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Cheap flights from Raleigh to Porto from $477

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 2/28. 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
2:50 pm - 9:30 am
RDU
-
OPO
13h 40m1 stop
Lufthansa Logo
6:00 am - 9:55 pm
OPO
-
RDU
19h 55m2 stops
$477Lufthansa
Sat, Feb 28 - Thu, Mar 12
Multiple Airlines Logo
1:25 pm - 11:40 am
RDU
-
OPO
17h 15m2 stops
Multiple Airlines Logo
12:05 pm - 9:20 pm
OPO
-
RDU
38h 15m2 stops
$480Multiple Airlines
Thu, Jan 29 - Thu, Feb 5
Multiple Airlines Logo
4:15 pm - 2:45 pm
RDU
-
OPO
17h 30m1 stop
Multiple Airlines Logo
12:05 pm - 9:20 pm
OPO
-
RDU
38h 15m2 stops
$490Multiple Airlines
Thu, Jan 29 - Thu, Feb 5
Lufthansa Logo
2:50 pm - 9:30 am
RDU
-
OPO
13h 40m1 stop
Lufthansa Logo
12:35 pm - 9:55 pm
OPO
-
RDU
13h 20m1 stop
$491Lufthansa
Sat, Feb 28 - Thu, Mar 12
Delta Logo
10:05 am - 10:30 am
RDU
-
OPO
19h 25m2 stops
Delta Logo
5:00 am - 11:40 pm
OPO
-
RDU
23h 40m2 stops
$493Delta
Tue, Feb 17 - Tue, Mar 3
United Airlines Logo
8:00 pm - 9:30 am
RDU
-
OPO
32h 30m2 stops
United Airlines Logo
12:35 pm - 11:44 pm
OPO
-
RDU
15h 09m2 stops
$499United Airlines
Fri, Feb 27 - Thu, Mar 12
Multiple Airlines Logo
1:01 pm - 10:30 am
RDU
-
OPO
16h 29m2 stops
Multiple Airlines Logo
11:25 am - 4:45 pm
OPO
-
RDU
34h 20m1 stop
$502Multiple Airlines
Tue, Feb 17 - Tue, Mar 3
Lufthansa Logo
1:29 pm - 12:50 pm
RDU
-
OPO
18h 21m2 stops
Lufthansa Logo
4:15 pm - 1:45 pm
OPO
-
RDU
26h 30m1 stop
$504Lufthansa
Fri, Jan 30 - Fri, Feb 6
American Airlines Logo
12:43 pm - 7:40 am
RDU
-
OPO
13h 57m2 stops
American Airlines Logo
8:20 am - 11:54 pm
OPO
-
RDU
19h 34m2 stops
$510American Airlines
Fri, Feb 27 - Thu, Mar 12
United Airlines Logo
2:50 pm - 2:45 pm
RDU
-
OPO
18h 55m2 stops
United Airlines Logo
12:35 pm - 2:03 pm
OPO
-
RDU
30h 28m3 stops
$519United Airlines
Tue, Feb 17 - Tue, Mar 3

Lufthansa flights from Raleigh to Porto

Our best Lufthansa deals on Raleigh to Porto flight tickets
Lufthansa
Feb 28
RDU2:50 pmRaleigh-Durham
13h 40m
1 stop
OPO9:30 amPorto
Mar 12
OPO6:00 amPorto
19h 55m
2 stops
RDU9:55 pmRaleigh-Durham
$477
Find similar
Lufthansa
Feb 28
RDU2:50 pmRaleigh-Durham
13h 40m
1 stop
OPO9:30 amPorto
Mar 12
OPO12:35 pmPorto
13h 20m
1 stop
RDU9:55 pmRaleigh-Durham
$491
Find similar
Lufthansa
Jan 30
RDU1:29 pmRaleigh-Durham
18h 21m
2 stops
OPO12:50 pmPorto
Feb 6
OPO4:15 pmPorto
26h 30m
1 stop
RDU1:45 pmRaleigh-Durham
$504
Find similar

Delta flights from Raleigh to Porto

Our best Delta deals on Raleigh to Porto flight tickets
Delta
Feb 17
RDU10:05 amRaleigh-Durham
19h 25m
2 stops
OPO10:30 amPorto
Mar 3
OPO5:00 amPorto
23h 40m
2 stops
RDU11:40 pmRaleigh-Durham
$493
Find similar
Delta
Feb 7
RDU1:00 pmRaleigh-Durham
16h 30m
2 stops
OPO10:30 amPorto
Feb 21
OPO5:00 amPorto
23h 49m
2 stops
RDU11:49 pmRaleigh-Durham
$593
Find similar
Delta
Apr 1
RDU3:33 pmRaleigh-Durham
18h 57m
2 stops
OPO3:30 pmPorto
Apr 12
OPO5:00 amPorto
23h 28m
2 stops
RDU11:28 pmRaleigh-Durham
$791
Find similar

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 December 18, 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

Sat 2/28

2:50 pm-9:30 am

1 stop13h 40m

Porto

Thu 3/12

6:00 am-9:55 pm

2 stops19h 55m

$477

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Thu 1/29

1:25 pm-11:40 am

2 stops17h 15m

Porto

Thu 2/5

12:05 pm-9:20 pm

2 stops38h 15m

$480

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Thu 1/29

4:15 pm-2:45 pm

1 stop17h 30m

Porto

Thu 2/5

12:05 pm-9:20 pm

2 stops38h 15m

$490

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sat 2/28

2:50 pm-9:30 am

1 stop13h 40m

Porto

Thu 3/12

12:35 pm-9:55 pm

1 stop13h 20m

$491

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 2/17

10:05 am-10:30 am

2 stops19h 25m

Porto

Tue 3/3

5:00 am-11:40 pm

2 stops23h 40m

$493

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 2/27

8:00 pm-9:30 am

2 stops32h 30m

Porto

Thu 3/12

12:35 pm-11:44 pm

2 stops15h 09m

$499

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 2/17

1:01 pm-10:30 am

2 stops16h 29m

Porto

Tue 3/3

11:25 am-4:45 pm

1 stop34h 20m

$502

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 1/30

1:29 pm-12:50 pm

2 stops18h 21m

Porto

Fri 2/6

4:15 pm-1:45 pm

1 stop26h 30m

$504

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 2/27

12:43 pm-7:40 am

2 stops13h 57m

Porto

Thu 3/12

8:20 am-11:54 pm

2 stops19h 34m

$510

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 2/17

2:50 pm-2:45 pm

2 stops18h 55m

Porto

Tue 3/3

12:35 pm-2:03 pm

3 stops30h 28m

$519

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 typical price of a round-trip flight between Raleigh 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 Raleigh, with most prices found around $642. If you aren’t able to travel during the month of February, then book flights to Porto from Raleigh during December instead. Flights to Porto in December, while not as cheap as those in February, still average around $709.

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 $972 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 5% 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

Fastest flight time

10h 34m

Direct flights

None
The fastest flight from Raleigh to Porto takes 10h 34m
There are no direct flights from Raleigh to Porto. There are no popular flight routes from Raleigh to Porto.
Search flight deals

  • 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 10h 34m 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
11,053 reviews
Search American Airlines flights
Air CanadaPriceFrom $638Free CancellationRating
7.1
10,534 reviews
Search Air Canada flights
DeltaPriceFrom $650Free CancellationRating
7.9
8,005 reviews
Search Delta flights
United AirlinesPriceFrom $741Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
TAP AIR PORTUGALPriceFrom $887Free CancellationRating
7.2
2,091 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
Braga
Aveiro
Matosinhos
Guimarães
Esposende
Lamego
Chaves
Viseu
Espinho
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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