Plan to arrive at SAN at least two hours before your flight to avoid stress from potential traffic congestion near the airport.
$84+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BWI
Jan 7 — Jan 141
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 October, booked 32 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday
Cheap 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 December 8, 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 December 8, 2025.
This United Airlines deal was found by Cheapflights users on 12/6. 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 12/318:45 pmSAN - BWI
1 stop8h 32mUnited Airlines
Wed 1/78:23 amBWI - SAN
1 stop7h 36mUnited Airlines
Deal found 12/6![United Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 12/8. 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 12/3110:30 pmSAN - BWI
1 stop8h 47mDelta
Mon 1/55:25 pmBWI - SAN
1 stop8h 06mDelta
Deal found 12/8![Delta logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 12/8. 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 12/251:06 pmSAN - BWI
2 stops18h 05mMultiple Airlines
Mon 1/59:34 amBWI - SAN
1 stop16h 33mMultiple Airlines
Deal found 12/8![Multiple Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 12/6. 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.
Thu 12/258:13 amSAN - BWI
1 stop11h 49mAmerican Airlines
Thu 1/15:00 amBWI - SAN
1 stop9h 05mAmerican Airlines
Deal found 12/6![American Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 12/8. 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.
Wed 12/316:25 amSAN - BWI
1 stop9h 24mFrontier
Mon 1/59:30 pmBWI - SAN
2 stops27h 28mFrontier
Deal found 12/8![Frontier logo]()
$340
This Frontier deal was found by Cheapflights users on 12/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:45 amSAN - BWI
1 stop10h 28mFrontier
Thu 1/812:49 pmBWI - SAN
1 stop13h 47mFrontier
Deal found 12/7![Frontier logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 12/156:25 amSAN - BWI
1 stop8h 36mMultiple Airlines
Tue 12/305:36 pmBWI - SAN
2 stops33h 23mMultiple Airlines
Deal found 12/7![Multiple Airlines logo]()
$345
This Southwest deal was found by Cheapflights users on 12/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:40 amSAN - BWI
2 stops8h 30mSouthwest
Wed 1/74:20 pmBWI - SAN
2 stops9h 00mSouthwest
Deal found 12/6![Southwest logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 12/181:06 pmSAN - BWI
2 stops15h 16mMultiple Airlines
Mon 1/59:34 amBWI - SAN
1 stop16h 33mMultiple Airlines
Deal found 12/7![Multiple Airlines logo]()
$354
This Southwest deal was found by Cheapflights users on 12/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:20 pmSAN - BWI
Nonstop4h 50mSouthwest
Sun 1/46:20 amBWI - SAN
Nonstop5h 45mSouthwest
Deal found 12/7![Southwest logo]()
$357
This Delta deal was found by Cheapflights users on 12/8. 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 12/166:15 amSAN - BWI
1 stop8h 01mDelta
Sat 1/106:03 pmBWI - SAN
1 stop7h 28mDelta
Deal found 12/8![Delta logo]()
$367
Find 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 December 8, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $239 (CheapOair) |
One-way from | $84 (Kiwi.com) |
Popular in | November |
Cheapest in | August |
Average price | $423 |
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 December 8, 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 2/25
6:25 am-4:00 pm
1 stop6h 35m
Baltimore/Washington
Sat 3/7
8:15 pm-11:05 pm
Nonstop5h 50m
$277
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Wed 2/4
4:01 pm-6:14 pm
1 stop23h 13m
Baltimore/Washington
Sun 2/8
7:14 pm-10:07 am
1 stop17h 53m
$296
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Sat 2/14
7:50 pm-7:27 am
1 stop8h 37m
Baltimore/Washington
Fri 2/20
4:09 pm-10:35 pm
1 stop9h 26m
$297
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Wed 1/21
10:05 am-8:10 pm
1 stop7h 05m
Baltimore/Washington
Sun 1/25
6:45 am-9:45 am
Nonstop6h 00m
$297
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Fri 1/30
1:00 pm-11:15 pm
1 stop7h 15m
Baltimore/Washington
Wed 2/4
10:05 am-3:36 pm
1 stop8h 31m
$297
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Sat 2/14
11:35 am-9:40 pm
1 stop7h 05m
Baltimore/Washington
Fri 2/20
8:25 pm-11:25 pm
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
6:20 am-9:25 am
Nonstop6h 05m
$297
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Thu 2/12
11:05 am-11:25 pm
2 stops9h 20m
Baltimore/Washington
Tue 2/17
12:37 pm-6:33 pm
1 stop8h 56m
$302
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Thu 1/15
10:00 pm-10:27 am
1 stop9h 27m
Baltimore/Washington
Mon 1/19
5:25 pm-10:31 pm
1 stop8h 06m
$317
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Thu 2/26
6:25 am-4:38 pm
1 stop7h 13m
Baltimore/Washington
Sun 3/8
5:40 am-9:39 am
1 stop7h 59m
$317
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 December.
| 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
Airlines
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 December 5, 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 $198). 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 December 8, 2025.
It’s optimal to fly from San Diego to Baltimore in the evening. By choosing this option you can save up to 21% 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 December 6, 2025.
Travelers seeking maximum savings on their San Diego to Baltimore flight should consider departing on Thursday afternoons 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.
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 December 8, 2025.
See what other customers who have flown with Southwest, United Airlines, and American 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.
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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 December 8, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$278 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$145 | Average$250 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$237 | Average$337 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$237 | Average$413 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$286 | Average$492 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$288 | Average$460 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$288 | Average$417 | FlexibilityNo cancel fee | On-timeN/A |