In terms of precipitation, rainfall in Nanaimo ranges from 0.8 - 6.3 inches per month. November is typically the wettest month, when rainfall can reach 6.3 in. July is typically the driest time to visit Nanaimo when rainfall is around 0.8 in.

If weather is an important factor for your trip to Nanaimo, 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 35.6 F).

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

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

Most accurate provider : When it comes to deals on Seattle-Nanaimo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Nanaimo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Nanaimo flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Seattle-Nanaimo flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Nanaimo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Seattle to Nanaimo?

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

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

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

$172+ Flights from Seattle to Nanaimo

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Cheap flight deals from Seattle to Nanaimo

Cheapest flights from Seattle to Nanaimo
Explore the most affordable flight options available from Seattle to Nanaimo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

Fri 3/68:41 pm

SEA

YCD

2 stops18h 24m

Multiple Airlines

Fri 3/135:15 am

YCD

SEA

1 stop9h 04m

Multiple Airlines

Deal found 1/19

$512

Thu 1/295:50 am

SEA

YCD

1 stop3h 36m

Air Canada

Sun 2/13:00 pm

YCD

SEA

1 stop4h 16m

Air Canada

Deal found 1/18

$616

Thu 1/293:10 pm

SEA

YCD

1 stop19h 58m

WestJet

Sun 2/15:15 am

YCD

SEA

2 stops29h 10m

WestJet

Deal found 1/18

$879

Best flights from Seattle to Nanaimo
Discover carefully curated flight deals from Seattle to Nanaimo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 20, 2026.

Fri 3/68:41 pm

SEA

YCD

2 stops18h 24m

Multiple Airlines

Fri 3/135:15 am

YCD

SEA

1 stop9h 04m

Multiple Airlines

Deal found 1/19

$512

Last-minute flights from Seattle to Nanaimo
Discover last-minute flight deals from Seattle to Nanaimo. Data last updated January 20, 2026 and is based on user searches.

Thu 1/295:50 am

SEA

YCD

1 stop3h 36m

Air Canada

Sun 2/13:00 pm

YCD

SEA

1 stop4h 16m

Air Canada

Deal found 1/18

$616

Thu 1/293:10 pm

SEA

YCD

1 stop19h 58m

WestJet

Sun 2/15:15 am

YCD

SEA

2 stops29h 10m

WestJet

Deal found 1/18

$879

One-way flights from Seattle to Nanaimo
Search for one-way flight options from Seattle to Nanaimo. Find affordable one-way fares based on user searches. Data last updated January 20, 2026.

Sat 3/1410:05 am

SEA

YCD

1 stop4h 16m

United Airlines

Deal found 1/18

$172

Sat 3/1411:55 am

SEA

YCD

2 stops27h 10m

WestJet

Deal found 1/18

$227

Find flight deals from Seattle to Nanaimo

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$512 (Kiwi.com)
One-way from	$172 (United Airlines)
Popular in	June
Cheapest in	January
Average price	$177

Provider with most accurate pricing for Seattle/Tacoma Intl-Nanaimo Arpt flight deals.

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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Nanaimo Arpt flights.

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From Seattle/Tacoma Intl to Nanaimo Arpt

Search Deals

One-way flight from Seattle/Tacoma Intl to Nanaimo Arpt

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($31 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

SeattleNanaimo

SEA - YCD

SEAYCD

Seattle/Tacoma Intl

Fri 3/6

8:41 pm-3:05 pm

2 stops18h 24m

Nanaimo Arpt

Fri 3/13

5:15 am-2:19 pm

1 stop9h 04m

$512

SeattleNanaimo

SEA - YCD

SEAYCD

Seattle/Tacoma Intl

Sat 3/14

10:05 am-2:21 pm

1 stop4h 16m

$172

SeattleNanaimo

SEA - YCD

SEAYCD

Seattle/Tacoma Intl

Sat 3/14

11:55 am-3:05 pm

2 stops27h 10m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Most accurate provider: When it comes to deals on Seattle-Nanaimo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Nanaimo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Nanaimo flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Seattle-Nanaimo flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Nanaimo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Nanaimo

Have a flexible travel schedule? Discover the best time to fly to Nanaimo 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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Nanaimo

What is the cheapest month to book a flight from Seattle to Nanaimo?

Currently, March is the cheapest month in which you can book a flight from Seattle to Nanaimo (average of $78). Flying from Seattle to Nanaimo in November is currently the most expensive (average of $176). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Can I find deals for flights from Seattle to Nanaimo that include hotel bookings?
Yes. In addition to deals on Seattle to Nanaimo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Nanaimo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Nanaimo.
Can I find deals for business class flights from Seattle to Nanaimo?
Yes. Cheapflights offers flight deals from Seattle to Nanaimo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Seattle to Nanaimo?
Currently, March is the cheapest month in which you can book a flight from Seattle to Nanaimo (average of $78). Flying from Seattle to Nanaimo in November is currently the most expensive (average of $176). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$172+ Cheap flights from Seattle (SEA) to Nanaimo (YCD)

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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Nanaimo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Seattle to Nanaimo

Cheapest flights from Seattle to NanaimoExplore the most affordable flight options available from Seattle to Nanaimo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

Explore the most affordable flight options available from Seattle to Nanaimo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

Find flight deals from Seattle to Nanaimo

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Seattle to Nanaimo

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

Cheapflights Insights

Everything you need to know about your flight from Seattle to Nanaimo

What is the cheapest month to book a flight from Seattle to Nanaimo?

Related info for your journey

Find useful and relevant information for your journey from Seattle to Nanaimo. 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 Seattle to Nanaimo that include hotel bookings?

How can I find direct flights from Seattle to Nanaimo?

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

What is the cheapest month to book a flight from Seattle to Nanaimo?

Browse thousands of different options on Cheapflights for your next trip

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Cheapest flights from Seattle to Nanaimo
Explore the most affordable flight options available from Seattle to Nanaimo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.