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Cheap Flights from San Diego (SAN) to Bellingham (BLI)

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      Travellers and cabin class, 1 Adult, Economy

      Compare San Diego International to Bellingham flight deals

      Find the cheapest month or even day of the year to fly to Bellingham

      Book the best Bellingham fare with no extra fees

      Flight deals from San Diego International to Bellingham

      Looking for a cheap last-minute deal or the best return flight from San Diego International Airport to Bellingham Airport? If you want to travel next month, return fares start from $383. Find the lowest prices on one-way and return tickets right here.
      Bellingham.$383 per passenger.Departing Thu, 1 Oct, returning Sun, 4 Oct.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Thu, 1 Oct, arriving in Bellingham.Inbound indirect flight with Allegiant Air, departs from Bellingham on Sun, 4 Oct, arriving in San Diego International.Price includes taxes and charges.From $383, select.
      Bellingham.$505 per passenger.Departing Thu, 24 Sep, returning Sun, 27 Sep.Return flight with Alaska Airlines and Allegiant Air.Outbound indirect flight with Alaska Airlines, departs from San Diego International on Thu, 24 Sep, arriving in Bellingham.Inbound indirect flight with Allegiant Air, departs from Bellingham on Sun, 27 Sep, arriving in San Diego International.Price includes taxes and charges.From $505, select.
      Bellingham.$567 per passenger.Departing Mon, 28 Sep, returning Sun, 4 Oct.Return flight with Alaska Airlines and Allegiant Air.Outbound indirect flight with Alaska Airlines, departs from San Diego International on Mon, 28 Sep, arriving in Bellingham.Inbound indirect flight with Allegiant Air, departs from Bellingham on Sun, 4 Oct, arriving in San Diego International.Price includes taxes and charges.From $567, select.
      Bellingham.$594 per passenger.Departing Mon, 23 Nov, returning Sun, 29 Nov.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Mon, 23 Nov, arriving in Bellingham.Inbound indirect flight with Allegiant Air, departs from Bellingham on Sun, 29 Nov, arriving in San Diego International.Price includes taxes and charges.From $594, select.
      Bellingham.$733 per passenger.Departing Thu, 17 Dec, returning Mon, 28 Dec.Return flight with Alaska Airlines and Allegiant Air.Outbound indirect flight with Alaska Airlines, departs from San Diego International on Thu, 17 Dec, arriving in Bellingham.Inbound indirect flight with Allegiant Air, departs from Bellingham on Mon, 28 Dec, arriving in San Diego International.Price includes taxes and charges.From $733, select.
      Bellingham.$745 per passenger.Departing Fri, 1 Jan, returning Mon, 4 Jan.Return flight with Alaska Airlines and Allegiant Air.Outbound indirect flight with Alaska Airlines, departs from San Diego International on Fri, 1 Jan, arriving in Bellingham.Inbound indirect flight with Allegiant Air, departs from Bellingham on Mon, 4 Jan, arriving in San Diego International.Price includes taxes and charges.From $745, select.

      Find the cheapest month to fly from San Diego International to Bellingham

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego International to Bellingham flights are currently cheapest in October.
      Sep
      from $505
      Oct
      from $383
      Nov
      from $594
      Dec
      from $733
      Jan
      from $745
      Feb
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      Mar
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      Apr
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      May
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      Jun
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      Jul
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      Aug
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      San Diego International to Bellingham: Alternative routes

      Compare routes from San Diego International to Bellingham below. You may find an airport to fly into that's cheaper, faster, or easier than Bellingham.

      Bellingham

      5km from central Bellingham
      ClosestCheapest
      from $383
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      Anacortes

      32km from central Bellingham
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      Eastsound

      32km from central Bellingham
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      Blakely Island

      32km from central Bellingham
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      Lopez Island

      45km from central Bellingham
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      Friday Harbor

      47km from central Bellingham
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      Roche Harbor

      54km from central Bellingham
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      San Diego to Bellingham: Flight information

      The things to know before you go.
      Cheapest flight found$383
      Cheapest month to flyOctober

      Finding cheap flights from San Diego International to Bellingham: Frequently asked questions

      The best price we found for a return flight from San Diego International to Bellingham is $383. 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.
      Currently, there are no airlines that fly direct from San Diego International to Bellingham. But we found flights with one or more stops from $383.
      As of September 2026, there are no flights flying from San Diego International to Bellingham.
      The cheapest month to fly from San Diego International to Bellingham is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Diego International Airport to Bellingham Airport on Thursday, 1 October 2026.
      No airlines currently offer direct flights between San Diego International Airport and Bellingham Airport. Most routes have one or more stops.
      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 Bellingham 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 Bellingham is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Frontier Airlines offers the cheapest flight tickets to Bellingham.

      Flying from San Diego International Airport (SAN) to Bellingham Airport (BLI): what you need to know

      • Your SAN to BLI flight won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

      • You'll likely experience bigger queues during popular months such as August. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a wise move.

      • We make it a cinch to book a flight with a stopover. To see all your options for tickets from San Diego International Airport to Bellingham Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to explore your chosen city. Stopovers between SAN and BLI include:

        • Denver International Airport

        • Harry Reid International Airport

        • Oakland Metropolitan Oak Airport

      How to find the cheapest flights from San Diego International Airport (SAN) to Bellingham Airport (BLI)

      • The cheapest price we've seen for a one-way San Diego International Airport to Bellingham Airport flight is $126. A return fare is currently $383. Depending on the availability when you book, these fares can change.

      • Don't wait until the last minute. You're more likely to find cheap tickets from SAN to BLI if you book ahead. Airlines often have some excellent early bird discounts.

      • The 'Whole month' tool shows you the cheapest flights from San Diego International Airport to Bellingham Airport across the month. It's an easy way to find a bargain if your dates aren't set in stone.

      • Cut down on the time spent looking for cheap flights from SAN to BLI by setting up a Price Alert. You'll receive an email or push notification on the app when a lower fare becomes available.

      • Discover the right flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from San Diego International Airport to Bellingham Airport, use the 'Sort by' tool. You can also filter by airline, departure and arrival times, and journey duration.

      Handy information about San Diego International Airport (SAN)

      • SAN's address is N Harbour Dr.

      • When it comes to San Diego International Airport's on-time performance, 74% of flights meet their scheduled arrival time.

      • Central San Diego to San Diego International Airport is around 5 kilometres. Depending on traffic, it'll take about 15 minutes to get there if you're catching a taxi, ride-sharing or driving.

      • The trip on public transport usually takes 25 minutes.

      • Looking for a handy hotel near SAN? If you've booked an early flight from San Diego International Airport to Bellingham Airport, these accommodation options will have you moments from your departure gate:

      Arriving at Bellingham Airport (BLI)

      Getting from Bellingham Airport (BLI) to central Bellingham

      • BLI is located at 4255 Mitchell Way.

      • Bellingham Airport to central Bellingham has a drive time of about 15 minutes. It's approximately 10 kilometres away.

      • It takes around 30 minutes if you're travelling on public transport.

      When to fly to Bellingham Airport (BLI)

      • April is the most popular month for flights from San Diego International Airport to Bellingham Airport. For smaller crowds, go to Bellingham in February.

      • Before locking in your flight from San Diego International Airport to Bellingham Airport, think about the kind of weather you like. August is the warmest month in Bellingham, with the temperature ranging from 12ºC (54ºF) to 25ºC (77ºF).

      • February sees average temperatures of between -2ºC (28ºF) and 10ºC (50ºF). Search for cheap tickets from SAN to BLI around that time if you'd rather travel in cooler conditions.

      Explore more of the United States

      • Seattle is just one of the many places in the United States waiting to be discovered once you've seen the sights of Bellingham. Around 129 kilometres away to the south, its top attractions include Space Needle, Pike Place Market and Seattle Skyline.

      • Portland is another well-known destination in the United States and is around 354 kilometres south of Bellingham. No trip is complete without dropping by Portland Japanese Garden, Peninsula Park Rose Garden and Beyond Van Gogh Portland.

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      Plan the rest of your trip from San Diego to Bellingham

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.