Cheap Flights from Bellingham to Seattle

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Find the cheapest month to fly from Bellingham to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bellingham to Seattle flights are currently cheapest in August.

Direct flights from Bellingham to Seattle

Alternative Bellingham to Seattle routes

Looking for the cheapest, fastest or easiest route from Bellingham to Seattle? You could fly into the following airports instead.

Bellingham to Seattle: Flight information

The things to know before you go.
Cheapest flight foundR 1,801
Cheapest month to flyAugust
Average flight time56 mins
Most popular airlineAlaska Airlines
Average flights per week145

Finding cheap flights from Bellingham to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Bellingham to Seattle is R 2,097. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
56 minutes is the average flight time from Bellingham to Seattle.
Alaska Airlines, SkyWest Airlines and Hawaiian Airlines fly direct from Bellingham to Seattle.
As of July 2025, there are 145 flights per week flying from Bellingham to Seattle.
The cheapest month to fly from Bellingham to Seattle is usually August.
If you're flying from Bellingham Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from R 2,097.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Bellingham Airport to Seattle on Saturday, 23 August 2025.
Yes – the average flight time is 56 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In July, the average temperature is usually around 17°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Hawaiian Airlines offers the cheapest flight tickets to Seattle.

Travelling from Bellingham International Airport (BLI) to Seattle: what you need to know

  • Expect to be in the air for 55 minutes. On average, that's the time it takes for a direct flight from Bellingham International Airport to Seattle.

  • Seattle and Bellingham (where Bellingham International Airport is located) share the UTC-7 timezone. That means you won't have to change your watch when you arrive.

  • Bellingham International Airport (BLI) to Seattle-Tacoma International Airport (SEA) is the most traveled route, with 26 weekly departures to pick from. If you have things to do before leaving, the last flight from BLI to SEA is with Alaska Airlines at 18:27. Go for the first departure with Alaska Airlines at 05:20 if you want to fly out earlier.

  • Leave plenty of time to get on your BLI to Seattle flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak time like public or school holidays? Expect longer queues at check-in and security. For peace of mind, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • Direct Bellingham International Airport to Seattle tickets are available for booking. Seattle-Tacoma International Airport (SEA) is where you'll complete your journey.

  • Alaska Airlines is a popular carrier that operates direct flights from Bellingham International Airport to Seattle.

  • BLI is around 6 kilometres from central Bellingham. If you're catching a cab, driving or ride-sharing from the centre, it'll take 15 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the travel time to be around 25 minutes.

  • In search of a hotel close to BLI? If you're catching an early flight from Bellingham International Airport to Seattle, these stays will get you from your pillow to the plane in no time:

  • Bellingham International Airport has an excellent on-time record, so you're unlikely to face delays. Departures from BLI make it to their destination as scheduled 84.1% of the time.

  • BLI is located at 4255 Mitchell Way.

How to find the cheapest flights from Bellingham International Airport (BLI) to Seattle

  • The lowest price we've found for a one-way Bellingham International Airport to Seattle flight is R 1,801. The cheapest price for a return flight is R 2,097. Bear in mind fares may change due to demand at the time of booking.

  • Get cheap flights from BLI to Seattle by booking two months ahead. Based on our research, that's the best time for finding the biggest deals.

  • June is the best month for scoring an amazing deal on Bellingham International Airport to Seattle tickets. If you need to travel at a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • Never miss a deal on cheap flights from BLI to Seattle by setting up a Price Alert. You'll get an email or notification on the app when a new low fare is offered.

  • Pick your ideal departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Bellingham International Airport to Seattle by 'Fastest,' 'Cheapest' or 'Best.'

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to central Seattle takes about 20 minutes by car. The centre is roughly 23 kilometres away.

  • Getting to the centre on public transport typically takes 55 minutes.

  • Think about booking a hotel close to SEA if you're coming in on a late flight from Bellingham International Airport to Seattle. Check in to one of these accommodation options and make your first night all about rest:

  • Grab a Seattle-Tacoma International Airport rental car and explore Seattle and beyond with your own set of wheels. Thrifty, Europcar and Budget are popular providers to choose from here.

  • Get the best deal by reserving your ride from Seattle-Tacoma International Airport around one week ahead of your flight from BLI to Seattle.

Lake Union Sea Plane Base Airport (LKE)

  • Lake Union Sea Plane Base Airport (LKE) is about 3 kilometres from the centre of Seattle. After your flight from Bellingham International Airport to Seattle, it'll take you around 10 minutes to reach the heart of the city in a cab or ride-share.

  • You can expect the trip to take roughly 25 minutes on public transport.

  • After stepping off your BLI to Seattle flight, rest your head at a hotel close to LKE. These are some great options that'll help you sink into relaxation mode:

Best time to go to Seattle

  • Visit Seattle during high season if you prefer a lively atmosphere, but remember that hotel prices are generally higher. Alternatively, book your flights from Bellingham International Airport to Seattle during low season when prices are cheaper and it's less crowded.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC (54ºF) and 28ºC (82ºF). Lock in your Bellingham International Airport to Seattle flight ticket then if that's your idea of comfortable weather.

  • February has average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Look for a cheap ticket from BLI to Seattle around that time if you want to travel in cooler conditions.

More about Seattle

  • Start your Seattle trip off on the right foot by choosing the ideal place to stay. After booking your flight from Bellingham International Airport to Seattle, check out our selection of accommodation options including:

  • LMN Architects and Greyhound: Bus Station are just the start of the top-rated attractions to add to your Seattle itinerary. Keep the adventure rolling by checking out Boeing Radiation Effects Lab.

Explore more of United States

  • You've seen Seattle, now it's time to discover other corners of United States. Journey around 241 kilometres south to Portland to tick off its top sights. From Pioneer Courthouse Square to Portland Japanese Garden and Pittock Mansion, you've got a jam-packed schedule ahead.

  • Spokane is another must-experience destination in United States and is around 370 kilometres east of Seattle. No journey is complete without visiting Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.