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Cheap flights from Chicago to Porto from $267

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Porto departing on 8/9. 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
0 bags

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Find the cheapest flights from Chicago to Porto

Cheap round-trip flights

Logo
10:40 am - 3:00 pmORD-OPO
22h 20m2 stops
Logo
5:35 pm - 7:30 pmOPO-ORD
30h 55m3 stops
$470
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mar., oct. 21 - mar., oct. 28
Logo
8:40 am - 3:00 pmORD-OPO
24h 20m2 stops
Logo
10:50 pm - 5:33 pmOPO-ORD
24h 43m2 stops
$473
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mar., sep. 30 - mar., oct. 7
TAP AIR PORTUGAL Logo
6:15 pm - 3:00 pmORD-OPO
14h 45m1 stop
TAP AIR PORTUGAL Logo
9:15 pm - 4:30 pmOPO-ORD
25h 15m1 stop
$476TAP AIR PORTUGAL
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sáb., ago. 9 - vie., ago. 22
Logo
12:00 pm - 3:00 pmORD-OPO
21h 00m2 stops
Logo
5:35 pm - 2:10 pmOPO-ORD
25h 35m2 stops
$481
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mar., oct. 21 - mar., oct. 28
Logo
12:50 pm - 6:35 pmORD-OPO
24h 45m2 stops
Logo
12:30 pm - 8:05 pmOPO-ORD
13h 35m1 stop
$483
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mié., oct. 29 - mié., nov. 5
TAP AIR PORTUGAL Logo
6:15 pm - 3:00 pmORD-OPO
14h 45m1 stop
TAP AIR PORTUGAL Logo
9:00 am - 4:30 pmOPO-ORD
13h 30m1 stop
$485TAP AIR PORTUGAL
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sáb., ago. 23 - sáb., ago. 30
United Airlines Logo
5:31 pm - 9:30 amORD-OPO
9h 59m1 stop
United Airlines Logo
12:35 pm - 8:07 pmOPO-ORD
13h 32m1 stop
$498United Airlines
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mar., nov. 11 - mar., nov. 18
Iberia Logo
3:04 pm - 11:40 amORD-OPO
14h 36m2 stops
Iberia Logo
8:40 pm - 2:30 pmOPO-ORD
23h 50m1 stop
$514Iberia
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lun., oct. 13 - mar., nov. 11
Delta Logo
10:35 am - 10:50 amORD-OPO
18h 15m2 stops
Delta Logo
6:05 am - 8:36 pmOPO-ORD
20h 31m2 stops
$546Delta
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mié., nov. 12 - mar., nov. 25
Delta Logo
2:00 pm - 3:25 pmMDW-OPO
19h 25m2 stops
Delta Logo
6:05 am - 6:36 pmOPO-MDW
18h 31m2 stops
$572Delta
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mar., nov. 25 - mar., dic. 2

KLM flights from Chicago to Porto

Our best KLM deals on Chicago to Porto flight tickets
KLM
Nov 11
ORD1:35 pmChicago O'Hare Intl
14h 55m
2 stops
OPO10:30 amPorto
Nov 18
OPO11:25 amPorto
16h 21m
2 stops
ORD9:46 pmChicago O'Hare Intl
$532
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KLM
Nov 11
MDW2:00 pmChicago Midway
14h 30m
2 stops
OPO10:30 amPorto
Nov 18
OPO6:05 amPorto
18h 02m
2 stops
MDW6:07 pmChicago Midway
$546
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KLM
Oct 21
MDW6:45 pmChicago Midway
14h 50m
2 stops
OPO3:35 pmPorto
Oct 28
OPO6:05 amPorto
20h 39m
2 stops
MDW9:44 pmChicago Midway
$905
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Lufthansa flights from Chicago to Porto

Our best Lufthansa deals on Chicago to Porto flight tickets
Lufthansa
Oct 13
ORD9:40 pmChicago O'Hare Intl
19h 40m
1 stop
OPO11:20 pmPorto
Nov 11
OPO12:30 pmPorto
13h 35m
1 stop
ORD8:05 pmChicago O'Hare Intl
$502
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Lufthansa
Nov 4
ORD10:35 pmChicago O'Hare Intl
17h 50m
1 stop
OPO10:25 pmPorto
Nov 12
OPO6:00 amPorto
13h 10m
1 stop
ORD1:10 pmChicago O'Hare Intl
$505
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Lufthansa
Nov 25
ORD4:20 pmChicago O'Hare Intl
16h 25m
1 stop
OPO2:45 pmPorto
Dec 2
OPO6:00 amPorto
13h 10m
1 stop
ORD1:10 pmChicago O'Hare Intl
$506
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See travel insights to Porto from

How to get the cheapest flight ticket from Chicago 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 November is, on average, the cheapest month to fly to Porto from Chicago, with most prices found around $529. If you aren’t able to travel during the month of November, then book flights to Porto from Chicago during February instead. Flights to Porto in February, while not as cheap as those in November, still average around $564.

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 Monday when prices can be found for as low as $708. 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 Saturday because tickets tend to average around $808. 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 Chicago to Porto when you can find flight prices for as low as $611. 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 at noon when prices are $1,018 on average. Flights to Porto from Chicago at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Porto?

You are more likely to see cheaper flights to Porto from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $686 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Chicago for as low as $622 on momondo.

When to book flights from Chicago to Porto

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

Cheap Chicago to Porto (CHI to OPO) flight deals and tips

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

Best Price Found

$267

Fastest flight time

9h 59m

Direct flights

None

Airports in Porto

1 airport
The best one-way flight to Porto from Chicago in the past 72 hours is $267. The best round-trip flight deal from Chicago to Porto found on momondo in the last 72 hours is $470.
The fastest flight from Chicago to Porto takes 9h 59m
There are no direct flights from Chicago to Porto. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - Porto Airport and Chicago Midway Airport - Porto Airport.
There is 1 airport near Porto: Porto (OPO)
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  • How far is Chicago to Porto by plane?

    A flight from Chicago to Porto will travel around 3927.7 mi. By plane, this route typically takes 9h 59m.

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

    Prices for flights from Chicago to Porto Airport refresh daily.

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

  • How old do you have to be to fly from Chicago 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 Chicago to Porto Airport.

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

    The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Chicago to Porto

Compare and see reviews for airlines that fly from Chicago to Porto with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom $415Free CancellationRating
7.1
1,914 reviews
Search TAP AIR PORTUGAL flights
American AirlinesPriceFrom $468Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $473Free CancellationRating
7.0
2,826 reviews
Search Iberia flights
DeltaPriceFrom $498Free CancellationRating
8.0
7,952 reviews
Search Delta flights
British AirwaysPriceFrom $504Free CancellationRating
6.6
7,109 reviews
Search British Airways flights
LufthansaPriceFrom $534Free CancellationRating
6.8
7,199 reviews
Search Lufthansa flights
SWISSPriceFrom $558Free CancellationRating
7.5
1,655 reviews
Search SWISS flights
KLMPriceFrom $563Free CancellationRating
7.8
1,372 reviews
Search KLM flights
United AirlinesPriceFrom $568Free CancellationRating
7.4
8,846 reviews
Search United Airlines flights
Air CanadaPriceFrom $646Free CancellationRating
7.1
9,692 reviews
Search Air Canada 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
Caminha
Braga
Guimarães
Chaves
Esposende
Arcos de Valdevez
Lamego
Espinho
Viseu
Ponte de Lima
Santa Maria da Feira
Curia
Mesao Frio
Pinhao
Penafiel
Baiao

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Porto. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Chicago to Porto flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Porto from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Chicago to Porto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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