฿3,715 Cheap Delta flights from Chicago to San Diego (CHI→SAN)

View ฿3,715 flight on Sat, 17 Jan 2026Opens in a new window
  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Delta flights from Chicago to San Diego (CHI→SAN)

Prices were available within the past 7 days and start at ฿3,715 for one-way flights and ฿7,430 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 5 Feb - Tue, 10 Feb
ORD
Chicago
SAN
San Diego
฿7,430 Return, found 3 days ago
฿7,430
Return
found 3 days ago
Select Delta flight, departing Thu, 5 Feb from Chicago to San Diego, returning Tue, 10 Feb, priced at ฿7,430 found 3 days ago
Delta
Thu, 5 Feb - Tue, 10 Feb
ORD
Chicago
SAN
San Diego
฿7,585 Return, found 3 days ago
฿7,585
Return
found 3 days ago
Select Delta flight, departing Thu, 5 Feb from Chicago to San Diego, returning Tue, 10 Feb, priced at ฿7,585 found 3 days ago
Delta
Thu, 5 Feb - Tue, 10 Feb
ORD
Chicago
SAN
San Diego
฿8,395 Return, found 3 days ago
฿8,395
Return
found 3 days ago
Select Delta flight, departing Thu, 5 Feb from Chicago to San Diego, returning Tue, 10 Feb, priced at ฿8,395 found 3 days ago
Delta
Thu, 5 Feb - Tue, 10 Feb
ORD
Chicago
SAN
San Diego
฿8,555 Return, found 3 days ago
฿8,555
Return
found 3 days ago
Select Delta flight, departing Thu, 5 Feb from Chicago to San Diego, returning Tue, 10 Feb, priced at ฿8,555 found 3 days ago
Delta
Thu, 5 Feb - Tue, 10 Feb
ORD
Chicago
SAN
San Diego
฿8,805 Return, found 3 days ago
฿8,805
Return
found 3 days ago
Select Delta flight, departing Thu, 5 Feb from Chicago to San Diego, returning Tue, 10 Feb, priced at ฿8,805 found 3 days ago
Delta
Thu, 5 Feb - Tue, 10 Feb
ORD
Chicago
SAN
San Diego
฿8,960 Return, found 3 days ago
฿8,960
Return
found 3 days ago
Select Delta flight, departing Thu, 5 Feb from Chicago to San Diego, returning Tue, 10 Feb, priced at ฿8,960 found 3 days ago

Find the cheapest month to fly from Chicago (CHI) to San Diego (SAN)

February is typically the cheapest month to fly

From ฿2,977 - ฿5,966 per traveller.

Travel information

Origin airport
O'Hare Intl.
Destination airport
San Diego Intl.
Distance
2752 km

Explore a world of travel with Expedia

*Available to Expedia members.