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$257+ Cheap flights from Saint John (YSJ) to Portland (PDX)

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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — PDX
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2410:45 amYSJ - PDX
3 stops29h 03mMultiple Airlines
Deal found 9/9$257
This Air Canada deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/255:55 amYSJ - PDX
2 stops12h 51mAir Canada
Deal found 9/10$317
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/255:55 amYSJ - PDX
3 stops20h 50mUnited Airlines
Deal found 9/10$411

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 2,558,603 searches. Data last updated September 11, 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

Fri 10/24

10:45 am-11:48 am

3 stops29h 03m

$257

Saint JohnPortland

YSJ - PDX

YSJPDX

Saint John

Sat 10/25

5:55 am-2:46 pm

2 stops12h 51m

$317

Saint JohnPortland

YSJ - PDX

YSJPDX

Saint John

Sat 10/25

5:55 am-10:45 pm

3 stops20h 50m

$411

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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, November is the cheapest month in which you can book a flight from Saint John to Portland (average of $277). Flying from Saint John to Portland in March is currently the most expensive (average of $368). 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.

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Traveling to a place near Portland?

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Vancouver
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Beaverton
Clackamas
McMinnville
Lake Oswego
Hillsboro
Cannon Beach
Long Beach
Longview
Lincoln City
Tigard
Depoe Bay
Stevenson
Wilsonville
Pacific City
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Tillamook
Gresham
Silverton

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