Cheap flights from Portland, Maine to St. John's from $349

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, Maine to St. John's departing on 7/22. 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
0 bags

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Find the cheapest flights from Portland, Maine to St. John's

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:15 am - 1:46 am
PWM
-
YYT
19h 01m
2 stops
United Airlines Logo
5:35 am - 11:51 pm
YYT
-
PWM
19h 46m
2 stops
$728United Airlines
Fri, Jul 17 - Sat, Jul 18
United Airlines Logo
5:15 am - 12:45 am
PWM
-
YYT
18h 00m
2 stops
United Airlines Logo
5:35 am - 10:01 pm
YYT
-
PWM
17h 56m
2 stops
$759United Airlines
Wed, Sep 2 - Tue, Sep 15
Air Canada Logo
9:10 am - 12:36 am
PWM
-
YYT
13h 56m
2 stops
Air Canada Logo
7:30 am - 11:30 pm
YYT
-
PWM
17h 30m
2 stops
$765Air Canada
Sat, Jun 13 - Sat, Jun 20
United Airlines Logo
5:15 am - 1:46 am
PWM
-
YYT
19h 01m
2 stops
United Airlines Logo
5:35 am - 11:51 pm
YYT
-
PWM
19h 46m
2 stops
$766United Airlines
Thu, Jul 16 - Fri, Jul 17
Air Canada Logo
6:53 pm - 1:00 pm
PWM
-
YYT
16h 37m
2 stops
Air Canada Logo
1:15 pm - 9:22 am
YYT
-
PWM
21h 37m
2 stops
$769Air Canada
Fri, Sep 4 - Sat, Sep 19
Air Canada Logo
6:00 am - 12:45 am
PWM
-
YYT
17h 15m
2 stops
Air Canada Logo
5:40 pm - 9:22 am
YYT
-
PWM
17h 12m
2 stops
$774Air Canada
Thu, Sep 3 - Sat, Sep 19
United Airlines Logo
6:53 pm - 1:00 pm
PWM
-
YYT
16h 37m
2 stops
United Airlines Logo
5:00 am - 9:23 pm
YYT
-
PWM
17h 53m
2 stops
$788United Airlines
Wed, Sep 2 - Sat, Sep 5
Air Canada Logo
3:47 pm - 10:28 am
PWM
-
YYT
17h 11m
2 stops
Air Canada Logo
1:15 pm - 9:22 am
YYT
-
PWM
21h 37m
2 stops
$794Air Canada
Sat, Sep 5 - Sat, Sep 19
United Airlines Logo
6:00 am - 12:45 am
PWM
-
YYT
17h 15m
2 stops
United Airlines Logo
5:35 am - 11:51 pm
YYT
-
PWM
19h 46m
2 stops
$797United Airlines
Mon, Jul 13 - Sun, Jul 19
Air Canada Logo
9:10 am - 8:03 pm
PWM
-
YYT
9h 23m
2 stops
Air Canada Logo
5:40 pm - 9:23 am
YYT
-
PWM
17h 13m
2 stops
$798Air Canada
Fri, Jun 26 - Fri, Jul 3

Air Canada flights from Portland, Maine to St. John's

Our best Air Canada deals on Portland, Maine to St. John's flight tickets
Air Canada
Jun 13
PWM9:10 amPortland
13h 56m
2 stops
YYT12:36 amSt John's
Jun 20
YYT7:30 amSt John's
17h 30m
2 stops
PWM11:30 pmPortland
$765
Air Canada
Sep 4
PWM6:53 pmPortland
16h 37m
2 stops
YYT1:00 pmSt John's
Sep 19
YYT1:15 pmSt John's
21h 37m
2 stops
PWM9:22 amPortland
$769
Air Canada
Sep 3
PWM6:00 amPortland
17h 15m
2 stops
YYT12:45 amSt John's
Sep 19
YYT5:40 pmSt John's
17h 12m
2 stops
PWM9:22 amPortland
$774

United Airlines flights from Portland, Maine to St. John's

Our best United Airlines deals on Portland, Maine to St. John's flight tickets
United Airlines
Jul 17
PWM5:15 amPortland
19h 01m
2 stops
YYT1:46 amSt John's
Jul 18
YYT5:35 amSt John's
19h 46m
2 stops
PWM11:51 pmPortland
$728
United Airlines
Sep 2
PWM5:15 amPortland
18h 00m
2 stops
YYT12:45 amSt John's
Sep 15
YYT5:35 amSt John's
17h 56m
2 stops
PWM10:01 pmPortland
$759
United Airlines
Jul 16
PWM5:15 amPortland
19h 01m
2 stops
YYT1:46 amSt John's
Jul 17
YYT5:35 amSt John's
19h 46m
2 stops
PWM11:51 pmPortland
$766

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to St. John's 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 832,500 searches. Data last updated May 17, 2026.
Use the filters below to find and compare flights from Portland, Maine to St. John's that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSt. John's

PWM - YYT

PWMYYT

Portland

Fri 7/17

5:15 am-1:46 am

2 stops19h 01m

St John's

Sat 7/18

5:35 am-11:51 pm

2 stops19h 46m

$728

PortlandSt. John's

PWM - YYT

PWMYYT

Portland

Wed 9/2

5:15 am-12:45 am

2 stops18h 00m

St John's

Tue 9/15

5:35 am-10:01 pm

2 stops17h 56m

$759

PortlandSt. John's

PWM - YYT

PWMYYT

Portland

Sat 6/13

9:10 am-12:36 am

2 stops13h 56m

St John's

Sat 6/20

7:30 am-11:30 pm

2 stops17h 30m

$765

PortlandSt. John's

PWM - YYT

PWMYYT

Portland

Thu 7/16

5:15 am-1:46 am

2 stops19h 01m

St John's

Fri 7/17

5:35 am-11:51 pm

2 stops19h 46m

$766

PortlandSt. John's

PWM - YYT

PWMYYT

Portland

Fri 9/4

6:53 pm-1:00 pm

2 stops16h 37m

St John's

Sat 9/19

1:15 pm-9:22 am

2 stops21h 37m

$769

PortlandSt. John's

PWM - YYT

PWMYYT

Portland

Thu 9/3

6:00 am-12:45 am

2 stops17h 15m

St John's

Sat 9/19

5:40 pm-9:22 am

2 stops17h 12m

$774

PortlandSt. John's

PWM - YYT

PWMYYT

Portland

Wed 9/2

6:53 pm-1:00 pm

2 stops16h 37m

St John's

Sat 9/5

5:00 am-9:23 pm

2 stops17h 53m

$788

PortlandSt. John's

PWM - YYT

PWMYYT

Portland

Sat 9/5

3:47 pm-10:28 am

2 stops17h 11m

St John's

Sat 9/19

1:15 pm-9:22 am

2 stops21h 37m

$794

PortlandSt. John's

PWM - YYT

PWMYYT

Portland

Mon 7/13

6:00 am-12:45 am

2 stops17h 15m

St John's

Sun 7/19

5:35 am-11:51 pm

2 stops19h 46m

$797
Quickest round-trip

PortlandSt. John's

PWM - YYT

PWMYYT

Portland

Fri 6/26

9:10 am-8:03 pm

2 stops9h 23m

St John's

Fri 7/3

5:40 pm-9:23 am

2 stops17h 13m

$798

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to St. John's from

How to get the cheapest flight ticket from Portland, Maine to St. John's

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 cheapest airline that flies from Portland to St John's?

United Airlines and American Airlines are the most popular carriers operating from Portland to St John's

When to book flights from Portland, Maine to St. John's

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

Cheap Portland, Maine to St. John's (PWM to YYT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to St. John's

Fastest flight time

9h 23m

Direct flights

None
The fastest flight from Portland, Maine to St. John's takes 9h 23m
There are no direct flights from Portland, Maine to St. John's. There are no popular flight routes from Portland, Maine to St. John's.

Frequently asked questions about flying from Portland, Maine to St. John's

  • How far is Portland to St John's by plane?

    St John's is 887.0 mi away from Portland. By plane, this route typically takes 9h 23m.

  • When did momondo last update prices for flights from Portland Airport to St John's Airport?

    Prices for flights from Portland Airport to St John's Airport were last updated today.

  • How old do you have to be to fly from Portland Airport to St John's 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 Portland Airport to St John's Airport.

  • What documentation or ID do you need to fly to St John's Airport?

    The travel and health documents you'll need for your trip to St John's 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 St John's Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Portland to St. John's?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to St. John's for you.

Can I find flights from Portland to St. John's with flexible booking policies on momondo?

Flights from Portland to St. John's with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to St. John's?

momondo helps you find the best flight between Portland and St. John's by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Portland to St. John's 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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1 adult
Tue 6/16
Tue 6/23

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