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Cheap flights from Raleigh to Porto from $279

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 7/25. 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 Raleigh to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:25 pm - 12:05 pm
RDU
-
OPO
18h 40m
2 stops
Multiple Airlines Logo
4:15 pm - 2:45 pm
OPO
-
RDU
26h 30m
1 stop
$477Multiple Airlines
Wed, Mar 18 - Wed, Mar 25
United Airlines Logo
6:47 pm - 9:30 am
RDU
-
OPO
9h 43m
1 stop
United Airlines Logo
6:00 am - 10:08 am
OPO
-
RDU
32h 08m
2 stops
$488United Airlines
Mon, Mar 2 - Mon, Mar 9
Multiple Airlines Logo
1:25 pm - 12:05 pm
RDU
-
OPO
18h 40m
2 stops
Multiple Airlines Logo
4:15 pm - 2:45 pm
OPO
-
RDU
26h 30m
1 stop
$490Multiple Airlines
Wed, Mar 18 - Wed, Mar 25
United Airlines Logo
1:26 pm - 9:30 am
RDU
-
OPO
15h 04m
2 stops
United Airlines Logo
6:00 am - 10:08 am
OPO
-
RDU
32h 08m
2 stops
$493United Airlines
Mon, Mar 2 - Mon, Mar 9
Delta Logo
2:13 pm - 10:30 am
RDU
-
OPO
16h 17m
2 stops
Delta Logo
5:00 am - 11:32 pm
OPO
-
RDU
22h 32m
2 stops
$495Delta
Wed, Mar 18 - Wed, Mar 25
Multiple Airlines Logo
10:07 am - 7:55 am
RDU
-
OPO
40h 48m
2 stops
Multiple Airlines Logo
8:40 am - 8:43 pm
OPO
-
RDU
17h 03m
2 stops
$498Multiple Airlines
Tue, Apr 21 - Tue, May 5
United Airlines Logo
1:26 pm - 9:30 am
RDU
-
OPO
15h 04m
2 stops
United Airlines Logo
12:35 pm - 2:04 pm
OPO
-
RDU
29h 29m
3 stops
$501United Airlines
Mon, Mar 2 - Mon, Mar 9
American Airlines Logo
11:01 am - 7:40 am
RDU
-
OPO
15h 39m
2 stops
American Airlines Logo
8:20 am - 7:04 pm
OPO
-
RDU
15h 44m
2 stops
$514American Airlines
Mon, Apr 27 - Thu, May 7
British Airways Logo
8:40 pm - 8:20 pm
RDU
-
OPO
18h 40m
1 stop
British Airways Logo
12:25 pm - 10:30 am
OPO
-
RDU
27h 05m
2 stops
$523British Airways
Sun, Apr 12 - Wed, Apr 22
Iberia Logo
6:13 pm - 8:00 pm
RDU
-
OPO
20h 47m
2 stops
Iberia Logo
8:40 pm - 9:51 pm
OPO
-
RDU
29h 11m
2 stops
$526Iberia
Wed, Mar 4 - Sun, Mar 8

United Airlines flights from Raleigh to Porto

Our best United Airlines deals on Raleigh to Porto flight tickets
United Airlines
Mar 2
RDU6:47 pmRaleigh-Durham
9h 43m
1 stop
OPO9:30 amPorto
Mar 9
OPO6:00 amPorto
32h 08m
2 stops
RDU10:08 amRaleigh-Durham
$488
United Airlines
Mar 2
RDU1:26 pmRaleigh-Durham
15h 04m
2 stops
OPO9:30 amPorto
Mar 9
OPO6:00 amPorto
32h 08m
2 stops
RDU10:08 amRaleigh-Durham
$493
United Airlines
Mar 2
RDU1:26 pmRaleigh-Durham
15h 04m
2 stops
OPO9:30 amPorto
Mar 9
OPO12:35 pmPorto
29h 29m
3 stops
RDU2:04 pmRaleigh-Durham
$501

Delta flights from Raleigh to Porto

Our best Delta deals on Raleigh to Porto flight tickets
Delta
Mar 18
RDU2:13 pmRaleigh-Durham
16h 17m
2 stops
OPO10:30 amPorto
Mar 25
OPO5:00 amPorto
22h 32m
2 stops
RDU11:32 pmRaleigh-Durham
$495
Delta
Mar 23
RDU9:54 amRaleigh-Durham
20h 36m
2 stops
OPO10:30 amPorto
Mar 31
OPO5:00 amPorto
23h 32m
2 stops
RDU11:32 pmRaleigh-Durham
$531
Delta
Apr 9
RDU10:00 amRaleigh-Durham
19h 40m
2 stops
OPO10:40 amPorto
Apr 14
OPO5:00 amPorto
17h 14m
2 stops
RDU5:14 pmRaleigh-Durham
$624

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 February 3, 2026.
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

Wed 3/18

1:25 pm-12:05 pm

2 stops18h 40m

Porto

Wed 3/25

4:15 pm-2:45 pm

1 stop26h 30m

$477

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Mon 3/2

6:47 pm-9:30 am

1 stop9h 43m

Porto

Mon 3/9

6:00 am-10:08 am

2 stops32h 08m

$488

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Wed 3/18

1:25 pm-12:05 pm

2 stops18h 40m

Porto

Wed 3/25

4:15 pm-2:45 pm

1 stop26h 30m

$490

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Mon 3/2

1:26 pm-9:30 am

2 stops15h 04m

Porto

Mon 3/9

6:00 am-10:08 am

2 stops32h 08m

$493

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Wed 3/18

2:13 pm-10:30 am

2 stops16h 17m

Porto

Wed 3/25

5:00 am-11:32 pm

2 stops22h 32m

$495

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Tue 4/21

10:07 am-7:55 am

2 stops40h 48m

Porto

Tue 5/5

8:40 am-8:43 pm

2 stops17h 03m

$498

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Mon 3/2

1:26 pm-9:30 am

2 stops15h 04m

Porto

Mon 3/9

12:35 pm-2:04 pm

3 stops29h 29m

$501

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Mon 4/27

11:01 am-7:40 am

2 stops15h 39m

Porto

Thu 5/7

8:20 am-7:04 pm

2 stops15h 44m

$514

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Sun 4/12

8:40 pm-8:20 pm

1 stop18h 40m

Porto

Wed 4/22

12:25 pm-10:30 am

2 stops27h 05m

$523

RaleighPorto

RDU - OPO

RDUOPO

Raleigh-Durham

Wed 3/4

6:13 pm-8:00 pm

2 stops20h 47m

Porto

Sun 3/8

8:40 pm-9:51 pm

2 stops29h 11m

$526

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 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 $702. 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.

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 $952 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 $812 on momondo.

Can stopping save me money on Raleigh to Porto flights?

You could potentially save up to 30% 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 18m

Direct flights

None
The fastest flight from Raleigh to Porto takes 10h 18m
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 18m 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
11,213 reviews
Search American Airlines flights
DeltaPriceFrom $572Free CancellationRating
7.9
8,135 reviews
Search Delta flights
Air CanadaPriceFrom $638Free CancellationRating
7.1
10,676 reviews
Search Air Canada flights
United AirlinesPriceFrom $700Free CancellationRating
7.4
9,232 reviews
Search United Airlines flights
LufthansaPriceFrom $769Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
TAP AIR PORTUGALPriceFrom $887Free CancellationRating
7.1
2,133 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
Esposende
Lamego
Guimarães
Espinho
Chaves
Pinhao
Arcos de Valdevez
Viseu
Ponte de Lima
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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