Cheap flights from Portland to Saint John from C$ 396

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Saint John departing on 16/10. 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

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Find the cheapest flights from Portland to Saint John

Cheap round-trip flights

Air Canada Logo
9:50 a.m. - 11:15 a.m.PDX-YSJ
21h 25m2 stops
Air Canada Logo
6:15 p.m. - 9:15 a.m.YSJ-PDX
19h 00m2 stops
C$ 966Air Canada
Find Deal
Thu, 30 Oct - Thu, 6 Nov
United Airlines Logo
6:00 a.m. - 5:14 p.m.PDX-YSJ
31h 14m3 stops
United Airlines Logo
11:55 a.m. - 8:29 p.m.YSJ-PDX
12h 34m2 stops
C$ 5,624United Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Saint John 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 96,600 searches. Data last updated 17 September 2025.
Use the filters below to find and compare flights from Portland to Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSaint John

PDX - YSJ

PDXYSJ

Portland

Thu 30/10

9:50 a.m.-11:15 a.m.

2 stops21h 25m

Saint John

Thu 6/11

6:15 p.m.-9:15 a.m.

2 stops19h 00m

C$ 966

PortlandSaint John

PDX - YSJ

PDXYSJ

Portland

Thu 30/10

6:00 a.m.-5:14 p.m.

3 stops31h 14m

Saint John

Thu 6/11

11:55 a.m.-8:29 p.m.

2 stops12h 34m

C$ 5,624

PortlandSaint John

PDX - YSJ

PDXYSJ

Portland

Thu 16/10

11:07 a.m.-10:00 a.m.

2 stops18h 53m

C$ 396

PortlandSaint John

PDX - YSJ

PDXYSJ

Portland

Thu 16/10

11:07 a.m.-3:45 p.m.

3 stops24h 38m

C$ 486

PortlandSaint John

PDX - YSJ

PDXYSJ

Portland

Wed 24/9

7:00 a.m.-12:11 a.m.

2 stops13h 11m

C$ 696

PortlandSaint John

PDX - YSJ

PDXYSJ

Portland

Wed 15/10

12:40 a.m.-10:00 a.m.

2 stops29h 20m

C$ 772

PortlandSaint John

PDX - YSJ

PDXYSJ

Portland

Wed 24/9

11:00 p.m.-3:45 p.m.

3 stops36h 45m

C$ 820

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Portland to Saint John

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What is the cheapest airline that flies from Portland to Saint John?

Air Canada is the most popular carrier operating from Portland to Saint John

When to book flights from Portland to Saint John

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Saint John according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Saint John (PDX to YSJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Saint John

Direct flights

None
There are no direct flights from Portland to Saint John. There are no popular flight routes from Portland to Saint John.
  • How far is Portland to Saint John by plane?

    There are 4321.9 km between Portland and Saint John. A reasonable flight in good conditions will take 21h 25m.

  • When did momondo last update prices for flights from Portland Airport to Saint John Airport?

    Prices for flights from Portland Airport to Saint John Airport refresh daily.

  • How old do you have to be to fly from Portland Airport to Saint John Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Saint John Airport.

  • What documentation or ID do you need to fly to Saint John Airport?

    The travel and health documents you'll need for your trip to Saint John Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint John Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Saint John?

Book flights to Saint John if you plan to visit one of these locations
Sussex

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Saint John?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Saint John. momondo saves you time and could save you money on your trip.

Can I find flights from Portland to Saint John with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portland to Saint John flights to just show those with flexible booking policies.

How can momondo help me find flights from Portland to Saint John?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Saint John from Portland.

I’m not ready to book a flight from Portland to Saint John right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Saint John, momondo offers a useful price alert feature which will track prices for flights to Saint John from Portland and alert you when they change.

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1 adult
Fri 17/10
Fri 24/10

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