$100 Find Cheap Flights from Seattle to Bellingham - Compare and Save

Among airlines operating Seattle to Bellingham flights:

• Alaska Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Alaska Airlines operates flights between Seattle and Bellingham.

Flights from Seattle to Bellingham usually depart from Seattle/Tacoma Intl (SEA) and arrive at Bellingham (BLI).

Here are some options for this route, based on selected ticket types and cabin classes:

• Alaska Airlines: a cabin bag and a checked bag in Business Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Three cabin classes are available on flights from Seattle to Bellingham:

• Economy Class
• Business Class
• First Class

The Embraer 175 family is used most often on this route, operated mainly by Alaska Airlines and Hawaiian Airlines. Other aircraft seen on the route include Embraer 170 variants.

Yes. Being flexible with your travel dates can save you up to 37% on the Seattle to Bellingham route. Tuesday is the cheapest departure day at $188 round-trip on average, while Sunday is the most expensive at $297, a difference of $109. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Afternoon is the busiest departure period on Seattle to Bellingham flights, with 33% of flights leaving in that window. Evening departures account for 33%, night flights for 33%, and morning flights for 1%.

These are the earliest and latest flight times available from Seattle to Bellingham:

• Earliest: departs at 11:20 am and lands at 12:19 pm
• Latest: departs at 10:59 pm and lands at 11:58 pm.

The flight takes about 0h 59m.

A nonstop flight from Seattle to Bellingham takes 0h 59m, covering 93 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $227 to $1,367. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Seattle to Bellingham are currently lower than usual. Average one-way flight prices are about $142, which is 38% below the typical average for this route.

Bellingham Airport (BLI) hosts 5 major car rental companies, with daily rates starting from around $27 for economy cars. Top options include:
• Budget
• Alamo
• Dollar
• Thrifty
• Avis

Round-trip flights from Seattle to Bellingham range from $198 to $300, with an average of $227 over the past 12 months. Anything below $198 counts as a good deal.