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Cheap flights from Indianapolis to Porto from $340

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Indianapolis to Porto departing on 10/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Indianapolis to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:22 pm - 9:30 am
IND
-
OPO
16h 08m
1 stop
United Airlines Logo
6:00 am - 10:03 pm
OPO
-
IND
21h 03m
2 stops
$729United Airlines
Sun, Nov 15 - Thu, Nov 19
Delta Logo
3:00 pm - 9:05 am
IND
-
OPO
13h 05m
1 stop
Delta Logo
5:00 am - 11:05 pm
OPO
-
IND
23h 05m
2 stops
$730Delta
Sun, Dec 6 - Fri, Dec 18
United Airlines Logo
3:10 pm - 9:30 am
IND
-
OPO
13h 20m
2 stops
United Airlines Logo
6:00 am - 10:03 pm
OPO
-
IND
21h 03m
2 stops
$733United Airlines
Sun, Nov 15 - Thu, Nov 19
Delta Logo
12:00 pm - 10:35 am
IND
-
OPO
17h 35m
2 stops
Delta Logo
5:00 am - 7:54 pm
OPO
-
IND
19h 54m
2 stops
$734Delta
Mon, Jan 4 - Fri, Jan 15
Delta Logo
7:45 pm - 9:05 am
IND
-
OPO
32h 20m
1 stop
Delta Logo
5:00 am - 6:59 pm
OPO
-
IND
18h 59m
2 stops
$736Delta
Sat, Dec 5 - Thu, Dec 17
United Airlines Logo
12:22 pm - 9:30 am
IND
-
OPO
16h 08m
1 stop
United Airlines Logo
12:35 pm - 11:43 pm
OPO
-
IND
16h 08m
1 stop
$738United Airlines
Sun, Nov 15 - Thu, Nov 19
Iberia Logo
9:03 pm - 8:00 pm
IND
-
OPO
17h 57m
2 stops
Iberia Logo
8:40 pm - 6:21 pm
OPO
-
IND
26h 41m
2 stops
$742Iberia
Mon, Oct 19 - Mon, Nov 2
United Airlines Logo
6:30 pm - 9:30 am
IND
-
OPO
10h 00m
1 stop
United Airlines Logo
12:35 pm - 5:50 pm
OPO
-
IND
34h 15m
2 stops
$751United Airlines
Tue, Dec 29 - Tue, Jan 12
United Airlines Logo
6:30 pm - 9:30 am
IND
-
OPO
10h 00m
1 stop
United Airlines Logo
6:00 am - 6:45 pm
OPO
-
IND
17h 45m
2 stops
$779United Airlines
Tue, Dec 1 - Sun, Dec 13
Delta Logo
3:00 pm - 9:05 am
IND
-
OPO
13h 05m
1 stop
Delta Logo
5:00 am - 5:24 pm
OPO
-
IND
17h 24m
2 stops
$780Delta
Fri, Dec 4 - Wed, Dec 16

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United Airlines flights from Indianapolis to Porto

Our best United Airlines deals on Indianapolis to Porto flight tickets
United Airlines
Nov 15
IND12:22 pmIndianapolis
16h 08m
1 stop
OPO9:30 amPorto
Nov 19
OPO6:00 amPorto
21h 03m
2 stops
IND10:03 pmIndianapolis
$729
United Airlines
Nov 15
IND3:10 pmIndianapolis
13h 20m
2 stops
OPO9:30 amPorto
Nov 19
OPO6:00 amPorto
21h 03m
2 stops
IND10:03 pmIndianapolis
$733
United Airlines
Nov 15
IND12:22 pmIndianapolis
16h 08m
1 stop
OPO9:30 amPorto
Nov 19
OPO12:35 pmPorto
16h 08m
1 stop
IND11:43 pmIndianapolis
$738

Delta flights from Indianapolis to Porto

Our best Delta deals on Indianapolis to Porto flight tickets
Delta
Dec 6
IND3:00 pmIndianapolis
13h 05m
1 stop
OPO9:05 amPorto
Dec 18
OPO5:00 amPorto
23h 05m
2 stops
IND11:05 pmIndianapolis
$730
Delta
Jan 4
IND12:00 pmIndianapolis
17h 35m
2 stops
OPO10:35 amPorto
Jan 15
OPO5:00 amPorto
19h 54m
2 stops
IND7:54 pmIndianapolis
$734
Delta
Dec 5
IND7:45 pmIndianapolis
32h 20m
1 stop
OPO9:05 amPorto
Dec 17
OPO5:00 amPorto
18h 59m
2 stops
IND6:59 pmIndianapolis
$736

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 July 19, 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

Sun 11/15

12:22 pm-9:30 am

1 stop16h 08m

Porto

Thu 11/19

6:00 am-10:03 pm

2 stops21h 03m

$729

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Sun 12/6

3:00 pm-9:05 am

1 stop13h 05m

Porto

Fri 12/18

5:00 am-11:05 pm

2 stops23h 05m

$730

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Sun 11/15

3:10 pm-9:30 am

2 stops13h 20m

Porto

Thu 11/19

6:00 am-10:03 pm

2 stops21h 03m

$733

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Mon 1/4

12:00 pm-10:35 am

2 stops17h 35m

Porto

Fri 1/15

5:00 am-7:54 pm

2 stops19h 54m

$734

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Sat 12/5

7:45 pm-9:05 am

1 stop32h 20m

Porto

Thu 12/17

5:00 am-6:59 pm

2 stops18h 59m

$736

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Sun 11/15

12:22 pm-9:30 am

1 stop16h 08m

Porto

Thu 11/19

12:35 pm-11:43 pm

1 stop16h 08m

$738

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Mon 10/19

9:03 pm-8:00 pm

2 stops17h 57m

Porto

Mon 11/2

8:40 pm-6:21 pm

2 stops26h 41m

$742

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Tue 12/29

6:30 pm-9:30 am

1 stop10h 00m

Porto

Tue 1/12

12:35 pm-5:50 pm

2 stops34h 15m

$751
Quickest round-trip

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Tue 12/1

6:30 pm-9:30 am

1 stop10h 00m

Porto

Sun 12/13

6:00 am-6:45 pm

2 stops17h 45m

$779

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Fri 12/4

3:00 pm-9:05 am

1 stop13h 05m

Porto

Wed 12/16

5:00 am-5:24 pm

2 stops17h 24m

$780

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 cheapest month to fly to Porto?

The month of January is, on average, the cheapest month to fly to Porto from Indianapolis, with most prices found around $490. If you aren’t able to travel during the month of January, then book flights to Porto from Indianapolis during February instead. Flights to Porto in February, while not as cheap as those in January, still average around $695.

Can stopping save me money on Indianapolis to Porto flights?

You could potentially save up to 45% 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

Fastest flight time

12h 03m

Direct flights

None
The fastest flight from Indianapolis to Porto takes 12h 03m
There are no direct flights from Indianapolis to Porto. There are no popular flight routes from Indianapolis to Porto.
Search flight deals

Frequently asked questions about flying from Indianapolis to Porto

  • How far is Indianapolis to Porto by plane?

    The distance between Indianapolis and Porto is about 3929.3 mi. Flights usually cover this in 12h 03m, 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
KLMPriceFrom $490Free CancellationRating
7.8
1,542 reviews
Search KLM flights

Traveling to a place near Porto?

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

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.

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