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Cheap flights from San Diego to Portland from $165

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Diego to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
10:59 am - 11:31 pmSAN  San Diego-PWM Portland
9h 32m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:05 pm - 10:34 pmPWM  Portland-SAN San Diego
11h 29m1 stop Atlanta Hartsfield-Jackson
$329Delta
Tue, Nov 10 - Wed, Nov 11
Delta Logo
6:15 am - 11:31 pmSAN  San Diego-PWM Portland
14h 16m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson
Delta Logo
2:05 pm - 10:34 pmPWM  Portland-SAN San Diego
11h 29m1 stop Atlanta Hartsfield-Jackson
$334Delta
Tue, Nov 10 - Wed, Nov 11
American Airlines Logo
10:40 pm - 11:28 amSAN  San Diego-PWM Portland
9h 48m1 stop Chicago O'Hare Intl
American Airlines Logo
5:45 am - 11:09 amPWM  Portland-SAN San Diego
8h 24m1 stop Charlotte Douglas
$391American Airlines
Mon, Nov 9 - Sun, Nov 15
American Airlines Logo
6:20 am - 6:06 pmSAN  San Diego-PWM Portland
8h 46m1 stop Philadelphia
American Airlines Logo
7:00 am - 1:08 pmPWM  Portland-SAN San Diego
9h 08m1 stop Charlotte Douglas
$399American Airlines
Thu, Jan 21 - Sat, Jan 23
Southwest Logo
11:20 am - 9:45 pmSAN  San Diego-PWM Portland
7h 25m1 stop Baltimore/Washington
Southwest Logo
4:20 pm - 11:25 pmPWM  Portland-SAN San Diego
10h 05m1 stop Orlando
$399Southwest
Mon, Jan 11 - Fri, Jan 15
Southwest Logo
8:10 am - 9:45 pmSAN  San Diego-PWM Portland
10h 35m2 stops Denver Intl Baltimore/Washington
Southwest Logo
4:20 pm - 11:25 pmPWM  Portland-SAN San Diego
10h 05m1 stop Orlando
$404Southwest
Mon, Jan 11 - Fri, Jan 15
United Airlines Logo
6:50 am - 9:03 pmSAN  San Diego-PWM Portland
11h 13m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
3:14 pm - 9:18 pmPWM  Portland-SAN San Diego
9h 04m1 stop Newark
$432United Airlines
Sun, Jan 31 - Fri, Feb 5
United Airlines Logo
6:35 am - 6:49 pmSAN  San Diego-PWM Portland
9h 14m1 stop Newark
United Airlines Logo
5:08 pm - 10:40 pmPWM  Portland-SAN San Diego
8h 32m1 stop Chicago O'Hare Intl
$459United Airlines
Tue, Nov 10 - Wed, Nov 11
Multiple Airlines Logo
4:53 pm - 9:08 amSAN  San Diego-PWM Portland
37h 15m2 stops Denver Intl Orlando
Multiple Airlines Logo
5:09 pm - 11:52 amPWM  Portland-SAN San Diego
21h 43m1 stop Raleigh-Durham
$618Multiple Airlines
Sat, Nov 7 - Wed, Nov 11
Multiple Airlines Logo
5:29 pm - 1:57 pmSAN  San Diego-PWM Portland
41h 28m2 stops Denver Intl Columbus
Multiple Airlines Logo
5:09 pm - 11:52 amPWM  Portland-SAN San Diego
21h 43m1 stop Raleigh-Durham
$1,159Multiple Airlines
Sat, Nov 21 - Sat, Nov 28

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Delta flights from San Diego to Portland, Maine

Our best Delta deals on San Diego to Portland, Maine flight tickets
Delta
Nov 10
SAN10:59 amSan Diego
9h 32m
1 stop
PWM11:31 pmPortland
Nov 11
PWM2:05 pmPortland
11h 29m
1 stop
SAN10:34 pmSan Diego
$329
Delta
Nov 10
SAN6:15 amSan Diego
14h 16m
2 stops
PWM11:31 pmPortland
Nov 11
PWM2:05 pmPortland
11h 29m
1 stop
SAN10:34 pmSan Diego
$334
Delta
Nov 10
SAN10:59 amSan Diego
10h 20m
2 stops
PWM12:19 amPortland
Nov 11
PWM12:45 pmPortland
13h 14m
2 stops
SAN10:59 pmSan Diego
$339

United Airlines flights from San Diego to Portland, Maine

Our best United Airlines deals on San Diego to Portland, Maine flight tickets
United Airlines
Nov 10
SAN6:35 amSan Diego
9h 14m
1 stop
PWM6:49 pmPortland
Nov 11
PWM5:08 pmPortland
8h 32m
1 stop
SAN10:40 pmSan Diego
$459
United Airlines
Nov 10
SAN10:40 amSan Diego
9h 41m
2 stops
PWM11:21 pmPortland
Nov 11
PWM5:08 pmPortland
8h 32m
1 stop
SAN10:40 pmSan Diego
$464
United Airlines
Nov 10
SAN10:40 amSan Diego
9h 41m
2 stops
PWM11:21 pmPortland
Nov 11
PWM5:50 amPortland
12h 38m
2 stops
SAN3:28 pmSan Diego
$470

momondo Fare Finder

 
Use the filters below to find and compare flights from San Diego to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Tue 11/10

10:59 am-11:31 pm

1 stop9h 32m

Portland

Wed 11/11

2:05 pm-10:34 pm

1 stop11h 29m

$329

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Tue 11/10

6:15 am-11:31 pm

2 stops14h 16m

Portland

Wed 11/11

2:05 pm-10:34 pm

1 stop11h 29m

$334

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Mon 11/9

10:40 pm-11:28 am

1 stop9h 48m

Portland

Sun 11/15

5:45 am-11:09 am

1 stop8h 24m

$391

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Thu 1/21

6:20 am-6:06 pm

1 stop8h 46m

Portland

Sat 1/23

7:00 am-1:08 pm

1 stop9h 08m

$399
Quickest round-trip

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Mon 1/11

11:20 am-9:45 pm

1 stop7h 25m

Portland

Fri 1/15

4:20 pm-11:25 pm

1 stop10h 05m

$399

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Mon 1/11

8:10 am-9:45 pm

2 stops10h 35m

Portland

Fri 1/15

4:20 pm-11:25 pm

1 stop10h 05m

$404

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Sun 1/31

6:50 am-9:03 pm

2 stops11h 13m

Portland

Fri 2/5

3:14 pm-9:18 pm

1 stop9h 04m

$432

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Tue 11/10

6:35 am-6:49 pm

1 stop9h 14m

Portland

Wed 11/11

5:08 pm-10:40 pm

1 stop8h 32m

$459

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Sat 11/7

4:53 pm-9:08 am

2 stops37h 15m

Portland

Wed 11/11

5:09 pm-11:52 am

1 stop21h 43m

$618

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Sat 11/21

5:29 pm-1:57 pm

2 stops41h 28m

Portland

Sat 11/28

5:09 pm-11:52 am

1 stop21h 43m

$1,159

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Portland from

How to get the cheapest flight ticket from San Diego to Portland, Maine

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 San Diego and Portland, Maine?

Prices are currently low for flights on this route.

Typical prices usually range from $552 to $750.
The lowest price recently found on this route was $329.

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from San Diego is in January. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $392.

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

As of October 2026, prices for San Diego to Portland, Maine flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from San Diego to Portland, Maine

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

Cheap San Diego to Portland, Maine (SAN to PWM) flight deals and tips

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

Best Price Found

$165

Fastest flight time

6h 58m

Direct flights

None
The best one-way flight to Portland, Maine from San Diego in the past 72 hours is $165. The best round-trip flight deal from San Diego to Portland, Maine found on momondo in the last 72 hours is $329.
The fastest flight from San Diego to Portland, Maine takes 6h 58m
There are no direct flights from San Diego to Portland, Maine. There are no popular flight routes from San Diego to Portland, Maine.
Search flight deals

Frequently asked questions about flying from San Diego to Portland, Maine

  • How far is San Diego to Portland by plane?

    Portland is 2617.3 mi away from San Diego. Flights usually cover this in 6h 58m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from San Diego Airport to Portland Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from San Diego to Portland, Maine

Compare and see reviews for airlines that fly from San Diego to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $296Free CancellationRating
7.8
8,681 reviews
Search Delta flights
United AirlinesPriceFrom $356Free CancellationRating
7.3
10,441 reviews
Search United Airlines flights
American AirlinesPriceFrom $375Free CancellationRating
7.0
12,189 reviews
Search American Airlines flights
SouthwestPriceFrom $449Free CancellationRating
7.9
4,218 reviews
Search Southwest flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Jackson
Boothbay Harbor
Brunswick
Lewiston
Freeport
Conway
Gorham
Auburn
Bartlett
Bath
Windham
Intervale
Georgetown
Oxford
Falmouth
Tamworth

Why use momondo?

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

It is quick and easy to find San Diego to Portland 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 Portland that suits you.

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

All flight searches from San Diego to Portland on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Portland from San Diego. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of San Diego to Portland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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