Flights to Fullerton from Portsmouth

View ฿3,870 flight on Wed, 10 Sep 2025Opens in a new window

Popular airlines from Portsmouth to Fullerton

  • 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 40% 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 Portsmouth (BOS) to Fullerton (QLA)

Prices were available within the past 7 days and start at ฿3,870 for one-way flights and ฿8,715 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 15 Oct - Tue, 21 Oct
BOS
Boston
LAX
Los Angeles
฿8,715 Return, found 3 days ago
฿8,715
Return
found 3 days ago
Select Delta flight, departing Wed, 15 Oct from Boston to Los Angeles, returning Tue, 21 Oct, priced at ฿8,715 found 3 days ago
United
Wed, 15 Oct - Tue, 21 Oct
BOS
Boston
LAX
Los Angeles
฿9,370 Return, found 3 days ago
฿9,370
Return
found 3 days ago
Select United flight, departing Wed, 15 Oct from Boston to Los Angeles, returning Tue, 21 Oct, priced at ฿9,370 found 3 days ago
United
Wed, 15 Oct - Tue, 21 Oct
BOS
Boston
LAX
Los Angeles
฿9,690 Return, found 3 days ago
฿9,690
Return
found 3 days ago
Select United flight, departing Wed, 15 Oct from Boston to Los Angeles, returning Tue, 21 Oct, priced at ฿9,690 found 3 days ago
Delta
Wed, 15 Oct - Tue, 21 Oct
BOS
Boston
LAX
Los Angeles
฿9,695 Return, found 3 days ago
฿9,695
Return
found 3 days ago
Select Delta flight, departing Wed, 15 Oct from Boston to Los Angeles, returning Tue, 21 Oct, priced at ฿9,695 found 3 days ago
Delta
Tue, 7 Oct - Sat, 11 Oct
BOS
Boston
LAX
Los Angeles
฿9,700 Return, found 5 days ago
฿9,700
Return
found 5 days ago
Select Delta flight, departing Tue, 7 Oct from Boston to Los Angeles, returning Sat, 11 Oct, priced at ฿9,700 found 5 days ago
American Airlines
Wed, 15 Oct - Tue, 21 Oct
BOS
Boston
LAX
Los Angeles
฿10,675 Return, found 3 days ago
฿10,675
Return
found 3 days ago
Select American Airlines flight, departing Wed, 15 Oct from Boston to Los Angeles, returning Tue, 21 Oct, priced at ฿10,675 found 3 days ago

Find the cheapest month to fly from Boston (BOS) to Santa Ana (SNA)

August is typically the cheapest month to fly

From ฿4,885 - ฿11,598 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.