Cheap flights from Saint John to Portland from C$ 439

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/10. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — PDX
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Find flight deals from St John to Portland

One-way flights from St John to Portland
Search for one-way flight options from St John to Portland. Find affordable one-way fares based on user searches. Data last updated 11 September 2025.

Sat 25/105:55 a.m.YSJ - PDX
2 stops12h 51mAir Canada
Deal found 10/9C$ 439
Sat 25/105:55 a.m.YSJ - PDX
3 stops20h 50mUnited Airlines
Deal found 10/9C$ 570

Cheapflights Fare Finder

 
Customize your flight search to find flights from St John to Portland 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, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from Saint John to Portland that are best for you.

Fly from

St John

Fly to

Portland

Route

Depart

Return

Price

Saint JohnPortland

YSJ - PDX

YSJPDX

Saint John

Sat 25/10

5:55 a.m.-2:46 p.m.

2 stops12h 51m

C$ 439

Saint JohnPortland

YSJ - PDX

YSJPDX

Saint John

Sat 25/10

5:55 a.m.-10:45 p.m.

3 stops20h 50m

C$ 570

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Best time to book a flight from St John to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from St John with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from St John to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from St John to Portland that include hotel bookings?

    Yes. In addition to deals on St John to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St John to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St John to Portland.

  • Can I find deals for business class flights from St John to Portland?

    Yes. Cheapflights offers flight deals from St John to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Saint John to Portland?

    Currently, August is the cheapest month in which you can book a flight from Saint John to Portland (average of C$ 259). Flying from Saint John to Portland in December is currently the most expensive (average of C$ 404). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Tillamook
Cannon Beach
Lincoln City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St John to Portland?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Portland from St John today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from St John to Portland?

Millions of users choose and trust Cheapflights to book the best flight deals from St John to Portland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from St John to Portland with no change fees?

Certainly. Search results for flights to Portland from St John shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from St John to Portland become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.