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Cabo San Lucas

$177+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SJD
Mar 29 — Apr 51
Sun 3/29
Sun 4/5
1 adult, Economy
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Cheap flight deals from Dulles Intl to Cabo San Lucas

Cheapest flights from Dulles Intl to Cabo San Lucas
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 February 27, 2026.

This Delta deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/164:20 pm
IAD
-
SJD
1 stop9h 09m
Delta
Mon 3/3012:35 pm
SJD
-
IAD
1 stop8h 52m
Delta
Deal found 2/23$404
This Aeromexico deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:01 am
IAD
-
SJD
2 stops19h 28m
Aeromexico
Mon 3/3012:35 pm
SJD
-
IAD
1 stop8h 52m
Aeromexico
Deal found 2/23$406
This United Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:00 am
IAD
-
SJD
1 stop9h 48m
United Airlines
Fri 4/101:17 pm
SJD
-
IAD
1 stop13h 11m
United Airlines
Deal found 2/23$408
This Delta deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:29 pm
IAD
-
SJD
2 stops15h 11m
Delta
Wed 4/88:35 am
SJD
-
IAD
2 stops11h 24m
Delta
Deal found 2/23$413
This Aeromexico deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/154:55 pm
IAD
-
SJD
1 stop19h 40m
Aeromexico
Sat 5/236:35 pm
SJD
-
IAD
1 stop17h 35m
Aeromexico
Deal found 2/23$415
This Aeromexico deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/93:08 pm
IAD
-
SJD
2 stops21h 17m
Aeromexico
Fri 5/156:55 pm
SJD
-
IAD
1 stop17h 15m
Aeromexico
Deal found 2/23$419
This Aeromexico deal was found by Cheapflights users on 2/27. 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 5/84:55 pm
IAD
-
SJD
1 stop19h 40m
Aeromexico
Mon 5/116:55 pm
SJD
-
IAD
2 stops18h 41m
Aeromexico
Deal found 2/27$425
This Aeromexico deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:01 am
IAD
-
SJD
1 stop8h 29m
Aeromexico
Sun 3/292:19 pm
SJD
-
IAD
1 stop7h 08m
Aeromexico
Deal found 2/23$428
This Aeromexico deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:00 am
IAD
-
SJD
2 stops19h 30m
Aeromexico
Sat 4/256:00 am
SJD
-
IAD
2 stops15h 27m
Aeromexico
Deal found 2/23$429
This Priceline deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/215:05 am
IAD
-
SJD
1 stop8h 11m
Frontier
Sat 3/2811:31 am
SJD
-
IAD
1 stop10h 00m
Frontier
Deal found 2/25$432
This American Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/99:19 am
IAD
-
SJD
2 stops9h 06m
American Airlines
Sat 5/1612:53 pm
SJD
-
IAD
1 stop8h 06m
American Airlines
Deal found 2/24$434
This Aeromexico deal was found by Cheapflights users on 2/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/204:55 pm
IAD
-
SJD
1 stop19h 30m
Aeromexico
Tue 6/236:55 pm
SJD
-
IAD
1 stop17h 15m
Aeromexico
Deal found 2/25$436

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 February 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$404
(Delta)

One-way from

$177
(Aeromexico)

Popular in

June

Cheapest in

September

Average price

$599
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 Cabo San Lucas
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Cabo San Lucas
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 27, 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

Price

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Mon 3/16

10:06 am-10:29 pm

2 stops15h 23m

San José del Cabo Los Cabos

Tue 3/24

2:19 pm-12:27 am

1 stop7h 08m

$408

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sat 5/2

6:00 am-12:48 pm

1 stop9h 48m

San José del Cabo Los Cabos

Sat 5/9

11:52 am-12:18 am

1 stop9h 26m

$408

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Fri 4/10

7:00 am-12:27 pm

1 stop8h 27m

San José del Cabo Los Cabos

Wed 4/15

2:19 pm-12:42 am

1 stop7h 23m

$408

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Fri 4/10

7:00 am-12:27 pm

1 stop8h 27m

San José del Cabo Los Cabos

Tue 4/14

2:19 pm-12:42 am

1 stop7h 23m

$408

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Mon 4/6

7:29 pm-7:40 am

2 stops15h 11m

San José del Cabo Los Cabos

Wed 4/8

8:35 am-10:59 pm

2 stops11h 24m

$413

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sun 8/23

6:35 am-12:10 pm

1 stop8h 35m

San José del Cabo Los Cabos

Fri 8/28

1:46 pm-11:51 pm

1 stop7h 05m

$450

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Thu 6/4

10:20 pm-8:52 am

1 stop13h 32m

San José del Cabo Los Cabos

Tue 6/9

1:44 pm-12:31 am

1 stop7h 47m

$450

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Mon 3/23

4:20 pm-10:29 pm

1 stop9h 09m

San José del Cabo Los Cabos

Fri 3/27

8:35 am-12:27 am

2 stops12h 52m

$450

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sat 5/2

3:00 pm-10:25 pm

2 stops10h 25m

San José del Cabo Los Cabos

Sat 5/9

6:00 am-12:51 am

2 stops15h 51m

$450

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Mon 4/20

3:00 pm-10:30 pm

2 stops10h 30m

San José del Cabo Los Cabos

Sat 4/25

10:20 am-12:27 am

2 stops11h 07m

$450

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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.
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

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 February 20, 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 June is currently the most expensive (average of $428). 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 February 27, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Cabo San Lucas, such as Delta, United Airlines, and Aeromexico. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,242 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

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
8,242 reviews
Delta
7.9
Good
8,242 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

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
9,349 reviews
Delta
7.9
Good
8,242 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

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
1,574 reviews
Delta
7.9
Good
8,242 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

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
11,357 reviews
Delta
7.9
Good
8,242 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

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 Cabo San Lucas. 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 Cabo San Lucas?

    A quick flight from Washington, D.C. Dulles Intl Airport to Cabo San Lucas can take about 9h 48m. Delta provides one of the quickest options available for as low as $408. There are 2182 mi between Washington, D.C. Dulles Intl Airport and Cabo San Lucas. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Dulles Intl to Cabo San Lucas that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl to Cabo San Lucas?

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

  • Can I find deals for business class flights from Dulles Intl to Cabo San Lucas?

    Yes. Cheapflights offers flight deals from Dulles Intl to Cabo San Lucas 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 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 June is currently the most expensive (average of $428). 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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Alternative routes for Dulles Intl to Cabo San Lucas

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to San José del Cabo flights
Baltimore to San José del Cabo flights
Reagan-National to San José del Cabo flights
Dulles Intl to Loreto flights

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 February 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$161Average$528FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$196Average$437FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$393Average$566FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$396Average$541FlexibilityNo cancel feeOn-time69%

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