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Cheap flights from Illinois to Porto (OPO) from $279

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 6/25. 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
May 10 — May 171
From?
To?
Fri 5/10
Fri 5/17
1 adult, Economy
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What is the cheapest month to fly from Illinois to Porto?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Porto. Flights to Porto from Illinois in February are about $652 on average during February, but can be found for as low as $442.

When is the cheapest time to fly from Illinois to Porto (IL - OPO)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Porto as you normally would.

Cheap SWISS flights from Illinois to Porto

Explore cheap flight options specifically provided by SWISS for the route between Illinois and Porto. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
Check out some of the cheapest SWISS flights we've come across from Illinois to Porto. It's recommended that users confirm their flight details before booking.
Wed 7/177:15 pmORD - OPO
1 stop17h 15mSWISS
Wed 8/218:40 amOPO - ORD
1 stop33h 30mSWISS
Deal found 5/5$783
Wed 7/177:15 pmORD - OPO
2 stops16h 05mSWISS
Wed 8/218:40 amOPO - ORD
1 stop33h 30mSWISS
Deal found 5/5$793
Wed 7/177:15 pmORD - OPO
2 stops16h 05mSWISS
Wed 8/216:10 pmOPO - ORD
2 stops24h 00mSWISS
Deal found 5/5$827
Fri 5/172:20 pmORD - OPO
1 stop15h 00mSWISS
Fri 5/248:40 amOPO - ORD
1 stop13h 25mSWISS
Deal found 5/4$873
Sun 7/147:15 pmORD - OPO
2 stops16h 05mSWISS
Wed 7/248:40 amOPO - ORD
1 stop33h 30mSWISS
Deal found 5/4$908
Fri 5/172:20 pmORD - OPO
2 stops17h 25mSWISS
Fri 5/248:40 amOPO - ORD
1 stop13h 25mSWISS
Deal found 5/4$912
Mon 6/37:15 pmORD - OPO
1 stop34h 15mSWISS
Mon 6/107:15 pmOPO - ORD
1 stop22h 55mSWISS
Deal found 5/4$924
Thu 8/12:20 pmORD - OPO
1 stop14h 55mSWISS
Tue 8/138:40 amOPO - ORD
1 stop33h 30mSWISS
Deal found 5/4$929
Sun 7/147:15 pmORD - OPO
1 stop34h 05mSWISS
Wed 7/248:40 amOPO - ORD
1 stop33h 30mSWISS
Deal found 5/4$934

Cheap Air France flights from Illinois to Porto

Explore cheap flight options specifically provided by Air France for the route between Illinois and Porto. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
To aid your search, here are some of the cheapest Air France flights we've found from Illinois to Porto. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Wed 7/245:45 pmMDW - OPO
2 stops15h 45mAir France
Fri 8/97:05 pmOPO - MDW
2 stops29h 01mAir France
Deal found 5/4$793
Mon 5/65:25 pmORD - OPO
2 stops16h 05mAir France
Mon 5/134:20 pmOPO - ORD
1 stop28h 40mAir France
Deal found 5/4$794
Mon 7/152:25 pmMDW - OPO
2 stops19h 05mAir France
Wed 7/244:20 pmOPO - MDW
2 stops30h 45mAir France
Deal found 5/4$795
Sun 7/1410:11 amMDW - OPO
2 stops23h 19mAir France
Sun 7/284:20 pmOPO - MDW
2 stops30h 45mAir France
Deal found 5/4$804
Mon 5/65:15 pmORD - OPO
1 stop16h 15mAir France
Mon 5/134:20 pmOPO - ORD
1 stop28h 40mAir France
Deal found 5/4$835
Mon 5/65:25 pmORD - OPO
2 stops16h 05mAir France
Mon 5/134:20 pmOPO - ORD
2 stops30h 41mAir France
Deal found 5/4$849
Mon 7/155:15 pmORD - OPO
1 stop33h 10mAir France
Wed 7/249:15 amOPO - ORD
2 stops37h 31mAir France
Deal found 5/4$882
Mon 7/155:20 pmORD - OPO
2 stops16h 10mAir France
Wed 7/244:20 pmOPO - ORD
2 stops30h 26mAir France
Deal found 5/4$885
Fri 6/710:15 amORD - OPO
2 stops23h 15mAir France
Thu 7/114:20 pmOPO - ORD
2 stops34h 01mAir France
Deal found 5/4$894

Cheap Illinois to Porto flights in May & June 2024

Find cheap flight options from Illinois to Porto specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Prices were last updated on May 5, 2024.
These are some of the best deals we've found on flights to Porto in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Sat 5/410:55 amORD - OPO
2 stops18h 35mAir Canada
Sat 5/116:00 amOPO - ORD
2 stops20h 36mAir Canada
Deal found 5/4$730
Sun 5/55:15 pmORD - OPO
1 stop16h 15mDelta
Fri 5/1711:25 amOPO - ORD
1 stop32h 50mDelta
Deal found 5/4$735
Sat 5/43:25 pmORD - OPO
2 stops18h 05mDelta
Fri 5/1711:25 amOPO - ORD
1 stop32h 50mDelta
Deal found 5/4$739
Sat 5/45:15 pmORD - OPO
1 stop16h 15mDelta
Wed 5/154:20 pmOPO - ORD
1 stop28h 40mDelta
Deal found 5/4$744
Sun 5/55:15 pmORD - OPO
1 stop16h 15mDelta
Sat 5/115:00 amOPO - ORD
2 stops21h 55mDelta
Deal found 5/4$745
Tue 5/74:20 pmORD - OPO
1 stop12h 20mKLM
Fri 5/105:00 amOPO - ORD
1 stop15h 20mKLM
Deal found 5/5$747
Mon 5/63:25 pmORD - OPO
2 stops18h 05mDelta
Thu 5/164:20 pmOPO - ORD
1 stop28h 40mDelta
Deal found 5/4$748
Mon 5/63:25 pmORD - OPO
2 stops18h 05mDelta
Thu 5/165:00 amOPO - ORD
2 stops19h 17mDelta
Deal found 5/4$749
Tue 5/71:21 pmMDW - OPO
2 stops20h 09mDelta
Fri 5/105:00 amOPO - MDW
2 stops19h 07mDelta
Deal found 5/5$749

Illinois to Porto 2024 flight deals

Discover exclusive flight deals for travel between Illinois and Porto in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated May 5, 2024.
These are some of the best deals we've found on flights to Porto in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Wed 11/65:20 pmORD - OPO
1 stop11h 30mDelta
Wed 12/115:00 amOPO - ORD
1 stop15h 30mDelta
Deal found 5/5$515
Thu 11/2810:10 amORD - OPO
2 stops18h 40mDelta
Sun 12/811:15 amOPO - ORD
1 stop33h 15mDelta
Deal found 5/3$519
Wed 11/69:30 amORD - OPO
2 stops19h 20mDelta
Wed 12/115:00 amOPO - ORD
1 stop15h 30mDelta
Deal found 5/5$520
Wed 11/65:20 pmORD - OPO
1 stop11h 30mAir France
Thu 11/1411:45 amOPO - ORD
2 stops18h 14mAir France
Deal found 5/4$522
Wed 11/61:35 pmORD - OPO
2 stops15h 15mAir France
Thu 11/1411:45 amOPO - ORD
2 stops18h 14mAir France
Deal found 5/4$527
Sun 11/34:30 pmORD - OPO
1 stop16h 55mKLM
Sun 11/105:00 amOPO - ORD
1 stop15h 30mKLM
Deal found 5/3$528
Wed 11/69:30 amORD - OPO
2 stops19h 20mDelta
Wed 12/115:00 amOPO - ORD
2 stops21h 32mDelta
Deal found 5/5$529
Sun 12/19:35 amMDW - OPO
2 stops19h 15mDelta
Sun 12/85:00 amOPO - MDW
2 stops19h 05mDelta
Deal found 5/3$529
Mon 11/43:50 pmORD - OPO
2 stops17h 35mDelta
Sat 11/95:00 amOPO - ORD
1 stop15h 30mDelta
Deal found 5/4$533

Illinois to Porto flights leaving soon

Find last-minute flight options from Illinois 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 2,719,943 searches. Data last updated May 5, 2024.
Have a look at some of the flights available from Illinois to Porto departing last-minute. It's wise to confirm all flight details are correct before booking.
Mon 5/63:25 pmORD - OPO
2 stops18h 05mDelta
Tue 5/1411:25 amOPO - ORD
1 stop33h 20mDelta
Deal found 5/4$739
Tue 5/74:20 pmORD - OPO
1 stop12h 20mKLM
Fri 5/105:00 amOPO - ORD
1 stop15h 20mKLM
Deal found 5/5$747
Mon 5/63:25 pmORD - OPO
2 stops18h 05mDelta
Wed 5/154:20 pmOPO - ORD
1 stop28h 40mDelta
Deal found 5/4$748
Mon 5/63:25 pmORD - OPO
2 stops18h 05mDelta
Thu 5/165:00 amOPO - ORD
2 stops19h 17mDelta
Deal found 5/4$749
Tue 5/79:25 amORD - OPO
2 stops19h 15mDelta
Fri 5/105:00 amOPO - ORD
1 stop15h 20mDelta
Deal found 5/5$752
Mon 5/64:45 pmORD - OPO
1 stop23h 30mDelta
Thu 5/164:20 pmOPO - ORD
1 stop28h 40mDelta
Deal found 5/4$756
Tue 5/74:20 pmORD - OPO
1 stop23h 55mKLM
Wed 5/155:00 amOPO - ORD
2 stops17h 33mKLM
Deal found 5/4$757
Mon 5/63:25 pmORD - OPO
2 stops18h 05mDelta
Mon 5/134:20 pmOPO - ORD
2 stops30h 41mDelta
Deal found 5/4$758
Tue 5/79:25 amORD - OPO
2 stops19h 15mDelta
Fri 5/105:00 amOPO - ORD
2 stops19h 17mDelta
Deal found 5/5$762

One-way flights to Porto from Illinois

Search for one-way flight options from Illinois 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 2,719,943 searches. Data last updated May 5, 2024.
Take a look at some of the one-way flights we've detected from Illinois to Porto. Users can also find round-trip Illinois to Porto flights by using the search form above.
Tue 6/257:36 amORD - OPO
3 stops50h 34mMultiple Airlines
Deal found 5/4$279
Tue 6/257:36 pmMDW - OPO
3 stops38h 34mMultiple Airlines
Deal found 5/4$286
Tue 6/257:36 amORD - OPO
3 stops25h 39mMultiple Airlines
Deal found 5/4$335
Tue 6/257:36 amORD - OPO
2 stops33h 54mMultiple Airlines
Deal found 5/4$370
Tue 6/257:36 pmMDW - OPO
2 stops45h 54mMultiple Airlines
Deal found 5/4$383
Tue 6/257:36 amORD - OPO
2 stops33h 19mMultiple Airlines
Deal found 5/4$492
Thu 6/279:24 amORD - OPO
3 stops24h 46mMultiple Airlines
Deal found 5/4$495
Mon 7/86:00 pmORD - OPO
1 stop22h 25mTAP AIR PORTUGAL
Deal found 5/4$524
Wed 7/248:05 amSTL - OPO
2 stops16h 50mUnited Airlines
Deal found 5/4$529

Find flights from Illinois to Porto within your budget

Customize your flight search to find flights from Illinois 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 2,719,943 searches. Data last updated May 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$783 - $933

Route

Depart

Return

Price

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 7/17

1 stop17h 15m

Porto

Wed 8/21

1 stop33h 30m

$783

Chicago MidwayPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 7/24

2 stops15h 45m

Porto

Fri 8/9

2 stops29h 01m

$793

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 5/8

2 stops15h 25m

Porto

Sat 5/11

2 stops20h 36m

$834

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 6/3

1 stop16h 15m

Porto

Mon 6/10

2 stops22h 57m

$835

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 5/13

1 stop23h 30m

Porto

Wed 5/29

1 stop15h 45m

$837

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sat 5/18

2 stops18h 35m

Porto

Tue 5/28

1 stop13h 15m

$901

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 7/23

1 stop17h 20m

Porto

Fri 8/16

1 stop23h 45m

$913

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 6/10

1 stop11h 43m

Porto

Tue 6/25

1 stop13h 35m

$918

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 6/4

2 stops18h 30m

Porto

Tue 6/11

1 stop32h 00m

$933

Flights are sorted by cheapest first

Deals found on 5/5

No data available for this route at this time. Please check back soon.

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 May 5, 2024.
Read through reviews of airlines operating flights from Illinois to Porto, such as SWISS, Air France and Air Canada. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,826 reviews
Check prices

Entertainment

8.0

Food

7.4

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

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
8.1
Very good
10,826 reviews
Delta
8.1
Very good
10,826 reviews
Check prices

Entertainment

8.0

Food

7.4

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

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
1,603 reviews
Delta
8.1
Very good
10,826 reviews
Check prices

Entertainment

8.0

Food

7.4

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

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
2,015 reviews
Delta
8.1
Very good
10,826 reviews
Check prices

Entertainment

8.0

Food

7.4

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

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
7.6
Good
1,785 reviews
Delta
8.1
Very good
10,826 reviews
Check prices

Entertainment

8.0

Food

7.4

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

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.

United Airlines
7.4
Good
11,118 reviews
Delta
8.1
Very good
10,826 reviews
Check prices

Entertainment

8.0

Food

7.4

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

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 Illinois 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 Illinois?

    For a flight from Illinois to Porto, you will be flying into Porto. Porto (OPO) is just 6.8 mi from the center of the city.

  • Can I find flights from Illinois to Porto for under $800 on Cheapflights?

    Yes, there are multiple flights from Illinois to Porto for under $800. The cheapest flight booked recently is on SWISS for just $783, but on average you can expect to pay $834.

  • Are there last-minute flights available from Illinois to Porto for under $800?

    There are currently 20+ open flights from Illinois to Porto within the next 7 days for less than $800.

  • What are the cheapest airlines to fly from Illinois to Porto one-way?

    One-way options have recently been found by users for as low as $524 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include United Airlines from $529 and Air Canada from $662 one-way.

  • What are the most popular routes from Illinois to Porto?

    When deciding which route to take from Illinois to Porto consider Chicago O'Hare Intl - Porto, Chicago Midway - Porto or Lambert-St Louis - Porto as they are the most popular.

  • What are the most popular airlines that fly from Illinois to Porto?

    The most popular airlines flying from Illinois to Porto are American Airlines, British Airways and Delta. Something to consider prior to booking your flight.

  • What does ORD to OPO mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Chicago O'Hare Intl Airport to Porto Airport flight would often be abbreviated as a ORD to OPO flight. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Illinois to Porto that include extra baggage allowance?

    The amount of baggage you can bring on your Illinois 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 Illinois to Porto with specific airlines?

    Yes, Cheapflights allows you to browse and filter Illinois 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 Illinois to Porto that include hotel bookings?

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

  • How can I find direct flights from Illinois to Porto?

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

  • Can I find deals for business class flights from Illinois to Porto?

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Porto that allow pets onboard?

    Many airlines flying from Illinois 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 Illinois to Porto?

    Yes, you can often find last-minute deals on Illinois 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 Illinois to Porto flight deals updated?

    The Illinois to Porto flight deals you see on this page were last updated on 5/5.

See more FAQs

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Top 9 airlines flying from Illinois to Porto

Discover the top 9 airlines that operate flights from Illinois 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 2,719,943 searches. Data last updated May 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$433Average$726FlexibilityNo cancel feeOn-time79%
Search SWISS flights
IberiaCheapest$484Average$609FlexibilityNo cancel feeOn-time77%
Search Iberia flights
TAP AIR PORTUGALCheapest$496Average$867FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
DeltaCheapest$520Average$802FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
KLMCheapest$520Average$813FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest$523Average$692FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest$530Average$798FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$619Average$1,118FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest$643Average$1,269FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
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Search flights from Illinois to Porto by cabin class

Find flights from Illinois to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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Fly with Cheapflights

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How does Cheapflights help users find flights from Illinois to Porto?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Illinois to Porto. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Porto?

Cheapflights helps you find that perfect flight to Porto from Illinois by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Illinois to Porto with no change fees?

Yes! Cheapflights helps users easily find flights from Illinois to Porto with no change fees.

Can Cheapflights notify me if prices for flights from Illinois to Porto become cheaper?

Of course! You can now track prices for flights from Illinois to Porto and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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