Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from San Diego to Portugal from $301

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Portugal departing on 3/17. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Diego to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
6:00 pm - 8:10 amSAN-LIS
30h 10m2 stops
Lufthansa Logo
7:00 pm - 3:45 pmLIS-SAN
28h 45m1 stop
$417Lufthansa
Find Deal
Sat, Jan 10 - Sat, Jan 17
Multiple Airlines Logo
12:45 pm - 9:20 amSAN-LIS
36h 35m2 stops
Multiple Airlines Logo
6:10 am - 3:45 pmLIS-SAN
17h 35m1 stop
$430Multiple Airlines
Find Deal
Mon, Feb 2 - Fri, Feb 13
British Airways Logo
6:00 pm - 5:45 pmSAN-LIS
15h 45m1 stop
British Airways Logo
10:35 am - 4:10 pmLIS-SAN
37h 35m1 stop
$435British Airways
Find Deal
Sun, Jan 11 - Tue, Jan 27
United Airlines Logo
6:30 am - 9:20 amSAN-LIS
18h 50m2 stops
United Airlines Logo
11:20 am - 9:28 pmLIS-SAN
42h 08m2 stops
$439United Airlines
Find Deal
Tue, Jan 13 - Thu, Jan 22
Iberia Logo
9:24 am - 9:05 amSAN-LIS
15h 41m1 stop
Iberia Logo
8:20 am - 10:26 pmLIS-SAN
22h 06m2 stops
$442Iberia
Find Deal
Mon, Jan 12 - Thu, Jan 22
Iberia Logo
9:24 am - 9:05 amSAN-LIS
15h 41m1 stop
Iberia Logo
10:55 am - 10:58 pmLIS-SAN
20h 03m1 stop
$443Iberia
Find Deal
Mon, Jan 12 - Thu, Jan 22
British Airways Logo
4:00 pm - 5:45 pmSAN-LIS
17h 45m2 stops
British Airways Logo
11:05 am - 10:58 pmLIS-SAN
19h 53m1 stop
$446British Airways
Find Deal
Sun, Jan 11 - Tue, Jan 27
Air Canada Logo
7:00 am - 9:20 amSAN-LIS
18h 20m2 stops
Air Canada Logo
11:20 am - 10:33 pmLIS-SAN
19h 13m2 stops
$449Air Canada
Find Deal
Mon, Jan 12 - Fri, Jan 23
United Airlines Logo
8:30 am - 10:15 amSAN-LIS
17h 45m1 stop
United Airlines Logo
6:10 am - 4:45 pmLIS-SAN
17h 35m1 stop
$451United Airlines
Find Deal
Tue, Feb 24 - Tue, Mar 24
Delta Logo
6:15 am - 3:25 pmSAN-OPO
25h 10m2 stops
Delta Logo
5:00 am - 8:48 pmOPO-SAN
23h 48m2 stops
$495Delta
Find Deal
Fri, Feb 6 - Tue, Feb 10

Lufthansa flights from San Diego to Portugal

Our best Lufthansa deals on San Diego to Portugal flight tickets
Lufthansa
Jan 10
SAN6:00 pmSan Diego
30h 10m
2 stops
LIS8:10 amLisbon Humberto Delgado
Jan 17
LIS7:00 pmLisbon Humberto Delgado
28h 45m
1 stop
SAN3:45 pmSan Diego
$417
Find similar
Lufthansa
Jan 24
SAN6:00 pmSan Diego
30h 10m
2 stops
LIS8:10 amLisbon Humberto Delgado
Feb 11
LIS6:10 amLisbon Humberto Delgado
17h 35m
1 stop
SAN3:45 pmSan Diego
$452
Find similar
Lufthansa
Jan 15
SAN11:10 amSan Diego
17h 40m
2 stops
OPO12:50 pmPorto
Jan 22
OPO6:00 amPorto
23h 56m
2 stops
SAN9:56 pmSan Diego
$492
Find similar

British Airways flights from San Diego to Portugal

Our best British Airways deals on San Diego to Portugal flight tickets
British Airways
Jan 11
SAN6:00 pmSan Diego
15h 45m
1 stop
LIS5:45 pmLisbon Humberto Delgado
Jan 27
LIS10:35 amLisbon Humberto Delgado
37h 35m
1 stop
SAN4:10 pmSan Diego
$435
Find similar
British Airways
Jan 11
SAN4:00 pmSan Diego
17h 45m
2 stops
LIS5:45 pmLisbon Humberto Delgado
Jan 27
LIS11:05 amLisbon Humberto Delgado
19h 53m
1 stop
SAN10:58 pmSan Diego
$446
Find similar
British Airways
Jan 13
SAN6:00 pmSan Diego
15h 40m
1 stop
LIS5:40 pmLisbon Humberto Delgado
Jan 22
LIS10:55 amLisbon Humberto Delgado
20h 03m
1 stop
SAN10:58 pmSan Diego
$448
Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Sat 1/10

6:00 pm-8:10 am

2 stops30h 10m

Lisbon Humberto Delgado

Sat 1/17

7:00 pm-3:45 pm

1 stop28h 45m

$417

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Mon 2/2

12:45 pm-9:20 am

2 stops36h 35m

Lisbon Humberto Delgado

Fri 2/13

6:10 am-3:45 pm

1 stop17h 35m

$430

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Sun 1/11

6:00 pm-5:45 pm

1 stop15h 45m

Lisbon Humberto Delgado

Tue 1/27

10:35 am-4:10 pm

1 stop37h 35m

$435

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 1/13

6:30 am-9:20 am

2 stops18h 50m

Lisbon Humberto Delgado

Thu 1/22

11:20 am-9:28 pm

2 stops42h 08m

$439

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Mon 1/12

9:24 am-9:05 am

1 stop15h 41m

Lisbon Humberto Delgado

Thu 1/22

8:20 am-10:26 pm

2 stops22h 06m

$442

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Mon 1/12

9:24 am-9:05 am

1 stop15h 41m

Lisbon Humberto Delgado

Thu 1/22

10:55 am-10:58 pm

1 stop20h 03m

$443

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Sun 1/11

4:00 pm-5:45 pm

2 stops17h 45m

Lisbon Humberto Delgado

Tue 1/27

11:05 am-10:58 pm

1 stop19h 53m

$446

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Mon 1/12

7:00 am-9:20 am

2 stops18h 20m

Lisbon Humberto Delgado

Fri 1/23

11:20 am-10:33 pm

2 stops19h 13m

$449

San DiegoLisbon

SAN - LIS

SANLIS

San Diego

Tue 2/24

8:30 am-10:15 am

1 stop17h 45m

Lisbon Humberto Delgado

Tue 3/24

6:10 am-4:45 pm

1 stop17h 35m

$451

San DiegoPorto

SAN - OPO

SANOPO

San Diego

Fri 2/6

6:15 am-3:25 pm

2 stops25h 10m

Porto

Tue 2/10

5:00 am-8:48 pm

2 stops23h 48m

$495

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Portugal from

How to get the cheapest flight ticket from San Diego to Portugal

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 Portugal?

The cheapest month to fly to Portugal from San Diego is in November. Flight prices, which tend to average around $660, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Portugal from San Diego during February instead. Flights to Portugal in February, while not as cheap as those in November, still average around $717.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Wednesday is the cheapest day to fly to Portugal from San Diego. The lowest ticket price found for a Wednesday departure recently was $878. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $1,214.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from San Diego to Portugal during this time can be as low as $888. In the morning is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,071 per ticket.

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

You are more likely to see cheaper flights to Portugal from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $918 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from San Diego for as low as $750 on momondo.

Can stopping save me money on San Diego to Portugal flights?

You could potentially save up to 2% on your flight if you consider stops on a San Diego to Portugal flight.

Cheap San Diego to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Portugal

Fastest flight time

15h 04m

Direct flights

None
The fastest flight from San Diego to Portugal takes 15h 04m
There are no direct flights from San Diego to Portugal. There are no popular flight routes from San Diego to Portugal.
Search flight deals

  • When did momondo last update prices for flights from San Diego Airport to Portugal?

    Prices for flights from San Diego Airport to Portugal refresh daily.

  • How many operators does momondo search for flights from San Diego Airport to Portugal?

  • How old do you have to be to fly from San Diego Airport to Portugal?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The travel and health documents required for your trip to Portugal 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 Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from San Diego to Portugal

Compare and see reviews for airlines that fly from San Diego to Portugal with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $549Free CancellationRating
6.8
7,612 reviews
Search Lufthansa flights
IberiaPriceFrom $565Free CancellationRating
7.0
3,038 reviews
Search Iberia flights
Virgin AtlanticPriceFrom $565Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $586Free CancellationRating
7.9
8,011 reviews
Search Delta flights
United AirlinesPriceFrom $596Free CancellationRating
7.4
9,065 reviews
Search United Airlines flights
British AirwaysPriceFrom $599Free CancellationRating
6.7
7,557 reviews
Search British Airways flights
American AirlinesPriceFrom $621Free CancellationRating
7.2
11,046 reviews
Search American Airlines flights
KLMPriceFrom $626Free CancellationRating
7.7
1,428 reviews
Search KLM flights
Air CanadaPriceFrom $638Free CancellationRating
7.1
10,500 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Portugal?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Diego to Portugal. momondo saves you time and could save you money on your trip.

Can I find flights from San Diego to Portugal with flexible booking policies on momondo?

All flight searches from San Diego to Portugal on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego to Portugal?

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

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

Yes momondo offers price alerts on flights to Portugal from San Diego. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 1/2
Fri 1/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo
Flights to Lisbonfrom $363
Flights to Portofrom $338
Flights to Funchalfrom $415
Flights to Farofrom $385
Flights to Ponta Delgadafrom $405
Flights to Lajesfrom $446
Flights to Hortafrom $570
Flights to Pico Islandfrom $560
Flights to Porto Santofrom $580
Flights to Velasfrom $573