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Cheap flights from San Diego to Portland from $179

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
6:20 am - 6:56 pmSAN  San Diego-PWM Portland
9h 36m1 stop Philadelphia
American Airlines Logo
4:23 pm - 9:37 pmPWM  Portland-SAN San Diego
8h 14m1 stop Charlotte Douglas
$357American Airlines
Sat, Oct 24 - Thu, Oct 29
American Airlines Logo
10:40 pm - 12:11 pmSAN  San Diego-PWM Portland
10h 31m1 stop Chicago O'Hare Intl
American Airlines Logo
5:45 pm - 11:19 pmPWM  Portland-SAN San Diego
8h 34m1 stop Chicago O'Hare Intl
$357American Airlines
Sat, Oct 17 - Wed, Oct 21
United Airlines Logo
9:20 pm - 9:00 amSAN  San Diego-PWM Portland
8h 40m1 stop Newark
United Airlines Logo
3:23 pm - 8:36 pmPWM  Portland-SAN San Diego
8h 13m1 stop Denver Intl
$357United Airlines
Sat, Oct 24 - Sat, Oct 31
United Airlines Logo
9:45 pm - 10:02 amSAN  San Diego-PWM Portland
9h 17m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
5:15 am - 11:25 amPWM  Portland-SAN San Diego
9h 10m1 stop Washington, D.C. Dulles Intl
$357United Airlines
Tue, Sep 29 - Sat, Oct 3
Southwest Logo
6:30 am - 7:25 pmSAN  San Diego-PWM Portland
9h 55m1 stop Chicago Midway
Southwest Logo
5:20 am - 12:40 pmPWM  Portland-SAN San Diego
10h 20m2 stops Baltimore/Washington Denver Intl
$362Southwest
Sat, Oct 24 - Thu, Oct 29
Delta Logo
6:15 am - 12:10 amSAN  San Diego-PWM Portland
14h 55m2 stops Los Angeles New York John F Kennedy Intl
Delta Logo
4:15 pm - 11:46 pmPWM  Portland-SAN San Diego
10h 31m1 stop New York John F Kennedy Intl
$362Delta
Thu, Oct 15 - Wed, Oct 21
Delta Logo
7:59 pm - 10:50 amSAN  San Diego-PWM Portland
11h 51m2 stops Los Angeles Minneapolis St Paul
Delta Logo
4:15 pm - 11:46 pmPWM  Portland-SAN San Diego
10h 31m1 stop New York John F Kennedy Intl
$362Delta
Thu, Oct 22 - Mon, Oct 26
Southwest Logo
6:30 am - 7:25 pmSAN  San Diego-PWM Portland
9h 55m1 stop Chicago Midway
Southwest Logo
6:00 pm - 11:20 pmPWM  Portland-SAN San Diego
8h 20m1 stop Chicago Midway
$443Southwest
Sat, Oct 24 - Wed, Oct 28
Multiple Airlines Logo
1:22 pm - 4:24 pmSAN  San Diego-PWM Portland
24h 02m1 stop Raleigh-Durham
Multiple Airlines Logo
5:09 pm - 11:56 pmPWM  Portland-SAN San Diego
33h 47m2 stops Raleigh-Durham Denver Intl
$463Multiple Airlines
Tue, Oct 13 - Tue, Oct 20
Multiple Airlines Logo
1:22 pm - 4:24 pmSAN  San Diego-PWM Portland
24h 02m1 stop Raleigh-Durham
Multiple Airlines Logo
5:09 pm - 11:56 pmPWM  Portland-SAN San Diego
33h 47m2 stops Raleigh-Durham Denver Intl
$463Multiple Airlines
Tue, Oct 13 - Tue, Oct 20

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United Airlines flights from San Diego to Portland, Maine

Our best United Airlines deals on San Diego to Portland, Maine flight tickets
United Airlines
Oct 24
SAN9:20 pmSan Diego
8h 40m
1 stop
PWM9:00 amPortland
Oct 31
PWM3:23 pmPortland
8h 13m
1 stop
SAN8:36 pmSan Diego
$357
United Airlines
Oct 16
SAN10:20 pmSan Diego
7h 48m
1 stop
PWM9:08 amPortland
Oct 20
PWM5:08 pmPortland
8h 33m
1 stop
SAN10:41 pmSan Diego
$407
United Airlines
Oct 2
SAN10:30 pmSan Diego
9h 10m
1 stop
PWM10:40 amPortland
Oct 6
PWM3:41 pmPortland
9h 38m
1 stop
SAN10:19 pmSan Diego
$449

Delta flights from San Diego to Portland, Maine

Our best Delta deals on San Diego to Portland, Maine flight tickets
Delta
Oct 24
SAN6:15 amSan Diego
11h 45m
2 stops
PWM9:00 pmPortland
Oct 29
PWM6:28 amPortland
12h 57m
2 stops
SAN4:25 pmSan Diego
$368
Delta
Oct 15
SAN6:15 amSan Diego
14h 55m
2 stops
PWM12:10 amPortland
Oct 21
PWM4:15 pmPortland
10h 31m
1 stop
SAN11:46 pmSan Diego
$378
Delta
Sep 29
SAN6:54 pmSan Diego
12h 51m
2 stops
PWM10:45 amPortland
Oct 3
PWM6:38 amPortland
11h 23m
2 stops
SAN3:01 pmSan Diego
$384

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

Sat 10/24

6:20 am-6:56 pm

1 stop9h 36m

Portland

Thu 10/29

4:23 pm-9:37 pm

1 stop8h 14m

$357

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Sat 10/17

10:40 pm-12:11 pm

1 stop10h 31m

Portland

Wed 10/21

5:45 pm-11:19 pm

1 stop8h 34m

$357
Quickest round-trip

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Sat 10/24

9:20 pm-9:00 am

1 stop8h 40m

Portland

Sat 10/31

3:23 pm-8:36 pm

1 stop8h 13m

$357

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Tue 9/29

9:45 pm-10:02 am

1 stop9h 17m

Portland

Sat 10/3

5:15 am-11:25 am

1 stop9h 10m

$357

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Sat 10/24

6:30 am-7:25 pm

1 stop9h 55m

Portland

Thu 10/29

5:20 am-12:40 pm

2 stops10h 20m

$362

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Thu 10/15

6:15 am-12:10 am

2 stops14h 55m

Portland

Wed 10/21

4:15 pm-11:46 pm

1 stop10h 31m

$362

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Thu 10/22

7:59 pm-10:50 am

2 stops11h 51m

Portland

Mon 10/26

4:15 pm-11:46 pm

1 stop10h 31m

$362

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Sat 10/24

6:30 am-7:25 pm

1 stop9h 55m

Portland

Wed 10/28

6:00 pm-11:20 pm

1 stop8h 20m

$443

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Tue 10/13

1:22 pm-4:24 pm

1 stop24h 02m

Portland

Tue 10/20

5:09 pm-11:56 pm

2 stops33h 47m

$463

San DiegoPortland

SAN San Diego - PWM Portland

SANPWM

San Diego

Tue 10/13

1:22 pm-4:24 pm

1 stop24h 02m

Portland

Tue 10/20

5:09 pm-11:56 pm

2 stops33h 47m

$463

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 $447 to $722.
The lowest price recently found on this route was $357.

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 September 2026, prices for San Diego to Portland, Maine flights are approximately 4% 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

Best Price Found

$179

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 $179. The best round-trip flight deal from San Diego to Portland, Maine found on momondo in the last 72 hours is $357.
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
8,554 reviews
Search Delta flights
United AirlinesPriceFrom $362Free CancellationRating
7.4
10,194 reviews
Search United Airlines flights
American AirlinesPriceFrom $375Free CancellationRating
7.1
12,045 reviews
Search American Airlines flights
SouthwestPriceFrom $446Free CancellationRating
8.0
4,195 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
Lewiston
Brunswick
Freeport
Auburn
Gorham
Conway
Bartlett
Windham
Bath
Intervale
Oxford
Georgetown
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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