Cheap Flights from Bellingham (BLI) to Seattle (SEA)

Popular airlines from Bellingham, WA (BLI-Bellingham Intl.) to Seattle-Tacoma International Airport (SEA)

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save up to 35% on select hotels after you book a flight*
  • Earn twice

    Earn your airline miles on top of our rewards

Cheap Flights from Bellingham (BLI) to Seattle (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

Which airlines fly direct from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter BLI to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best airline to fly with from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will differ from traveller to traveller. If you like to fly early, AS offers early morning flights. If price is the most important factor, AS typically offers the lowest fares. AS offers the most daily flights from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 2 nonstop flights per day from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). For even more choice, look at flights that include layovers. There are around 0 connecting flights per day from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.).
What is the earliest flight from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs at approximately 5:15 AM local time, operated by Alaska Airlines. This is a seasonal service active in October. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll typically find the most flights from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Friday, with around 5 flights available. This gives you a good selection for your travel plans. Flight schedules are consistent throughout the week, with only a slight variation in the number of flights. The main airline on this route is Alaska Airlines.
What are the most popular departure times for flights from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the early morning, from 3am to 6am. Around 32% of passengers reckon this time's best. This timing works well because it allows you to get an early start on your day in Seattle.
How long does it take to fly from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Direct flights from BLI to SEA usually take about 1 hour, traveling roughly 94 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Select the "Business class" and "First class" filters when looking for BLI to SEA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle from Bellingham Intl. (BLI)?
From Bellingham Intl. (BLI), you can fly directly into Seattle - Tacoma Intl. (SEA) to reach Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Bellingham, WA (BLI-Bellingham Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

0
Origin airport
Bellingham Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
150 km

Book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.