In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

If weather is an important factor for your trip to Seattle, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

What is the cheapest time of day to fly from YFC to SEA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Fredericton to Seattle as you normally would.

Can I find deals for flights from Fredericton to Seattle that include hotel bookings?

Yes. In addition to deals on Fredericton to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Fredericton to Seattle?

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

Can I find deals for business class flights from Fredericton to Seattle?

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

C$ 357+ Cheap Flights from Fredericton to Seattle

Cheap flight deals from Fredericton to Seattle

Enter your travel dates to find the best prices.

One-way

One-way flights from Fredericton to Seattle
Search for one-way flight options from Fredericton to Seattle. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Wed 14/104:10 p.m. -

2 stops10h 37m

Wed 31/1212:00 a.m. -

Nonstop0h 00m

Deal found 9/9C$ 357

Tue 6/104:10 p.m. -

2 stops10h 37m

Wed 31/1212:00 a.m. -

Nonstop0h 00m

Deal found 6/9C$ 390

Wed 14/105:10 p.m. -

3 stops29h 35m

Wed 31/1212:00 a.m. -

Nonstop0h 00m

Deal found 9/9C$ 412

Tue 6/1012:40 p.m. -

3 stops34h 05m

Wed 31/1212:00 a.m. -

Nonstop0h 00m

Deal found 6/9C$ 430

Wed 14/106:25 a.m. -

3 stops18h 12m

Wed 31/1212:00 a.m. -

Nonstop0h 00m

Deal found 7/9C$ 529

Cheapflights Fare Finder

Use the filters below to find and compare flights from Fredericton to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

FrederictonSeattle

YFC Fredericton - SEA Seattle/Tacoma Intl

YFCSEA

Fredericton

Wed 14/10

4:10 p.m.-10:47 p.m.

2 stops10h 37m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 357

FrederictonSeattle

YFC Fredericton - SEA Seattle/Tacoma Intl

YFCSEA

Fredericton

Tue 6/10

4:10 p.m.-10:47 p.m.

2 stops10h 37m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 390

FrederictonSeattle

YFC Fredericton - SEA Seattle/Tacoma Intl

YFCSEA

Fredericton

Wed 14/10

5:10 p.m.-6:45 p.m.

3 stops29h 35m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 412

FrederictonSeattle

YFC Fredericton - SEA Seattle/Tacoma Intl

YFCSEA

Fredericton

Wed 14/10

6:25 a.m.-8:37 p.m.

3 stops18h 12m

Seattle/Tacoma Intl

Wed 31/12

12:00 a.m.-4:00 a.m.

Nonstop0h 00m

C$ 529

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Sorted by cheapest first

Best time to book a flight from Fredericton to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Fredericton with our price prediction graph.

YFC-SEA

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

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

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Alternative routes

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Why should you use Cheapflights to find cheap flight tickets from Fredericton to Seattle?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from Fredericton.

Can Cheapflights find flights from Fredericton to Seattle with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Fredericton to Seattle flexibly with Cheapflights today.

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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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Fredericton to Seattle

One-way flights from Fredericton to Seattle
Search for one-way flight options from Fredericton to Seattle. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Search for one-way flight options from Fredericton to Seattle. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Fredericton to Seattle that are best for you.

Best time to book a flight from Fredericton to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Fredericton with our price prediction graph.

Related info for your journey

Can I find deals for flights from Fredericton to Seattle that include hotel bookings?

How can I find direct flights from Fredericton to Seattle?

Can I find deals for business class flights from Fredericton to Seattle?

Travelling to a place near Seattle?

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 Fredericton to Seattle

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

Complete your trip

Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Washington

Book a non-stop flight to one of these other cities located in Washington.

Search flights from Fredericton to Seattle by cabin class

Find flights from Fredericton to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fredericton and Seattle flights

Browse other Fredericton and Seattle flight options. Last updated on 10 September 2026.

Other flights from Fredericton

Browse through other flights departing from Fredericton. Flights are based on user searches made on Cheapflights and were last updated on 10 September 2026.

Popular flight searches

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Other flights to Seattle

Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 10 September 2026.

Fly with Cheapflights

How does Cheapflights help users find flights from Fredericton to Seattle?

Why should you use Cheapflights to find cheap flight tickets from Fredericton to Seattle?

Can Cheapflights find flights from Fredericton to Seattle with no change fees?

Can Cheapflights notify me if prices for flights from Fredericton to Seattle become cheaper?

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Cheap flights from Fredericton to Seattle from C$ 357

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Fredericton to Seattle

One-way flights from Fredericton to SeattleSearch for one-way flight options from Fredericton to Seattle. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Search for one-way flight options from Fredericton to Seattle. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Fredericton to Seattle that are best for you.

Best time to book a flight from Fredericton to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Fredericton with our price prediction graph.

Related info for your journey

Can I find deals for flights from Fredericton to Seattle that include hotel bookings?

How can I find direct flights from Fredericton to Seattle?

Can I find deals for business class flights from Fredericton to Seattle?

Travelling to a place near Seattle?

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 Fredericton to Seattle

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

Complete your trip

Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Washington

Book a non-stop flight to one of these other cities located in Washington.

Search flights from Fredericton to Seattle by cabin class

Find flights from Fredericton to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fredericton and Seattle flights

Browse other Fredericton and Seattle flight options. Last updated on 10 September 2026.

Other flights from Fredericton

Browse through other flights departing from Fredericton. Flights are based on user searches made on Cheapflights and were last updated on 10 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to Seattle

Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 10 September 2026.

Fly with Cheapflights

How does Cheapflights help users find flights from Fredericton to Seattle?

Why should you use Cheapflights to find cheap flight tickets from Fredericton to Seattle?

Can Cheapflights find flights from Fredericton to Seattle with no change fees?

Can Cheapflights notify me if prices for flights from Fredericton to Seattle become cheaper?

100% Free

Book with Flexibility

Travel Smart

One-way flights from Fredericton to Seattle
Search for one-way flight options from Fredericton to Seattle. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.