Cheap flights from San Diego to Portugal from $247
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 8/13. 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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United Airlines flights from San Diego to Portugal
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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 February. Flight prices, which tend to average around $728, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from San Diego during January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $758.
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 $999 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 $863 on momondo.
What is the cheapest airline that flies from San Diego to Portugal?
Air Canada and United Airlines are the most popular carriers operating from San Diego to Portugal
What airlines fly to Portugal?
United Airlines, British Airways and Air Canada are the top three most popular airlines that fly to Portugal from San Diego according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 9 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.
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
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?
There are 9 operators available for flights from San Diego Airport to Portugal as of July 2025.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $512 | Free Cancellation | Rating 8.0 7,975 reviews | |||
| PriceFrom $547 | Free Cancellation | Rating 6.8 7,208 reviews | |||
| PriceFrom $598 | Free Cancellation | Rating 7.0 2,818 reviews | |||
| PriceFrom $609 | Free Cancellation | Rating 7.4 8,858 reviews | |||
| PriceFrom $621 | Free Cancellation | Rating 6.6 7,089 reviews | |||
| PriceFrom $626 | Free Cancellation | Rating 7.8 1,366 reviews | |||
| PriceFrom $631 | Free Cancellation | Rating 7.3 1,414 reviews | |||
| PriceFrom $692 | Free Cancellation | Rating 7.1 9,671 reviews | |||
| PriceFrom $693 | Free Cancellation | Rating 7.2 10,000 reviews |
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.