$685+ Cheap flights from Seattle (SEA) to Saint John (YSJ)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YSJ
Feb 25 — Mar 41
1 adult, Economy
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1. Tell us where you want to go
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to St John
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to St John (YSJ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 20, 2025.
Round-trip from | $685 (Air Canada) |
|---|
Find flight deals from Seattle to St John
Cheapest flights from Seattle to St JohnExplore the most affordable flight options available from Seattle to St John. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
Explore the most affordable flight options available from Seattle to St John. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
This Air Canada deal was found by Cheapflights users on 2/20. 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.
Thu 4/35:45 amSEA - YSJ
2 stops14h 39mAir Canada
Sat 4/125:20 amYSJ - SEA
2 stops13h 03mAir Canada
Deal found 2/20![Air Canada logo]()
$685
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/611:30 amSEA - YSJ
3 stops23h 54mMultiple Airlines
Sun 4/1312:20 pmYSJ - SEA
2 stops37h 38mMultiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$699
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 4/75:10 pmSEA - YSJ
2 stops27h 14mUnited Airlines
Mon 4/144:30 pmYSJ - SEA
3 stops34h 20mUnited Airlines
Deal found 2/20![United Airlines logo]()
$1,033
Find flights from Seattle to St John within your budget
Customize your flight search to find flights from Seattle to St 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, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
Fly from
Seattle
Fly to
St John
Route
Depart
Return
Price
SeattleSaint John
SEA - YSJ
SEAYSJ
Seattle/Tacoma Intl
Thu 4/3
5:45 am-12:24 am
2 stops14h 39m
Saint John
Sat 4/12
5:20 am-2:23 pm
2 stops13h 03m
$685
SeattleSaint John
SEA - YSJ
SEAYSJ
Seattle/Tacoma Intl
Sun 4/6
11:30 am-3:24 pm
3 stops23h 54m
Saint John
Sun 4/13
12:20 pm-9:58 pm
2 stops37h 38m
$699
SeattleSaint John
SEA - YSJ
SEAYSJ
Seattle/Tacoma Intl
Mon 4/7
5:10 pm-12:24 am
2 stops27h 14m
Saint John
Mon 4/14
4:30 pm-10:50 pm
3 stops34h 20m
$1,033
Best time to book a flight from Seattle to St John
Have a flexible travel schedule? Discover the best time to fly to St John from Seattle 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.
Travel insights for flights from Seattle to St John
Get recent, data-driven insights about flights from Seattle to St John including ideal travel times, pricing trends, and more.
Rainfall in St John by month
Plan your trip to St John by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Saint John ranges from 3.2 - 5.3 inches per month. November is typically the wettest month, when rainfall can reach 5.3 in. August is typically the driest time to visit Saint John when rainfall is around 3.2 in.
Temperature in St John by month
Plan your trip to St John by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Saint John, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).
Reviews of airlines servicing St John
Get insights into the airlines that provide service to St John. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St John. Reviews last updated February 20, 2025.
Crew
8.1
Boarding
7.7
Comfort
7.3
Food
6.7
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDeb,Jan 2025
MKE - ORD
Crew
8.1
Boarding
7.7
Comfort
7.3
Food
6.7
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDeb,Jan 2025
MKE - ORD
Crew
8.1
Boarding
7.7
Comfort
7.3
Food
6.7
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDeb,Jan 2025
MKE - ORD