Cheap Flights from Portland, ME to San Diego, CA from $195

One way Round trip

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On Cheapflightsplus.com you will find 305 connecting flights from Portland to San Diego. You can compare airfare deals from 4 airlines and multiple travel sites from $195, book and save on cheap plane tickets and last minute offers. Also check out PWM-SAN flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Portland to San Diego Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $195 (one-way), $334 (round-trip).

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Best Flights from Portland to San Diego Today

Take a look at the list of non stop flights and flights with layovers from Portland to San Diego with the lowest price of $195. Take a look at the list of flights with layovers from Portland to San Diego from $195. There’re no direct flights. The fastest connecting flight – 7h 47m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $244 Find flight	12:32 Portland Portland Intl Jetport	11:01+1 день San Diego San Diego	25h 29m layover 18h 38m - Minneapolis	Sun Country Airlines	SY1822 SY1639
from $245 Find flight	15:35 Portland Portland Intl Jetport	20:25 San Diego San Diego	7h 50m layover 1h 0m - Denver	United Airlines	UA1092 UA540
from $245 Find flight	05:45 Portland Portland Intl Jetport	11:22 San Diego San Diego	8h 37m layover 1h 27m - Washington D.C.	United Airlines	UA3415 UA1930
from $245 Find flight	14:22 Portland Portland Intl Jetport	20:19 San Diego San Diego	8h 57m layover 1h 35m - Washington D.C.	United Airlines	UA3624 UA2054
from $245 Find flight	15:13 Portland Portland Intl Jetport	21:23 San Diego San Diego	9h 10m layover 1h 28m - Newark	United Airlines	UA3620 UA2624
from $248 Find flight	15:35 Portland Portland Intl Jetport	20:25 San Diego San Diego	7h 50m layover 1h 0m - Denver	United Airlines	UA2852 UA540
from $248 Find flight	10:05 Portland Portland Intl Jetport	15:03 San Diego San Diego	7h 58m layover 0h 47m - Washington D.C.	United Airlines	UA3438 UA2029
from $248 Find flight	16:56 Portland Portland Intl Jetport	22:02 San Diego San Diego	8h 6m layover 0h 48m - Chicago	United Airlines	UA2466 UA734
from $248 Find flight	06:14 Portland Portland Intl Jetport	11:40 San Diego San Diego	8h 26m layover 1h 8m - Chicago	United Airlines	UA1030 UA660
from $248 Find flight	15:35 Portland Portland Intl Jetport	22:14 San Diego San Diego	9h 39m layover 2h 50m - Denver	United Airlines	UA2852 UA1835
from $248 Find flight	12:11 Portland Portland Intl Jetport	19:09 San Diego San Diego	9h 58m layover 2h 25m - Newark	United Airlines	UA3719 UA1626
from $249 Find flight	09:30 Portland Portland Intl Jetport	14:59 San Diego San Diego	8h 29m layover 1h 25m - Washington D.C.	United Airlines	UA3683 UA2029
from $249 Find flight	16:43 Portland Portland Intl Jetport	22:14 San Diego San Diego	8h 31m layover 1h 10m - Chicago	United Airlines	UA1564 UA630
from $290 Find flight	05:08 Portland Portland Intl Jetport	11:20 San Diego San Diego	9h 12m layover 2h 0m - Washington D.C.	Alaska Airlines	AS6416 AS15
from $195 Find flight	12:58 Portland Portland Intl Jetport	23:29 San Diego San Diego	13h 31m layover 1h 0m - Minneapolis 4h 48m - Las Vegas	Sun Country Airlines	SY1822 SY107 NK2390
from $251 Find flight	06:00 Portland Portland Intl Jetport	15:03 San Diego San Diego	12h 3m layover 0h 59m - Chicago 0h 45m - Washington D.C.	United Airlines	UA1857 UA2029 UA2029

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on August 06, 2025

Flight Schedule Portland (Maine) to San Diego (California)

Full flight schedule will help you in detecting at what time planes fly from Portland to San Diego. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
05:40 — 11:16	05:40 — 07:30 UA3622 United Airlines Portland — Washington D.C. 1h 26m stop 08:56 — 11:16 UA1930 United Airlines Washington D.C. — San Diego	8h 36m including layover	Find flight from$249
05:45 — 11:22	05:45 — 07:33 UA3415 United Airlines Portland — Washington D.C. 1h 27m stop 09:00 — 11:22 UA1930 United Airlines Washington D.C. — San Diego	8h 37m including layover	Find flight from$245
06:00 — 11:40	06:00 — 07:51 UA1857 United Airlines Portland — Chicago 1h 22m stop 09:13 — 11:40 UA660 United Airlines Chicago — San Diego	8h 40m including layover	Find flight from$245
06:14 — 11:40	06:14 — 08:05 UA1030 United Airlines Portland — Chicago 1h 8m stop 09:13 — 11:40 UA660 United Airlines Chicago — San Diego	8h 26m including layover	Find flight from$248
08:00 — 13:08	08:00 — 09:31 UA3680 United Airlines Portland — Newark 49m stop 10:20 — 13:08 UA1626 United Airlines Newark — San Diego	8h 8m including layover	Find flight from$253
08:00 — 13:08	08:00 — 09:31 UA3680 United Airlines Portland — Newark 49m stop 07:00 — 09:41 UA1826 United Airlines Newark — San Diego	8h 8m including layover	Find flight from$263
09:30 — 14:59	09:30 — 11:20 UA3683 United Airlines Portland — Washington D.C. 1h 25m stop 12:45 — 14:59 UA2029 United Airlines Washington D.C. — San Diego	8h 29m including layover	Find flight from$249
10:05 — 15:03	10:05 — 11:53 UA3438 United Airlines Portland — Washington D.C. 47m stop 12:40 — 15:03 UA2029 United Airlines Washington D.C. — San Diego	7h 58m including layover	Find flight from$248
10:05 — 14:54	10:05 — 11:55 UA3438 United Airlines Portland — Washington D.C. 45m stop 12:40 — 14:54 UA2710 United Airlines Washington D.C. — San Diego	7h 49m including layover	Find flight from$253
11:43 — 18:18	11:43 — 13:46 UA5697 United Airlines Portland — Chicago 2h 10m stop 15:56 — 18:18 UA2417 United Airlines Chicago — San Diego	9h 35m including layover	Find flight from$249
12:11 — 19:09	12:10 — 13:59 UA3719 United Airlines Portland — Newark 2h 25m stop 16:25 — 19:09 UA1626 United Airlines Newark — San Diego	9h 58m including layover	Find flight from$248
12:32 — 11:01 +1 day	12:32 — 14:40 SY1822 Sun Country Airlines Portland — Minneapolis 18h 38m stop 09:18 — 11:01 SY1639 Sun Country Airlines Minneapolis — San Diego	25h 29m including layover	Find flight from$244
14:14 — 20:26	14:05 — 16:16 UA3593 United Airlines Portland — Washington D.C. 1h 35m stop 18:00 — 20:26 UA2054 United Airlines Washington D.C. — San Diego	9h 12m including layover	Find flight from$251
14:22 — 20:19	14:14 — 16:12 UA3624 United Airlines Portland — Washington D.C. 1h 35m stop 17:50 — 20:19 UA2054 United Airlines Washington D.C. — San Diego	8h 57m including layover	Find flight from$245
15:13 — 21:23	15:13 — 17:02 UA3620 United Airlines Portland — Newark 1h 28m stop 18:30 — 21:23 UA2624 United Airlines Newark — San Diego	9h 10m including layover	Find flight from$245
15:35 — 20:25	15:35 — 18:00 UA1092 United Airlines Portland — Denver 1h stop 19:00 — 20:25 UA540 United Airlines Denver — San Diego	7h 50m including layover	Find flight from$245
16:43 — 22:14	16:43 — 18:40 UA1564 United Airlines Portland — Chicago 1h 10m stop 19:50 — 22:14 UA630 United Airlines Chicago — San Diego	8h 31m including layover	Find flight from$249
16:56 — 22:02	16:56 — 18:47 UA2466 United Airlines Portland — Chicago 48m stop 19:35 — 22:02 UA734 United Airlines Chicago — San Diego	8h 6m including layover	Find flight from$248
17:35 — 09:36 +1 day	17:35 — 19:24 UA3616 United Airlines Portland — Newark 11h 26m stop 06:50 — 09:36 UA1626 United Airlines Newark — San Diego	19h 1m including layover	Find flight from$312

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on August 6, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Portland to San Diego depends on and how to choose the most interesting flight option for you.

Distance between Portland and San Diego is 4212 miles. Time difference between the cities is 3h. Airplanes depart 05:08 to 20:52 from 1 Portland airport and arrive 05:08 to 20:52 to 11 San Diego airports. Average flight time is 16h 48m.

The fastest flight 7h 47m
Average flight time 16h 48m
The earliest flight 05:08
The latest flight 20:52
Distance 2618 ml

The cheapest months to travel to San Diego are june (from 195 $), july (from 200 $), may (from 232 $).

The most expensive months are september (from 262 $), october (from 245 $), august (from 244 $).

What is the lowest airfare Portland to San Diego?

The cheapest plane ticket found by our users is $195. This airfare is for economy class on one-way SY1822 flight by Sun Country Airlines for July 5, 2025 which leaves Portland Intl Jetport in Portland at 12:58 am and arrives at San Diego San Diego at 23:29.

Economy class

$195

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Business class

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First class

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Popular Airlines on the Route

The flight Portland — San Diego is served by 4 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Alaska Airlines - 4 departures per week at the price of from $ 290 . And the most expensive tickets are offered by United Airlines airline - from $ 962.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 305 flights with layovers on the route. The fastest connecting flight is SY1822 by Sun Country Airlines takes 7h 47m and the cheapest is SY1822 by Sun Country Airlines for $195.

AS - Alaska Airlines

from $290

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SY - Sun Country Airlines

from $195

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MX - Mexicana

from $316

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UA - United Airlines

from $245

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Airports

You can fly from Portland to San Diego from 1 airports (Portland Intl Jetport).

Portland airports

Portland Intl Jetport-PWM

from $195
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San Diego airports

San Diego-SAN

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San Diego Regional-USA

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Gillespie Field-SEE

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Golden Triangle Reg.-GTR

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El Cajon-CJN

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Lowndes County-UBS

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Miramar NAS-NKX

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Montgomery Field-MYF

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North Island NAS-NZY

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Brown Field Municipal-SDM

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AFB-CBM

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Airplanes

There are flights to San Diego from Portland by 4 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Portland

You may also consider searching for discounted plane tickets to some other popular places from Portland within United States.

Portland — Las Vegas

from $74

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Portland — Seattle

from $80

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Portland — Chicago

from $60

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Portland — Denver

from $55

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Portland — San Diego

from $68

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Portland — Los Angeles

from $56

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Portland — Sacramento

from $58

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Portland — Austin

from $59

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Portland — Spokane

from $63

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Portland — Atlanta

from $64

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Top International Destinations from Portland

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Portland — Vancouver

from $73

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Portland — Calgary

from $75

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Portland — Amsterdam

from $59

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Portland — Guadalajara

from $68

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How to book a plane ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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