$144+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BWI
Jun 26 — Jul 31
Round-trip
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 69 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
Cheap flight deals from San Diego to Baltimore
Cheapest
Best
Last-minute
One-way
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 May 27, 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 May 27, 2026.
This United Airlines deal was found by Cheapflights users on 5/26. 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 9/236:41 am
SAN
- BWI
1 stop8h 01m
United Airlines
Tue 9/293:04 pm
BWI
- SAN
1 stop9h 21m
United Airlines
Deal found 5/26![United Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 5/26. 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 9/236:15 am
SAN
- BWI
1 stop8h 23m
Delta
Wed 10/144:39 pm
BWI
- SAN
1 stop9h 24m
Delta
Deal found 5/26![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 5/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:32 pm
SAN
- BWI
1 stop8h 56m
Alaska Airlines
Fri 9/117:50 am
BWI
- SAN
1 stop9h 52m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 5/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:30 pm
SAN
- BWI
1 stop10h 00m
Southwest
Wed 8/262:00 pm
BWI
- SAN
Nonstop5h 15m
Southwest
Deal found 5/24![Southwest logo]()
$333
This Southwest deal was found by Cheapflights users on 5/26. 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 9/237:35 pm
SAN
- BWI
1 stop7h 55m
Southwest
Tue 9/295:20 pm
BWI
- SAN
Nonstop5h 15m
Southwest
Deal found 5/26![Southwest logo]()
$337
This Expedia deal was found by Cheapflights users on 5/22. 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 9/149:31 am
SAN
- BWI
1 stop17h 57m
Alaska Airlines
Mon 9/214:43 pm
BWI
- SAN
1 stop20h 47m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$342
This Travelocity deal was found by Cheapflights users on 5/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:25 am
SAN
- BWI
1 stop8h 42m
Multiple Airlines
Wed 8/264:43 pm
BWI
- SAN
1 stop20h 47m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 5/22. 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 9/238:45 am
SAN
- BWI
1 stop6h 50m
Southwest
Wed 10/147:00 am
BWI
- SAN
Nonstop5h 30m
Southwest
Deal found 5/22![Southwest logo]()
$347
This Southwest deal was found by Cheapflights users on 5/22. 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 9/26:45 am
SAN
- BWI
2 stops8h 30m
Southwest
Tue 9/86:05 pm
BWI
- SAN
1 stop7h 30m
Southwest
Deal found 5/22![Southwest logo]()
$352
This Southwest deal was found by Cheapflights users on 5/21. 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.
Sat 9/197:35 am
SAN
- BWI
Nonstop5h 00m
Southwest
Mon 9/216:35 am
BWI
- SAN
Nonstop5h 20m
Southwest
Deal found 5/21![Southwest logo]()
$357
This Expedia deal was found by Cheapflights users on 5/24. 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.
Thu 7/236:18 am
SAN
- BWI
1 stop20h 23m
Multiple Airlines
Tue 7/282:25 pm
BWI
- SAN
1 stop7h 36m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 5/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:40 pm
SAN
- BWI
1 stop8h 59m
United Airlines
Sat 10/103:04 pm
BWI
- SAN
1 stop9h 21m
United Airlines
Deal found 5/24![United Airlines logo]()
$362
Best flights from San Diego to BaltimoreDiscover carefully curated flight deals from San Diego to Baltimore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 27, 2026.
Discover carefully curated flight deals from San Diego to Baltimore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 27, 2026.
This Southwest deal was found by Cheapflights users on 5/25. 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.
Thu 7/239:40 pm
SAN
- BWI
Nonstop4h 55m
Southwest
Wed 7/299:10 pm
BWI
- SAN
Nonstop5h 20m
Southwest
Deal found 5/25![Southwest logo]()
$387
This Delta deal was found by Cheapflights users on 5/22. 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.
Fri 6/192:31 pm
SAN
- BWI
1 stop7h 09m
Delta
Fri 6/265:40 am
BWI
- SAN
1 stop8h 57m
Delta
Deal found 5/22![Delta logo]()
$433
This Southwest deal was found by Cheapflights users on 5/26. 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 8/57:35 pm
SAN
- BWI
1 stop7h 55m
Southwest
Mon 8/108:30 pm
BWI
- SAN
Nonstop5h 15m
Southwest
Deal found 5/26![Southwest logo]()
$397
This Delta deal was found by Cheapflights users on 5/24. 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.
Fri 8/149:30 pm
SAN
- BWI
1 stop9h 28m
Delta
Sun 8/166:00 am
BWI
- SAN
1 stop8h 07m
Delta
Deal found 5/24![Delta logo]()
$433
This Southwest deal was found by Cheapflights users on 5/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:40 pm
SAN
- BWI
1 stop7h 55m
Southwest
Wed 7/159:10 pm
BWI
- SAN
Nonstop5h 20m
Southwest
Deal found 5/24![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 5/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:40 pm
SAN
- BWI
1 stop8h 00m
Southwest
Sun 7/266:15 am
BWI
- SAN
Nonstop5h 15m
Southwest
Deal found 5/23![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 5/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/49:55 pm
SAN
- BWI
1 stop8h 35m
Southwest
Fri 7/1010:45 am
BWI
- SAN
1 stop6h 35m
Southwest
Deal found 5/24![Southwest logo]()
$437
This Southwest deal was found by Cheapflights users on 5/26. 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.
Fri 6/1210:40 pm
SAN
- BWI
1 stop7h 00m
Southwest
Fri 6/199:05 pm
BWI
- SAN
Nonstop5h 15m
Southwest
Deal found 5/26![Southwest logo]()
$439
This Southwest deal was found by Cheapflights users on 5/26. 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 7/299:40 pm
SAN
- BWI
Nonstop4h 55m
Southwest
Wed 8/511:00 am
BWI
- SAN
1 stop7h 55m
Southwest
Deal found 5/26![Southwest logo]()
$447
Last-minute flights from San Diego to BaltimoreDiscover last-minute flight deals from San Diego to Baltimore. Data last updated May 27, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Baltimore. Data last updated May 27, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 5/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:17 pm
SAN
- BWI
1 stop10h 11m
Alaska Airlines
Sat 9/124:43 pm
BWI
- SAN
1 stop20h 47m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$404
This Frontier deal was found by Cheapflights users on 5/25. 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.
Wed 6/36:25 am
SAN
- BWI
1 stop8h 00m
Frontier
Thu 6/1112:21 pm
BWI
- SAN
1 stop9h 29m
Frontier
Deal found 5/25![Frontier logo]()
$413
This Expedia deal was found by Cheapflights users on 5/26. 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.
Thu 6/46:25 am
SAN
- BWI
1 stop8h 00m
Multiple Airlines
Wed 8/264:43 pm
BWI
- SAN
1 stop20h 47m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$368
This Frontier deal was found by Cheapflights users on 5/26. 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 6/56:25 am
SAN
- BWI
1 stop8h 00m
Frontier
Thu 6/1112:21 pm
BWI
- SAN
1 stop9h 29m
Frontier
Deal found 5/26![Frontier logo]()
$373
This Frontier deal was found by Cheapflights users on 5/26. 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.
Sat 6/66:25 am
SAN
- BWI
1 stop7h 23m
Frontier
Thu 6/1112:21 pm
BWI
- SAN
1 stop9h 29m
Frontier
Deal found 5/26![Frontier logo]()
$365
This Gotogate deal was found by Cheapflights users on 5/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:25 am
SAN
- BWI
1 stop7h 23m
Frontier
Fri 6/1212:21 pm
BWI
- SAN
1 stop9h 29m
Frontier
Deal found 5/26![Frontier logo]()
$389
This Priceline deal was found by Cheapflights users on 5/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:25 am
SAN
- BWI
1 stop7h 23m
Multiple Airlines
Wed 6/1012:25 pm
BWI
- SAN
1 stop7h 42m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$416
This Frontier deal was found by Cheapflights users on 5/25. 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.
Mon 6/86:25 am
SAN
- BWI
1 stop8h 00m
Frontier
Thu 6/1112:21 pm
BWI
- SAN
1 stop9h 29m
Frontier
Deal found 5/25![Frontier logo]()
$396
This American Airlines deal was found by Cheapflights users on 5/22. 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.
Fri 6/121:23 pm
SAN
- BWI
1 stop7h 44m
American Airlines
Sat 6/137:11 pm
BWI
- SAN
1 stop7h 48m
American Airlines
Deal found 5/22![American Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 5/26. 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.
Tue 6/2310:40 pm
SAN
- BWI
1 stop8h 00m
Southwest
Tue 6/309:10 pm
BWI
- SAN
Nonstop5h 15m
Southwest
Deal found 5/26![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 5/25. 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.
Tue 6/2310:40 pm
SAN
- BWI
1 stop8h 00m
Southwest
Mon 6/299:05 pm
BWI
- SAN
Nonstop5h 15m
Southwest
Deal found 5/25![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 5/22. 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.
Tue 6/3010:40 pm
SAN
- BWI
1 stop8h 00m
Southwest
Tue 7/79:10 pm
BWI
- SAN
Nonstop5h 20m
Southwest
Deal found 5/22![Southwest logo]()
$412
One-way flights from San Diego to BaltimoreSearch for one-way flight options from San Diego to Baltimore. Find affordable one-way fares based on user searches. Data last updated May 27, 2026.
Search for one-way flight options from San Diego to Baltimore. Find affordable one-way fares based on user searches. Data last updated May 27, 2026.
This Frontier deal was found by Cheapflights users on 5/26. 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.
Sun 8/236:25 am
SAN
- BWI
1 stop8h 42m
Frontier
Deal found 5/26![Frontier logo]()
$144
This Delta deal was found by Cheapflights users on 5/26. 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.
Sat 8/225:01 pm
SAN
- BWI
1 stop10h 19m
Delta
Deal found 5/26![Delta logo]()
$164
This American Airlines deal was found by Cheapflights users on 5/26. 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 8/199:40 am
SAN
- BWI
2 stops9h 18m
American Airlines
Deal found 5/26![American Airlines logo]()
$169
This Frontier deal was found by Cheapflights users on 5/26. 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.
Thu 8/206:25 am
SAN
- BWI
1 stop8h 42m
Frontier
Deal found 5/26![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 5/22. 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.
Tue 8/189:53 pm
SAN
- BWI
2 stops32h 46m
Frontier
Deal found 5/22![Frontier logo]()
$172
This Super.com deal was found by Cheapflights users on 5/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:25 am
SAN
- BWI
1 stop8h 00m
Frontier
Deal found 5/25![Frontier logo]()
$173
This Super.com deal was found by Cheapflights users on 5/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:25 am
SAN
- BWI
1 stop8h 00m
Frontier
Deal found 5/26![Frontier logo]()
$189
This Super.com deal was found by Cheapflights users on 5/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:25 am
SAN
- BWI
1 stop8h 00m
Frontier
Deal found 5/25![Frontier logo]()
$190
This Frontier deal was found by Cheapflights users on 5/26. 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.
Sat 5/306:25 am
SAN
- BWI
1 stop7h 23m
Frontier
Deal found 5/26![Frontier logo]()
$191
This Southwest deal was found by Cheapflights users on 5/26. 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 7/89:40 pm
SAN
- BWI
Nonstop4h 55m
Southwest
Deal found 5/26![Southwest logo]()
$194
This Frontier deal was found by Cheapflights users on 5/26. 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 6/56:25 am
SAN
- BWI
1 stop8h 00m
Frontier
Deal found 5/26![Frontier logo]()
$199
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 May 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $333 (Southwest) |
One-way from | $144 (Frontier) |
Popular in | January |
Cheapest in | August |
Average price | $402 |
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 May 27, 2026.
Use the filters below to find and compare flights from San Diego to Baltimore that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Thu 7/23
9:40 pm-5:35 am
Nonstop4h 55m
Baltimore/Washington
Wed 7/29
9:10 pm-11:30 pm
Nonstop5h 20m
$387
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Wed 8/5
7:35 pm-6:30 am
1 stop7h 55m
Baltimore/Washington
Mon 8/10
8:30 pm-10:45 pm
Nonstop5h 15m
$397
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Wed 7/8
10:40 pm-9:35 am
1 stop7h 55m
Baltimore/Washington
Wed 7/15
9:10 pm-11:30 pm
Nonstop5h 20m
$397
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Tue 7/14
10:40 pm-9:40 am
1 stop8h 00m
Baltimore/Washington
Sun 7/26
6:15 am-8:30 am
Nonstop5h 15m
$417
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Fri 6/19
2:31 pm-12:40 am
1 stop7h 09m
Baltimore/Washington
Fri 6/26
5:40 am-11:37 am
1 stop8h 57m
$433
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Fri 8/14
9:30 pm-9:58 am
1 stop9h 28m
Baltimore/Washington
Sun 8/16
6:00 am-11:07 am
1 stop8h 07m
$433
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Sat 7/4
9:55 pm-9:30 am
1 stop8h 35m
Baltimore/Washington
Fri 7/10
10:45 am-2:20 pm
1 stop6h 35m
$437
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Fri 6/12
10:40 pm-8:40 am
1 stop7h 00m
Baltimore/Washington
Fri 6/19
9:05 pm-11:20 pm
Nonstop5h 15m
$439
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Wed 7/29
9:40 pm-5:35 am
Nonstop4h 55m
Baltimore/Washington
Wed 8/5
11:00 am-3:55 pm
1 stop7h 55m
$447
Cheapest one-way
Quickest one-way
San DiegoBaltimore
SAN - BWI
SANBWI
San Diego
Sat 7/4
9:40 pm-5:35 am
Nonstop4h 55m
$194
Showing 1-10 of 21 resultsSorted by cheapest first
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Baltimore flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
SAN-BWI
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?
The best time to book flights from San Diego to Baltimore is 68 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, August is the cheapest month in which you can book a flight from San Diego to Baltimore (average of $307). Flying from San Diego to Baltimore in January is currently the most expensive (average of $483). 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 May 27, 2026.
It’s optimal to fly from San Diego to Baltimore in the afternoon. By choosing this option you can save up to 35% 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 May 23, 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.
Denver (DEN) – chosen by Cheapflights users on 44% 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 $250.
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.
The best insider tips for San Diego to Baltimore flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Diego to Baltimore trip
Our travel experts
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 May 27, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
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
Complete your trip
Flights by cabin class
Other flight options
Other flights from San Diego
Popular flights
Alternative routes for San Diego to Baltimore
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Baltimore by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Diego to Baltimore by cabin class
Find flights from San Diego to Baltimore, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Diego and Baltimore flights
Browse other San Diego and Baltimore flight options. Last updated on May 27, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on May 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 May 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$135 | Average$301 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$185 | Average$246 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$197 | Average$356 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$208 | Average$426 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$256 | Average$406 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$277 | Average$457 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$286 | Average$488 | FlexibilityNo cancel fee | On-time71% |