Plan to arrive at SAN at least two hours before your flight to avoid stress from potential traffic congestion near the airport.
$97+ Cheap flights from San Diego to Baltimore (SAN - BWI)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BWI
Dec 25 — Jan 11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Diego to Baltimore with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Diego to Baltimore/Washington are usually found in August or January, booked 32 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday
Cheap flight deals from San Diego to Baltimore
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Baltimore (BWI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 25, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $163 (Kiwi.com) |
One-way from | $97 (Frontier) |
Popular in | December |
Cheapest in | August |
Average price | $469 |
Find flight deals from San Diego to Baltimore
Cheapest flights from San Diego to BaltimoreExplore the most affordable flight options available from San Diego to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 25, 2025.
Explore the most affordable flight options available from San Diego to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 25, 2025.
This United Airlines deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:52 amSAN - BWI
1 stop7h 16mUnited Airlines
Mon 1/194:10 pmBWI - SAN
1 stop7h 32mUnited Airlines
Deal found 11/23![United Airlines logo]()
$254
This Expedia deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:25 amSAN - BWI
1 stop10h 18mMultiple Airlines
Mon 12/157:00 amBWI - SAN
1 stop11h 06mMultiple Airlines
Deal found 11/23![Multiple Airlines logo]()
$260
This Delta deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:40 pmSAN - BWI
1 stop7h 51mDelta
Tue 1/612:00 pmBWI - SAN
1 stop9h 58mDelta
Deal found 11/23![Delta logo]()
$267
This Expedia deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:25 amSAN - BWI
1 stop7h 22mMultiple Airlines
Mon 1/57:04 amBWI - SAN
1 stop12h 27mMultiple Airlines
Deal found 11/24![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:25 amSAN - BWI
1 stop10h 18mFrontier
Mon 12/158:39 pmBWI - SAN
2 stops29h 07mFrontier
Deal found 11/23![Frontier logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:25 amSAN - BWI
1 stop7h 47mMultiple Airlines
Tue 12/308:50 pmBWI - SAN
2 stops30h 09mMultiple Airlines
Deal found 11/24![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:25 amSAN - BWI
1 stop8h 36mMultiple Airlines
Mon 12/156:51 pmBWI - SAN
2 stops30h 55mMultiple Airlines
Deal found 11/24![Multiple Airlines logo]()
$276
This Delta deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1612:24 pmSAN - BWI
1 stop6h 44mDelta
Wed 12/178:04 amBWI - SAN
1 stop10h 17mDelta
Deal found 11/24![Delta logo]()
$277
This American Airlines deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/169:37 amSAN - BWI
2 stops9h 31mAmerican Airlines
Wed 12/176:00 amBWI - SAN
1 stop8h 52mAmerican Airlines
Deal found 11/24![American Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:25 amSAN - BWI
1 stop8h 36mMultiple Airlines
Sun 12/149:43 pmBWI - SAN
2 stops17h 55mMultiple Airlines
Deal found 11/24![Multiple Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:40 pmSAN - BWI
1 stop7h 51mDelta
Thu 1/16:00 amBWI - SAN
1 stop7h 42mDelta
Deal found 11/24![Delta logo]()
$297
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to Baltimore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 25, 2025.
Use the filters below to find and compare flights from San Diego to Baltimore that are best for you.
Fly from
San Diego
Fly to
Baltimore
Route
Depart
Return
Price
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Wed 2/4
11:58 am-11:26 pm
1 stop8h 28m
Baltimore/Washington
Sat 2/7
7:00 am-12:22 pm
1 stop8h 22m
$257
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Wed 12/24
12:40 pm-11:31 pm
1 stop7h 51m
Baltimore/Washington
Tue 1/6
12:00 pm-6:58 pm
1 stop9h 58m
$267
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Tue 12/16
12:24 pm-10:08 pm
1 stop6h 44m
Baltimore/Washington
Wed 12/17
8:04 am-3:21 pm
1 stop10h 17m
$277
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Sun 2/8
6:15 am-5:26 pm
1 stop8h 11m
Baltimore/Washington
Wed 2/11
12:25 pm-7:54 pm
2 stops10h 29m
$279
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Thu 1/8
8:05 am-8:28 pm
1 stop9h 23m
Baltimore/Washington
Sun 1/11
6:05 am-10:48 am
1 stop7h 43m
$287
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Thu 12/25
1:13 pm-11:32 pm
1 stop7h 19m
Baltimore/Washington
Tue 1/6
4:45 pm-10:45 pm
1 stop9h 00m
$287
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Fri 1/9
10:30 pm-10:18 am
1 stop8h 48m
Baltimore/Washington
Sat 1/17
4:45 pm-10:45 pm
1 stop9h 00m
$287
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Mon 2/16
6:10 pm-6:34 am
1 stop9h 24m
Baltimore/Washington
Thu 2/19
6:08 pm-11:40 pm
1 stop8h 32m
$294
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Tue 2/17
1:30 pm-11:00 pm
1 stop6h 30m
Baltimore/Washington
Thu 2/19
6:45 am-9:45 am
Nonstop6h 00m
$297
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Fri 1/30
9:45 pm-5:30 am
Nonstop4h 45m
Baltimore/Washington
Wed 2/4
7:35 am-1:35 pm
1 stop9h 00m
$297
Showing 1-10 of 21 results
Compare providers for flights from San Diego to Baltimore
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Baltimore in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on San Diego-Baltimore flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on San Diego-Baltimore flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from San Diego-Baltimore flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-Baltimore flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Baltimore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Diego to Baltimore
Have a flexible travel schedule? Discover the best time to fly to Baltimore from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Diego to Baltimore
Prices
More
How far ahead should I book a flight from San Diego to Baltimore?
Use this chart to determine the optimal time to book a round-trip flight from San Diego to Baltimore. Price data was last updated on November 21, 2025.
The best time to book flights from San Diego to Baltimore is 32 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from San Diego to Baltimore?
Currently, June is the cheapest month in which you can book a flight from San Diego to Baltimore (average of $99). Flying from San Diego to Baltimore in December is currently the most expensive (average of $184). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SAN to BWI?
Find hourly flight availability from San Diego to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 25, 2025.
It’s optimal to fly from San Diego to Baltimore in the evening. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight in the afternoon.
What is the cheapest day to fly from San Diego to Baltimore?
Use this chart to determine the cheapest time to fly round-trip from San Diego to Baltimore. Price data was last updated on November 25, 2025.
Travelers seeking maximum savings on their San Diego to Baltimore flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
What’s the top layover airport for flights from San Diego to Baltimore?
Share of 1-stop round-trip flights from San Diego to Baltimore chosen by Cheapflights users in the past 12 months, using the same layover each way.
Las Vegas (LAS) – chosen by Cheapflights users on 56% of 1-stop itineraries from San Diego to Baltimore on Cheapflights.
What’s the cheapest layover airport for flights from San Diego to Baltimore?
Average round-trip fare for 1-stop flights from San Diego to Baltimore, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $260.
What’s the fastest layover option from San Diego to Baltimore?
Shortest average travel time for 1-stop one-way flights from San Diego to Baltimore, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 6h 50m.
Which airport typically offers the quickest layover for flights from San Diego to Baltimore?
Average layover duration for 1-stop one-way flights from San Diego to Baltimore, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 1h 22m.
The best insider tips for San Diego to Baltimore flights
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your San Diego to Baltimore trip
Reviews of airlines servicing Baltimore
Get insights into the airlines that provide service to Baltimore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Baltimore. Reviews last updated November 25, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from San Diego to Baltimore have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Related info for your journey
Find useful and relevant information for your journey from San Diego to Baltimore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for San Diego to Baltimore
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from San Diego to Baltimore
Discover the top 7 airlines that operate flights from San Diego to Baltimore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 25, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$280 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$145 | Average$259 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$237 | Average$337 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$237 | Average$418 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$286 | Average$493 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$288 | Average$416 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$290 | Average$463 | FlexibilityNo cancel fee | On-time63% |