Plan to arrive at SAN at least two hours before your flight to avoid stress from potential traffic congestion near the airport.
$78+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BWI
Feb 7 — Feb 141
1 adult, Economy
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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
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 January 8, 2026.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $181 (American Airlines) |
One-way from | $78 (Frontier) |
Popular in | December |
Cheapest in | August |
Average price | $389 |
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 January 8, 2026.
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 January 8, 2026.
This American Airlines deal was found by Cheapflights users on 1/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/412:32 pmSAN - BWI
1 stop7h 38mAmerican Airlines
Tue 2/1011:13 amBWI - SAN
1 stop8h 41mAmerican Airlines
Deal found 1/8![American Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
Wed 2/189:45 amSAN - BWI
1 stop22h 32mFrontier
Mon 2/236:08 pmBWI - SAN
2 stops30h 33mFrontier
Deal found 1/7![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
Wed 2/259:45 amSAN - BWI
1 stop22h 32mFrontier
Fri 2/277:06 pmBWI - SAN
1 stop18h 20mFrontier
Deal found 1/7![Frontier logo]()
$197
This American Airlines deal was found by Cheapflights users on 1/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/510:50 amSAN - BWI
1 stop9h 28mAmerican Airlines
Tue 2/103:41 pmBWI - SAN
1 stop8h 00mAmerican Airlines
Deal found 1/7![American Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/119:45 amSAN - BWI
1 stop22h 32mFrontier
Tue 2/177:54 pmBWI - SAN
2 stops48h 57mFrontier
Deal found 1/6![Frontier logo]()
$201
This Southwest deal was found by Cheapflights users on 1/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/49:45 pmSAN - BWI
Nonstop4h 45mSouthwest
Tue 2/106:00 pmBWI - SAN
Nonstop6h 00mSouthwest
Deal found 1/8![Southwest logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
Fri 2/610:21 amSAN - BWI
2 stops29h 42mMultiple Airlines
Fri 2/137:50 pmBWI - SAN
1 stop17h 36mMultiple Airlines
Deal found 1/7![Multiple Airlines logo]()
$208
This American Airlines deal was found by Cheapflights users on 1/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/710:45 pmSAN - BWI
1 stop8h 34mAmerican Airlines
Tue 2/1011:13 amBWI - SAN
1 stop8h 41mAmerican Airlines
Deal found 1/7![American Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 2/96:30 amSAN - BWI
2 stops15h 06mFrontier
Fri 2/137:50 pmBWI - SAN
1 stop17h 36mFrontier
Deal found 1/7![Frontier logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 1/7. 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.
Wed 2/119:45 amSAN - BWI
1 stop22h 32mFrontier
Wed 2/188:25 pmBWI - SAN
2 stops39h 25mFrontier
Deal found 1/7![Frontier logo]()
$216
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 January 8, 2026.
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 4/1
6:20 am-2:15 pm
Nonstop4h 55m
Baltimore/Washington
Tue 4/7
4:45 pm-10:00 pm
1 stop8h 15m
$234
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Wed 4/1
6:22 pm-6:00 am
1 stop8h 38m
Baltimore/Washington
Tue 4/7
4:18 pm-9:22 pm
1 stop8h 04m
$237
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Wed 2/18
12:55 pm-11:25 pm
1 stop7h 30m
Baltimore/Washington
Mon 2/23
4:05 pm-10:00 pm
1 stop8h 55m
$245
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Tue 3/17
9:40 pm-5:30 am
Nonstop4h 50m
Baltimore/Washington
Sat 3/28
6:15 pm-11:25 pm
1 stop8h 10m
$254
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Wed 2/4
7:05 am-2:55 pm
Nonstop4h 50m
Baltimore/Washington
Tue 2/10
6:20 am-9:25 am
Nonstop6h 05m
$257
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Wed 2/11
9:45 pm-5:30 am
Nonstop4h 45m
Baltimore/Washington
Tue 2/17
6:45 am-9:45 am
Nonstop6h 00m
$257
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Tue 2/3
9:55 am-11:16 pm
2 stops10h 21m
Baltimore/Washington
Mon 2/9
5:18 pm-10:33 pm
1 stop8h 15m
$258
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Wed 3/18
9:40 pm-5:30 am
Nonstop4h 50m
Baltimore/Washington
Mon 3/23
6:25 am-9:15 am
Nonstop5h 50m
$260
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Wed 3/4
11:30 am-11:25 pm
1 stop8h 55m
Baltimore/Washington
Sun 3/8
6:05 am-11:38 am
1 stop8h 33m
$263
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Tue 3/31
3:38 pm-5:51 am
2 stops11h 13m
Baltimore/Washington
Wed 4/8
2:59 pm-8:52 pm
1 stop8h 53m
$265
Showing 1-10 of 23 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 January.
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | 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 January 2, 2026.
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 $186). 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 January 8, 2026.
It’s optimal to fly from San Diego to Baltimore in the afternoon. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight at noon.
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 January 3, 2026.
Travelers seeking maximum savings on their San Diego to Baltimore flight should consider departing on Sunday 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 50% 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 Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 16m.
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 January 8, 2026.
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.
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
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 January 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$282 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$144 | Average$239 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$237 | Average$317 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$237 | Average$413 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$286 | Average$480 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$288 | Average$417 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$291 | Average$459 | FlexibilityNo cancel fee | On-time63% |