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Cheap flights from Raleigh to Porto from $669

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Raleigh to Porto departing on 11/28. 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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0 bags

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Find the cheapest flights from Raleigh to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
8:00 pm - 11:40 pmRDU-OPO
22h 40m2 stops
Lufthansa Logo
6:00 am - 9:33 pmOPO-RDU
20h 33m2 stops
$669Lufthansa
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Fri, Nov 28 - Fri, Dec 5
United Airlines Logo
5:06 pm - 9:30 amRDU-OPO
11h 24m1 stop
United Airlines Logo
12:30 pm - 2:05 pmOPO-RDU
30h 35m1 stop
$693United Airlines
Find Deal
Fri, Nov 28 - Fri, Dec 5
United Airlines Logo
3:05 pm - 9:30 amRDU-OPO
13h 25m2 stops
United Airlines Logo
12:30 pm - 2:05 pmOPO-RDU
30h 35m1 stop
$697United Airlines
Find Deal
Fri, Nov 28 - Fri, Dec 5
United Airlines Logo
3:10 pm - 11:00 amRDU-OPO
14h 50m2 stops
United Airlines Logo
12:30 pm - 2:08 pmOPO-RDU
54h 38m2 stops
$852United Airlines
Find Deal
Tue, Dec 16 - Tue, Dec 23
Lufthansa Logo
4:00 pm - 11:40 amRDU-OPO
14h 40m1 stop
Lufthansa Logo
12:30 pm - 9:13 pmOPO-RDU
37h 43m2 stops
$961Lufthansa
Find Deal
Mon, Dec 29 - Mon, Jan 5
Delta Logo
10:00 am - 10:30 amRDU-OPO
19h 30m2 stops
Delta Logo
6:00 am - 11:31 pmOPO-RDU
22h 31m2 stops
$1,002Delta
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Wed, Dec 17 - Wed, Dec 24
Lufthansa Logo
4:00 pm - 12:50 pmRDU-OPO
15h 50m2 stops
Lufthansa Logo
12:30 pm - 9:13 pmOPO-RDU
37h 43m2 stops
$1,021Lufthansa
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Mon, Dec 29 - Mon, Jan 5
SWISS Logo
1:30 pm - 6:35 pmRDU-OPO
24h 05m2 stops
SWISS Logo
7:25 pm - 9:48 pmOPO-RDU
31h 23m2 stops
$1,146SWISS
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Sat, Dec 13 - Sat, Dec 20
TAP AIR PORTUGAL Logo
6:00 am - 5:00 pmRDU-OPO
30h 00m2 stops
TAP AIR PORTUGAL Logo
6:55 am - 11:42 pmOPO-RDU
21h 47m2 stops
$1,157TAP AIR PORTUGAL
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Sat, Dec 13 - Sat, Dec 20
TAP AIR PORTUGAL Logo
6:00 am - 6:55 pmRDU-OPO
31h 55m2 stops
TAP AIR PORTUGAL Logo
6:00 pm - 11:42 pmOPO-RDU
34h 42m2 stops
$1,187TAP AIR PORTUGAL
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Sat, Dec 13 - Sat, Dec 20

Lufthansa flights from Raleigh to Porto

Our best Lufthansa deals on Raleigh to Porto flight tickets
Lufthansa
Nov 28
RDU8:00 pmRaleigh-Durham
22h 40m
2 stops
OPO11:40 pmPorto
Dec 5
OPO6:00 amPorto
20h 33m
2 stops
RDU9:33 pmRaleigh-Durham
$669
Find similar
Lufthansa
Dec 29
RDU4:00 pmRaleigh-Durham
14h 40m
1 stop
OPO11:40 amPorto
Jan 5
OPO12:30 pmPorto
37h 43m
2 stops
RDU9:13 pmRaleigh-Durham
$961
Find similar
Lufthansa
Dec 29
RDU4:00 pmRaleigh-Durham
15h 50m
2 stops
OPO12:50 pmPorto
Jan 5
OPO12:30 pmPorto
37h 43m
2 stops
RDU9:13 pmRaleigh-Durham
$1,021
Find similar

United Airlines flights from Raleigh to Porto

Our best United Airlines deals on Raleigh to Porto flight tickets
United Airlines
Nov 28
RDU5:06 pmRaleigh-Durham
11h 24m
1 stop
OPO9:30 amPorto
Dec 5
OPO12:30 pmPorto
30h 35m
1 stop
RDU2:05 pmRaleigh-Durham
$693
Find similar
United Airlines
Nov 28
RDU3:05 pmRaleigh-Durham
13h 25m
2 stops
OPO9:30 amPorto
Dec 5
OPO12:30 pmPorto
30h 35m
1 stop
RDU2:05 pmRaleigh-Durham
$697
Find similar
United Airlines
Nov 4
RDU5:36 pmRaleigh-Durham
10h 54m
1 stop
OPO9:30 amPorto
Nov 10
OPO12:30 pmPorto
38h 17m
2 stops
RDU9:47 pmRaleigh-Durham
$752
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momondo Fare Finder

 
Customize your flight search to find flights from Raleigh 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 3, 2025.
Use the filters below to find and compare flights from Raleigh to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 11/28

8:00 pm-11:40 pm

2 stops22h 40m

Porto

Fri 12/5

6:00 am-9:33 pm

2 stops20h 33m

$669

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 11/28

5:06 pm-9:30 am

1 stop11h 24m

Porto

Fri 12/5

12:30 pm-2:05 pm

1 stop30h 35m

$693

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 11/28

3:05 pm-9:30 am

2 stops13h 25m

Porto

Fri 12/5

12:30 pm-2:05 pm

1 stop30h 35m

$697

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 12/16

3:10 pm-11:00 am

2 stops14h 50m

Porto

Tue 12/23

12:30 pm-2:08 pm

2 stops54h 38m

$852

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Mon 12/29

4:00 pm-11:40 am

1 stop14h 40m

Porto

Mon 1/5

12:30 pm-9:13 pm

2 stops37h 43m

$961

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Wed 12/17

10:00 am-10:30 am

2 stops19h 30m

Porto

Wed 12/24

6:00 am-11:31 pm

2 stops22h 31m

$1,002

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Mon 12/29

4:00 pm-12:50 pm

2 stops15h 50m

Porto

Mon 1/5

12:30 pm-9:13 pm

2 stops37h 43m

$1,021

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 12/13

1:30 pm-6:35 pm

2 stops24h 05m

Porto

Sat 12/20

7:25 pm-9:48 pm

2 stops31h 23m

$1,146

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 12/13

6:00 am-5:00 pm

2 stops30h 00m

Porto

Sat 12/20

6:55 am-11:42 pm

2 stops21h 47m

$1,157

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 12/13

6:00 am-6:55 pm

2 stops31h 55m

Porto

Sat 12/20

6:00 pm-11:42 pm

2 stops34h 42m

$1,187

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 Raleigh 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 Raleigh, with most prices found around $613. If you aren’t able to travel during the month of January, then book flights to Porto from Raleigh during February instead. Flights to Porto in February, while not as cheap as those in January, still average around $650.

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 $844. 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 Friday because tickets tend to average around $1,417. 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 Raleigh to Porto when you can find flight prices for as low as $836. 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 $1,099 on average. Flights to Porto from Raleigh in the afternoon 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 Raleigh when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $1,016 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Raleigh for as low as $707 on momondo.

Can stopping save me money on Raleigh to Porto flights?

You could potentially save up to 40% on your flight if you consider stops on a Raleigh to Porto flight.

When to book flights from Raleigh to Porto

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

Cheap Raleigh to Porto (RDU to OPO) flight deals and tips

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

Direct flights

None
There are no direct flights from Raleigh to Porto. There are no popular flight routes from Raleigh to Porto.
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  • How far is Raleigh-Durham to Porto by plane?

    Raleigh-Durham and Porto are 3700.0 mi apart from one another. Typically, this will take 11h 24m by plane in normal conditions.

  • When did momondo last update prices for flights from Raleigh-Durham Airport to Porto Airport?

    Prices for flights from Raleigh-Durham Airport to Porto Airport are updated daily.

  • How many operators does momondo search for flights from Raleigh-Durham Airport to Porto Airport?

  • How old do you have to be to fly from Raleigh-Durham Airport 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 Raleigh-Durham 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 Raleigh to Porto?

Best airlines flying from Raleigh to Porto

Compare and see reviews for airlines that fly from Raleigh to Porto with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $558Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights
LufthansaPriceFrom $633Free CancellationRating
6.8
7,544 reviews
Search Lufthansa flights
Air CanadaPriceFrom $638Free CancellationRating
7.1
10,394 reviews
Search Air Canada flights
DeltaPriceFrom $650Free CancellationRating
7.9
8,001 reviews
Search Delta flights
United AirlinesPriceFrom $741Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights
TAP AIR PORTUGALPriceFrom $887Free CancellationRating
7.1
2,044 reviews
Search TAP AIR PORTUGAL 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
Braga
Matosinhos
Lamego
Esposende
Guimarães
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 Raleigh 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 Raleigh to Porto for you.

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

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

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

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

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

Of course. momondo tracks the price of Raleigh to Porto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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