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Los Cabos

$164+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SJD
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
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Find flight deals from Dulles Intl to Los Cabos

Cheapest flights from Dulles Intl to Los Cabos
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 November 17, 2025.

This American Airlines deal was found by Cheapflights users on 11/15. 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 12/172:16 pmIAD - SJD
2 stops22h 06mAmerican Airlines
Sun 12/215:24 pmSJD - IAD
2 stops18h 03mAmerican Airlines
Deal found 11/15$408
This Delta deal was found by Cheapflights users on 11/17. 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 12/176:00 amIAD - SJD
1 stop8h 10mDelta
Mon 12/221:05 pmSJD - IAD
1 stop8h 03mDelta
Deal found 11/17$421
This American Airlines deal was found by Cheapflights users on 11/17. 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 12/148:05 pmIAD - SJD
2 stops18h 34mAmerican Airlines
Sun 12/215:24 pmSJD - IAD
2 stops18h 03mAmerican Airlines
Deal found 11/17$426
This United Airlines deal was found by Cheapflights users on 11/15. 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.
Thu 11/278:25 amIAD - SJD
1 stop8h 17mUnited Airlines
Tue 12/24:10 pmSJD - IAD
1 stop12h 45mUnited Airlines
Deal found 11/15$428
This American Airlines deal was found by Cheapflights users on 11/15. 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 11/276:34 amIAD - SJD
2 stops31h 48mAmerican Airlines
Tue 12/21:40 pmSJD - IAD
2 stops18h 40mAmerican Airlines
Deal found 11/15$446
This Alaska Airlines deal was found by Cheapflights users on 11/16. 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 12/65:37 pmIAD - SJD
1 stop24h 54mAlaska Airlines
Sat 12/134:43 pmSJD - IAD
2 stops22h 47mAlaska Airlines
Deal found 11/16$458
This United Airlines deal was found by Cheapflights users on 11/15. 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 12/246:20 amIAD - SJD
1 stop8h 50mUnited Airlines
Wed 12/3112:50 pmSJD - IAD
1 stop9h 25mUnited Airlines
Deal found 11/15$479
This American Airlines deal was found by Cheapflights users on 11/16. 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 12/186:05 amIAD - SJD
1 stop9h 26mAmerican Airlines
Mon 12/2211:22 amSJD - IAD
2 stops19h 20mAmerican Airlines
Deal found 11/16$483
This Aeromexico deal was found by Cheapflights users on 11/16. 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 11/176:00 amIAD - SJD
1 stop8h 10mAeromexico
Mon 11/247:00 pmSJD - IAD
1 stop17h 02mAeromexico
Deal found 11/16$489
This United Airlines deal was found by Cheapflights users on 11/16. 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 12/2410:15 pmIAD - SJD
1 stop13h 50mUnited Airlines
Sun 12/283:46 pmSJD - IAD
1 stop11h 33mUnited Airlines
Deal found 11/16$494

Cheap 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 November 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$405
(American Airlines)

One-way from

$164
(Aeromexico)

Popular in

November

Cheapest in

September

Average price

$740
Provider with most accurate pricing for Washington, D.C. (WAS)-San José del Cabo Los Cabos flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San José del Cabo Los Cabos flights.
Search Deals
From Washington, D.C. Dulles Intl to Los Cabos
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Los Cabos
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 17, 2025.
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

Dulles Intl

Fly to

Los Cabos

Route

Depart

Return

Price

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Wed 12/17

6:00 am-12:10 pm

1 stop8h 10m

San José del Cabo Los Cabos

Mon 12/22

1:05 pm-11:08 pm

1 stop8h 03m

$421

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Thu 1/29

5:26 pm-11:32 am

2 stops20h 06m

San José del Cabo Los Cabos

Mon 2/2

3:42 pm-5:04 pm

2 stops23h 22m

$421

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Thu 1/22

5:26 pm-2:30 pm

2 stops23h 04m

San José del Cabo Los Cabos

Sun 1/25

3:42 pm-5:04 pm

2 stops23h 22m

$421

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Fri 2/6

3:15 pm-10:27 pm

1 stop9h 12m

San José del Cabo Los Cabos

Mon 2/9

9:35 am-11:06 pm

2 stops11h 31m

$425

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sat 1/10

6:00 am-3:27 pm

2 stops11h 27m

San José del Cabo Los Cabos

Sat 1/17

9:35 am-11:37 pm

2 stops12h 02m

$430

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Thu 1/22

6:00 am-3:27 pm

2 stops11h 27m

San José del Cabo Los Cabos

Sun 1/25

4:32 pm-9:16 am

2 stops14h 44m

$430

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sat 2/7

5:26 pm-2:30 pm

2 stops23h 04m

San José del Cabo Los Cabos

Sat 2/14

12:17 pm-5:27 pm

1 stop27h 10m

$431

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sun 2/8

5:26 pm-1:06 pm

1 stop21h 40m

San José del Cabo Los Cabos

Tue 2/10

11:42 am-5:04 pm

1 stop27h 22m

$437

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sat 12/6

5:37 pm-4:31 pm

1 stop24h 54m

San José del Cabo Los Cabos

Sat 12/13

4:43 pm-5:30 pm

2 stops22h 47m

$458

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sun 2/8

5:26 pm-1:06 pm

1 stop21h 40m

San José del Cabo Los Cabos

Wed 2/11

11:42 am-5:27 pm

1 stop27h 45m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/15

Showing 1-10 of 17 results
1
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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.
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

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Los Cabos?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Los Cabos (average of $192). Flying from Washington, D.C. Dulles Intl Airport to Los Cabos in June is currently the most expensive (average of $519). 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.

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 November 17, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and Aeromexico 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.
Delta
7.9
Good
8,006 reviews

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,006 reviews
Delta
7.9
Good
8,006 reviews

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,014 reviews
Delta
7.9
Good
8,006 reviews

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Aeromexico
7.4
Good
1,661 reviews
Delta
7.9
Good
8,006 reviews

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,048 reviews
Delta
7.9
Good
8,006 reviews

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Los Cabos?

    For as low as $421, Delta can have you in Los Cabos from Washington, D.C. Dulles Intl Airport in 8h 10m. The distance between Washington, D.C. Dulles Intl Airport and Los Cabos is about 2182 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Dulles Intl to Los Cabos that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Los Cabos flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Los Cabos?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Los Cabos.

  • Can I find deals for business class flights from Dulles Intl to Los Cabos?

    Yes. Cheapflights offers flight deals from Dulles Intl to Los Cabos by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Los Cabos?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Los Cabos (average of $192). Flying from Washington, D.C. Dulles Intl Airport to Los Cabos in June is currently the most expensive (average of $519). 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.

See more FAQs

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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 November 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$173Average$512FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$253Average$449FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$402Average$583FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$411Average$603FlexibilityNo cancel feeOn-time71%

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