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Cheap flights from Raleigh to Porto from $443

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Raleigh to Porto departing on 11/2. 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 Raleigh to Porto

Cheap round-trip flights

United Airlines Logo
10:36 am - 9:45 amRDU-OPO
18h 09m2 stops
United Airlines Logo
12:35 pm - 9:33 amOPO-RDU
25h 58m2 stops
$535United Airlines
Find Deal
Mon, Oct 20 - Wed, Nov 5
Multiple Airlines Logo
3:15 pm - 9:30 amRDU-OPO
13h 15m1 stop
Multiple Airlines Logo
4:15 pm - 2:05 pmOPO-RDU
26h 50m1 stop
$549Multiple Airlines
Find Deal
Wed, Nov 19 - Wed, Nov 26
Multiple Airlines Logo
1:26 pm - 11:15 amRDU-OPO
40h 49m2 stops
Multiple Airlines Logo
6:00 am - 2:08 pmOPO-RDU
37h 08m2 stops
$556Multiple Airlines
Find Deal
Tue, Feb 17 - Tue, Mar 3
Lufthansa Logo
5:14 pm - 11:40 amRDU-OPO
37h 26m2 stops
Lufthansa Logo
12:35 pm - 9:59 pmOPO-RDU
14h 24m1 stop
$594Lufthansa
Find Deal
Tue, Feb 17 - Tue, Mar 3
KLM Logo
6:30 pm - 3:25 pmRDU-OPO
15h 55m2 stops
KLM Logo
11:25 am - 4:45 pmOPO-RDU
34h 20m1 stop
$606KLM
Find Deal
Tue, Jan 27 - Tue, Feb 3
Lufthansa Logo
8:00 pm - 11:40 pmRDU-OPO
23h 40m2 stops
Lufthansa Logo
6:00 am - 11:30 pmOPO-RDU
22h 30m2 stops
$612Lufthansa
Find Deal
Fri, Oct 31 - Fri, Nov 7
KLM Logo
6:20 pm - 3:30 pmRDU-OPO
16h 10m1 stop
KLM Logo
4:20 pm - 4:10 pmOPO-RDU
28h 50m1 stop
$631KLM
Find Deal
Tue, Oct 14 - Tue, Oct 21
Delta Logo
3:59 pm - 3:25 pmRDU-OPO
19h 26m2 stops
Delta Logo
11:20 am - 10:58 pmOPO-RDU
16h 38m2 stops
$678Delta
Find Deal
Fri, Oct 31 - Fri, Nov 7
Delta Logo
6:59 pm - 3:30 pmRDU-OPO
15h 31m2 stops
Delta Logo
6:15 am - 10:58 pmOPO-RDU
21h 43m2 stops
$706Delta
Find Deal
Tue, Oct 7 - Tue, Oct 14
Air Canada Logo
1:45 pm - 11:40 amRDU-OPO
16h 55m2 stops
Air Canada Logo
9:00 am - 9:23 pmOPO-RDU
17h 23m3 stops
$785Air Canada
Find Deal
Tue, Jan 27 - Tue, Feb 3

KLM flights from Raleigh to Porto

Our best KLM deals on Raleigh to Porto flight tickets
KLM
Jan 27
RDU6:30 pmRaleigh-Durham
15h 55m
2 stops
OPO3:25 pmPorto
Feb 3
OPO11:25 amPorto
34h 20m
1 stop
RDU4:45 pmRaleigh-Durham
$606
Find similar
KLM
Oct 14
RDU6:20 pmRaleigh-Durham
16h 10m
1 stop
OPO3:30 pmPorto
Oct 21
OPO4:20 pmPorto
28h 50m
1 stop
RDU4:10 pmRaleigh-Durham
$631
Find similar
KLM
Oct 7
RDU6:20 pmRaleigh-Durham
16h 10m
1 stop
OPO3:30 pmPorto
Oct 14
OPO4:20 pmPorto
28h 50m
1 stop
RDU4:10 pmRaleigh-Durham
$686
Find similar

Lufthansa flights from Raleigh to Porto

Our best Lufthansa deals on Raleigh to Porto flight tickets
Lufthansa
Feb 17
RDU5:14 pmRaleigh-Durham
37h 26m
2 stops
OPO11:40 amPorto
Mar 3
OPO12:35 pmPorto
14h 24m
1 stop
RDU9:59 pmRaleigh-Durham
$594
Find similar
Lufthansa
Oct 31
RDU8:00 pmRaleigh-Durham
23h 40m
2 stops
OPO11:40 pmPorto
Nov 7
OPO6:00 amPorto
22h 30m
2 stops
RDU11:30 pmRaleigh-Durham
$612
Find similar
Lufthansa
Feb 7
RDU4:15 pmRaleigh-Durham
14h 25m
1 stop
OPO11:40 amPorto
Feb 21
OPO6:00 amPorto
20h 23m
2 stops
RDU9:23 pmRaleigh-Durham
$650
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 September 17, 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

Mon 10/20

10:36 am-9:45 am

2 stops18h 09m

Porto

Wed 11/5

12:35 pm-9:33 am

2 stops25h 58m

$535

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Wed 11/19

3:15 pm-9:30 am

1 stop13h 15m

Porto

Wed 11/26

4:15 pm-2:05 pm

1 stop26h 50m

$549

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 2/17

1:26 pm-11:15 am

2 stops40h 49m

Porto

Tue 3/3

6:00 am-2:08 pm

2 stops37h 08m

$556

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 2/17

5:14 pm-11:40 am

2 stops37h 26m

Porto

Tue 3/3

12:35 pm-9:59 pm

1 stop14h 24m

$594

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 1/27

6:30 pm-3:25 pm

2 stops15h 55m

Porto

Tue 2/3

11:25 am-4:45 pm

1 stop34h 20m

$606

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 10/31

8:00 pm-11:40 pm

2 stops23h 40m

Porto

Fri 11/7

6:00 am-11:30 pm

2 stops22h 30m

$612

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 10/14

6:20 pm-3:30 pm

1 stop16h 10m

Porto

Tue 10/21

4:20 pm-4:10 pm

1 stop28h 50m

$631

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Fri 10/31

3:59 pm-3:25 pm

2 stops19h 26m

Porto

Fri 11/7

11:20 am-10:58 pm

2 stops16h 38m

$678

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 10/7

6:59 pm-3:30 pm

2 stops15h 31m

Porto

Tue 10/14

6:15 am-10:58 pm

2 stops21h 43m

$706

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 1/27

1:45 pm-11:40 am

2 stops16h 55m

Porto

Tue 2/3

9:00 am-9:23 pm

3 stops17h 23m

$785

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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 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 November instead. Flights to Porto in November, while not as cheap as those in January, still average around $633.

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 $1,033 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 3% 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 9h 40m 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
10,000 reviews
Search American Airlines flights
KLMPriceFrom $609Free CancellationRating
7.8
1,386 reviews
Search KLM flights
LufthansaPriceFrom $633Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
DeltaPriceFrom $659Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $741Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Air CanadaPriceFrom $883Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
TAP AIR PORTUGALPriceFrom $887Free CancellationRating
7.1
1,977 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
Aveiro
Coimbra
Braga
Matosinhos
Caminha
Guimarães
Esposende
Lamego
Chaves
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
Pinhao
Santa Maria da Feira
Curia
Penafiel
Mesao Frio
Mira

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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