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

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

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Flight deals from San Diego to Bellingham

Looking for a cheap last-minute deal or the best return flight from San Diego to Bellingham? Find the lowest prices on one-way and return tickets right here.
Bellingham.$166 per passenger.Departing Mon, 30 Jun, returning Fri, 4 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from San Diego International on Mon, 30 Jun, arriving in Bellingham.Inbound direct flight with Allegiant Air departs from Bellingham on Fri, 4 Jul, arriving in San Diego International.Price includes taxes and charges.From $166, select.
Bellingham.$187 per passenger.Departing Fri, 4 Jul, returning Fri, 11 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from San Diego International on Fri, 4 Jul, arriving in Bellingham.Inbound direct flight with Allegiant Air departs from Bellingham on Fri, 11 Jul, arriving in San Diego International.Price includes taxes and charges.From $187, select.
Bellingham.$191 per passenger.Departing Mon, 23 Jun, returning Mon, 30 Jun.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from San Diego International on Mon, 23 Jun, arriving in Bellingham.Inbound direct flight with Allegiant Air departs from Bellingham on Mon, 30 Jun, arriving in San Diego International.Price includes taxes and charges.From $191, select.
Bellingham.$206 per passenger.Departing Mon, 28 Jul, returning Mon, 11 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from San Diego International on Mon, 28 Jul, arriving in Bellingham.Inbound direct flight with Allegiant Air departs from Bellingham on Mon, 11 Aug, arriving in San Diego International.Price includes taxes and charges.From $206, select.
Bellingham.$326 per passenger.Departing Wed, 3 Sep, returning Thu, 18 Sep.Return flight with Alaska Airlines and Allegiant Air.Outbound indirect flight with Alaska Airlines, departs from San Diego International on Wed, 3 Sep, arriving in Bellingham.Inbound indirect flight with Allegiant Air, departs from Bellingham on Thu, 18 Sep, arriving in San Diego International.Price includes taxes and charges.From $326, select.
Bellingham.$417 per passenger.Departing Thu, 6 Nov, returning Tue, 11 Nov.Return flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from San Diego International on Thu, 6 Nov, arriving in Bellingham.Inbound indirect flight with Hawaiian Airlines, departs from Bellingham on Tue, 11 Nov, arriving in San Diego International.Price includes taxes and charges.From $417, select.

Find the cheapest month to fly from San Diego to Bellingham

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego to Bellingham flights are currently cheapest in July.
Jun
from $191
Jul
from $187
Aug
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Sep
from $326
Oct
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Nov
from $417
Dec
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Jan
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Feb
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Mar
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Apr
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May
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Direct flights from San Diego to Bellingham

San Diego to Bellingham: Alternative routes

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

San Diego to Bellingham: Flight information

The things to know before you go.
Cheapest flight found$166
Cheapest month to flyJune
Average flight time2 hrs, 56 mins
Most popular airlineAllegiant Air
Average flights per week6

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

The best price we found for a return flight from San Diego to Bellingham is $166. 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.
2 hours and 56 minutes is the average flight time from San Diego to Bellingham.
Allegiant Air flies direct from San Diego to Bellingham.
As of June 2025, there are 6 flights per week flying from San Diego to Bellingham.
The cheapest month to fly from San Diego to Bellingham is usually June 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Bellingham Airport on Monday, 30 June 2025.
Yes – the average flight time is 2 hours and 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 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.
The cheapest airline that flies to Bellingham is Allegiant Air .

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

  • Countless great adventures start at one of San Diego's main airports, San Diego International Airport (SAN) or McClellan-Palomar Airport (CLD). Explore the options for booking a flight from San Diego to Bellingham International Airport (BLI) jetting off from either of these.

  • The average length of a direct flight from San Diego to Bellingham International Airport is 2 hours 53 minutes.

  • Bellingham's timezone is UTC-7, which is the same as San Diego. Bellingham International Airport is located in Bellingham.

  • San Diego International Airport (SAN) to Bellingham International Airport (BLI) is the most popular route. There are 0 direct departures a week to choose from. If you prefer starting your day later, hop on the last flight with Allegiant Air at 09:48. Choose the first SAN to BLI departure operated by Allegiant Air at 09:43 if you want to get going earlier.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to board your flight from San Diego to BLI.

  • With more people on the move during peak months like July, be at your terminal even earlier. Two hours for domestic flights and up to four for international journeys will allow for extra wait times. Remember things also get busy during major holidays like Christmas and local events or festivals.

Airports in San Diego

San Diego International Airport (SAN)

  • Go straight to your destination from San Diego International Airport (SAN). Direct flights from San Diego to Bellingham International Airport (BLI) can be booked from here.

  • You'll find a direct flight from San Diego to Bellingham International Airport with Allegiant Air. This leading airline operates departures from SAN.

  • The distance from central San Diego to SAN is about 5 kilometres. Use travel apps like Google Maps for the fastest route, whether you want to drive or use public transport.

  • Catching an early flight from San Diego to Bellingham International Airport? Avoid the stress of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these hotels close to San Diego International Airport:

About Bellingham International Airport (BLI)

Getting from Bellingham International Airport (BLI) to central Bellingham

  • Bellingham International Airport to central Bellingham takes around 13 minutes by car. It's approximately 10 kilometres away. Discover what options are available, such as car rentals, cabs or ride-sharing.

  • It takes around 24 minutes to get there using public transport.

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

  • $69 is the cheapest price we've found for a one-way ticket from San Diego to Bellingham International Airport. Return flights start from $166. Prices may vary depending on availability at the time of booking.

  • 10 months is how far we recommend booking ahead to lock in flight tickets from San Diego to BLI.

  • You'll score the best savings on your tickets from San Diego to Bellingham International Airport if you take off in July. Go one step further and use the 'Whole month' search tool to see the cheapest day to fly out.

  • Locking in a cheap ticket from San Diego to BLI is easy with Price Alerts. Simply create one of these automatic alerts and we'll get in touch when the price drops.

  • Personalise your trip by applying filters. Choose the total duration, number of stops, and arrival and departure times to find the right flight from San Diego to Bellingham International Airport. You can also sort the results to see the 'Fastest,' 'Best' or 'Cheapest' options first.

The best time to fly from San Diego to Bellingham International Airport (BLI)

  • July is the most popular month for flights from San Diego to Bellingham International Airport. To escape the crowds, travel to Bellingham in May when it's quieter.

  • Book your flight from San Diego to BLI for August if you're eager to experience the city during its warmest month. You can expect temperatures in Bellingham to range from 12ºC to 25ºC.

  • Visit in February if you want to explore when it's cooler. Temperatures average between -2ºC and 10ºC. However, this destination promises a good time whenever you book your cheap flights from San Diego to Bellingham International Airport.

More about Bellingham

  • After booking your flight from San Diego to Bellingham International Airport, think about where to rest your head in this city. Make one of these accommodation options your base for exploring Bellingham:

  • There are so many things to explore in this city it can be hard to figure out where to start. Fairhaven Historic District, Whatcom Falls Park and Spark Museum of Electrical Invention are top sights which should feature on any well-planned Bellingham itinerary.

Complete your Bellingham trip with a car rental

  • Hop behind the wheel of one of our car rentals in Bellingham and explore at your own pace. Easily compare rates from trusted rental companies in one go after booking your hotel and cheap flights from San Diego to Bellingham International Airport.

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 45 days.