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San Diego to Milwaukee Flights — Fares from $189.00 | SAN–MKE

Compare the cheapest San Diego (SAN) to Milwaukee (MKE) fares found by our live flight search, then book online or over the phone with our travel experts.

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Adults
12+
1
Children
2–11
0
Infants
Under 2
0
Cabin
🏷️
Save up to 40% with unpublished phone fares
Consolidator deals on selected San Diego → Milwaukee flights that do not appear in online search results. The live fares below are bookable right now — or call to check for an unpublished fare on your dates.
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One-way fares San Diego → Milwaukee

showing indicative fares · loading live prices…
Delta Air Lines
Delta Air Lines CHEAPEST
SAN → MKE · Economy
lowest fare seen on this route
$315.00
$189.00
Select
United Airlines
United Airlines
SAN → MKE · Economy
lowest fare seen on this route
$315.00
$189.00
Select
Southwest
Southwest
SAN → MKE · Economy
lowest fare seen on this route
$315.00
$189.00
Select
American Airlines
American Airlines
SAN → MKE · Economy
lowest fare seen on this route
$315.00
$189.00
Select
Alaska Airlines
Alaska Airlines
SAN → MKE · Economy
lowest fare seen on this route
$380.00
$228.00
Select
See all flights & times → Prices per adult, one way, incl. taxes & fees. Availability changes constantly.
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Live fares we can book on SAN–MKE

Lowest fare found per airline on the SAN → MKE route, with our discounted phone-deal price.

AirlineCabin Found fareOur discounted fare Fare found on
Delta Air Lines Delta Air Lines Economy $315.00 $189.00 Nov 15, 2026 Book
United Airlines United Airlines Economy $315.00 $189.00 Nov 15, 2026 Book
Southwest Southwest Economy $315.00 $189.00 Nov 15, 2026 Book
American Airlines American Airlines Economy $315.00 $189.00 Nov 15, 2026 Book
Alaska Airlines Alaska Airlines Economy $380.00 $228.00 Nov 15, 2026 Book

Discounted fares are negotiated phone deals from our vendor network and may not appear in online search results — call 1-856-513-6369 to lock one in. Fares were found on the dates shown, are per person in USD, and change with availability.

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Page updated November 15, 2026 · fare data refreshed automatically from live flight searches.