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Cheap Flights from Bellingham to San Diego International

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      Travellers and cabin class, 1 Adult, Economy

      Compare Bellingham to San Diego International flight deals

      Find the cheapest month or even day of the year to fly to San Diego International

      Book the best San Diego International fare with no extra fees

      Flight deals from Bellingham to San Diego International

      Looking for a cheap last-minute deal or the best return flight from Bellingham Airport to San Diego International Airport? If you want to travel next month, return fares start from $653. Find the lowest prices on one-way and return tickets right here.
      San Diego.$592 per passenger.Departing Mon, 11 Jan, returning Thu, 14 Jan.Return flight with Allegiant Air and Alaska Airlines.Outbound indirect flight with Allegiant Air, departs from Bellingham on Mon, 11 Jan, arriving in San Diego International.Inbound indirect flight with Alaska Airlines, departs from San Diego International on Thu, 14 Jan, arriving in Bellingham.Price includes taxes and charges.From $592, select.
      San Diego.$615 per passenger.Departing Thu, 22 Oct, returning Thu, 29 Oct.Return flight with Allegiant Air and Frontier Airlines.Outbound indirect flight with Allegiant Air, departs from Bellingham on Thu, 22 Oct, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departs from San Diego International on Thu, 29 Oct, arriving in Bellingham.Price includes taxes and charges.From $615, select.
      San Diego.$650 per passenger.Departing Sun, 29 Nov, returning Wed, 2 Dec.Return flight with Allegiant Air and Alaska Airlines.Outbound indirect flight with Allegiant Air, departs from Bellingham on Sun, 29 Nov, arriving in San Diego International.Inbound indirect flight with Alaska Airlines, departs from San Diego International on Wed, 2 Dec, arriving in Bellingham.Price includes taxes and charges.From $650, select.
      San Diego.$653 per passenger.Departing Fri, 6 Nov, returning Mon, 9 Nov.Return flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Bellingham on Fri, 6 Nov, arriving in San Diego International.Inbound indirect flight with Alaska Airlines, departs from San Diego International on Mon, 9 Nov, arriving in Bellingham.Price includes taxes and charges.From $653, select.
      San Diego.$827 per passenger.Departing Sat, 17 Apr, returning Sun, 25 Apr.Return flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Bellingham on Sat, 17 Apr, arriving in San Diego International.Inbound indirect flight with Alaska Airlines, departs from San Diego International on Sun, 25 Apr, arriving in Bellingham.Price includes taxes and charges.From $827, select.
      San Diego.$918 per passenger.Departing Thu, 11 Feb, returning Mon, 15 Feb.Return flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Bellingham on Thu, 11 Feb, arriving in San Diego International.Inbound indirect flight with Alaska Airlines, departs from San Diego International on Mon, 15 Feb, arriving in Bellingham.Price includes taxes and charges.From $918, select.
      San Diego.$926 per passenger.Departing Thu, 31 Dec, returning Fri, 15 Jan.Return flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Bellingham on Thu, 31 Dec, arriving in San Diego International.Inbound indirect flight with Alaska Airlines, departs from San Diego International on Fri, 15 Jan, arriving in Bellingham.Price includes taxes and charges.From $926, select.
      San Diego.$964 per passenger.Departing Fri, 23 Jul, returning Sun, 1 Aug.Return flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Bellingham on Fri, 23 Jul, arriving in San Diego International.Inbound indirect flight with Alaska Airlines, departs from San Diego International on Sun, 1 Aug, arriving in Bellingham.Price includes taxes and charges.From $964, select.
      San Diego.$1,027 per passenger.Departing Thu, 17 Dec, returning Sat, 19 Dec.Return flight with Allegiant Air and Frontier Airlines.Outbound indirect flight with Allegiant Air, departs from Bellingham on Thu, 17 Dec, arriving in San Diego International.Inbound indirect flight with Frontier Airlines, departs from San Diego International on Sat, 19 Dec, arriving in Bellingham.Price includes taxes and charges.From $1,027, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Bellingham to San Diego International found in the last 4 days, and are subject to change and availability.

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

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bellingham to San Diego International flights are currently cheapest in January.
      Oct
      from $614
      Nov
      from $653
      Dec
      from $1,027
      Jan
      from $592
      Feb
      from $918
      Mar
      Find prices
      Apr
      from $827
      May
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      Jun
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      Jul
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      Aug
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      Sep
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      Bellingham to San Diego International: Alternative routes

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

      San Diego International

      4km from central San Diego
      ClosestCheapest
      from $592
      Search flights

      McClellan-Palomar

      48km from central San Diego
      Search flights

      Bellingham to San Diego: Flight information

      The things to know before you go.
      Cheapest flight found$592
      Cheapest month to flyJanuary

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

      The best price we found for a return flight from Bellingham to San Diego International is $592. 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 Bellingham to San Diego International. But we found flights with one or more stops from $592.
      As of October 2026, there are no flights flying from Bellingham to San Diego International.
      The cheapest month to fly from Bellingham to San Diego International is usually January.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Bellingham Airport to San Diego International Airport on Monday, 11 January 2027.
      No airlines currently offer direct flights between Bellingham Airport and San Diego International 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 San Diego International 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 San Diego is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Allegiant Air offers the cheapest flight tickets to San Diego International.

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

      • Bellingham and San Diego share the same timezone, UTC-8.

      • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This way, you can comfortably board your BLI to SAN flight.

      • During popular months like April, it's best to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're flying during a peak period in general.

      • We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Bellingham Airport to San Diego International Airport, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to visit the city of your choice. Some great stopovers between BLI and SAN include:

        • Denver International Airport

        • Harry Reid International Airport

        • Oakland Metropolitan Oak Airport

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

      • $232 is the best price for a one-way Bellingham Airport to San Diego International Airport flight. Return flights start at $592. These prices may change depending on demand and availability.

      • To score cheap tickets from BLI to SAN, book in advance. Airlines tend to offer their best fares when flights are first made available.

      • The 'Whole month' search tool shows you the cheapest flights from Bellingham Airport to San Diego International Airport across every month. It's an easy way to snap up a bargain if your travel dates are flexible.

      • Save time searching for cheap flights from BLI to SAN by setting up a Price Alert. You'll get an email or notification through the app when fares go down.

      • Tailor your trip with filters. Select your ideal departure and arrival times, total journey duration and airlines. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from Bellingham Airport to San Diego International Airport.

      Handy information about Bellingham Airport (BLI)

      • You'll find BLI at 4255 Mitchell Way.

      • Bellingham Airport earns top marks for its on-time performance. 84% of flights that take off from BLI land on time.

      • Bellingham Airport is around 10 kilometres from central Bellingham. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 15 minutes or so to get there, depending on the traffic.

      • Taking public transport? Expect a journey time of around 30 minutes.

      • Booked an early flight from Bellingham Airport to San Diego International Airport? Avoid rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these hotels near BLI:

      Arriving at San Diego International Airport (SAN)

      Getting from San Diego International Airport (SAN) to central San Diego

      • You'll find SAN at N Harbour Dr.

      • San Diego International Airport to central San Diego has a drive time of about 15 minutes. It's approximately 5 kilometres away.

      • It takes around 25 minutes to get there by public transport.

      When to fly to San Diego International Airport (SAN)

      • The quietest month for a flight from Bellingham Airport to San Diego International Airport is March, while August is the busiest. Pick the ideal time to visit San Diego based on whether you prefer a more relaxed vibe or a faster pace.

      • The warmest month in San Diego is August, with temperatures ranging between 16ºC and 27ºC. Book your flights from Bellingham Airport to San Diego International Airport in this month if this is the type of weather you enjoy.

      • If you'd rather travel in cooler conditions, search for a cheap ticket from BLI to SAN in February. Temperatures average between 8ºC and 22ºC then.

      Explore more of the United States

      • Los Angeles is just one of the many places in the United States waiting to be discovered after you've experienced San Diego. Around 177 kilometres away to the north-west, top sights here include Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

      • Phoenix is another favourite destination in the United States and is around 483 kilometres east of San Diego. No journey is complete without visiting Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.

      More travel options

      Plan the rest of your trip from Bellingham to San Diego

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