Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Diego to Portland from $167

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Portland departing on 8/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
American Airlines Logo
6:15 am - 6:06 pm
SAN
-
PWM
8h 51m
1 stop
American Airlines Logo
6:09 pm - 11:47 pm
PWM
-
SAN
8h 38m
1 stop
$333American Airlines
Mon, Aug 24 - Wed, Aug 26
Delta Logo
10:25 pm - 2:13 pm
SAN
-
PWM
12h 48m
2 stops
Delta Logo
6:00 am - 11:38 am
PWM
-
SAN
8h 38m
1 stop
$338Delta
Mon, Aug 24 - Wed, Aug 26
American Airlines Logo
1:07 pm - 12:43 am
SAN
-
PWM
8h 36m
1 stop
American Airlines Logo
5:30 am - 11:06 am
PWM
-
SAN
8h 36m
1 stop
$339American Airlines
Tue, Aug 4 - Tue, Aug 11
American Airlines Logo
6:19 am - 8:06 pm
SAN
-
PWM
10h 47m
1 stop
American Airlines Logo
7:05 am - 12:48 pm
PWM
-
SAN
8h 43m
1 stop
$341American Airlines
Thu, Aug 27 - Sun, Sep 6
Southwest Logo
9:00 pm - 9:55 am
SAN
-
PWM
9h 55m
2 stops
Southwest Logo
1:05 pm - 8:20 pm
PWM
-
SAN
10h 15m
2 stops
$343Southwest
Mon, Aug 24 - Wed, Aug 26
Delta Logo
6:15 am - 11:13 pm
SAN
-
PWM
13h 58m
2 stops
Delta Logo
6:00 am - 11:38 am
PWM
-
SAN
8h 38m
1 stop
$348Delta
Wed, Aug 26 - Wed, Sep 2
Delta Logo
6:15 am - 11:13 pm
SAN
-
PWM
13h 58m
2 stops
Delta Logo
11:50 am - 6:06 pm
PWM
-
SAN
9h 16m
2 stops
$353Delta
Wed, Aug 26 - Wed, Sep 2
American Airlines Logo
10:45 pm - 11:38 am
SAN
-
PWM
9h 53m
1 stop
American Airlines Logo
6:09 pm - 11:47 pm
PWM
-
SAN
8h 38m
1 stop
$355American Airlines
Sat, Sep 5 - Tue, Sep 8
American Airlines Logo
10:45 pm - 11:38 am
SAN
-
PWM
9h 53m
1 stop
American Airlines Logo
6:09 pm - 11:47 pm
PWM
-
SAN
8h 38m
1 stop
$356American Airlines
Sat, Sep 5 - Tue, Sep 8
Southwest Logo
6:15 am - 10:35 pm
SAN
-
PWM
13h 20m
1 stop
Southwest Logo
5:20 am - 12:40 pm
PWM
-
SAN
10h 20m
2 stops
$357Southwest
Wed, Oct 14 - Mon, Oct 19

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from San Diego to Portland, Maine

Our best Delta deals on San Diego to Portland, Maine flight tickets
Delta
Aug 24
SAN10:25 pmSan Diego
12h 48m
2 stops
PWM2:13 pmPortland
Aug 26
PWM6:00 amPortland
8h 38m
1 stop
SAN11:38 amSan Diego
$338
Delta
Aug 26
SAN6:15 amSan Diego
13h 58m
2 stops
PWM11:13 pmPortland
Sep 2
PWM6:00 amPortland
8h 38m
1 stop
SAN11:38 amSan Diego
$348
Delta
Aug 26
SAN6:15 amSan Diego
13h 58m
2 stops
PWM11:13 pmPortland
Sep 2
PWM11:50 amPortland
9h 16m
2 stops
SAN6:06 pmSan Diego
$353

American Airlines flights from San Diego to Portland, Maine

Our best American Airlines deals on San Diego to Portland, Maine flight tickets
American Airlines
Aug 24
SAN6:15 amSan Diego
8h 51m
1 stop
PWM6:06 pmPortland
Aug 26
PWM6:09 pmPortland
8h 38m
1 stop
SAN11:47 pmSan Diego
$333
American Airlines
Aug 27
SAN6:19 amSan Diego
10h 47m
1 stop
PWM8:06 pmPortland
Sep 6
PWM7:05 amPortland
8h 43m
1 stop
SAN12:48 pmSan Diego
$339
American Airlines
Aug 27
SAN6:19 amSan Diego
10h 47m
1 stop
PWM8:06 pmPortland
Sep 6
PWM7:05 amPortland
8h 43m
1 stop
SAN12:48 pmSan Diego
$341

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Portland, Maine that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 16, 2026.
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 - PWM

SANPWM

San Diego

Mon 8/24

6:15 am-6:06 pm

1 stop8h 51m

Portland

Wed 8/26

6:09 pm-11:47 pm

1 stop8h 38m

$333

San DiegoPortland

SAN - PWM

SANPWM

San Diego

Mon 8/24

10:25 pm-2:13 pm

2 stops12h 48m

Portland

Wed 8/26

6:00 am-11:38 am

1 stop8h 38m

$338
Quickest round-trip

San DiegoPortland

SAN - PWM

SANPWM

San Diego

Tue 8/4

1:07 pm-12:43 am

1 stop8h 36m

Portland

Tue 8/11

5:30 am-11:06 am

1 stop8h 36m

$339

San DiegoPortland

SAN - PWM

SANPWM

San Diego

Thu 8/27

6:19 am-8:06 pm

1 stop10h 47m

Portland

Sun 9/6

7:05 am-12:48 pm

1 stop8h 43m

$341

San DiegoPortland

SAN - PWM

SANPWM

San Diego

Mon 8/24

9:00 pm-9:55 am

2 stops9h 55m

Portland

Wed 8/26

1:05 pm-8:20 pm

2 stops10h 15m

$343

San DiegoPortland

SAN - PWM

SANPWM

San Diego

Wed 8/26

6:15 am-11:13 pm

2 stops13h 58m

Portland

Wed 9/2

6:00 am-11:38 am

1 stop8h 38m

$348

San DiegoPortland

SAN - PWM

SANPWM

San Diego

Wed 8/26

6:15 am-11:13 pm

2 stops13h 58m

Portland

Wed 9/2

11:50 am-6:06 pm

2 stops9h 16m

$353

San DiegoPortland

SAN - PWM

SANPWM

San Diego

Sat 9/5

10:45 pm-11:38 am

1 stop9h 53m

Portland

Tue 9/8

6:09 pm-11:47 pm

1 stop8h 38m

$355

San DiegoPortland

SAN - PWM

SANPWM

San Diego

Sat 9/5

10:45 pm-11:38 am

1 stop9h 53m

Portland

Tue 9/8

6:09 pm-11:47 pm

1 stop8h 38m

$356

San DiegoPortland

SAN - PWM

SANPWM

San Diego

Wed 10/14

6:15 am-10:35 pm

1 stop13h 20m

Portland

Mon 10/19

5:20 am-12:40 pm

2 stops10h 20m

$357

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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 October is also cheap. Prices for this month can be found on momondo for an average of $344.

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

As of July 2026, prices for San Diego to Portland, Maine flights are approximately 60% more expensive 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

Fastest flight time

7h 00m

Direct flights

None
The fastest flight from San Diego to Portland, Maine takes 7h 00m
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 7h 00m, 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
American AirlinesPriceFrom $312Free CancellationRating
7.1
11,814 reviews
Search American Airlines flights
DeltaPriceFrom $312Free CancellationRating
7.8
8,471 reviews
Search Delta flights
SouthwestPriceFrom $361Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $362Free CancellationRating
7.4
9,993 reviews
Search United Airlines flights

Traveling to a place near Portland?

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

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 8/15
Sat 8/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States