$198+ Cheap flights from Dulles Intl (IAD) to Cabo San Lucas, Mexico
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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SJD
May 9 — May 161
Round-trip
1 adult, Economy
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Cheapest flights from Dulles Intl to Cabo San LucasExplore the most affordable flight options available from Dulles Intl to Cabo San Lucas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 9, 2026.
Explore the most affordable flight options available from Dulles Intl to Cabo San Lucas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 9, 2026.
This Aeromexico deal was found by Cheapflights users on 4/6. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/64:55 pm
IAD
- SJD
1 stop19h 26m
Aeromexico
Sat 6/136:31 pm
SJD
- IAD
1 stop17h 52m
Aeromexico
Deal found 4/6![Aeromexico logo]()
$476
This Aeromexico deal was found by Cheapflights users on 4/6. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:06 am
IAD
- SJD
1 stop7h 25m
Aeromexico
Fri 5/86:44 pm
SJD
- IAD
1 stop17h 30m
Aeromexico
Deal found 4/6![Aeromexico logo]()
$480
This Delta deal was found by Cheapflights users on 4/4. 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 8/145:09 pm
IAD
- SJD
1 stop19h 16m
Delta
Mon 8/2412:40 pm
SJD
- IAD
1 stop8h 11m
Delta
Deal found 4/4![Delta logo]()
$486
This Delta deal was found by Cheapflights users on 4/7. 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 9/261:00 pm
IAD
- SJD
2 stops12h 28m
Delta
Thu 10/16:04 am
SJD
- IAD
2 stops15h 06m
Delta
Deal found 4/7![Delta logo]()
$490
This American Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/118:22 pm
IAD
- SJD
1 stop17h 16m
American Airlines
Sat 6/2012:06 pm
SJD
- IAD
2 stops17h 44m
American Airlines
Deal found 4/6![American Airlines logo]()
$495
This Aeromexico deal was found by Cheapflights users on 4/8. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:46 pm
IAD
- SJD
1 stop19h 40m
Aeromexico
Wed 8/127:00 pm
SJD
- IAD
1 stop17h 17m
Aeromexico
Deal found 4/8![Aeromexico logo]()
$496
This Aeromexico deal was found by Cheapflights users on 4/8. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:00 pm
IAD
- SJD
1 stop19h 01m
Aeromexico
Mon 5/116:44 pm
SJD
- IAD
1 stop17h 30m
Aeromexico
Deal found 4/8![Aeromexico logo]()
$497
This American Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:24 am
IAD
- SJD
1 stop8h 16m
American Airlines
Tue 9/2911:58 am
SJD
- IAD
1 stop7h 49m
American Airlines
Deal found 4/7![American Airlines logo]()
$498
This Aeromexico deal was found by Cheapflights users on 4/8. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:05 am
IAD
- SJD
2 stops28h 26m
Aeromexico
Thu 8/137:00 pm
SJD
- IAD
1 stop17h 17m
Aeromexico
Deal found 4/8![Aeromexico logo]()
$500
This American Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:24 am
IAD
- SJD
1 stop9h 53m
American Airlines
Tue 10/272:25 pm
SJD
- IAD
1 stop24h 29m
American Airlines
Deal found 4/6![American Airlines logo]()
$501
This American Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:22 pm
IAD
- SJD
2 stops18h 26m
American Airlines
Tue 6/910:55 am
SJD
- IAD
2 stops18h 55m
American Airlines
Deal found 4/8![American Airlines logo]()
$505
This Delta deal was found by Cheapflights users on 4/8. 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.
Mon 8/105:09 pm
IAD
- SJD
1 stop19h 16m
Delta
Tue 8/1812:27 pm
SJD
- IAD
1 stop8h 43m
Delta
Deal found 4/8![Delta logo]()
$506
Best flights from Dulles Intl to Cabo San LucasDiscover carefully curated flight deals from Dulles Intl to Cabo San Lucas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 9, 2026.
Discover carefully curated flight deals from Dulles Intl to Cabo San Lucas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 9, 2026.
This Delta deal was found by Cheapflights users on 4/6. 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.
Sat 9/2612:30 pm
IAD
- SJD
2 stops12h 58m
Delta
Tue 9/296:04 am
SJD
- IAD
2 stops15h 06m
Delta
Deal found 4/6![Delta logo]()
$490
This United Airlines deal was found by Cheapflights users on 4/4. 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.
Sat 8/156:30 am
IAD
- SJD
1 stop9h 18m
United Airlines
Sat 8/221:44 pm
SJD
- IAD
1 stop7h 45m
United Airlines
Deal found 4/4![United Airlines logo]()
$490
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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.
Tue 6/27:37 pm
IAD
- SJD
1 stop23h 59m
Alaska Airlines
Thu 8/132:02 pm
SJD
- IAD
1 stop25h 43m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$584
This Southwest deal was found by Cheapflights users on 4/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:55 am
IAD
- SJD
2 stops10h 30m
Southwest
Sat 4/2511:40 am
SJD
- IAD
1 stop8h 15m
Southwest
Deal found 4/5![Southwest logo]()
$653
This United Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:30 am
IAD
- SJD
1 stop7h 00m
United Airlines
Mon 6/82:50 pm
SJD
- IAD
1 stop11h 37m
United Airlines
Deal found 4/6![United Airlines logo]()
$510
This Delta deal was found by Cheapflights users on 4/5. 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.
Fri 9/116:00 am
IAD
- SJD
2 stops14h 41m
Delta
Mon 9/1412:40 pm
SJD
- IAD
1 stop8h 11m
Delta
Deal found 4/5![Delta logo]()
$534
This Delta deal was found by Cheapflights users on 4/8. 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.
Fri 5/86:00 am
IAD
- SJD
2 stops14h 48m
Delta
Fri 5/1512:35 pm
SJD
- IAD
1 stop9h 16m
Delta
Deal found 4/8![Delta logo]()
$544
This United Airlines deal was found by Cheapflights users on 4/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:30 am
IAD
- SJD
1 stop9h 18m
United Airlines
Sat 6/2711:52 am
SJD
- IAD
1 stop9h 53m
United Airlines
Deal found 4/8![United Airlines logo]()
$636
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:15 am
IAD
- SJD
1 stop8h 10m
United Airlines
Sat 4/2511:32 am
SJD
- IAD
1 stop9h 27m
United Airlines
Deal found 4/5![United Airlines logo]()
$648
This Delta deal was found by Cheapflights users on 4/5. 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.
Wed 9/236:15 am
IAD
- SJD
2 stops14h 26m
Delta
Mon 9/2812:40 pm
SJD
- IAD
1 stop8h 11m
Delta
Deal found 4/5![Delta logo]()
$656
This Delta deal was found by Cheapflights users on 4/4. 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 8/151:00 pm
IAD
- SJD
2 stops12h 30m
Delta
Sat 8/2212:40 pm
SJD
- IAD
1 stop8h 11m
Delta
Deal found 4/4![Delta logo]()
$656
This Delta deal was found by Cheapflights users on 4/7. 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.
Mon 4/206:00 am
IAD
- SJD
2 stops14h 49m
Delta
Sat 4/2512:36 pm
SJD
- IAD
1 stop8h 51m
Delta
Deal found 4/7![Delta logo]()
$668
Last-minute flights from Dulles Intl to Cabo San LucasDiscover last-minute flight deals from Dulles Intl to Cabo San Lucas. Data last updated April 9, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Cabo San Lucas. Data last updated April 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/5. 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.
Sun 4/265:00 pm
IAD
- SJD
1 stop19h 01m
Delta
Tue 5/510:24 am
SJD
- IAD
2 stops11h 18m
Delta
Deal found 4/5![Delta logo]()
$486
This Aeromexico deal was found by Cheapflights users on 4/6. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:00 pm
IAD
- SJD
1 stop19h 01m
Aeromexico
Fri 5/86:44 pm
SJD
- IAD
1 stop17h 30m
Aeromexico
Deal found 4/6![Aeromexico logo]()
$476
This Aeromexico deal was found by Cheapflights users on 4/8. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:00 pm
IAD
- SJD
1 stop19h 01m
Aeromexico
Mon 5/116:44 pm
SJD
- IAD
1 stop17h 30m
Aeromexico
Deal found 4/8![Aeromexico logo]()
$497
This Aeromexico deal was found by Cheapflights users on 4/6. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:06 am
IAD
- SJD
1 stop7h 25m
Aeromexico
Fri 5/86:44 pm
SJD
- IAD
1 stop17h 30m
Aeromexico
Deal found 4/6![Aeromexico logo]()
$480
This Delta deal was found by Cheapflights users on 4/7. 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.
Wed 5/612:37 pm
IAD
- SJD
2 stops12h 41m
Delta
Sat 5/96:07 am
SJD
- IAD
2 stops15h 44m
Delta
Deal found 4/7![Delta logo]()
$510
This Delta deal was found by Cheapflights users on 4/7. 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 5/910:53 am
IAD
- SJD
2 stops14h 25m
Delta
Sat 5/166:07 am
SJD
- IAD
2 stops15h 44m
Delta
Deal found 4/7![Delta logo]()
$490
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1510:30 pm
IAD
- SJD
1 stop15h 55m
United Airlines
Mon 5/181:44 pm
SJD
- IAD
1 stop7h 15m
United Airlines
Deal found 4/5![United Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:22 pm
IAD
- SJD
2 stops16h 33m
American Airlines
Thu 6/112:10 pm
SJD
- IAD
1 stop17h 59m
American Airlines
Deal found 4/6![American Airlines logo]()
$495
This Aeromexico deal was found by Cheapflights users on 4/8. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:46 pm
IAD
- SJD
1 stop19h 40m
Aeromexico
Wed 8/127:00 pm
SJD
- IAD
1 stop17h 17m
Aeromexico
Deal found 4/8![Aeromexico logo]()
$496
This Delta deal was found by Cheapflights users on 4/8. 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.
Fri 5/294:46 pm
IAD
- SJD
1 stop19h 40m
Delta
Thu 8/1312:40 pm
SJD
- IAD
1 stop8h 11m
Delta
Deal found 4/8![Delta logo]()
$506
This Aeromexico deal was found by Cheapflights users on 4/8. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:05 am
IAD
- SJD
2 stops28h 26m
Aeromexico
Thu 8/137:00 pm
SJD
- IAD
1 stop17h 17m
Aeromexico
Deal found 4/8![Aeromexico logo]()
$500
This American Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/318:22 pm
IAD
- SJD
2 stops17h 51m
American Airlines
Tue 8/1110:48 am
SJD
- IAD
2 stops18h 54m
American Airlines
Deal found 4/8![American Airlines logo]()
$505
One-way flights from Dulles Intl to Cabo San LucasSearch for one-way flight options from Dulles Intl to Cabo San Lucas. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
Search for one-way flight options from Dulles Intl to Cabo San Lucas. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/95:30 pm
IAD
- SJD
3 stops44h 59m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1011:12 am
IAD
- SJD
3 stops27h 17m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$209
This Delta deal was found by Cheapflights users on 4/5. 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.
Sun 6/74:55 pm
IAD
- SJD
1 stop18h 56m
Delta
Deal found 4/5![Delta logo]()
$219
This American Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:25 am
IAD
- SJD
2 stops10h 34m
American Airlines
Deal found 4/6![American Airlines logo]()
$223
This American Airlines deal was found by Cheapflights users on 4/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/108:22 pm
IAD
- SJD
2 stops14h 40m
American Airlines
Deal found 4/5![American Airlines logo]()
$228
This United Airlines deal was found by Cheapflights users on 4/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:21 pm
IAD
- SJD
1 stop16h 39m
United Airlines
Deal found 4/7![United Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:47 pm
IAD
- SJD
3 stops38h 29m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 6/45:30 pm
IAD
- SJD
3 stops46h 00m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$260
This American Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:22 pm
IAD
- SJD
2 stops14h 40m
American Airlines
Deal found 4/7![American Airlines logo]()
$268
This American Airlines deal was found by Cheapflights users on 4/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/138:22 pm
IAD
- SJD
1 stop17h 16m
American Airlines
Deal found 4/5![American Airlines logo]()
$271
This American Airlines deal was found by Cheapflights users on 4/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/129:20 am
IAD
- SJD
2 stops27h 35m
American Airlines
Deal found 4/5![American Airlines logo]()
$277
Find flight deals from Dulles Intl to Cabo San Lucas
Keep the following information in mind while searching for Dulles Intl to Cabo San Lucas flight deals. Data was last updated April 9, 2026.
Round-trip from | $476 (Aeromexico) |
|---|---|
One-way from | $198 (Kiwi.com) |
Popular in | June |
Cheapest in | July |
Average price | $577 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Cabo San Lucas 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 April 9, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Cabo San Lucas 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
Sat 9/26
12:30 pm-10:28 pm
2 stops12h 58m
San José del Cabo Los Cabos
Tue 9/29
6:04 am-12:10 am
2 stops15h 06m
$490
Quickest round-trip
Washington, D.C.San José del Cabo
IAD - SJD
IADSJD
Washington, D.C. Dulles Intl
Sat 8/15
6:30 am-12:48 pm
1 stop9h 18m
San José del Cabo Los Cabos
Sat 8/22
1:44 pm-12:29 am
1 stop7h 45m
$490
Washington, D.C.San José del Cabo
IAD - SJD
IADSJD
Washington, D.C. Dulles Intl
Mon 6/1
6:30 am-10:30 am
1 stop7h 00m
San José del Cabo Los Cabos
Mon 6/8
2:50 pm-5:27 am
1 stop11h 37m
$510
Washington, D.C.San José del Cabo
IAD - SJD
IADSJD
Washington, D.C. Dulles Intl
Fri 9/11
6:00 am-5:41 pm
2 stops14h 41m
San José del Cabo Los Cabos
Mon 9/14
12:40 pm-11:51 pm
1 stop8h 11m
$534
Washington, D.C.San José del Cabo
IAD - SJD
IADSJD
Washington, D.C. Dulles Intl
Fri 5/8
6:00 am-5:48 pm
2 stops14h 48m
San José del Cabo Los Cabos
Fri 5/15
12:35 pm-12:51 am
1 stop9h 16m
$544
Washington, D.C.San José del Cabo
IAD - SJD
IADSJD
Washington, D.C. Dulles Intl
Tue 6/2
7:37 pm-4:36 pm
1 stop23h 59m
San José del Cabo Los Cabos
Thu 8/13
2:02 pm-6:45 pm
1 stop25h 43m
$584
Washington, D.C.San José del Cabo
IAD - SJD
IADSJD
Washington, D.C. Dulles Intl
Wed 6/24
6:30 am-12:48 pm
1 stop9h 18m
San José del Cabo Los Cabos
Sat 6/27
11:52 am-12:45 am
1 stop9h 53m
$636
Washington, D.C.San José del Cabo
IAD - SJD
IADSJD
Washington, D.C. Dulles Intl
Mon 4/20
6:15 am-11:25 am
1 stop8h 10m
San José del Cabo Los Cabos
Sat 4/25
11:32 am-11:59 pm
1 stop9h 27m
$648
Washington, D.C.San José del Cabo
IAD - SJD
IADSJD
Washington, D.C. Dulles Intl
Mon 4/20
5:55 am-1:25 pm
2 stops10h 30m
San José del Cabo Los Cabos
Sat 4/25
11:40 am-10:55 pm
1 stop8h 15m
$653
Washington, D.C.San José del Cabo
IAD - SJD
IADSJD
Washington, D.C. Dulles Intl
Wed 9/23
6:15 am-5:41 pm
2 stops14h 26m
San José del Cabo Los Cabos
Mon 9/28
12:40 pm-11:51 pm
1 stop8h 11m
$656
Showing 1-10 of 24 resultsSorted by cheapest first
Best time to book a flight from Dulles Intl to Cabo San Lucas
Have a flexible travel schedule? Discover the best time to fly to Cabo San Lucas 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 Cabo San Lucas
IAD-C4B
IAD-SJD
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Cabo San Lucas?
Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Cabo San Lucas. Price data was last updated on April 3, 2026.
The best time to book flights from Washington, D.C. Dulles Intl Airport to Cabo San Lucas is 47 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 Washington, D.C. Dulles Intl Airport to Cabo San Lucas?
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cabo San Lucas (average of $192). Flying from Washington, D.C. Dulles Intl Airport to Cabo San Lucas in March is currently the most expensive (average of $433). 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 much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Cabo San Lucas?
Reviews of airlines servicing Cabo San Lucas
Get insights into the airlines that provide service to Cabo San Lucas. 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 Cabo San Lucas. Reviews last updated April 9, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Cabo San Lucas, such as Delta,United Airlines, andAeromexico. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Boarding
8.1
Comfort
7.9
Food
7.2
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Cabo San Lucas. 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 Cabo San Lucas
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Complete your trip
Complete your trip to Cabo San Lucas by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Dulles Intl to Cabo San Lucas by cabin class
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Dulles Intl and Cabo San Lucas flights
Browse other Dulles Intl and Cabo San Lucas flight options. Last updated on April 9, 2026.
Other flights from Dulles Intl
Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on April 9, 2026.
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Dulles Intl to Cabo San Lucas flights
Consider these flights traveling from Dulles Intl to Cabo San Lucas.
Top 4 airlines flying from Dulles Intl to Cabo San Lucas
Discover the top 4 airlines that operate flights from Dulles Intl to Cabo San Lucas. 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 April 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$161 | Average$512 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$196 | Average$437 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$393 | Average$539 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$396 | Average$535 | FlexibilityNo cancel fee | On-time69% |