What airlines fly to San Diego?

Alaska Airlines, Southwest and Frontier are the top three most popular airlines that fly to San Diego from Portland according to our data. Alaska Airlines is the first choice among our users, with 72% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 8 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

How many flights depart from Portland to San Diego on average per week?

The number of flights available between Portland and San Diego is 65 per week as of January 2026. The most frequent departure day is Fri, with 22% of weekly flights leaving on this day.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

What is the cheapest airline that flies from Portland to San Diego?

Alaska Airlines and United Airlines are the most popular carriers operating from Portland to San Diego

Which airline has the best punctuality record on Portland to San Diego flights?

According to our data, Alaska Airlines have had the least number of delays on this route over the last 12 months; with about 12% of their flights experiencing any sort of delay.

Which layover airport has the shortest connection time from Portland to San Diego?

San Jose (SJC) has the shortest average layover time for this route: 1h 18m.

Which airport is the most popular layover for flights between Portland and San Diego?

Las Vegas (LAS) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

How many flights depart from Portland to San Diego on average per day?

9 flights are operational daily from Portland to San Diego as of January 2026. The most popular departure time for this route is 5:00PM, with 53% of flights per day taking off in the afternoon.

What is the most punctual flight time for Portland to San Diego flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

How often are flights from Portland to San Diego delayed?

Historically, on average around 12% of flights between Portland and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 106 minutes.

Which layover airport offers the lowest fares from Portland to San Diego?

Flights via Phoenix (PHX) offer the lowest average round-trip price of $145.

Which layover airport has the shortest travel time from Portland to San Diego?

Flights connecting via Las Vegas (LAS) have the shortest average one-way travel time: 4h 59m.

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

Prices for flights from Portland Airport to San Diego Airport are refreshed on a daily basis.

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

As of January 2026, there are 7 operators available to choose from for flights from Portland Airport to San Diego Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport 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.

$98 Cheap Flights from Portland to San Diego in 2026

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Find the cheapest flights from Portland to San Diego

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 am - 3:46 pm

PDX

SAN

7h 16m

1 stop

4:42 pm - 9:38 pm

SAN

PDX

4h 56m

1 stop

$163Hawaiian Airlines

Wed, Mar 11 - Wed, Mar 18

2:35 pm - 7:55 pm

PDX

SAN

5h 20m

1 stop

8:00 am - 1:30 pm

SAN

PDX

5h 30m

1 stop

$164Hawaiian Airlines

Tue, Feb 24 - Sat, Feb 28

6:00 am - 10:55 am

PDX

SAN

4h 55m

1 stop

11:05 am - 1:45 pm

SAN

PDX

2h 40mnonstop

$167Southwest

Tue, Mar 3 - Sat, Mar 7

12:27 pm - 8:04 pm

PDX

SAN

7h 37m

1 stop

5:01 pm - 9:53 pm

SAN

PDX

4h 52m

1 stop

$169Multiple Airlines

Sat, May 2 - Sat, May 9

11:48 am - 8:34 am

PDX

SAN

20h 46m

1 stop

11:42 am - 11:03 am

SAN

PDX

23h 21m

1 stop

$171Frontier

Thu, Apr 23 - Sat, Apr 25

2:30 pm - 4:55 pm

PDX

SAN

2h 25mnonstop

6:00 pm - 12:55 am

SAN

PDX

6h 55m

2 stops

$172Southwest

Sat, Mar 7 - Sat, Mar 7

2:30 pm - 4:55 pm

PDX

SAN

2h 25mnonstop

6:00 pm - 12:55 am

SAN

PDX

6h 55m

2 stops

$173Southwest

Wed, Apr 1 - Sat, Apr 4

2:30 pm - 4:55 pm

PDX

SAN

2h 25mnonstop

6:20 pm - 10:25 pm

SAN

PDX

4h 05m

1 stop

$174Southwest

Sat, Mar 7 - Mon, Mar 9

1:27 pm - 5:50 pm

PDX

SAN

4h 23m

1 stop

7:30 am - 1:09 pm

SAN

PDX

5h 39m

1 stop

$177Delta

Tue, Mar 3 - Sat, Mar 14

12:04 pm - 8:33 pm

PDX

SAN

8h 29m

1 stop

6:03 pm - 8:50 pm

SAN

PDX

2h 47mnonstop

$178Multiple Airlines

Mon, Mar 9 - Sat, Mar 14

Hawaiian Airlines flights from Portland to San Diego

Our best Hawaiian Airlines deals on Portland to San Diego flight tickets

Hawaiian Airlines

Mar 11

PDX8:30 amPortland

7h 16m

1 stop

SAN3:46 pmSan Diego

Mar 18

SAN4:42 pmSan Diego

4h 56m

1 stop

PDX9:38 pmPortland

$163

Hawaiian Airlines

Feb 24

PDX2:35 pmPortland

5h 20m

1 stop

SAN7:55 pmSan Diego

Feb 28

SAN8:00 amSan Diego

5h 30m

1 stop

PDX1:30 pmPortland

$164

Hawaiian Airlines

Feb 24

PDX5:35 pmPortland

2h 37m

SAN8:12 pmSan Diego

Feb 28

SAN6:03 pmSan Diego

2h 47m

PDX8:50 pmPortland

$181

Alaska Airlines flights from Portland to San Diego

Our best Alaska Airlines deals on Portland to San Diego flight tickets

Alaska Airlines

Mar 3

PDX9:00 amPortland

7h 20m

1 stop

SAN4:20 pmSan Diego

Mar 14

SAN7:00 amSan Diego

2h 50m

PDX9:50 amPortland

$167

Alaska Airlines

Mar 8

PDX9:26 pmPortland

2h 33m

SAN11:59 pmSan Diego

Mar 10

SAN10:15 amSan Diego

6h 20m

1 stop

PDX4:35 pmPortland

$187

Alaska Airlines

Mar 28

PDX5:32 pmPortland

2h 39m

SAN8:11 pmSan Diego

Apr 4

SAN8:42 amSan Diego

11h 10m

1 stop

PDX7:52 pmPortland

$200

Fly from

Fly to

Route

Depart

Return

Price

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Wed 3/11

8:30 am-3:46 pm

1 stop7h 16m

San Diego

Wed 3/18

4:42 pm-9:38 pm

1 stop4h 56m

$163

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Tue 2/24

2:35 pm-7:55 pm

1 stop5h 20m

San Diego

Sat 2/28

8:00 am-1:30 pm

1 stop5h 30m

$164

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Tue 3/3

6:00 am-10:55 am

1 stop4h 55m

San Diego

Sat 3/7

11:05 am-1:45 pm

Nonstop2h 40m

$167

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Sat 5/2

12:27 pm-8:04 pm

1 stop7h 37m

San Diego

Sat 5/9

5:01 pm-9:53 pm

1 stop4h 52m

$169

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Thu 4/23

11:48 am-8:34 am

1 stop20h 46m

San Diego

Sat 4/25

11:42 am-11:03 am

1 stop23h 21m

$171

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Sat 3/7

2:30 pm-4:55 pm

Nonstop2h 25m

San Diego

Sat 3/7

6:00 pm-12:55 am

2 stops6h 55m

$172

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Wed 4/1

2:30 pm-4:55 pm

Nonstop2h 25m

San Diego

Sat 4/4

6:00 pm-12:55 am

2 stops6h 55m

$173

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Sat 3/7

2:30 pm-4:55 pm

Nonstop2h 25m

San Diego

Mon 3/9

6:20 pm-10:25 pm

1 stop4h 05m

$174

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Tue 3/3

1:27 pm-5:50 pm

1 stop4h 23m

San Diego

Sat 3/14

7:30 am-1:09 pm

1 stop5h 39m

$177

PortlandSan Diego

PDX - SAN

PDXSAN

Portland

Mon 3/9

12:04 pm-8:33 pm

1 stop8h 29m

San Diego

Sat 3/14

6:03 pm-8:50 pm

Nonstop2h 47m

$178

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How to get the cheapest flight ticket from Portland 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

Prices

Airlines

Delays

Layovers

Other information

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of January, then departing from Portland during the month February is also very affordable. Most momondo users find prices during this month for around $257.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Portland 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 $278. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $334. 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 evening when flights can be purchased for as low as $279. Flights in the morning are often more expensive with an average ticket price of $320.

What is the cheapest Portland to San Diego flight route?

Fly from Portland to San Diego for the best Portland - 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 Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $280 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Portland for as low as $237 on momondo.

What cabin class options are available on Portland to San Diego flights?

There are 4 cabin classes available to choose from on Portland to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Portland to San Diego flight prices changed over time?

As of January 2026, prices for Portland to San Diego flights are approximately 28% cheaper when compared to flights at the same time last year.

When to book flights from Portland to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to San Diego according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Portland to San Diego (PDX to SAN) flight deals and tips

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

Best Price Found	$108
Fastest flight time	2h 25m
Direct flights	Every day
Airports in San Diego	1 airport

The best one-way flight to San Diego from Portland in the past 72 hours is $108. The best round-trip flight deal from Portland to San Diego found on momondo in the last 72 hours is $197.

The fastest flight from Portland to San Diego takes 2h 25m

Direct flights go from Portland to San Diego every day.

There is 1 airport in San Diego. From Portland there are direct flights to San Diego (SAN).

Search flight deals

How far is Portland to San Diego by plane?
Portland and San Diego are 931.8 mi apart from one another. A reasonable flight in good conditions will take 2h 25m.
When did momondo last update prices for flights from Portland Airport to San Diego Airport?
Prices for flights from Portland Airport to San Diego Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to San Diego Airport?
As of January 2026, there are 7 operators available to choose from for flights from Portland Airport to San Diego Airport.
How old do you have to be to fly from Portland Airport to San Diego Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport 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.
What is the most popular plane model from Portland to San Diego?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Portland to San Diego is Boeing 737-800 Passenger/BBJ2 (winglets) (34.84% of total bookings). The next most popular plane models are Boeing 737-900 Passenger/BBJ3 (winglets) (23.79%), Boeing 737 MAX 9 (18.54%), and Boeing 737 MAX 8 (10.34%).
What is the most popular airline from Portland to San Diego?
Based on momondo bookings for flights between Portland and San Diego, the leading airline is Alaska Airlines, making up 78% of the total bookings. Other popular airlines include Hawaiian Airlines with 7%, Spirit Airlines with 7%, and Southwest with 4%.

Best airlines flying from Portland to San Diego

Compare and see reviews for airlines that fly from Portland to San Diego with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $83	Free Cancellation	Rating 6.3 8,380 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $87	Free Cancellation	Rating 5.7 3,057 reviews	Search Frontier flights
Delta	PriceFrom $98	Free Cancellation	Rating 7.9 8,113 reviews	Search Delta flights
Southwest	PriceFrom $156	Free Cancellation	Rating 8.0 4,268 reviews	Search Southwest flights
United Airlines	PriceFrom $163	Free Cancellation	Rating 7.4 9,198 reviews	Search United Airlines flights
Hawaiian Airlines	PriceFrom $173	Free Cancellation	Rating 7.8 2,829 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $177	Free Cancellation	Rating 8.0 11,792 reviews	Search Alaska Airlines flights

Southwest Flights From Portland to San Diego
Southwest flight deals from Portland to San Diego start from $156 round-trip. Over the 1 Southwest flight for this route in a normal week, average airfare is usually $307 round-trip - but some users have found much cheaper deals with momondo.
Alaska Airlines Flights From Portland to San Diego
Alaska Airlines (8.0/10 from 11,792 reviews) operates around 29 flights from Portland to San Diego in any given week. The average Alaska Airlines airfare for this route is around $297, with deals from around $177 rare but found on momondo. Referenced prices are for round-trip Portland to San Diego flight searches in the last 72 hours.

Coronado

Chula Vista

El Cajon

Julian

Poway

National City

Imperial Beach

San Ysidro

Borrego Springs

La Mesa

Alpine

Lemon Grove

Santee

Why use momondo?

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

It is quick and easy to find Portland to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

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

Flights from Portland to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland 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 Portland to San Diego.

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

Yes. momondo can track prices for Portland to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Portland to San Diego from $98

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to San Diego departing on 2/23. 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 Portland to San Diego

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of January, then departing from Portland during the month February is also very affordable. Most momondo users find prices during this month for around $257.

What is the cheapest day to depart on your flight 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 evening when flights can be purchased for as low as $279. Flights in the morning are often more expensive with an average ticket price of $320.

What is the cheapest Portland to San Diego flight route?

Fly from Portland to San Diego for the best Portland - San Diego flight prices

How far in advance should I book a flight to San Diego?

What cabin class options are available on Portland to San Diego flights?

There are 4 cabin classes available to choose from on Portland to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Portland to San Diego flight prices changed over time?

As of January 2026, prices for Portland to San Diego flights are approximately 28% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Portland to San Diego?

Alaska Airlines and United Airlines are the most popular carriers operating from Portland to San Diego

What airlines fly to San Diego?

How often are flights from Portland to San Diego delayed?

Historically, on average around 12% of flights between Portland and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 106 minutes.

What is the most punctual flight time for Portland to San Diego flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Portland to San Diego flights?

According to our data, Alaska Airlines have had the least number of delays on this route over the last 12 months; with about 12% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Portland and San Diego?

Las Vegas (LAS) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Portland to San Diego?

Flights via Phoenix (PHX) offer the lowest average round-trip price of $145.

Which layover airport has the shortest travel time from Portland to San Diego?

Flights connecting via Las Vegas (LAS) have the shortest average one-way travel time: 4h 59m.

Which layover airport has the shortest connection time from Portland to San Diego?

San Jose (SJC) has the shortest average layover time for this route: 1h 18m.

How many flights depart from Portland to San Diego on average per day?

9 flights are operational daily from Portland to San Diego as of January 2026. The most popular departure time for this route is 5:00PM, with 53% of flights per day taking off in the afternoon.

How many flights depart from Portland to San Diego on average per week?

The number of flights available between Portland and San Diego is 65 per week as of January 2026. The most frequent departure day is Fri, with 22% of weekly flights leaving on this day.

When to book flights from Portland to San Diego

Cheap Portland to San Diego (PDX to SAN) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in San Diego

How far is Portland to San Diego by plane?

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

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

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

What documentation or ID do you need to fly to San Diego Airport?

What is the most popular plane model from Portland to San Diego?

What is the most popular airline from Portland to San Diego?

Best airlines flying from Portland to San Diego

Compare and see reviews for airlines that fly from Portland to San Diego with momondo

Southwest Flights From Portland to San Diego

Alaska Airlines Flights From Portland to San Diego

Traveling to a place near San Diego?

Why use momondo?

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

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