In terms of precipitation, rainfall in New Brunswick ranges from 3.0 - 4.2 inches per month. March is typically the wettest month, when rainfall can reach 4.2 in. August is typically the driest time to visit New Brunswick when rainfall is around 3.0 in.

If weather is an important factor for your trip to New Brunswick, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).

What is the cheapest time of day to fly from WA to NB?

When flying from State of Washington to New Brunswick, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Washington to New Brunswick that include hotel bookings?

Yes. In addition to deals on Washington to New Brunswick flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington to New Brunswick?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to New Brunswick.

Can I find deals for business class flights from Washington to New Brunswick?

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

$457+ Flights from Washington to New Brunswick

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Cheap flight deals from Washington to New Brunswick

Round-trip from	$664 (Air Canada)

From Washington to New Brunswick

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Find flight deals from Washington to New Brunswick

Cheapest flights from Washington to New Brunswick
Explore the most affordable flight options available from Washington to New Brunswick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Fri 9/1212:00 pmSEA - YSJ

1 stop8h 11mAir Canada

Fri 9/195:55 amYSJ - SEA

1 stop9h 04mAir Canada

Deal found 7/29

$664

Best flights from Washington to New Brunswick
Discover carefully curated flight deals from Washington to New Brunswick that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Fri 9/1212:00 pmSEA - YSJ

1 stop8h 11mAir Canada

Fri 9/195:55 amYSJ - SEA

1 stop9h 04mAir Canada

Deal found 7/29

$664

One-way flights from Washington to New Brunswick
Search for one-way flight options from Washington to New Brunswick. Find affordable one-way fares based on user searches. Data last updated July 31, 2025.

Tue 12/2312:32 pmSEA - YSJ

2 stops30h 52mUnited Airlines

Deal found 7/31

$457

Mon 12/223:10 pmSEA - YSJ

3 stops20h 35mMultiple Airlines

Deal found 7/31

$503

Fri 12/195:50 amSEA - YSJ

2 stops13h 34mAir Canada

Deal found 7/31

$570

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to New Brunswick that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Fri 9/12

12:00 pm-12:11 am

1 stop8h 11m

Saint John

Fri 9/19

5:55 am-10:59 am

1 stop9h 04m

$664

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Tue 12/23

12:32 pm-11:24 pm

2 stops30h 52m

$457

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Mon 12/22

3:10 pm-3:45 pm

3 stops20h 35m

$503

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Fri 12/19

5:50 am-11:24 pm

2 stops13h 34m

$570

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Best time to book a flight from Washington to New Brunswick

Have a flexible travel schedule? Discover the best time to fly to New Brunswick from Washington 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.

Cheapflights Insights

Everything you need to know about your flight from Washington to New Brunswick

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing New Brunswick

Read reviews from past customers who have flown Air Canada from Washington to New Brunswick. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air Canada

7.1

Good

9,851 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Oct 2024

TPA - YYZ

The pre boarding was a bit confusing but we got through it.

Air Canada

7.1

Good

9,851 reviews

Air Canada

7.1

Good

9,851 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Oct 2024

TPA - YYZ

The pre boarding was a bit confusing but we got through it.

Related info for your journey

Can I find deals for flights from Washington to New Brunswick that include hotel bookings?
Yes. In addition to deals on Washington to New Brunswick flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to New Brunswick?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to New Brunswick.
Can I find deals for business class flights from Washington to New Brunswick?
Yes. Cheapflights offers flight deals from Washington to New Brunswick by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

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$457+ Cheap flights from Washington to New Brunswick

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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington to New Brunswick with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington to New Brunswick

Keep the following information in mind while searching for Washington to New Brunswick flight deals. Data was last updated July 31, 2025.

Round-trip from

Find flight deals from Washington to New Brunswick

Cheapest flights from Washington to New BrunswickExplore the most affordable flight options available from Washington to New Brunswick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from Washington to New Brunswick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to New Brunswick that are best for you.

Best time to book a flight from Washington to New Brunswick

Have a flexible travel schedule? Discover the best time to fly to New Brunswick from Washington with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington to New Brunswick

Reviews of airlines servicing New Brunswick

Read reviews from past customers who have flown Air Canada from Washington to New Brunswick. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington to New Brunswick. 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 Washington to New Brunswick that include hotel bookings?

How can I find direct flights from Washington to New Brunswick?

Can I find deals for business class flights from Washington to New Brunswick?

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.

Alternative routes for Washington to New Brunswick

See prices for flight routes from nearby airports that may be better suited for you.

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Travel Smart

Cheapest flights from Washington to New Brunswick
Explore the most affordable flight options available from Washington to New Brunswick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.