00
        Fri, Mar 28|Porto - Chicago|Azores Airlines
        AED 1,403
        AED 1,403

        Choose Azores Airlines flights from Porto to Chicago. The one-way connecting flight with Azores Airlines departs from Francisco Sa Carneiro International Airport on Fri, Mar 28, arriving at Midway International Airport. One-way Prices start from AED 1,403 including taxes and charges.

      • OPO08:50
        33h 20m
        1 stop
        MDW12:10
        Sun, Feb 16|Porto - Chicago|Air Transat
        AED 1,492
        AED 1,492

        Choose Air Transat flights from Porto to Chicago. The one-way connecting flight with Air Transat departs from Francisco Sa Carneiro International Airport on Sun, Feb 16, arriving at Midway International Airport. One-way Prices start from AED 1,492 including taxes and charges.

      • OPO14:10
        26h 49m
        1 stop
        ORD10:59
        Sat, Mar 1|Porto - Chicago|Azores Airlines
        AED 1,499
        AED 1,499

        Choose Azores Airlines flights from Porto to Chicago. The one-way connecting flight with Azores Airlines departs from Francisco Sa Carneiro International Airport on Sat, Mar 1, arriving at O'Hare International Airport. One-way Prices start from AED 1,499 including taxes and charges.

      • OPO08:50
        31h 30m
        1 stop
        MDW10:20
        Sun, Mar 2|Porto - Chicago|Air Transat
        AED 1,503
        AED 1,503

        Choose Air Transat flights from Porto to Chicago. The one-way connecting flight with Air Transat departs from Francisco Sa Carneiro International Airport on Sun, Mar 2, arriving at Midway International Airport. One-way Prices start from AED 1,503 including taxes and charges.

      • OPO01:00 pm
        3h 5m
        Nonstop
        CHI02:00 pm
        Thu, Feb 20|Porto - Chicago|Azores Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Porto to Chicago flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. TP1939

    TAP Air Portugal

    06:55

    OPO

    1.0h

    07:55

    LIS

    SMTWTFS
    Search

  2. TP257

    TAP Air Portugal

    10:55

    LIS

    8.3h

    14:15

    YYZ

    -M-W-FS

  3. AC509

    Air Canada

    18:35

    YYZ

    1.9h

    19:32

    ORD

    SMTWTFS

  4. TP1939

    TAP Air Portugal

    06:55

    OPO

    1.0h

    07:55

    LIS

    SMTWTFS
    Search

  5. TP257

    TAP Air Portugal

    10:55

    LIS

    8.3h

    14:15

    YYZ

    -M-W-FS

  6. UA8293

    United Airlines

    18:35

    YYZ

    1.9h

    19:30

    ORD

    SMTWTFS

  7. TP1921

    TAP Air Portugal

    08:55

    OPO

    1.1h

    10:00

    LIS

    SMTWTFS
    Search

  8. TP217

    TAP Air Portugal

    11:45

    LIS

    7.5h

    14:15

    BOS

    SMT-TFS

  9. AA2312

    American Airlines

    19:47

    BOS

    3.1h

    21:55

    ORD

    -MT----

  10. TS765

    Air Transat

    09:50

    OPO

    8.3h

    13:05

    YYZ

    ------S
    Search

  11. UA5728

    United Airlines

    21:00

    YYZ

    2.1h

    22:05

    ORD

    SMTWT-S

  12. TS765

    Air Transat

    09:50

    OPO

    8.3h

    13:05

    YYZ

    ------S
    Search

  13. UA8293

    United Airlines

    18:35

    YYZ

    1.9h

    19:30

    ORD

    SMTWTFS

  14. S4371

    Azores Airlines

    12:35

    OPO

    2.4h

    14:00

    PDL

    ----T--
    Search

  15. S4247

    Azores Airlines

    17:30

    PDL

    6.1h

    19:35

    JFK

    -M--T--

  16. WN761

    Southwest Airlines

    06:05

    LGA

    2.6h

    07:40

    MDW

    SMTWTFS

  17. S4371

    Azores Airlines

    12:35

    OPO

    2.4h

    14:00

    PDL

    ----T--
    Search

  18. S4247

    Azores Airlines

    17:30

    PDL

    6.1h

    19:35

    JFK

    -M--T--

  19. AA632

    American Airlines

    06:00

    LGA

    2.8h

    07:48

    ORD

    SMTWTFS

  20. S4273

    Azores Airlines

    14:10

    OPO

    10.8h

    19:55

    JFK

    -----F-
    Search

  21. B61105

    Jetblue Airways

    09:00

    JFK

    2.8h

    10:47

    ORD

    SMTWTFS

  22. TP1929

    TAP Air Portugal

    14:20

    OPO

    1.0h

    15:20

    LIS

    SMTWTFS
    Search

  23. TP253

    TAP Air Portugal

    18:10

    LIS

    7.6h

    20:45

    YUL

    S-T-T-S

  24. AC8959

    Air Canada

    08:20

    YUL

    2.5h

    09:52

    ORD

    SMTWTFS

  25. TP1935

    TAP Air Portugal

    22:25

    OPO

    0.9h

    23:20

    LIS

    SMTWTFS
    Search

  26. TP257

    TAP Air Portugal

    10:55

    LIS

    8.3h

    14:15

    YYZ

    -M-W-FS

  27. UA8293

    United Airlines

    18:35

    YYZ

    1.9h

    19:30

    ORD

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Porto to Chicago?

These price trend charts carefully monitor and predict how flight prices from Porto to Chicago will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Porto (OPO) to Chicago (CHI) the cheapest?

    Airlines adjust prices for flights from Porto to Chicago based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Porto (OPO) to Chicago (CHI) cost?

    According to Trip.com's data, the lowest price is around AED 3,498.

  • What is the transportation method from the main airport to downtown in Chicago?

    • The distance from O'Hare International Airport to downtown is about 25 km, by taxi about 40 minutes.
    • The distance from Midway International Airport to downtown is about 14 km, by taxi about 30 minutes.

  • How many airports are there in Chicago (CHI)?

How to find a cheap flight from Porto to Chicago

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | Porto to Chicago

Cheapest direct flight priceAED 1,202
Off-season for travelFebruary
Peak season for travelMay
Flight distance6,318.63 km
Popular airlineBritish Airways

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.