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Cheap flights from O'Hare Intl (ORD) to Porto (OPO) from $267

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 8/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ORD — OPO
Jun 12 — Jun 191
From?
To?
Wed 6/12
Wed 6/19
1 adult, Economy
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The best prices from Chicago O'Hare Intl to Porto are usually found in January or February, booked 57 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from O'Hare Intl to Porto

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 7, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$524

One-way from

$313
High demand for flights, 28% potential price rise
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Best time to find cheap flights, 26% potential price drop
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From Chicago O'Hare Intl to Porto
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One-way flight from Chicago O'Hare Intl to Porto
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What is the cheapest day to fly round-trip from Chicago O'Hare Intl Airport to Porto?

Sunday flights are generally found to be more expensive for flights from Chicago O'Hare Intl Airport to Porto. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Porto.

What is the cheapest month to fly from Chicago O'Hare Intl Airport to Porto?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, November can be a great choice for travel to Porto. Flights to Porto from Chicago O'Hare Intl Airport in November are about $660 on average during November, but can be found for as low as $478.

What is the cheapest time of day to fly from ORD to OPO?

It’s typically best to fly out from Chicago O'Hare Intl Airport to Porto in the afternoon. Doing so could potentially save you 28% on the flight price compared to flying at noon, which is usually more expensive.

Cheap O'Hare Intl to Porto flights in June & July 2024

Find cheap flight options from O'Hare Intl to Porto specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,048,502 searches. Prices were last updated on June 7, 2024.
Listed are some of the best fares we've found on flights departing from Chicago to Porto in 2024. Check back regularly for other flight deals.
Tue 7/169:55 amORD - OPO
2 stops19h 50mAmerican Airlines
Tue 7/238:15 amOPO - ORD
1 stop12h 05mAmerican Airlines
Deal found 6/6$644
Tue 7/168:10 amORD - OPO
2 stops17h 25mAmerican Airlines
Tue 7/238:15 amOPO - ORD
2 stops17h 11mAmerican Airlines
Deal found 6/6$655
Thu 7/184:35 pmORD - OPO
1 stop17h 20mAmerican Airlines
Thu 7/258:15 amOPO - ORD
2 stops19h 10mAmerican Airlines
Deal found 6/6$698
Thu 7/1811:23 amORD - OPO
2 stops18h 22mAmerican Airlines
Thu 7/258:15 amOPO - ORD
2 stops17h 11mAmerican Airlines
Deal found 6/6$703
Wed 7/1711:23 amORD - OPO
2 stops18h 17mAmerican Airlines
Mon 7/228:15 amOPO - ORD
2 stops17h 11mAmerican Airlines
Deal found 6/6$705
Wed 7/175:15 pmORD - OPO
1 stop16h 15mDelta
Tue 7/2311:25 amOPO - ORD
1 stop32h 55mDelta
Deal found 6/6$706
Tue 7/167:15 pmORD - OPO
1 stop18h 00mBritish Airways
Thu 7/258:15 amOPO - ORD
2 stops17h 11mBritish Airways
Deal found 6/6$707
Mon 7/154:35 pmORD - OPO
1 stop33h 00mAmerican Airlines
Sun 7/2112:20 pmOPO - ORD
1 stop32h 00mAmerican Airlines
Deal found 6/6$708
Wed 7/171:31 pmORD - OPO
2 stops19h 59mDelta
Tue 7/2311:25 amOPO - ORD
1 stop32h 55mDelta
Deal found 6/6$710

O'Hare Intl to Porto 2024 flight deals

Discover exclusive flight deals for travel between O'Hare Intl and Porto in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,048,502 searches. Data last updated June 7, 2024.
Listed are some of the best fares we've found on flights departing from Chicago to Porto in 2024. Check back regularly for other flight deals.
Fri 11/19:25 pmORD - OPO
1 stop16h 35mTAP AIR PORTUGAL
Sun 11/108:55 amOPO - ORD
1 stop12h 35mTAP AIR PORTUGAL
Deal found 6/6$470
Fri 10/256:00 pmORD - OPO
1 stop16h 35mTAP AIR PORTUGAL
Wed 10/308:55 amOPO - ORD
1 stop12h 35mTAP AIR PORTUGAL
Deal found 6/6$476
Fri 11/19:25 pmORD - OPO
1 stop14h 35mTAP AIR PORTUGAL
Wed 11/66:50 amOPO - ORD
1 stop14h 40mTAP AIR PORTUGAL
Deal found 6/6$481
Fri 11/158:25 pmORD - OPO
1 stop13h 45mTAP AIR PORTUGAL
Wed 11/206:50 amOPO - ORD
1 stop14h 40mTAP AIR PORTUGAL
Deal found 6/6$482
Sun 11/104:40 pmORD - OPO
1 stop21h 20mAmerican Airlines
Tue 11/198:20 amOPO - ORD
2 stops17h 20mAmerican Airlines
Deal found 6/6$510
Wed 11/134:45 pmORD - OPO
1 stop13h 00mIberia
Mon 11/188:40 pmOPO - ORD
1 stop23h 50mIberia
Deal found 6/6$511
Wed 11/64:40 pmORD - OPO
1 stop17h 20mAmerican Airlines
Wed 12/1112:25 pmOPO - ORD
2 stops26h 39mAmerican Airlines
Deal found 6/6$512
Wed 11/1311:33 amORD - OPO
2 stops18h 12mAmerican Airlines
Mon 11/1812:25 pmOPO - ORD
1 stop32h 00mAmerican Airlines
Deal found 6/6$515
Tue 11/55:20 pmORD - OPO
1 stop11h 30mDelta
Sun 11/105:00 amOPO - ORD
1 stop15h 30mDelta
Deal found 6/6$516

O'Hare Intl to Porto flights leaving soon

Find last-minute flight options from O'Hare Intl to Porto 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 3,048,502 searches. Data last updated June 7, 2024.
Users seeking a last-minute flight from Chicago to Porto should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Tue 6/1110:27 amORD - OPO
2 stops15h 58mDelta
Sun 6/235:00 amOPO - ORD
1 stop15h 20mDelta
Deal found 6/5$830
Tue 6/111:45 pmORD - OPO
2 stops14h 55mKLM
Sun 6/239:15 amOPO - ORD
2 stops17h 43mKLM
Deal found 6/5$851
Tue 6/114:20 pmORD - OPO
1 stop12h 20mKLM
Sun 6/235:00 amOPO - ORD
1 stop15h 20mKLM
Deal found 6/5$952
Tue 6/118:45 amORD - OPO
2 stops20h 45mMultiple Airlines
Sun 6/237:10 amOPO - ORD
3 stops35h 13mMultiple Airlines
Deal found 6/5$1,133
Tue 6/112:15 pmORD - OPO
3 stops22h 20mMultiple Airlines
Sun 6/235:55 amOPO - ORD
3 stops20h 52mMultiple Airlines
Deal found 6/5$1,278

One-way flights to Porto from O'Hare Intl

Search for one-way flight options from O'Hare Intl to Porto. 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 3,048,502 searches. Data last updated June 7, 2024.
Users traveling one-way from Chicago to Porto can select one of these great deals. Those seeking round-trip flights from Chicago to Porto should utilize the search form at the the top of the page.
Tue 8/205:19 pmORD - OPO
2 stops20h 06mMultiple Airlines
Deal found 6/6$267
Sun 8/186:00 pmORD - OPO
2 stops23h 55mMultiple Airlines
Deal found 6/6$287
Tue 8/205:19 pmORD - OPO
3 stops22h 46mMultiple Airlines
Deal found 6/6$308
Mon 8/196:00 pmORD - OPO
1 stop33h 00mTAP AIR PORTUGAL
Deal found 6/6$313
Wed 7/246:00 pmORD - OPO
1 stop10h 00mTAP AIR PORTUGAL
Deal found 6/6$314
Sun 8/186:00 pmORD - OPO
1 stop10h 55mTAP AIR PORTUGAL
Deal found 6/6$315
Sat 8/106:00 pmORD - OPO
1 stop22h 30mTAP AIR PORTUGAL
Deal found 6/6$317
Sat 8/176:00 pmORD - OPO
2 stops23h 35mMultiple Airlines
Deal found 6/6$320
Wed 8/214:57 pmORD - OPO
3 stops32h 33mMultiple Airlines
Deal found 6/6$323

Find flights from O'Hare Intl to Porto within your budget

Customize your flight search to find flights from O'Hare Intl to Porto 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 3,048,502 searches. Data last updated June 7, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$470 - $556

Route

Depart

Return

Price

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Fri 11/1

1 stop16h 35m

Porto

Sun 11/10

1 stop12h 35m

$470

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sun 11/10

1 stop21h 20m

Porto

Tue 11/19

2 stops17h 20m

$510

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 11/13

1 stop13h 00m

Porto

Mon 11/18

1 stop23h 50m

$511

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 11/5

1 stop11h 30m

Porto

Sun 11/10

1 stop15h 30m

$516

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 11/13

2 stops22h 32m

Porto

Mon 11/18

2 stops17h 20m

$533

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Thu 11/7

1 stop33h 00m

Porto

Tue 11/12

1 stop23h 45m

$543

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 11/19

1 stop17h 50m

Porto

Sun 11/24

1 stop20h 05m

$549

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 11/20

1 stop15h 10m

Porto

Sun 11/24

2 stops36h 00m

$550

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 11/20

2 stops16h 50m

Porto

Sun 11/24

2 stops22h 07m

$556

Flights are sorted by cheapest first

Deals found on 6/6

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Porto?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Porto. Price data was last updated on May 31, 2024.
The best time to book flights from Chicago O'Hare Intl Airport to Porto is 57 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Porto?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Porto. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Porto flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from O'Hare Intl to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from O'Hare Intl 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.

Temperature and rainfall in Porto by month

Plan your trip to Porto by taking into account the average temperature and rainfall totals by month.

OPO

Temperature

48.2 - 68 °F

If weather is an important factor for your trip to Porto, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated June 7, 2024.
To help decide which airline to fly from Chicago to Porto, see what other customers have to say about Iberia, Delta and Lufthansa. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,363 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,363 reviews
Delta
8.0
Very good
10,363 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,483 reviews
Delta
8.0
Very good
10,363 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

SWISS
7.8
Good
1,927 reviews
Delta
8.0
Very good
10,363 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Austrian Airlines
7.7
Good
999 reviews
Delta
8.0
Very good
10,363 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air France
7.5
Good
1,718 reviews
Delta
8.0
Very good
10,363 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Chicago O'Hare Intl?

    Porto (OPO), located 6.8 mi from the city center, is the airport you fly into when you book flights from Chicago O'Hare Intl to Porto. 9 airlines have flights to Porto from Chicago O'Hare Intl on a regular basis. Booking flights from Chicago O'Hare Intl to Porto should not be difficult; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day.

  • Can I find flights from Chicago O'Hare Intl Airport to Porto for under $500 on Cheapflights?

    Yes, there are multiple flights from Chicago O'Hare Intl Airport to Porto for under $500. The cheapest flight booked recently is on TAP AIR PORTUGAL for just $470, but on average you can expect to pay $515.

  • Are there last-minute flights available from Chicago O'Hare Intl Airport to Porto for under $900?

    There are currently 5+ open flights from Chicago O'Hare Intl Airport to Porto within the next 7 days for less than $900.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Porto round-trip?

    Currently priced at $470, TAP AIR PORTUGAL will fly you from Chicago O'Hare Intl Airport to Porto and back. In addition to TAP AIR PORTUGAL, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Iberia - these airlines can fly you to your destination from $510 and $511, respectively. Users have found that TAP AIR PORTUGAL is 30% cheaper than the other options available to this destination.

  • What does ORD to OPO mean?

    ORD stands for Chicago O'Hare Intl Airport, while OPO stands for Porto Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from O'Hare Intl to Porto that include extra baggage allowance?

    The amount of baggage you can bring on your O'Hare Intl to Porto 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 O'Hare Intl to Porto with specific airlines?

    Yes, Cheapflights allows you to browse and filter O'Hare Intl to Porto 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 O'Hare Intl to Porto that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Porto.

  • Can I find deals for business class flights from O'Hare Intl to Porto?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Porto 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 O'Hare Intl to Porto that allow pets onboard?

    Many airlines flying from O'Hare Intl to Porto 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 O'Hare Intl to Porto?

    Yes, you can often find last-minute deals on O'Hare Intl to Porto 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 O'Hare Intl Airport to Porto flight deals updated?

    The Chicago O'Hare Intl Airport to Porto flight deals you see on this page were last updated on 6/6.

  • What are the most popular airlines that fly from Chicago O'Hare Intl Airport to Porto?

    Consider American Airlines, British Airways or Delta when booking your flight. These represent the most popular airlines when flying from Chicago O'Hare Intl Airport to Porto.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Porto?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Porto (average of $524). Flying from Chicago O'Hare Intl Airport to Porto in June is currently the most expensive (average of $986). 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 O'Hare Intl to Porto
See prices for flight routes from nearby airports that may be better suited for you.

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Midway to Faro flights
O'Hare Intl to Lajes flights
Midway to Ponta Delgada flights

Top 9 airlines flying from O'Hare Intl to Porto

Discover the top 9 airlines that operate flights from O'Hare Intl to Porto. 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 3,048,502 searches. Data last updated June 7, 2024.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$474Average$852FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$484Average$599FlexibilityNo cancel feeOn-time77%
DeltaCheapest$520Average$812FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$520Average$813FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$523Average$683FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$526Average$787FlexibilityNo cancel feeOn-time71%
SWISSCheapest$589Average$1,093FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$621Average$1,113FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$634Average$1,234FlexibilityNo cancel feeOn-time76%
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Search flights from O'Hare Intl to Porto by cabin class

Find flights from O'Hare Intl to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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