$184+ Cheap flights from San Diego (SAN) to Reagan-National (DCA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — DCA
Nov 11 — Nov 181
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to Reagan-National 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 Washington, D.C. Reagan-National are usually found in February or January, booked 63 days in advance, depart on a Thursday or Saturday and return on a Saturday
Cheap flight deals from San Diego to Reagan-National
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Diego to Reagan-NationalExplore the most affordable flight options available from San Diego to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 12, 2026.
Explore the most affordable flight options available from San Diego to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 12, 2026.
This Mytrip deal was found by Cheapflights users on 10/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:33 pm -
2 stops18h 14m
Sun 11/16:00 pm -
1 stop8h 57m
Deal found 10/11![Frontier logo]()
$354
This Frontier deal was found by Cheapflights users on 10/10. 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 11/236:30 am -
1 stop7h 27m
Tue 12/16:00 pm -
1 stop8h 57m
Deal found 10/10![Frontier logo]()
$355
This CheapOair deal was found by Cheapflights users on 10/12. 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 10/284:53 pm -
1 stop25h 57m
Sun 11/87:00 am -
1 stop19h 57m
Deal found 10/12![Frontier logo]()
$356
This Priceline deal was found by Cheapflights users on 10/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:58 pm -
Nonstop5h 02m
Tue 11/1010:59 am -
Nonstop5h 48m
Deal found 10/8![Alaska Airlines logo]()
$357
This Mytrip deal was found by Cheapflights users on 10/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/711:06 am -
2 stops22h 03m
Tue 11/107:00 am -
2 stops30h 11m
Deal found 10/8![Frontier logo]()
$358
This Cheapflightsfares deal was found by Cheapflights users on 10/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:53 pm -
1 stop16h 16m
Tue 11/36:00 pm -
1 stop8h 57m
Deal found 10/9![Frontier logo]()
$359
This Southwest deal was found by Cheapflights users on 10/8. 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.
Fri 10/3011:10 am -
2 stops8h 45m
Mon 11/24:05 pm -
2 stops9h 50m
Deal found 10/8![Southwest logo]()
$360
This Cheapflightsfares deal was found by Cheapflights users on 10/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:53 pm -
1 stop16h 16m
Fri 10/306:00 pm -
1 stop8h 57m
Deal found 10/9![Frontier logo]()
$361
This Frontier deal was found by Cheapflights users on 10/7. 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.
Sun 11/16:25 am -
1 stop12h 25m
Thu 11/51:00 pm -
1 stop13h 57m
Deal found 10/7![Frontier logo]()
$362
This Frontier deal was found by Cheapflights users on 10/11. 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.
Tue 12/86:30 am -
1 stop7h 25m
Wed 12/236:00 pm -
1 stop9h 28m
Deal found 10/11![Frontier logo]()
$363
This Frontier deal was found by Cheapflights users on 10/7. 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.
Wed 12/96:30 am -
1 stop12h 29m
Wed 12/236:00 pm -
1 stop9h 28m
Deal found 10/7![Frontier logo]()
$364
This American Airlines deal was found by Cheapflights users on 10/9. 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 12/2910:33 pm -
1 stop7h 35m
Wed 1/68:05 am -
1 stop8h 04m
Deal found 10/9![American Airlines logo]()
$365
Best flights from San Diego to Reagan-NationalDiscover carefully curated flight deals from San Diego to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.
Discover carefully curated flight deals from San Diego to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:58 pm -
Nonstop5h 02m
Wed 11/1110:59 am -
Nonstop5h 48m
Deal found 10/8![Alaska Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 10/8. 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.
Tue 11/176:35 am -
2 stops8h 25m
Fri 11/201:35 pm -
2 stops9h 20m
Deal found 10/8![Southwest logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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.
Sat 12/191:07 pm -
Nonstop4h 53m
Wed 1/610:59 am -
Nonstop5h 58m
Deal found 10/9![Alaska Airlines logo]()
$412
This Southwest deal was found by Cheapflights users on 10/11. 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 11/189:15 am -
2 stops9h 40m
Fri 11/201:35 pm -
2 stops9h 20m
Deal found 10/11![Southwest logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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.
Thu 12/241:07 pm -
Nonstop4h 53m
Wed 1/610:59 am -
Nonstop5h 58m
Deal found 10/9![Alaska Airlines logo]()
$412
This Southwest deal was found by Cheapflights users on 10/7. 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.
Wed 11/2510:35 pm -
1 stop7h 40m
Mon 11/305:25 pm -
2 stops9h 00m
Deal found 10/7![Southwest logo]()
$452
This Southwest deal was found by Cheapflights users on 10/11. 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.
Sun 11/110:35 pm -
2 stops9h 40m
Fri 11/64:05 pm -
2 stops9h 55m
Deal found 10/11![Southwest logo]()
$452
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:45 pm -
Nonstop5h 15m
Mon 11/210:59 am -
Nonstop5h 48m
Deal found 10/8![Alaska Airlines logo]()
$467
This Southwest deal was found by Cheapflights users on 10/7. 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.
Tue 11/2410:40 pm -
1 stop6h 45m
Mon 11/305:25 pm -
2 stops9h 00m
Deal found 10/7![Southwest logo]()
$464
This Alaska Airlines deal was found by Cheapflights users on 10/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:58 pm -
Nonstop5h 02m
Mon 11/1610:59 am -
Nonstop5h 48m
Deal found 10/7![Alaska Airlines logo]()
$472
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/211:07 pm -
Nonstop4h 53m
Tue 12/2910:59 am -
Nonstop5h 55m
Deal found 10/8![Alaska Airlines logo]()
$507
Last-minute flights from San Diego to Reagan-NationalDiscover last-minute flight deals from San Diego to Reagan-National. Data last updated October 12, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Reagan-National. Data last updated October 12, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 10/12. 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 10/284:53 pm -
1 stop25h 57m
Sun 11/87:00 am -
1 stop19h 57m
Deal found 10/12![Frontier logo]()
$356
This Cheapflightsfares deal was found by Cheapflights users on 10/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:53 pm -
1 stop16h 16m
Tue 11/36:00 pm -
1 stop8h 57m
Deal found 10/9![Frontier logo]()
$359
This American Airlines deal was found by Cheapflights users on 10/9. 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 10/2811:58 am -
1 stop7h 22m
Mon 11/26:00 am -
1 stop7h 56m
Deal found 10/9![American Airlines logo]()
$364
This Mytrip deal was found by Cheapflights users on 10/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:33 pm -
2 stops18h 14m
Sun 11/16:00 pm -
1 stop8h 57m
Deal found 10/11![Frontier logo]()
$354
This Cheapflightsfares deal was found by Cheapflights users on 10/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:53 pm -
1 stop16h 16m
Fri 10/306:00 pm -
1 stop8h 57m
Deal found 10/9![Frontier logo]()
$361
This Southwest deal was found by Cheapflights users on 10/8. 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.
Fri 10/3011:10 am -
2 stops8h 45m
Mon 11/24:05 pm -
2 stops9h 50m
Deal found 10/8![Southwest logo]()
$360
This Frontier deal was found by Cheapflights users on 10/7. 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.
Sun 11/16:25 am -
1 stop12h 25m
Thu 11/51:00 pm -
1 stop13h 57m
Deal found 10/7![Frontier logo]()
$362
This Mytrip deal was found by Cheapflights users on 10/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:38 pm -
2 stops18h 09m
Tue 11/107:00 am -
2 stops30h 11m
Deal found 10/8![Frontier logo]()
$365
This Priceline deal was found by Cheapflights users on 10/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:58 pm -
Nonstop5h 02m
Tue 11/1010:59 am -
Nonstop5h 48m
Deal found 10/8![Alaska Airlines logo]()
$357
This Mytrip deal was found by Cheapflights users on 10/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/711:06 am -
2 stops22h 03m
Tue 11/107:00 am -
2 stops30h 11m
Deal found 10/8![Frontier logo]()
$358
This Frontier deal was found by Cheapflights users on 10/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:25 am -
1 stop7h 22m
Sun 11/226:00 pm -
1 stop8h 57m
Deal found 10/8![Frontier logo]()
$363
This Frontier deal was found by Cheapflights users on 10/10. 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 11/236:30 am -
1 stop7h 27m
Tue 12/16:00 pm -
1 stop8h 57m
Deal found 10/10![Frontier logo]()
$355
One-way flights from San Diego to Reagan-NationalSearch for one-way flight options from San Diego to Reagan-National. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
Search for one-way flight options from San Diego to Reagan-National. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
This Southwest deal was found by Cheapflights users on 10/7. 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 10/2610:40 pm -
1 stop6h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Southwest logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 10/10. 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 10/297:33 pm -
2 stops18h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Frontier logo]()
$185
This Super.com deal was found by Cheapflights users on 10/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:53 pm -
1 stop25h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$186
This CheapOair deal was found by Cheapflights users on 10/10. 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.
Mon 11/168:26 pm -
1 stop19h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![JetBlue logo]()
$187
This Mytrip deal was found by Cheapflights users on 10/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:33 pm -
2 stops24h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Frontier logo]()
$188
This Delta deal was found by Cheapflights users on 10/9. 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.
Sun 11/810:00 pm -
1 stop7h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Delta logo]()
$189
This Jetabroad deal was found by Cheapflights users on 10/11. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/119:39 pm -
1 stop11h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![JetBlue logo]()
$192
This Southwest deal was found by Cheapflights users on 10/9. 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.
Sun 11/2210:35 pm -
2 stops9h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Southwest logo]()
$194
This Southwest deal was found by Cheapflights users on 10/8. 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.
Tue 10/279:30 am -
1 stop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Southwest logo]()
$195
This Southwest deal was found by Cheapflights users on 10/9. 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 10/2810:40 pm -
1 stop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Southwest logo]()
$196
This Jetabroad deal was found by Cheapflights users on 10/12. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:36 am -
1 stop7h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Frontier logo]()
$199
Find flight deals from San Diego to Reagan-National
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Reagan-National (DCA). 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 October 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $354 (Delta) |
One-way from | $184 (Southwest) |
Popular in | July |
Cheapest in | February |
Average price | $445 |
Good round-trip deal | $512 or less |
Good one-way deal | $288 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to Reagan-National 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 7,457,451 searches. Data last updated October 12, 2026.
Use the filters below to find and compare flights from San Diego to Washington, D.C. Reagan-National Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoWashington, D.C.
SAN San Diego - DCA Washington, D.C. Reagan-National
SANDCA
San Diego
Sun 11/15
10:35 pm-8:20 am
1 stop6h 45m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
San DiegoWashington, D.C.
SAN San Diego - DCA Washington, D.C. Reagan-National
SANDCA
San Diego
Wed 10/21
10:40 pm-8:50 am
1 stop7h 10m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$196
San DiegoWashington, D.C.
SAN San Diego - DCA Washington, D.C. Reagan-National
SANDCA
San Diego
Wed 2/10
12:52 pm-9:00 pm
Nonstop5h 08m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$209
San DiegoWashington, D.C.
SAN San Diego - DCA Washington, D.C. Reagan-National
SANDCA
San Diego
Mon 1/11
7:11 am-5:59 pm
1 stop7h 48m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$209
San DiegoWashington, D.C.
SAN San Diego - DCA Washington, D.C. Reagan-National
SANDCA
San Diego
Fri 2/12
10:10 pm-10:24 am
1 stop9h 14m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$239
San DiegoWashington, D.C.
SAN San Diego - DCA Washington, D.C. Reagan-National
SANDCA
San Diego
Fri 1/1
6:15 am-9:55 pm
2 stops12h 40m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$250
San DiegoWashington, D.C.
SAN San Diego - DCA Washington, D.C. Reagan-National
SANDCA
San Diego
Tue 11/10
6:45 am-8:57 pm
2 stops11h 12m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$259
Quickest round-trip
San DiegoWashington, D.C.
SAN San Diego - DCA Washington, D.C. Reagan-National
SANDCA
San Diego
Sun 11/1
12:58 pm-9:00 pm
Nonstop5h 02m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$264
San DiegoWashington, D.C.
SAN San Diego - DCA Washington, D.C. Reagan-National
SANDCA
San Diego
Wed 1/13
7:11 am-9:59 pm
2 stops11h 48m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$267
San DiegoWashington, D.C.
SAN San Diego - DCA Washington, D.C. Reagan-National
SANDCA
San Diego
Fri 3/26
10:40 pm-8:20 am
1 stop6h 40m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$269
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from San Diego to Reagan-National
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 Reagan-National in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Diego-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-Washington, D.C. Reagan-National Airport 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-Washington, D.C. Reagan-National Airport 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 Reagan-National
Have a flexible travel schedule? Discover the best time to fly to Reagan-National from San Diego with our price prediction graph.
SAN-DCA
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 Washington, D.C. Reagan-National Airport
Prices
Airlines
Delays
How far ahead should I book a flight from San Diego to Washington, D.C. Reagan-National Airport?
The price you pay for your flight from San Diego to Washington, D.C. Reagan-National Airport may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Diego to Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from San Diego to Washington, D.C. Reagan-National Airport (average of $296). Flying from San Diego to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of $522). 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 DCA?
Find hourly flight availability from San Diego to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 12, 2026.
When flying from San Diego to Washington, D.C. Reagan-National Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from San Diego to Washington, D.C. delayed?
About 25% of weekly flights between San Diego and Washington, D.C. have experienced delays in the past year, with the average delay time being 171 minutes.
What is the most punctual flight time for San Diego to Washington, D.C. flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Diego to Washington, D.C. flights?
Over the last year, Alaska Airlines have had the lowest number of delays on this route, with just 25% of flights being delayed.
Reviews of airlines servicing Reagan-National
Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated October 12, 2026.
Read reviews from past customers who have flown Alaska Airlines,Southwest, andDelta from San Diego to Washington, D.C. Reagan-National Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Food
7.0
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Food
7.0
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Food
7.0
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Food
7.0
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Food
7.0
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Boarding
8.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Food
7.0
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Related info for your journey
Find useful and relevant information for your journey from San Diego to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Reagan-National Airport?
Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locationsAlexandria
Arlington
Woodbridge
Owings Mills
Lanham
Tysons
Herndon
Reston
Hyattsville
Rockville
Springfield
Fredericksburg
Falls Church
Oxon Hill
Laurel
Towson
Clinton
Hunt Valley
Waldorf
Silver Spring
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San Diego and Reagan-National flights
Browse other San Diego and Reagan-National flight options. Last updated on October 12, 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 October 12, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Other flights to Reagan-National
Explore flights to Reagan-National departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 12, 2026.
Top 7 airlines flying from San Diego to Reagan-National
Discover the top 7 airlines that operate flights from San Diego to Reagan-National. 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 7,457,451 searches. Data last updated October 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$130 | Average$282 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$197 | Average$287 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$237 | Average$431 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$252 | Average$395 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$276 | Average$437 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$290 | Average$522 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$306 | Average$416 | FlexibilityNo cancel fee | On-timeN/A |