Cheap Flights from San Diego, CA to Portland, ME from $255

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On Cheapflightsplus.com you will find 30 connecting flights from San Diego to Portland. You can compare airfare deals from 3 airlines and multiple travel sites from $255, book and save on cheap plane tickets and last minute offers. Also check out SAN-PWM flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip San Diego to Portland 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: $255 (one-way), $437 (round-trip).

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Best Flights from San Diego to Portland Today

Take a look at the list of non stop flights and flights with layovers from San Diego to Portland with the lowest price of $255. Take a look at the list of flights with layovers from San Diego to Portland from $255. There’re no direct flights. The fastest connecting flight – 7h 54m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $255 Find flight	22:30 San Diego San Diego	09:24+1 день Portland Portland Intl Jetport	7h 54m layover 1h 5m - Newark	United Airlines	UA1827 UA3514
from $255 Find flight	21:40 San Diego San Diego	09:24+1 день Portland Portland Intl Jetport	8h 44m layover 2h 2m - Newark	United Airlines	UA427 UA3514
from $279 Find flight	12:42 San Diego San Diego	23:59 Portland Portland Intl Jetport	8h 17m layover 1h 11m - Washington D.C.	Alaska Airlines	AS14 AS6018
from $330 Find flight	14:05 San Diego San Diego	22:01+1 день Portland Portland Intl Jetport	28h 56m layover 22h 10m - Chicago	United Airlines	UA2628 UA1974
from $334 Find flight	17:30 San Diego San Diego	22:01+1 день Portland Portland Intl Jetport	25h 31m layover 18h 46m - Chicago	United Airlines	UA2486 UA1974
from $356 Find flight	21:40 San Diego San Diego	17:53+1 день Portland Portland Intl Jetport	17h 13m layover 10h 26m - Newark	United Airlines	UA427 UA255
from $356 Find flight	21:40 San Diego San Diego	23:14+1 день Portland Portland Intl Jetport	22h 34m layover 15h 42m - Newark	United Airlines	UA427 UA2127
from $378 Find flight	17:30 San Diego San Diego	14:24+1 день Portland Portland Intl Jetport	17h 54m layover 11h 14m - Chicago	United Airlines	UA2486 UA763
from $392 Find flight	06:35 San Diego San Diego	14:24+1 день Portland Portland Intl Jetport	28h 49m layover 22h 4m - Chicago	United Airlines	UA2343 UA763
from $423 Find flight	07:02 San Diego San Diego	18:26 Portland Portland Intl Jetport	8h 24m layover 1h 30m - Newark	United Airlines	UA327 UA3599
from $435 Find flight	07:02 San Diego San Diego	23:14 Portland Portland Intl Jetport	13h 12m layover 6h 16m - Newark	United Airlines	UA327 UA2127
from $483 Find flight	21:40 San Diego San Diego	13:20+1 день Portland Portland Intl Jetport	12h 40m layover 5h 57m - Newark	United Airlines	UA427 UA3512
from $318 Find flight	08:00 San Diego San Diego	23:14 Portland Portland Intl Jetport	12h 14m layover 2h 2m - San Francisco 1h 15m - Newark	United Airlines	UA2863 UA2863 UA2127
from $422 Find flight	06:15 San Diego San Diego	09:43+1 день Portland Portland Intl Jetport	24h 28m layover 3h 43m - Las Vegas 10h 19m - Tampa	Spirit Airlines	NK1153 MX149 MX138
from $428 Find flight	06:15 San Diego San Diego	23:14 Portland Portland Intl Jetport	13h 59m layover 2h 53m - Los Angeles 2h 45m - Newark	United Airlines	UA4723 UA2127 UA2127
from $483 Find flight	08:45 San Diego San Diego	23:59 Portland Portland Intl Jetport	12h 14m layover 1h 12m - Denver 3h 20m - Washington D.C.	United Airlines	UA347 UA347 UA3674

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on August 27, 2025

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

Full flight schedule will help you in detecting at what time planes fly from San Diego to Portland. 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
06:35 — 14:24 +1 day	06:30 — 12:49 UA2343 United Airlines San Diego — Chicago 22h 4m stop 11:05 — 14:31 UA763 United Airlines Chicago — Portland	28h 49m including layover	Find flight from$392
07:02 — 18:26	07:02 — 15:29 UA327 United Airlines San Diego — Newark 1h 30m stop 16:59 — 18:26 UA3599 United Airlines Newark — Portland	8h 24m including layover	Find flight from$423
07:02 — 23:14	07:02 — 15:29 UA327 United Airlines San Diego — Newark 6h 16m stop 22:16 — 23:44 UA2127 United Airlines Newark — Portland	13h 12m including layover	Find flight from$435
10:41 — 14:24 +1 day	10:46 — 17:05 UA2677 United Airlines San Diego — Chicago 17h 58m stop 11:05 — 14:31 UA763 United Airlines Chicago — Portland	24h 43m including layover	Find flight from$504
10:41 — 17:37 +1 day	10:41 — 17:00 UA2677 United Airlines San Diego — Chicago 20h 55m stop 13:55 — 17:37 UA5849 United Airlines Chicago — Portland	27h 56m including layover	Find flight from$722
12:42 — 23:59	12:42 — 20:59 AS14 Alaska Airlines San Diego — Washington D.C. 1h 11m stop 22:10 — 23:59 AS6018 Alaska Airlines Washington D.C. — Portland	8h 17m including layover	Find flight from$279
14:05 — 22:01 +1 day	14:05 — 20:20 UA2628 United Airlines San Diego — Chicago 22h 10m stop 18:30 — 22:01 UA1974 United Airlines Chicago — Portland	28h 56m including layover	Find flight from$330
14:05 — 14:24 +1 day	14:05 — 20:20 UA2628 United Airlines San Diego — Chicago 14h 38m stop 10:58 — 14:24 UA763 United Airlines Chicago — Portland	21h 19m including layover	Find flight from$373
17:30 — 22:01 +1 day	17:00 — 23:15 UA2486 United Airlines San Diego — Chicago 18h 46m stop 18:25 — 21:56 UA1974 United Airlines Chicago — Portland	25h 31m including layover	Find flight from$334
17:30 — 14:24 +1 day	17:00 — 23:15 UA2486 United Airlines San Diego — Chicago 11h 14m stop 11:05 — 14:31 UA763 United Airlines Chicago — Portland	17h 54m including layover	Find flight from$378
21:40 — 09:24 +1 day	14:15 — 22:59 UA427 United Airlines San Diego — Newark 2h 2m stop 08:05 — 09:24 UA3514 United Airlines Newark — Portland	8h 44m including layover	Find flight from$255
21:40 — 17:53 +1 day	14:15 — 22:59 UA427 United Airlines San Diego — Newark 10h 26m stop 16:49 — 18:13 UA255 United Airlines Newark — Portland	17h 13m including layover	Find flight from$356
22:30 — 09:24 +1 day	22:30 — 06:52 UA1827 United Airlines San Diego — Newark 1h 5m stop 08:05 — 09:24 UA3514 United Airlines Newark — Portland	7h 54m including layover	Find flight from$255
22:30 — 23:14 +1 day	22:30 — 06:52 UA1827 United Airlines San Diego — Newark 14h 45m stop 21:45 — 23:14 UA2127 United Airlines Newark — Portland	21h 44m including layover	Find flight from$345
06:15 — 09:43 +1 day	06:15 — 07:37 NK1153 Spirit Airlines San Diego — Las Vegas 3h 43m stop 11:20 — 20:11 MX149 Mexicana Las Vegas — Tampa 10h 19m stop 09:00 — 12:13 MX138 Mexicana Tampa — Portland	24h 28m including layover	Find flight from$422
08:00 — 23:14	08:00 — 09:38 UA2863 United Airlines San Diego — San Francisco 2h 2m stop 11:40 — 20:30 UA2863 United Airlines San Francisco — Newark 1h 15m stop 22:16 — 23:44 UA2127 United Airlines Newark — Portland	12h 14m including layover	Find flight from$318
08:45 — 23:59	08:45 — 12:13 UA347 United Airlines San Diego — Denver 1h 12m stop 13:25 — 18:54 UA347 United Airlines Denver — Washington D.C. 3h 20m stop 22:14 — 23:59 UA3674 United Airlines Washington D.C. — Portland	12h 14m including layover	Find flight from$483
12:30 — 11:53 +1 day	12:20 — 19:44 NK1071 Spirit Airlines San Diego — Detroit 31m stop 20:25 — 23:09 NK1261 Spirit Airlines Detroit — Orlando 9h 36m stop 08:45 — 11:53 MX738 Mexicana Orlando — Portland	20h 23m including layover	Find flight from$605
19:27 — 14:44 +1 day	19:27 — 21:05 UA505 United Airlines San Diego — San Francisco 2h 54m stop 23:59 — 05:45 UA505 United Airlines San Francisco — Houston 3h 50m stop 09:35 — 14:44 UA5359 United Airlines Houston — Portland	16h 17m including layover	Find flight from$1511

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

*Departure and arrival times - local. Updated on August 27, 2025

Flight Information

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

Distance between San Diego and Portland is 4212 miles. Time difference between the cities is 3h. Airplanes depart 06:15 to 22:30 from 11 San Diego airport and arrive 06:15 to 22:30 to 1 Portland airport. Average flight time is 20h 14m.

The fastest flight 7h 54m
Average flight time 20h 14m
The earliest flight 06:15
The latest flight 22:30
Distance 2618 ml

The cheapest months to travel to Portland are august (from 255 $), july (from 278 $), june (from 281 $).

The most expensive months are may (from 378 $), june (from 281 $), july (from 278 $).

What is the lowest airfare San Diego to Portland?

The cheapest plane ticket found by our users is $255. This airfare is for economy class on one-way UA427 flight by United Airlines for July 25, 2025 which leaves San Diego in San Diego at 21:40 am and arrives at Portland Portland Intl Jetport at 09:24.

Economy class

$255

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First class

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Popular Airlines on the Route

The flight San Diego — Portland is served by 3 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Alaska Airlines - 1 departures per week at the price of from $ 279 . And the most expensive tickets are offered by United Airlines airline - from $ 1511.

Direct flights

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

Connecting Flights

There are 30 flights with layovers on the route. The fastest connecting flight is UA1827 by United Airlines takes 7h 54m and the cheapest is UA427 by United Airlines for $255.

AS - Alaska Airlines

from $279

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UA - United Airlines

from $255

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NK - Spirit Airlines

from $422

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Airports

You can fly from San Diego to Portland from 11 airports (San Diego, San Diego Regional, Gillespie Field, Golden Triangle Reg., El Cajon, Lowndes County, Miramar NAS, Montgomery Field, North Island NAS, Brown Field Municipal, AFB).

San Diego airports

San Diego-SAN

from $255
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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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Portland airports

Portland Intl Jetport-PWM

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Airplanes

There are flights to Portland from San Diego by 3 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from San Diego

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

San Diego — Las Vegas

from $67

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San Diego — Seattle

from $56

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San Diego — New York

from $68

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San Diego — San Francisco

from $54

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San Diego — Denver

from $64

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San Diego — Phoenix

from $71

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San Diego — Chicago

from $57

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San Diego — Sacramento

from $76

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San Diego — Dallas

from $70

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San Diego — Boston

from $76

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Top International Destinations from San Diego

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.

San Diego — San Jose

from $65

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San Diego — London

from $66

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San Diego — Vancouver

from $79

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San Diego — Tokyo

from $72

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San Diego — Cancun

from $72

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San Diego — Paris

from $79

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San Diego — Toronto

from $68

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San Diego — Rome

from $54

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San Diego — Madrid

from $65

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San Diego — Calgary

from $60

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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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