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Cheap flights from Portland to San Diego from $37

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 1/31. 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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Find the cheapest flights from Portland to San Diego

Cheap round-trip flights

These are some of the best round-trip flight deals from Portland to San Diego that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Portland to San Diego.

Cheap last minute flights

Planning a quick getaway from Portland to San Diego? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Diego, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Portland to San Diego

Find recent round-trip train or bus tickets from Portland to San Diego.

All round-trip flight deals from Portland to San Diego

The cheapest plane tickets from Portland to San Diego found on KAYAK recently.
6:35 am - 1:08 pmPDX-SAN
6h 33m1 stop
3:06 pm - 10:31 pmSAN-PDX
7h 25m1 stop
$84Frontier
Find Deal
Fri, Feb 7 - Mon, Feb 10
8:28 pm - 9:01 amPDX-SAN
12h 33m1 stop
6:15 am - 7:31 pmSAN-PDX
13h 16m1 stop
$86Spirit Airlines
Find Deal
Wed, Feb 19 - Wed, Feb 26
7:35 am - 1:32 pmPDX-SAN
5h 57m1 stop
6:15 am - 7:31 pmSAN-PDX
13h 16m1 stop
Wed, Feb 5 - Wed, Feb 12
8:28 pm - 7:30 amPDX-SAN
11h 02m1 stop
8:25 am - 1:38 pmSAN-PDX
5h 13m1 stop
$93Spirit Airlines
Find Deal
Tue, Mar 4 - Tue, Mar 11
5:30 pm - 10:18 pmPDX-SAN
4h 48m1 stop
6:15 am - 7:31 pmSAN-PDX
13h 16m1 stop
$95Spirit Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
8:28 pm - 9:01 amPDX-SAN
12h 33m1 stop
8:25 am - 6:37 pmSAN-PDX
10h 12m1 stop
$96Spirit Airlines
Find Deal
Sun, Mar 2 - Wed, Mar 5
6:35 am - 1:08 pmPDX-SAN
6h 33m1 stop
3:58 pm - 12:07 amSAN-PDX
8h 09m1 stop
$98Frontier
Find Deal
Mon, Feb 3 - Sat, Feb 8
6:35 am - 1:08 pmPDX-SAN
6h 33m1 stop
6:15 am - 7:31 pmSAN-PDX
13h 16m1 stop
Mon, Feb 10 - Thu, Feb 13
2:16 pm - 12:17 pmPDX-SAN
22h 01m1 stop
4:20 pm - 10:02 amSAN-PDX
17h 42m1 stop
$102Alaska Airlines
Find Deal
Tue, Feb 4 - Wed, Feb 5
11:00 am - 5:30 pmPDX-SAN
6h 30m1 stop
8:00 am - 10:45 amSAN-PDX
2h 45mnonstop
$130Alaska Airlines
Find Deal
Wed, Feb 5 - Tue, Feb 11
6:35 am - 1:08 pmPDX-SAN
6h 33m1 stop
$37Frontier
Find Deal
Fri, Jan 31
2:33 pm - 10:13 pmPDX-SAN
7h 40m1 stop
$42Spirit Airlines
Find Deal
Sat, Mar 8
2:33 pm - 10:13 pmPDX-SAN
7h 40m1 stop
$48Spirit Airlines
Find Deal
Tue, Mar 18
6:35 am - 1:08 pmPDX-SAN
6h 33m1 stop
$50Frontier
Find Deal
Fri, Jan 31
9:30 pm - 11:59 pmPDX-SAN
2h 29mnonstop
$79Alaska Airlines
Find Deal
Wed, Mar 26
7:45 am - 12:19 pmPDX-SAN
4h 34m1 stop
$89United Airlines
Find Deal
Wed, Mar 26
6:00 am - 3:17 pmPDX-SAN
9h 17m2 stops
$97Alaska Airlines
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Tue, Feb 11
6:00 am - 10:18 amPDX-SAN
4h 18m1 stop
$99Delta
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Thu, Feb 20
5:26 pm - 11:53 pmPDX-SAN
6h 27m1 stop
$160Delta
Find Deal
Mon, Mar 24
5:45 am - 10:04 amPDX-SAN
4h 19m1 stop
$195United Airlines
Find Deal
Thu, Jul 17
12:03 pm - 11:52 pmPDX-SAN
11h 49m1 stop
2:05 pm - 10:31 pmSAN-PDX
8h 26m1 stop
$100Frontier
Find Deal
Fri, Jan 24 - Mon, Jan 27
12:03 pm - 11:52 pmPDX-SAN
11h 49m1 stop
10:40 am - 9:45 amSAN-PDX
23h 05m1 stop
$108Frontier
Find Deal
Fri, Jan 24 - Sun, Jan 26
5:30 pm - 10:18 pmPDX-SAN
4h 48m1 stop
6:15 am - 7:31 pmSAN-PDX
13h 16m1 stop
$186Spirit Airlines
Find Deal
Sat, Jan 25 - Sat, Feb 15
5:30 pm - 10:18 pmPDX-SAN
4h 48m1 stop
2:56 pm - 9:21 amSAN-PDX
18h 25m2 stops
$240Spirit Airlines
Find Deal
Sat, Jan 25 - Sat, Feb 15
6:03 am - 12:14 amPDX-SAN
18h 11m1 stop
6:15 am - 12:56 amSAN-PDX
18h 41m1 stop
$363United Airlines
Find Deal
Sat, Jan 25 - Thu, Jan 30
6:03 am - 7:58 pmPDX-SAN
13h 55m2 stops
3:58 pm - 9:24 amSAN-PDX
17h 26m1 stop
$383United Airlines
Find Deal
Sat, Jan 25 - Mon, Jan 27
1:30 pm - 7:09 pmPDX-SAN
5h 39m1 stop
1:25 pm - 6:54 pmSAN-PDX
5h 29m1 stop
$387Delta
Find Deal
Thu, Jan 23 - Thu, Jan 30
5:15 am - 10:24 amPDX-SAN
5h 09m1 stop
1:25 pm - 6:54 pmSAN-PDX
5h 29m1 stop
$397Delta
Find Deal
Sun, Jan 26 - Tue, Jan 28
10:40 am - 1:07 pmPDX-SAN
2h 27mnonstop
5:00 pm - 9:39 pmSAN-PDX
4h 39m1 stop
$419Alaska Airlines
Find Deal
Thu, Jan 23 - Thu, Jan 23
4:59 pm - 7:25 pmPDX-SAN
2h 26mnonstop
6:15 am - 11:07 amSAN-PDX
4h 52m1 stop
$420Alaska Airlines
Find Deal
Wed, Jan 22 - Mon, Jan 27
9:29 pm - 11:59 pmPDX-SAN
2h 30mnonstop
5:59 pm - 8:39 pmSAN-PDX
2h 40mnonstop
$157Alaska Airlines
Find Deal
Tue, Mar 4 - Wed, Mar 12
7:15 pm - 9:41 pmPDX-SAN
2h 26mnonstop
6:15 am - 9:00 amSAN-PDX
2h 45mnonstop
$187Alaska Airlines
Find Deal
Sat, Feb 22 - Mon, Feb 24
7:00 am - 9:30 amPDX-SAN
2h 30mnonstop
6:15 am - 9:00 amSAN-PDX
2h 45mnonstop
$197Alaska Airlines
Find Deal
Wed, Feb 12 - Sun, Feb 16
6:09 pm - 8:35 pmPDX-SAN
2h 26mnonstop
7:20 am - 10:05 amSAN-PDX
2h 45mnonstop
$217Alaska Airlines
Find Deal
Fri, Mar 7 - Sun, Mar 9
9:30 pm - 11:59 pmPDX-SAN
2h 29mnonstop
6:15 am - 9:06 amSAN-PDX
2h 51mnonstop
$227Alaska Airlines
Find Deal
Tue, Mar 25 - Tue, Apr 1
5:35 pm - 8:06 pmPDX-SAN
2h 31mnonstop
7:00 am - 9:50 amSAN-PDX
2h 50mnonstop
$237Alaska Airlines
Find Deal
Mon, Jun 16 - Mon, Jun 23
2:45 pm - 5:17 pmPDX-SAN
2h 32mnonstop
8:00 am - 10:45 amSAN-PDX
2h 45mnonstop
$252Alaska Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
2:45 pm - 5:17 pmPDX-SAN
2h 32mnonstop
8:00 am - 10:45 amSAN-PDX
2h 45mnonstop
$257Alaska Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
9:30 pm - 11:59 pmPDX-SAN
2h 29mnonstop
6:15 am - 9:06 amSAN-PDX
2h 51mnonstop
$267Alaska Airlines
Find Deal
Thu, Apr 3 - Sun, Apr 6
7:00 am - 9:30 amPDX-SAN
2h 30mnonstop
7:20 am - 10:05 amSAN-PDX
2h 45mnonstop
$282Alaska Airlines
Find Deal
Wed, Feb 12 - Tue, Feb 18

Spirit Airlines flights from Portland to San Diego

Our best Spirit Airlines deals on Portland to San Diego flight tickets
Spirit Airlines
Feb 19
PDX8:28 pmPortland
12h 33m
1 stop
SAN9:01 amSan Diego
Feb 26
SAN6:15 amSan Diego
13h 16m
1 stop
PDX7:31 pmPortland
Spirit Airlines
Mar 4
PDX8:28 pmPortland
11h 02m
1 stop
SAN7:30 amSan Diego
Mar 11
SAN8:25 amSan Diego
5h 13m
1 stop
PDX1:38 pmPortland
Spirit Airlines
Feb 5
PDX5:30 pmPortland
4h 48m
1 stop
SAN10:18 pmSan Diego
Feb 12
SAN6:15 amSan Diego
13h 16m
1 stop
PDX7:31 pmPortland

Alaska Airlines flights from Portland to San Diego

Our best Alaska Airlines deals on Portland to San Diego flight tickets
Alaska Airlines
Feb 4
PDX2:16 pmPortland
22h 01m
1 stop
SAN12:17 pmSan Diego
Feb 5
SAN4:20 pmSan Diego
17h 42m
1 stop
PDX10:02 amPortland
Alaska Airlines
Feb 5
PDX11:00 amPortland
6h 30m
1 stop
SAN5:30 pmSan Diego
Feb 11
SAN8:00 amSan Diego
2h 45m
PDX10:45 amPortland
Alaska Airlines
Feb 5
PDX11:00 amPortland
6h 30m
1 stop
SAN5:30 pmSan Diego
Feb 11
SAN8:02 amSan Diego
4h 05m
1 stop
PDX12:07 pmPortland

See travel insights to San Diego from

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

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of September, then departing from Portland during the month August is also very affordable. Most momondo users find prices during this month for around $196.

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 Saturday. Travelers who choose to depart for San Diego on a Saturday will often find tickets for as low as $238. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $286. 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 $212. Flights in the afternoon are often more expensive with an average ticket price of $286.

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 8 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $258 when searching 8 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 $216 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 2025, prices for Portland to San Diego flights are approximately 62% more expensive 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

$37

Fastest flight time

2h 26m

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 $37. The best round-trip flight deal from Portland to San Diego found on momondo in the last 72 hours is $84.
The fastest flight from Portland to San Diego takes 2h 26m
Direct flights go from Portland to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)

  • 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 26m.

  • 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $76Free CancellationRating
6.3
8,115 reviews
Search Spirit Airlines flights
FrontierPriceFrom $80Free CancellationRating
6.0
3,443 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $153Free CancellationRating
8.0
9,706 reviews
Search Alaska Airlines flights
DeltaPriceFrom $176Free CancellationRating
8.0
8,521 reviews
Search Delta flights
United AirlinesPriceFrom $246Free CancellationRating
7.4
8,985 reviews
Search United Airlines flights
SouthwestPriceFrom $261Free CancellationRating
8.1
4,662 reviews
Search Southwest flights
  • Southwest Flights From Portland to San Diego

    Southwest flight deals from Portland to San Diego start from $261 round-trip. Over the 7 Southwest flights for this route in a normal week, average airfare is usually $379 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 9,706 reviews) operates around 18 flights from Portland to San Diego in any given week. The average Alaska Airlines airfare for this route is around $296, with deals from around $153 rare but found on momondo. Referenced prices are for round-trip Portland to San Diego flight searches in the last 72 hours.


Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Chula Vista
Coronado
El Cajon
Julian
La Mesa
National City
Lemon Grove
San Ysidro
Alpine
Borrego Springs
Imperial Beach
Poway
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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