$168 Cheap United flights from San Diego to Portland (SAN to PWM)

Find The Best Day To Fly from San Diego to Portland

Amazing United SAN to PWM Flight Deals

The cheapest flights to Portland Intl. Jetport found within the past 7 days were $338 round trip and $168 one way. Prices and availability subject to change. Additional terms may apply.

Mon, Aug 25 - Wed, Aug 27
SAN
San Diego
PWM
Portland
$338 Roundtrip, found 5 days ago
$338
Roundtrip
found 5 days ago
Select United flight, departing Mon, Aug 25 from San Diego to Portland, returning Wed, Aug 27, priced at $338 found 5 days ago
Wed, Aug 27 - Sat, Sep 6
SAN
San Diego
PWM
Portland
$353 Roundtrip, found 3 days ago
$353
Roundtrip
found 3 days ago
Select United flight, departing Wed, Aug 27 from San Diego to Portland, returning Sat, Sep 6, priced at $353 found 3 days ago
Sat, Aug 16 - Wed, Aug 27
SAN
San Diego
PWM
Portland
$373 Roundtrip, found 1 day ago
$373
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 16 from San Diego to Portland, returning Wed, Aug 27, priced at $373 found 1 day ago
Sat, Aug 16 - Wed, Aug 27
SAN
San Diego
PWM
Portland
$378 Roundtrip, found 1 day ago
$378
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 16 from San Diego to Portland, returning Wed, Aug 27, priced at $378 found 1 day ago

PWM From SAN Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
The McKernan Inn

The McKernan Inn

3 out of 5
per person
Aug 5 - Aug 8
found 1 day ago
Roundtrip flight included
San Diego (SAN) to Portland (PWM)
Chebeague Island Inn

Chebeague Island Inn

4 out of 5
per person
Aug 5 - Aug 8
found 1 day ago
Roundtrip flight included
San Diego (SAN) to Portland (PWM)
Blind Tiger Portland – Carleton Street

Blind Tiger Portland – Carleton Street

3.5 out of 5
per person
Aug 5 - Aug 8
found 1 day ago
Roundtrip flight included
San Diego (SAN) to Portland (PWM)
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Frequently asked questions

Can I catch a flight from San Diego Airport to PWM right now?
For any present Portland Intl. Jetport quarantine requirements and travel advice, go to the Covid-19 Travel Advisor. Look before you arrange your flight, so you don't get caught out.
What terminal is United Airlines at SAN?
If you're flying with United Airlines from SAN to Portland Intl. Jetport, you should be able to find out the terminal information when you get your ticket. If not, get in touch with your airline.
Are there United Airlines non-stop flights from SAN to PWM?
As you can't fly direct from San Diego Intl. Airport (SAN) to Portland Intl. Jetport Airport (PWM) with United Airlines, make the most of your layover. Relax with one of your favorite refreshments at a cozy airport bar, or wander around the terminal and enjoy some retail therapy.
How long is a United Airlines flight from SAN to PWM?
Enjoy some in-flight shut-eye and start your vacation feeling refreshed. You'll have plenty of time to do so when traveling with United Airlines between SAN and PWM, with the flight taking roughly 6 hours and 48 minutes.
How many direct and indirect flights does United Airlines fly from SAN to PWM?
If you want to book a journey from SAN to PWM, you can choose from approximately 3 United Airlines flights per day.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Portland Intl. Jetport Airport (PWM), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from San Diego SAN to Portland PWM 

To find the best deals on flights to San Diego from Portland with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from San Diego SAN to Portland PWM with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $338 to $378, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from San Diego SAN to Portland PWM 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from San Diego to Portland costs from $168. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Portland PWM from  San Diego SAN with United 

To find a cheap United flight from San Diego SAN to Portland PWM, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from San Diego SAN to Portland PWM 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as August, or if you book a flight with a stopover. 

 

Find nonstop flights from San Diego SAN to Portland PWM with United 

If you’re keen to be on Portland soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from San Diego SAN to Portland PWM 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Portland PWM from  San Diego SAN with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to Portland

Clarion Hotel Portland

Clarion Hotel Portland

2.5 out of 5
1230 Congress St, Portland, ME
This hotel features an indoor pool and a gym. Traveling on business? Take advantage of the business center, free WiFi in public areas, and free airport shuttle. ...
7.8/10 Good! (1,026 reviews)
"Closely located to airport and local attractions and great food options"

Reviewed on Jul 14, 2025

Clarion Hotel Portland
Days Inn by Wyndham Airport/Maine Mall

Days Inn by Wyndham Airport/Maine Mall

2 out of 5
461 Maine Mall Rd, South Portland, ME
This hotel features an indoor pool and a 24-hour gym. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public areas, and free ...
7.8/10 Good! (1,027 reviews)
"The Jamaican lady at the desk was very helpful"

Reviewed on Jul 14, 2025

Days Inn by Wyndham Airport/Maine Mall
Embassy Suites by Hilton Portland Maine

Embassy Suites by Hilton Portland Maine

3.5 out of 5
1050 Westbrook Street, Portland, ME
This hotel features a restaurant, an indoor pool, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public ...
9.4/10 Exceptional! (1,108 reviews)
"This hotel was close to the airport. Great contenental breakfast and close to Portland areas of interest."

Reviewed on Jul 14, 2025

Embassy Suites by Hilton Portland Maine
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.