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Cheap flights from Indianapolis to Porto from $540

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Indianapolis to Porto departing on 10/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Indianapolis to Porto

Cheap round-trip flights

United Airlines Logo
4:30 pm - 9:30 amIND-OPO
13h 00m2 stops
United Airlines Logo
6:00 am - 5:54 pmOPO-IND
16h 54m2 stops
$540United Airlines
Find Deal
Mon, Oct 27 - Wed, Nov 12
United Airlines Logo
6:30 pm - 9:30 amIND-OPO
11h 00m1 stop
United Airlines Logo
12:35 pm - 7:56 pmOPO-IND
12h 21m1 stop
$543United Airlines
Find Deal
Mon, Oct 27 - Wed, Nov 12
Iberia Logo
12:46 pm - 11:45 amIND-OPO
18h 59m2 stops
Iberia Logo
8:40 pm - 8:33 pmOPO-IND
28h 53m2 stops
$558Iberia
Find Deal
Mon, Oct 27 - Wed, Nov 12
Multiple Airlines Logo
11:54 am - 9:30 amIND-OPO
16h 36m1 stop
Multiple Airlines Logo
1:45 pm - 6:44 pmOPO-IND
57h 59m2 stops
$566Multiple Airlines
Find Deal
Wed, Nov 26 - Mon, Dec 1
SWISS Logo
4:30 pm - 11:10 amIND-OPO
37h 40m2 stops
SWISS Logo
12:05 pm - 9:59 pmOPO-IND
38h 54m2 stops
$567SWISS
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Wed, Nov 26 - Mon, Dec 1
United Airlines Logo
6:34 pm - 9:30 amIND-OPO
9h 56m1 stop
United Airlines Logo
6:00 am - 11:30 pmOPO-IND
22h 30m2 stops
$590United Airlines
Find Deal
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
6:34 pm - 9:30 amIND-OPO
9h 56m1 stop
United Airlines Logo
12:35 pm - 8:35 pmOPO-IND
13h 00m1 stop
$593United Airlines
Find Deal
Wed, Feb 25 - Sun, Mar 1
Multiple Airlines Logo
5:15 am - 5:00 pmIND-OPO
31h 45m3 stops
Multiple Airlines Logo
8:05 pm - 12:32 amOPO-IND
33h 27m3 stops
$631Multiple Airlines
Find Deal
Mon, Oct 27 - Wed, Nov 12
Lufthansa Logo
6:30 pm - 9:30 amIND-OPO
11h 00m1 stop
Lufthansa Logo
6:00 am - 5:54 pmOPO-IND
16h 54m2 stops
$740Lufthansa
Find Deal
Mon, Oct 27 - Wed, Nov 12
Lufthansa Logo
6:30 pm - 9:30 amIND-OPO
11h 00m1 stop
Lufthansa Logo
12:35 pm - 7:56 pmOPO-IND
12h 21m1 stop
$743Lufthansa
Find Deal
Mon, Oct 27 - Wed, Nov 12

Lufthansa flights from Indianapolis to Porto

Our best Lufthansa deals on Indianapolis to Porto flight tickets
Lufthansa
Oct 27
IND6:30 pmIndianapolis
11h 00m
1 stop
OPO9:30 amPorto
Nov 12
OPO6:00 amPorto
16h 54m
2 stops
IND5:54 pmIndianapolis
$740
Find similar
Lufthansa
Oct 27
IND6:30 pmIndianapolis
11h 00m
1 stop
OPO9:30 amPorto
Nov 12
OPO12:35 pmPorto
12h 21m
1 stop
IND7:56 pmIndianapolis
$743
Find similar
Lufthansa
Nov 21
IND6:35 pmIndianapolis
9h 55m
1 stop
OPO9:30 amPorto
Nov 28
OPO12:30 pmPorto
34h 24m
2 stops
IND5:54 pmIndianapolis
$1,529
Find similar

United Airlines flights from Indianapolis to Porto

Our best United Airlines deals on Indianapolis to Porto flight tickets
United Airlines
Oct 27
IND4:30 pmIndianapolis
13h 00m
2 stops
OPO9:30 amPorto
Nov 12
OPO6:00 amPorto
16h 54m
2 stops
IND5:54 pmIndianapolis
$540
Find similar
United Airlines
Oct 27
IND6:30 pmIndianapolis
11h 00m
1 stop
OPO9:30 amPorto
Nov 12
OPO12:35 pmPorto
12h 21m
1 stop
IND7:56 pmIndianapolis
$543
Find similar
United Airlines
Feb 25
IND6:34 pmIndianapolis
9h 56m
1 stop
OPO9:30 amPorto
Mar 1
OPO6:00 amPorto
22h 30m
2 stops
IND11:30 pmIndianapolis
$590
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
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

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Mon 10/27

4:30 pm-9:30 am

2 stops13h 00m

Porto

Wed 11/12

6:00 am-5:54 pm

2 stops16h 54m

$540

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Mon 10/27

6:30 pm-9:30 am

1 stop11h 00m

Porto

Wed 11/12

12:35 pm-7:56 pm

1 stop12h 21m

$543

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Mon 10/27

12:46 pm-11:45 am

2 stops18h 59m

Porto

Wed 11/12

8:40 pm-8:33 pm

2 stops28h 53m

$558

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Wed 11/26

11:54 am-9:30 am

1 stop16h 36m

Porto

Mon 12/1

1:45 pm-6:44 pm

2 stops57h 59m

$566

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Wed 11/26

4:30 pm-11:10 am

2 stops37h 40m

Porto

Mon 12/1

12:05 pm-9:59 pm

2 stops38h 54m

$567

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Wed 2/25

6:34 pm-9:30 am

1 stop9h 56m

Porto

Sun 3/1

6:00 am-11:30 pm

2 stops22h 30m

$590

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Wed 2/25

6:34 pm-9:30 am

1 stop9h 56m

Porto

Sun 3/1

12:35 pm-8:35 pm

1 stop13h 00m

$593

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Mon 10/27

5:15 am-5:00 pm

3 stops31h 45m

Porto

Wed 11/12

8:05 pm-12:32 am

3 stops33h 27m

$631

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Mon 10/27

6:30 pm-9:30 am

1 stop11h 00m

Porto

Wed 11/12

6:00 am-5:54 pm

2 stops16h 54m

$740

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Mon 10/27

6:30 pm-9:30 am

1 stop11h 00m

Porto

Wed 11/12

12:35 pm-7:56 pm

1 stop12h 21m

$743

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Porto from

How to get the cheapest flight ticket from Indianapolis to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Indianapolis and Porto?

What is the cheapest month to fly to Porto?

The month of February is, on average, the cheapest month to fly to Porto from Indianapolis, with most prices found around $635. If you aren’t able to travel during the month of February, then book flights to Porto from Indianapolis during January instead. Flights to Porto in January, while not as cheap as those in February, still average around $779.

What is the cheapest day to depart on your flight to Porto?

The cheapest day to depart on your flight to Porto is on a Tuesday when prices can be found for as low as $745. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,423. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

What is the cheapest time of day to depart on your flight to Porto?

In the evening is the cheapest time of day to fly from Indianapolis to Porto when you can find flight prices for as low as $757. Flying to Porto in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,288 on average. Flights to Porto from Indianapolis in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Indianapolis to Porto flights?

You could potentially save up to 42% on your flight if you consider stops on a Indianapolis to Porto flight.

When to book flights from Indianapolis to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Indianapolis to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Indianapolis to Porto (IND to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Indianapolis to Porto

Direct flights

None
There are no direct flights from Indianapolis to Porto. There are no popular flight routes from Indianapolis to Porto.
Search flight deals

  • How far is Indianapolis to Porto by plane?

    The distance between Indianapolis and Porto is about 3929.3 mi. Flights usually cover this in 9h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Indianapolis Airport to Porto Airport?

    Prices for flights from Indianapolis Airport to Porto Airport refresh daily.

  • How many operators does momondo search for flights from Indianapolis Airport to Porto Airport?

  • How old do you have to be to fly from Indianapolis Airport to Porto Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Indianapolis Airport to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Indianapolis to Porto?

Best airlines flying from Indianapolis to Porto

Compare and see reviews for airlines that fly from Indianapolis to Porto with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $664Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Aveiro
Coimbra
Braga
Matosinhos
Caminha
Guimarães
Esposende
Lamego
Chaves
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
Pinhao
Santa Maria da Feira
Curia
Penafiel
Mesao Frio
Mira

Why use momondo?

Why should I use momondo to find a flight deal from Indianapolis to Porto?

It is quick and easy to find Indianapolis to Porto flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Porto that suits you.

Can I find flights from Indianapolis to Porto with flexible booking policies on momondo?

Flights from Indianapolis to Porto with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Indianapolis to Porto?

momondo helps you find the best flight between Indianapolis and Porto by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Indianapolis to Porto right now. Can momondo alert me if prices change?

Price alerts on flights to Porto from Indianapolis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Porto trip

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