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$353+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
IND — OPO
Apr 14 — Apr 211
Tue 4/14
Tue 4/21
1 adult, Economy
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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 March 15, 2026.

This American Airlines deal was found by Cheapflights users on 3/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2012:40 pm
IND
-
OPO
2 stops14h 00m
American Airlines
Tue 5/58:20 am
OPO
-
IND
2 stops17h 53m
American Airlines
Deal found 3/13$685
This Expedia deal was found by Cheapflights users on 3/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:48 pm
IND
-
OPO
2 stops14h 57m
Iberia
Tue 5/58:20 am
OPO
-
IND
2 stops16h 53m
Iberia
Deal found 3/14$696
This Expedia deal was found by Cheapflights users on 3/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/262:03 pm
IND
-
OPO
2 stops21h 57m
Iberia
Sun 11/88:40 pm
OPO
-
IND
2 stops28h 34m
Iberia
Deal found 3/14$703
This Iberia deal was found by Cheapflights users on 3/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/271:50 pm
IND
-
OPO
2 stops16h 55m
Iberia
Mon 5/48:40 pm
OPO
-
IND
2 stops27h 00m
Iberia
Deal found 3/13$705
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Mon 4/208:30 am
IND
-
OPO
1 stop20h 15m
United Airlines
Tue 5/512:35 pm
OPO
-
IND
1 stop14h 05m
United Airlines
Deal found 3/13$752
This United Airlines deal was found by Cheapflights users on 3/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:50 pm
IND
-
OPO
2 stops15h 40m
United Airlines
Sun 11/812:30 pm
OPO
-
IND
2 stops16h 12m
United Airlines
Deal found 3/14$755
This Air France deal was found by Cheapflights users on 3/11. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:50 pm
IND
-
OPO
2 stops15h 35m
Multiple Airlines
Tue 5/55:00 am
OPO
-
IND
2 stops17h 44m
Multiple Airlines
Deal found 3/11$756
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Sun 4/197:00 am
IND
-
OPO
1 stop21h 45m
United Airlines
Tue 5/512:35 pm
OPO
-
IND
2 stops26h 52m
United Airlines
Deal found 3/11$760
This Expedia deal was found by Cheapflights users on 3/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2612:40 pm
IND
-
OPO
2 stops14h 00m
Iberia
Sun 5/38:20 am
OPO
-
IND
2 stops18h 14m
Iberia
Deal found 3/12$797
This Iberia deal was found by Cheapflights users on 3/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:40 pm
IND
-
OPO
2 stops14h 00m
Iberia
Wed 5/208:20 am
OPO
-
IND
2 stops19h 23m
Iberia
Deal found 3/14$802
This United Airlines deal was found by Cheapflights users on 3/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:47 pm
IND
-
OPO
2 stops17h 23m
United Airlines
Tue 5/512:35 pm
OPO
-
IND
1 stop12h 47m
United Airlines
Deal found 3/14$809

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 March 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$685
(American Airlines)

One-way from

$353
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,405
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
High demand for flights, 7% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 15, 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

Mon 4/20

8:30 am-9:45 am

1 stop20h 15m

Porto

Tue 5/5

12:35 pm-9:40 pm

1 stop14h 05m

$752

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Sun 4/19

7:00 am-9:45 am

1 stop21h 45m

Porto

Tue 5/5

12:35 pm-10:27 am

2 stops26h 52m

$760

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Thu 5/7

12:40 pm-7:40 am

2 stops14h 00m

Porto

Wed 5/20

8:20 am-10:43 pm

2 stops19h 23m

$802

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Tue 4/28

12:47 pm-11:10 am

2 stops17h 23m

Porto

Tue 5/5

12:35 pm-8:22 pm

1 stop12h 47m

$809

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Sat 5/9

12:40 pm-7:40 am

2 stops14h 00m

Porto

Mon 5/18

8:40 pm-6:40 pm

2 stops27h 00m

$921

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Sun 5/10

3:48 pm-11:45 am

2 stops14h 57m

Porto

Mon 5/18

8:40 pm-6:40 pm

2 stops27h 00m

$933

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Fri 4/24

9:20 pm-9:45 am

2 stops31h 25m

Porto

Fri 5/1

12:05 pm-11:59 pm

2 stops40h 54m

$953

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Thu 5/7

1:55 pm-6:30 pm

2 stops23h 35m

Porto

Fri 5/22

9:00 am-5:59 pm

1 stop13h 59m

$1,055

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Sat 4/11

6:34 pm-9:45 am

1 stop10h 11m

Porto

Sat 4/18

12:35 pm-8:33 pm

1 stop12h 58m

$1,074
Quickest round-trip

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Sat 4/25

6:34 pm-9:45 am

1 stop10h 11m

Porto

Sat 5/2

12:35 pm-8:22 pm

1 stop12h 47m

$1,100

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 17 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 December is currently the most expensive (average of $1,442). 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 March 15, 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
9,427 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,427 reviews
United Airlines
7.4
Good
9,427 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 Iberia fly from Indianapolis to Porto in about 14h. The time it takes to get you to your destination can typically vary by up to 6h 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 $664, was found to be the cheapest airline from Indianapolis to Porto.. This flight start at 40% 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 December is currently the most expensive (average of $1,442). 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

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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 March 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$664Average$1,177FlexibilityNo cancel feeOn-time69%

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