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$264+ Cheap flights from Indiana to Porto (OPO)

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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
IND — OPO
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Indiana to Porto

Keep the following information in mind while searching for Indiana to Porto flight deals. Data was last updated September 16, 2025.

Round-trip from

$410
(lol.travel)

One-way from

$264
(Booking.com)

Popular in

May

Cheapest in

February

Average price

$1,152
From Indiana to Porto
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One-way flight from Indiana to Porto
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Highest demand for flights based on searches. 18% potential increase in price ($243 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($66 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Indiana to Porto

Cheapest flights from Indiana to Porto
Explore the most affordable flight options available from Indiana to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This lol.travel deal was found by Cheapflights users on 9/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2712:45 pmORD - OPO
2 stops15h 45mUnited Airlines
Wed 11/1212:35 pmOPO - ORD
1 stop13h 32mUnited Airlines
Deal found 9/14$410
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Wed 10/2910:50 pmORD - OPO
1 stop19h 50mMultiple Airlines
Wed 11/57:20 pmOPO - ORD
1 stop27h 00mMultiple Airlines
Deal found 9/14$425
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/275:45 pmORD - OPO
1 stop17h 15mAmerican Airlines
Wed 11/128:20 amOPO - ORD
1 stop12h 10mAmerican Airlines
Deal found 9/15$446
This lol.travel deal was found by Cheapflights users on 9/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/299:10 pmORD - OPO
2 stops31h 20mUnited Airlines
Wed 11/512:35 pmOPO - ORD
2 stops17h 08mUnited Airlines
Deal found 9/14$450
This oojo deal was found by Cheapflights users on 9/14. 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.
Tue 11/256:50 pmORD - OPO
1 stop34h 25mSWISS
Tue 12/212:05 pmOPO - ORD
1 stop34h 15mSWISS
Deal found 9/14$453
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 11/165:31 pmORD - OPO
1 stop9h 59mUnited Airlines
Tue 11/256:00 amOPO - ORD
1 stop13h 10mUnited Airlines
Deal found 9/13$458
This KAYAK deal was found by Cheapflights users on 9/13. 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.
Sun 11/166:50 pmORD - OPO
1 stop34h 25mSWISS
Mon 11/2412:05 pmOPO - ORD
1 stop34h 15mSWISS
Deal found 9/13$459
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/2512:45 pmORD - OPO
2 stops14h 45mUnited Airlines
Tue 12/26:00 amOPO - ORD
1 stop13h 10mUnited Airlines
Deal found 9/15$462
This Delta deal was found by Cheapflights users on 9/16. 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 11/261:14 pmMDW - OPO
2 stops15h 16mDelta
Tue 12/26:05 amOPO - MDW
2 stops17h 55mDelta
Deal found 9/16$479
This KLM deal was found by Cheapflights users on 9/14. 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.
Mon 10/271:48 pmMDW - OPO
2 stops15h 42mKLM
Wed 11/126:00 amOPO - MDW
2 stops18h 18mKLM
Deal found 9/14$484
This Delta deal was found by Cheapflights users on 9/16. 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 11/510:40 amMDW - OPO
2 stops17h 50mDelta
Sun 11/165:00 amOPO - MDW
2 stops19h 08mDelta
Deal found 9/16$542
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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.
Wed 11/57:40 pmCVG - OPO
2 stops23h 00mLufthansa
Wed 11/1212:30 pmOPO - CVG
2 stops16h 19mLufthansa
Deal found 9/14$557

Cheapflights Fare Finder

 
Customize your flight search to find flights from Indiana 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 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Indiana to Porto that are best for you.

Fly from

Indiana

Fly to

Porto

Route

Depart

Return

Price

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 10/27

3:07 pm-9:30 am

1 stop13h 23m

Porto

Wed 11/12

12:35 pm-11:43 pm

2 stops17h 08m

$436

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 11/26

4:20 pm-9:30 am

1 stop11h 10m

Porto

Tue 12/2

6:00 am-1:10 pm

1 stop13h 10m

$450

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 11/17

4:20 pm-9:30 am

1 stop11h 10m

Porto

Thu 11/27

6:00 am-8:05 pm

1 stop20h 05m

$458

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 11/17

3:07 pm-9:30 am

1 stop12h 23m

Porto

Tue 11/25

6:00 am-1:10 pm

1 stop13h 10m

$458

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sun 11/16

5:31 pm-9:30 am

1 stop9h 59m

Porto

Thu 11/27

6:00 am-1:10 pm

1 stop13h 10m

$458

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sun 11/16

5:31 pm-9:30 am

1 stop9h 59m

Porto

Wed 11/26

6:00 am-8:05 pm

1 stop20h 05m

$458

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 11/25

12:45 pm-9:30 am

2 stops14h 45m

Porto

Tue 12/2

6:00 am-1:10 pm

1 stop13h 10m

$462

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Mon 10/27

1:08 pm-10:30 am

2 stops16h 22m

Porto

Wed 11/12

11:15 am-11:32 pm

2 stops18h 17m

$479

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 11/26

10:47 am-10:30 am

2 stops17h 43m

Porto

Tue 12/2

6:05 am-6:00 pm

2 stops17h 55m

$479

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Mon 10/27

1:48 pm-10:30 am

2 stops15h 42m

Porto

Wed 11/12

6:00 am-6:18 pm

2 stops18h 18m

$484

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 37 results
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Best time to book a flight from Indiana to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Indiana 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.

Cheapflights Insights

Everything you need to know about your flight from Indiana to Porto

What is the cheapest month to book a flight from Indiana to Porto?

Currently, January is the cheapest month in which you can book a flight from Indiana to Porto (average of $523). Flying from Indiana to Porto in June is currently the most expensive (average of $1,027). 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 IN to OPO?

Find hourly flight availability from Indiana to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Indiana 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 Indiana?

    Most people fly into Porto (OPO) if they book a flight to Porto from Indiana. Porto is conveniently located just 6.8 mi from Porto’s city center.

  • How long is the flight from Indiana to Porto?

    United Airlines, Delta, and KLM can get you from Indiana to Porto in just under 13h 23m. Your travel time can differ by up to 2h 59m. Indiana and Porto are separated by a distance of 3931 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    When deciding which route to take from Indiana to Porto consider Chicago O'Hare Intl - Porto, Chicago Midway - Porto or Cincinnati Cinci./N. Kentucky - Porto as they are the most popular.

  • Can I find deals for flights from Indiana to Porto that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Indiana 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.

  • What is the cheapest month to book a flight from Indiana to Porto?

    Currently, January is the cheapest month in which you can book a flight from Indiana to Porto (average of $523). Flying from Indiana to Porto in June is currently the most expensive (average of $1,027). 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.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra

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Alternative routes for Indiana to Porto

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Top airline flying from Indiana to Porto

Discover the top airline that operate flights from Indiana 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 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$664Average$1,219FlexibilityNo cancel feeOn-time69%

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