Baltimore to San Diego flights
The cheapest round trip we found from Baltimore to San Diego is $281 (Feb 1 – 4, 2027, 3 stops), 40% below the usual $472.
BWI to SAN · Round trip · Economy · Prices per person in USD · Price found (1 hour ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $472 |
| December 2026 | $399 |
| January 2027 | No fares found yet |
| February 2027 | $281 (cheapest month) |
| March 2027 | No fares found yet |
| April 2027 | No fares found yet |
| May 2027 | No fares found yet |
| June 2027 | No fares found yet |
| July 2027 | $572 |
| August 2027 | $598 |
Cheapest dates in the next 4 months
Round trip, per person-
Feb 1 – 4, 2027 3 nights · leave Mon$281 −40% vs usual$281 −40% vs usual Book
Frontier Airlines 3 stops · 10h 49m -
Dec 18 – 24 6 nights · leave Fri$399 −15% vs usual$399 −15% vs usual Book
Southwest Airlines 1 stop · 6h 15m -
Nov 24 – Dec 2 8 nights · leave Tue$472$472 Book
American Airlines 1 stop · 7h 08m -
Nov 20 – 27 7 nights · leave Fri$533 +13% vs usual$533 +13% vs usual Book
American Airlines 1 stop · 7h 29m
-
Nov 19 – 26 7 nights · leave Thu$534 +13% vs usual$534 +13% vs usual Book
American Airlines 1 stop · 7h 11m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
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Go City prices checked Oct 23, 2026; the final price is on Go City. Partner links: we may earn a commission if you book, at no extra cost to you.
Plan the rest of your trip
San Diego · Feb 1 – 4, 2027Partner links: we may earn a commission if you book, at no extra cost to you.
Good to know
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Baltimore to San Diego: questions
How much does a flight from Baltimore to San Diego cost?
The cheapest round trip we have found right now is $281, leaving February 1 and returning February 4. The usual price on this route is about $472, so this fare is 40% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from Baltimore to San Diego?
February 2027, with round trips from $281. The most expensive month in our data is August (from $598). Based on the 5 months ahead we have prices for.
Which airports do Baltimore to San Diego flights use?
Baltimore airports include Baltimore/Wash International Thurgood Marshall (BWI). San Diego airports include San Diego International (SAN) and McClellan-Palomar (CLD). The prices on this page cover every airport in both cities (BWI and SAN are the city codes).
About this route
We track round-trip economy fares from Baltimore (United States) to San Diego (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $281, departing February 1 and returning February 4, about 40% below the usual $472. Right now we're following 5 upcoming date combinations on this route. The cheapest month to fly in our data is February, from $281. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.