HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$460+ Cheap flights from Indianapolis (IND) 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
IND — OPO
Jul 13 — Jul 201
Mon 7/13
Mon 7/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Indianapolis to Porto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Indianapolis to Porto

Cheapest flights from Indianapolis to Porto
Explore the most affordable flight options available from Indianapolis to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.

This Travelocity deal was found by Cheapflights users on 6/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:33 pm
IND
-
OPO
2 stops14h 07m
Iberia
Tue 9/298:40 pm
OPO
-
IND
2 stops26h 12m
Iberia
Deal found 6/12$908
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Tue 9/16:50 am
IND
-
OPO
1 stop18h 25m
United Airlines
Tue 9/1512:05 pm
OPO
-
IND
2 stops16h 35m
United Airlines
Deal found 6/8$921
This KLM deal was found by Cheapflights users on 6/12. 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 9/15:29 pm
IND
-
OPO
1 stop12h 01m
KLM
Tue 9/155:00 am
OPO
-
IND
2 stops15h 15m
KLM
Deal found 6/12$927
This KLM deal was found by Cheapflights users on 6/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:55 pm
IND
-
OPO
1 stop16h 35m
Multiple Airlines
Tue 9/151:05 pm
OPO
-
IND
1 stop32h 21m
Multiple Airlines
Deal found 6/8$929
This Air France deal was found by Cheapflights users on 6/12. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:59 pm
IND
-
OPO
1 stop16h 31m
Air France
Tue 9/151:05 pm
OPO
-
IND
1 stop12h 43m
Air France
Deal found 6/12$934
This Delta deal was found by Cheapflights users on 6/12. 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 7/1312:52 pm
IND
-
OPO
1 stop16h 38m
Delta
Wed 7/2912:40 pm
OPO
-
IND
1 stop14h 53m
Delta
Deal found 6/12$936
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 7/1312:54 pm
IND
-
OPO
1 stop13h 01m
United Airlines
Wed 7/296:00 am
OPO
-
IND
2 stops19h 13m
United Airlines
Deal found 6/11$938

Find flight deals from Indianapolis to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Indianapolis (IND) 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 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$908
(Travelocity)

One-way from

$460
(KLM)

Popular in

June

Cheapest in

January

Average price

$2,647
Provider with most accurate pricing for Indianapolis-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Indianapolis-Porto flights.
Search Deals
From Indianapolis to Porto
Search Deals
One-way flight from Indianapolis to Porto
Search Deals
Highest demand for flights based on searches. 33% potential increase in price ($626 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($127 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Indianapolis 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 June 13, 2026.
Use the filters below to find and compare flights from Indianapolis to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Tue 9/1

6:50 am-6:15 am

1 stop18h 25m

Porto

Tue 9/15

12:05 pm-11:40 pm

2 stops16h 35m

$921

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Tue 9/1

6:50 am-10:30 am

1 stop22h 40m

Porto

Tue 9/15

5:00 am-3:15 pm

2 stops15h 15m

$928

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Tue 8/11

7:00 am-7:00 am

2 stops19h 00m

Porto

Sat 8/22

11:20 am-5:54 pm

2 stops35h 34m

$948
Quickest round-trip

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Sun 7/26

3:19 pm-9:45 am

2 stops13h 26m

Porto

Sun 8/2

6:00 am-7:01 pm

2 stops18h 01m

$1,013

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Sat 7/11

6:55 pm-6:55 am

1 stop31h 00m

Porto

Sat 7/25

12:05 pm-11:44 pm

2 stops16h 39m

$1,014

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Sat 7/11

2:48 pm-3:25 pm

2 stops19h 37m

Porto

Sat 7/25

5:00 am-7:06 pm

2 stops19h 06m

$1,071
Cheapest one-way

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Sun 7/26

1:41 pm-10:25 am

2 stops15h 44m

$460

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Thu 8/20

10:32 am-8:00 am

3 stops40h 28m

$499
Quickest one-way

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Sat 7/25

5:10 pm-10:20 am

1 stop12h 10m

$520

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Sat 7/25

11:22 am-10:20 am

2 stops17h 58m

$523

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Compare providers for flights from Indianapolis to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Indianapolis to Porto in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Indianapolis-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Indianapolis-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Indianapolis-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Indianapolis-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Indianapolis-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Indianapolis to Porto

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

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

Currently, January is the cheapest month in which you can book a flight from Indianapolis to Porto (average of $490). Flying from Indianapolis to Porto in June is currently the most expensive (average of $2,647). 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.

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 13, 2026.
Peruse reviews from past customers who have flown with United Airlines from Indianapolis to Porto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,810 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,810 reviews
United Airlines
7.4
Good
9,810 reviews

Boarding

7.7

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

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

  • How long is the flight from Indianapolis to Porto?

    Airlines like United Airlines and KLM fly from Indianapolis to Porto in about 18h 25m. The time it takes to get you to your destination can typically vary by up to 4h 15m. There are 3932 mi between Indianapolis and Porto. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Indianapolis to Porto round-trip?

    United Airlines, at $695, was found to be the cheapest airline from Indianapolis to Porto.. This flight start at 44% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Indianapolis 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 Indianapolis to Porto?

    Currently, January is the cheapest month in which you can book a flight from Indianapolis to Porto (average of $490). Flying from Indianapolis to Porto in June is currently the most expensive (average of $2,647). 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
Vila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Indianapolis to Porto

Discover the top airline that operate flights from Indianapolis 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 June 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$695Average$1,238FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.