$227+ Cheap flights from Dulles Intl (IAD) to Los Cabos
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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SJD
Jul 10 — Jul 171
Round-trip
1 adult, Economy
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Cheapest flights from Dulles Intl to Los CabosExplore the most affordable flight options available from Dulles Intl to Los Cabos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
Explore the most affordable flight options available from Dulles Intl to Los Cabos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
This Aeromexico deal was found by Cheapflights users on 6/10. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/114:50 pm
IAD
- SJD
1 stop18h 45m
Aeromexico
Wed 7/157:32 pm
SJD
- IAD
1 stop16h 48m
Aeromexico
Deal found 6/10![Aeromexico logo]()
$507
This Aeromexico deal was found by Cheapflights users on 6/10. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:31 pm
IAD
- SJD
2 stops12h 56m
Aeromexico
Tue 9/296:17 pm
SJD
- IAD
1 stop18h 02m
Aeromexico
Deal found 6/10![Aeromexico logo]()
$512
This Delta deal was found by Cheapflights users on 6/8. 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 7/84:50 pm
IAD
- SJD
1 stop18h 40m
Delta
Sat 7/111:45 pm
SJD
- IAD
1 stop16h 41m
Delta
Deal found 6/8![Delta logo]()
$517
This Delta deal was found by Cheapflights users on 6/8. 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.
Sat 9/268:00 am
IAD
- SJD
2 stops13h 33m
Delta
Thu 10/16:15 am
SJD
- IAD
2 stops15h 17m
Delta
Deal found 6/8![Delta logo]()
$522
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:00 am
IAD
- SJD
2 stops15h 35m
Delta
Wed 7/152:25 pm
SJD
- IAD
2 stops16h 01m
Delta
Deal found 6/7![Delta logo]()
$526
This Aeromexico deal was found by Cheapflights users on 6/9. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/244:50 pm
IAD
- SJD
1 stop8h 40m
Aeromexico
Tue 7/287:42 pm
SJD
- IAD
1 stop16h 38m
Aeromexico
Deal found 6/9![Aeromexico logo]()
$541
This Aeromexico deal was found by Cheapflights users on 6/9. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/43:03 pm
IAD
- SJD
2 stops20h 24m
Aeromexico
Mon 9/76:17 pm
SJD
- IAD
1 stop18h 02m
Aeromexico
Deal found 6/9![Aeromexico logo]()
$546
This Aeromexico deal was found by Cheapflights users on 6/10. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/303:15 pm
IAD
- SJD
1 stop9h 15m
Aeromexico
Sat 12/126:30 pm
SJD
- IAD
2 stops20h 06m
Aeromexico
Deal found 6/10![Aeromexico logo]()
$551
This Delta deal was found by Cheapflights users on 6/5. 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 7/115:28 pm
IAD
- SJD
2 stops18h 07m
Delta
Wed 7/1512:16 pm
SJD
- IAD
1 stop9h 25m
Delta
Deal found 6/5![Delta logo]()
$556
This Delta deal was found by Cheapflights users on 6/8. 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 7/296:00 am
IAD
- SJD
1 stop8h 11m
Delta
Tue 8/42:24 pm
SJD
- IAD
2 stops23h 14m
Delta
Deal found 6/8![Delta logo]()
$560
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/84:53 pm
IAD
- SJD
1 stop8h 34m
Delta
Tue 10/1311:57 am
SJD
- IAD
1 stop9h 23m
Delta
Deal found 6/6![Delta logo]()
$585
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/244:50 pm
IAD
- SJD
1 stop8h 40m
Delta
Tue 7/281:25 pm
SJD
- IAD
2 stops17h 01m
Delta
Deal found 6/7![Delta logo]()
$590
Best flights from Dulles Intl to Los CabosDiscover carefully curated flight deals from Dulles Intl to Los Cabos that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
Discover carefully curated flight deals from Dulles Intl to Los Cabos that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
This Delta deal was found by Cheapflights users on 6/9. 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.
Wed 9/234:53 pm
IAD
- SJD
1 stop8h 34m
Delta
Mon 9/289:14 am
SJD
- IAD
2 stops12h 18m
Delta
Deal found 6/9![Delta logo]()
$517
This Delta deal was found by Cheapflights users on 6/9. 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.
Sat 8/226:00 am
IAD
- SJD
2 stops10h 25m
Delta
Sat 8/296:15 am
SJD
- IAD
2 stops15h 19m
Delta
Deal found 6/9![Delta logo]()
$522
This Delta deal was found by Cheapflights users on 6/8. 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 7/286:00 am
IAD
- SJD
2 stops15h 50m
Delta
Sat 8/11:45 pm
SJD
- IAD
1 stop7h 56m
Delta
Deal found 6/8![Delta logo]()
$522
This Delta deal was found by Cheapflights users on 6/8. 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.
Sun 7/264:50 pm
IAD
- SJD
1 stop8h 40m
Delta
Mon 8/312:12 pm
SJD
- IAD
1 stop9h 22m
Delta
Deal found 6/8![Delta logo]()
$602
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am
IAD
- SJD
1 stop9h 50m
Delta
Fri 11/610:25 am
SJD
- IAD
2 stops11h 55m
Delta
Deal found 6/7![Delta logo]()
$607
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:00 am
IAD
- SJD
2 stops13h 51m
Delta
Sat 11/1410:35 am
SJD
- IAD
2 stops11h 45m
Delta
Deal found 6/6![Delta logo]()
$607
This Delta deal was found by Cheapflights users on 6/8. 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.
Thu 10/14:53 pm
IAD
- SJD
1 stop8h 34m
Delta
Mon 10/59:14 am
SJD
- IAD
2 stops12h 18m
Delta
Deal found 6/8![Delta logo]()
$673
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:00 am
IAD
- SJD
1 stop8h 11m
Delta
Wed 7/1512:16 pm
SJD
- IAD
1 stop9h 25m
Delta
Deal found 6/7![Delta logo]()
$678
This Delta deal was found by Cheapflights users on 6/5. 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.
Thu 8/64:50 pm
IAD
- SJD
1 stop8h 40m
Delta
Mon 8/102:24 pm
SJD
- IAD
2 stops15h 56m
Delta
Deal found 6/5![Delta logo]()
$678
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:00 am
IAD
- SJD
1 stop8h 11m
Delta
Thu 7/161:25 pm
SJD
- IAD
2 stops17h 01m
Delta
Deal found 6/7![Delta logo]()
$682
Last-minute flights from Dulles Intl to Los CabosDiscover last-minute flight deals from Dulles Intl to Los Cabos. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Los Cabos. Data last updated June 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/9. 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 6/284:50 pm
IAD
- SJD
1 stop18h 45m
Delta
Sat 7/111:45 pm
SJD
- IAD
1 stop16h 41m
Delta
Deal found 6/9![Delta logo]()
$606
This Delta deal was found by Cheapflights users on 6/8. 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 7/84:50 pm
IAD
- SJD
1 stop18h 40m
Delta
Sat 7/111:45 pm
SJD
- IAD
1 stop16h 41m
Delta
Deal found 6/8![Delta logo]()
$517
This Delta deal was found by Cheapflights users on 6/8. 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 7/84:50 pm
IAD
- SJD
1 stop18h 40m
Delta
Wed 7/151:25 pm
SJD
- IAD
2 stops18h 21m
Delta
Deal found 6/8![Delta logo]()
$522
This Aeromexico deal was found by Cheapflights users on 6/7. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:00 am
IAD
- SJD
2 stops12h 37m
Aeromexico
Wed 7/157:32 pm
SJD
- IAD
1 stop16h 48m
Aeromexico
Deal found 6/7![Aeromexico logo]()
$512
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:00 am
IAD
- SJD
2 stops15h 35m
Delta
Wed 7/152:25 pm
SJD
- IAD
2 stops16h 01m
Delta
Deal found 6/7![Delta logo]()
$526
This Aeromexico deal was found by Cheapflights users on 6/10. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/114:50 pm
IAD
- SJD
1 stop18h 45m
Aeromexico
Wed 7/157:32 pm
SJD
- IAD
1 stop16h 48m
Aeromexico
Deal found 6/10![Aeromexico logo]()
$507
This Delta deal was found by Cheapflights users on 6/5. 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 7/115:28 pm
IAD
- SJD
2 stops18h 07m
Delta
Fri 7/1712:16 pm
SJD
- IAD
1 stop9h 25m
Delta
Deal found 6/5![Delta logo]()
$556
This Aeromexico deal was found by Cheapflights users on 6/9. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/244:50 pm
IAD
- SJD
1 stop8h 40m
Aeromexico
Tue 7/287:42 pm
SJD
- IAD
1 stop16h 38m
Aeromexico
Deal found 6/9![Aeromexico logo]()
$541
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/244:50 pm
IAD
- SJD
1 stop8h 40m
Delta
Wed 7/2912:16 pm
SJD
- IAD
1 stop9h 25m
Delta
Deal found 6/10![Delta logo]()
$551
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/244:50 pm
IAD
- SJD
1 stop8h 40m
Delta
Tue 7/281:25 pm
SJD
- IAD
2 stops17h 01m
Delta
Deal found 6/7![Delta logo]()
$590
This Delta deal was found by Cheapflights users on 6/8. 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.
Sun 7/264:50 pm
IAD
- SJD
1 stop8h 40m
Delta
Mon 8/312:12 pm
SJD
- IAD
1 stop9h 22m
Delta
Deal found 6/8![Delta logo]()
$602
This Delta deal was found by Cheapflights users on 6/8. 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 7/298:27 am
IAD
- SJD
2 stops13h 13m
Delta
Mon 8/31:12 pm
SJD
- IAD
2 stops18h 36m
Delta
Deal found 6/8![Delta logo]()
$560
One-way flights from Dulles Intl to Los CabosSearch for one-way flight options from Dulles Intl to Los Cabos. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
Search for one-way flight options from Dulles Intl to Los Cabos. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Wed 9/27:27 pm
IAD
- SJD
3 stops40h 05m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:30 am
IAD
- SJD
2 stops36h 35m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$232
This Delta deal was found by Cheapflights users on 6/8. 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 7/284:50 pm
IAD
- SJD
1 stop8h 40m
Delta
Deal found 6/8![Delta logo]()
$235
This Delta deal was found by Cheapflights users on 6/9. 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.
Tue 8/116:00 am
IAD
- SJD
2 stops12h 31m
Delta
Deal found 6/9![Delta logo]()
$239
This Delta deal was found by Cheapflights users on 6/9. 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.
Mon 8/107:26 pm
IAD
- SJD
2 stops20h 53m
Delta
Deal found 6/9![Delta logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Fri 7/311:17 am
IAD
- SJD
3 stops27h 12m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:22 pm
IAD
- SJD
3 stops42h 47m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Mon 7/66:09 pm
IAD
- SJD
3 stops45h 16m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$296
This Booking.com deal was found by Cheapflights users on 6/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:35 pm
IAD
- SJD
2 stops41h 36m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 9/38:47 pm
IAD
- SJD
3 stops42h 39m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Fri 6/199:02 pm
IAD
- SJD
3 stops44h 49m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$304
Find flight deals from Dulles Intl to Los Cabos
Keep the following information in mind while searching for Dulles Intl to Los Cabos flight deals. Data was last updated June 10, 2026.
Round-trip from | $507 (Aeromexico) |
|---|---|
One-way from | $227 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $659 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Los Cabos 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 June 10, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Los Cabos that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.San José del Cabo
IAD - SJD
IADSJD
Washington, D.C. Dulles Intl
Wed 9/23
4:53 pm-10:27 pm
1 stop8h 34m
San José del Cabo Los Cabos
Mon 9/28
9:14 am-12:32 am
2 stops12h 18m
$517
Washington, D.C.San José del Cabo
IAD - SJD
IADSJD
Washington, D.C. Dulles Intl
Sat 8/22
6:00 am-1:25 pm
2 stops10h 25m
San José del Cabo Los Cabos
Sat 8/29
6:15 am-12:34 am
2 stops15h 19m
$522
Washington, D.C.San José del Cabo
IAD - SJD
IADSJD
Washington, D.C. Dulles Intl
Tue 7/28
6:00 am-6:50 pm
2 stops15h 50m
San José del Cabo Los Cabos
Sat 8/1
1:45 pm-12:41 am
1 stop7h 56m
$522
Washington, D.C.San José del Cabo
IAD - SJD
IADSJD
Washington, D.C. Dulles Intl
Sun 7/26
4:50 pm-10:30 pm
1 stop8h 40m
San José del Cabo Los Cabos
Mon 8/3
12:12 pm-12:34 am
1 stop9h 22m
$602
Washington, D.C.San José del Cabo
IAD - SJD
IADSJD
Washington, D.C. Dulles Intl
Sat 10/31
6:00 am-12:50 pm
1 stop9h 50m
San José del Cabo Los Cabos
Fri 11/6
10:25 am-12:20 am
2 stops11h 55m
$607
Washington, D.C.San José del Cabo
IAD - SJD
IADSJD
Washington, D.C. Dulles Intl
Sun 11/8
6:00 am-5:51 pm
2 stops13h 51m
San José del Cabo Los Cabos
Sat 11/14
10:35 am-12:20 am
2 stops11h 45m
$607
Washington, D.C.San José del Cabo
IAD - SJD
IADSJD
Washington, D.C. Dulles Intl
Thu 10/1
4:53 pm-10:27 pm
1 stop8h 34m
San José del Cabo Los Cabos
Mon 10/5
9:14 am-12:32 am
2 stops12h 18m
$673
Quickest round-trip
Washington, D.C.San José del Cabo
IAD - SJD
IADSJD
Washington, D.C. Dulles Intl
Sat 7/11
6:00 am-11:11 am
1 stop8h 11m
San José del Cabo Los Cabos
Wed 7/15
12:16 pm-12:41 am
1 stop9h 25m
$678
Washington, D.C.San José del Cabo
IAD - SJD
IADSJD
Washington, D.C. Dulles Intl
Thu 8/6
4:50 pm-10:30 pm
1 stop8h 40m
San José del Cabo Los Cabos
Mon 8/10
2:24 pm-9:20 am
2 stops15h 56m
$678
Washington, D.C.San José del Cabo
IAD - SJD
IADSJD
Washington, D.C. Dulles Intl
Sat 7/11
6:00 am-11:11 am
1 stop8h 11m
San José del Cabo Los Cabos
Thu 7/16
1:25 pm-9:26 am
2 stops17h 01m
$682
Showing 1-10 of 18 resultsSorted by cheapest first
Best time to book a flight from Dulles Intl to Los Cabos
Have a flexible travel schedule? Discover the best time to fly to Los Cabos from Dulles Intl with our price prediction graph.
IAD-SJD
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 Washington, D.C. Dulles Intl Airport to Los Cabos
IAD-zzKPG
IAD-SJD
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Los Cabos?
Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Los Cabos (average of $161). Flying from Washington, D.C. Dulles Intl Airport to Los Cabos in May is currently the most expensive (average of $430). 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.
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Los Cabos?
To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Los Cabos, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Los Cabos
Get insights into the airlines that provide service to Los Cabos. 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 Los Cabos. Reviews last updated June 10, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAeromexico from Washington, D.C. Dulles Intl Airport to Los Cabos by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Los Cabos. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Dulles Intl to Los Cabos
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Complete your trip
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Search flights from Dulles Intl to Los Cabos by cabin class
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Dulles Intl and Los Cabos flights
Browse other Dulles Intl and Los Cabos flight options. Last updated on June 10, 2026.
Popular flight searches
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Top 4 airlines flying from Dulles Intl to Los Cabos
Discover the top 4 airlines that operate flights from Dulles Intl to Los Cabos. 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 June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$161 | Average$512 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$196 | Average$444 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$393 | Average$556 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$396 | Average$551 | FlexibilityNo cancel fee | On-time69% |