Cheap flights from Barcelona to San Diego from $319
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Barcelona to San Diego departing on 10/3. 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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How to get the cheapest flight ticket from Barcelona to San Diego
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 Barcelona and San Diego?
What is the cheapest month to fly to San Diego?
If you are unable to visit San Diego during the month of March, then departing from Barcelona during the month January is also very affordable. Most momondo users find prices during this month for around $723.
What is the cheapest day to depart on your flight to San Diego?
The cheapest day to depart from Barcelona to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $785. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $1,346. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.
What is the cheapest time of day to depart on your flight to San Diego?
The cheapest time of day to fly to San Diego is in the morning when flights can be purchased for as low as $904. Flights in the afternoon are often more expensive with an average ticket price of $1,239.
What is the cheapest Barcelona to San Diego flight route?
Fly from Barcelona-El Prat to San Diego for the best Barcelona - San Diego flight prices
How far in advance should I book a flight to San Diego?
You are more likely to see cheaper flights to San Diego from Barcelona when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $841 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Barcelona for as low as $768 on momondo.
What cabin class options are available on Barcelona to San Diego flights?
There are 1 cabin classes available to choose from on Barcelona to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Barcelona to San Diego?
Icelandair, TAP AIR PORTUGAL, and WestJet are the most popular carriers operating from Barcelona to San Diego
What airlines fly to San Diego?
American Airlines, British Airways and United Airlines are the top three most popular airlines that fly to San Diego from Barcelona according to our data. American Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 3 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.
Cheap Barcelona to San Diego flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Barcelona to San Diego
How far is Barcelona to San Diego by plane?
There are 6024.0 mi between Barcelona and San Diego. Typically, this will take 14h 40m by plane in normal conditions.
When did momondo last update prices for flights from Barcelona to San Diego Airport?
Prices for flights from Barcelona to San Diego Airport were last updated today.
How many operators does momondo search for flights from Barcelona to San Diego Airport?
As of June 2025, there are 3 operators available to choose from for flights from Barcelona to San Diego Airport.
How old do you have to be to fly from Barcelona to San Diego Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Barcelona to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The required travel and health documents for your San Diego 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 San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Barcelona to San Diego
Compare and see reviews for airlines that fly from Barcelona to San Diego with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $618 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $732 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $778 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Barcelona to San Diego?
Finding the right flight to San Diego from Barcelona is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.
Can I find flights from Barcelona to San Diego with flexible booking policies on momondo?
momondo does allow users to show only those flights to San Diego from Barcelona which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Barcelona to San Diego?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Barcelona to San Diego.
I’m not ready to book a flight from Barcelona to San Diego right now. Can momondo alert me if prices change?
If you are simply researching potential flights to San Diego, momondo offers a useful price alert feature which will track prices for flights to San Diego from Barcelona and alert you when they change.