Cheap flights from Bellingham to Carlsbad from CA $203

View CA $203 flight on Sat, Sep. 27, 2025Opens in a new window

Popular airlines from Bellingham to Carlsbad

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Bellingham (FRD) to Carlsbad (SAN)

Prices were available within the past 7 days and start at CA $203 for one-way flights and CA $352 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Sep. 27 - Sat, Oct. 4
BLI
Bellingham
SAN
San Diego
CA $352 Roundtrip, found 3 hours ago
CA $352
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Sat, Sep. 27 from Bellingham to San Diego, returning Sat, Oct. 4, priced at CA $352 found 3 hours ago
Alaska Airlines
Sat, Sep. 6 - Tue, Sep. 9
BLI
Bellingham
SAN
San Diego
CA $354 Roundtrip, found 2 days ago
CA $354
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Sep. 6 from Bellingham to San Diego, returning Tue, Sep. 9, priced at CA $354 found 2 days ago
Hawaiian Airlines
Tue, Sep. 23 - Tue, Sep. 30
BLI
Bellingham
SAN
San Diego
CA $355 Roundtrip, found 5 days ago
CA $355
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Tue, Sep. 23 from Bellingham to San Diego, returning Tue, Sep. 30, priced at CA $355 found 5 days ago
Alaska Airlines
Sat, Sep. 27 - Sat, Oct. 4
BLI
Bellingham
SAN
San Diego
CA $368 Roundtrip, found 3 hours ago
CA $368
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Sat, Sep. 27 from Bellingham to San Diego, returning Sat, Oct. 4, priced at CA $368 found 3 hours ago
Hawaiian Airlines
Sat, Sep. 27 - Tue, Sep. 30
BLI
Bellingham
SAN
San Diego
CA $371 Roundtrip, found 5 days ago
CA $371
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Sat, Sep. 27 from Bellingham to San Diego, returning Tue, Sep. 30, priced at CA $371 found 5 days ago
American Airlines
Wed, Oct. 22 - Wed, Oct. 29
BLI
Bellingham
CLD
Carlsbad
CA $602 Roundtrip, found 5 days ago
CA $602
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Oct. 22 from Bellingham to Carlsbad, returning Wed, Oct. 29, priced at CA $602 found 5 days ago

Find the cheapest month to fly from Bellingham (BLI) to San Diego (SAN)

January is typically the cheapest month to fly

From CA $294 - CA $644 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.