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Cheap flights from Indiana to Porto from $237

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Indiana to Porto departing on 1/29. 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 Indiana to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
7:10 pm - 3:05 pmORD-OPO
13h 55m1 stop
TAP AIR PORTUGAL Logo
8:55 am - 2:45 pmOPO-ORD
11h 50m1 stop
$428TAP AIR PORTUGAL
Find Deal
Wed, Dec 3 - Sun, Dec 14
TAP AIR PORTUGAL Logo
7:10 pm - 7:45 amORD-OPO
30h 35m1 stop
TAP AIR PORTUGAL Logo
8:55 am - 2:45 pmOPO-ORD
11h 50m1 stop
$444TAP AIR PORTUGAL
Find Deal
Wed, Dec 3 - Sun, Dec 7
Multiple Airlines Logo
12:50 pm - 1:15 pmORD-OPO
18h 25m2 stops
Multiple Airlines Logo
7:20 pm - 4:20 pmOPO-ORD
27h 00m1 stop
$457Multiple Airlines
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Wed, Dec 3 - Mon, Dec 8
Lufthansa Logo
10:35 pm - 10:25 pmORD-OPO
17h 50m1 stop
Lufthansa Logo
1:45 pm - 6:25 pmOPO-ORD
34h 40m1 stop
$458Lufthansa
Find Deal
Wed, Dec 3 - Mon, Dec 8
Multiple Airlines Logo
12:50 pm - 1:15 pmORD-OPO
18h 25m2 stops
Multiple Airlines Logo
7:20 pm - 11:18 amOPO-ORD
45h 58m2 stops
$459Multiple Airlines
Find Deal
Wed, Dec 3 - Mon, Dec 8
Lufthansa Logo
4:20 pm - 11:40 amORD-OPO
13h 20m1 stop
Lufthansa Logo
6:00 am - 1:10 pmOPO-ORD
13h 10m1 stop
$467Lufthansa
Find Deal
Wed, Feb 4 - Wed, Feb 11
KLM Logo
1:28 pm - 10:30 amMDW-OPO
15h 02m2 stops
KLM Logo
6:00 am - 5:32 pmOPO-MDW
17h 32m2 stops
$492KLM
Find Deal
Wed, Feb 4 - Wed, Feb 11
KLM Logo
1:28 pm - 10:30 amMDW-OPO
15h 02m2 stops
KLM Logo
6:30 am - 6:36 pmOPO-MDW
18h 06m2 stops
$542KLM
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Sun, Jan 18 - Fri, Jan 30
United Airlines Logo
11:04 am - 9:30 amIND-OPO
18h 26m2 stops
United Airlines Logo
6:00 am - 9:59 pmOPO-IND
19h 59m2 stops
$588United Airlines
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Wed, Mar 18 - Thu, Mar 26
United Airlines Logo
10:50 am - 9:30 amDAY-OPO
18h 40m2 stops
United Airlines Logo
12:00 pm - 11:29 pmOPO-DAY
16h 29m2 stops
$868United Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31

KLM flights from Indiana to Porto

Our best KLM deals on Indiana to Porto flight tickets
KLM
Jan 18
ORD12:27 pmChicago O'Hare Intl
16h 03m
2 stops
OPO10:30 amPorto
Jan 30
OPO6:30 amPorto
13h 50m
1 stop
ORD2:20 pmChicago O'Hare Intl
$482
Find similar
KLM
Feb 4
MDW1:28 pmChicago Midway
15h 02m
2 stops
OPO10:30 amPorto
Feb 11
OPO6:00 amPorto
17h 32m
2 stops
MDW5:32 pmChicago Midway
$492
Find similar
KLM
Dec 2
ORD5:20 pmChicago O'Hare Intl
11h 10m
1 stop
OPO10:30 amPorto
Dec 7
OPO11:15 amPorto
33h 05m
1 stop
ORD2:20 pmChicago O'Hare Intl
$527
Find similar

Delta flights from Indiana to Porto

Our best Delta deals on Indiana to Porto flight tickets
Delta
Jan 17
ORD2:30 pmChicago O'Hare Intl
38h 00m
2 stops
OPO10:30 amPorto
Jan 24
OPO11:15 amPorto
36h 30m
2 stops
ORD5:45 pmChicago O'Hare Intl
$547
Find similar
Delta
Dec 2
MDW12:50 pmChicago Midway
15h 40m
2 stops
OPO10:30 amPorto
Dec 7
OPO5:00 amPorto
17h 18m
2 stops
MDW4:18 pmChicago Midway
$617
Find similar
Delta
Dec 3
MDW9:34 amChicago Midway
18h 56m
2 stops
OPO10:30 amPorto
Dec 8
OPO6:30 amPorto
17h 48m
2 stops
MDW6:18 pmChicago Midway
$623
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 18, 2025.
Use the filters below to find and compare flights from Indiana to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 12/3

7:10 pm-3:05 pm

1 stop13h 55m

Porto

Sun 12/14

8:55 am-2:45 pm

1 stop11h 50m

$428

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 12/3

7:10 pm-7:45 am

1 stop30h 35m

Porto

Sun 12/7

8:55 am-2:45 pm

1 stop11h 50m

$444

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 12/3

12:50 pm-1:15 pm

2 stops18h 25m

Porto

Mon 12/8

7:20 pm-4:20 pm

1 stop27h 00m

$457

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 12/3

10:35 pm-10:25 pm

1 stop17h 50m

Porto

Mon 12/8

1:45 pm-6:25 pm

1 stop34h 40m

$458

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 12/3

12:50 pm-1:15 pm

2 stops18h 25m

Porto

Mon 12/8

7:20 pm-11:18 am

2 stops45h 58m

$459

ChicagoPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Wed 2/4

4:20 pm-11:40 am

1 stop13h 20m

Porto

Wed 2/11

6:00 am-1:10 pm

1 stop13h 10m

$467

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Wed 2/4

1:28 pm-10:30 am

2 stops15h 02m

Porto

Wed 2/11

6:00 am-5:32 pm

2 stops17h 32m

$492

ChicagoPorto

MDW - OPO

MDWOPO

Chicago Midway

Sun 1/18

1:28 pm-10:30 am

2 stops15h 02m

Porto

Fri 1/30

6:30 am-6:36 pm

2 stops18h 06m

$542

IndianapolisPorto

IND - OPO

INDOPO

Indianapolis

Wed 3/18

11:04 am-9:30 am

2 stops18h 26m

Porto

Thu 3/26

6:00 am-9:59 pm

2 stops19h 59m

$588

DaytonPorto

DAY - OPO

DAYOPO

Dayton

Fri 3/27

10:50 am-9:30 am

2 stops18h 40m

Porto

Tue 3/31

12:00 pm-11:29 pm

2 stops16h 29m

$868

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 Indiana 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 February is, on average, the cheapest month to fly to Porto from Indiana, with most prices found around $635. If you aren’t able to travel during the month of February, then book flights to Porto from Indiana during November instead. Flights to Porto in November, while not as cheap as those in February, still average around $766.

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 Indiana 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 Indiana in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Indiana to Porto flights?

You could potentially save up to 6% on your flight if you consider stops on a Indiana to Porto flight.

Cheap Indiana to Porto flight deals and tips

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

Direct flights

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

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

    Prices for flights from Indiana to Porto Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Indiana 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.

Best airlines flying from Indiana to Porto

Compare and see reviews for airlines that fly from Indiana to Porto with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $664Free CancellationRating
7.4
9,019 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
Coimbra
Aveiro
Matosinhos
Braga
Lamego
Guimarães
Esposende
Chaves
Espinho
Viseu
Ponte de Lima
Arcos de Valdevez
Pinhao
Curia
Penafiel
Mesao Frio
Mira
Baiao

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Indiana to Porto for you.

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

Yes. All flights to Porto from Indiana on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Porto from Indiana.

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

Price alerts on flights to Porto from Indiana 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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