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Cabo San Lucas

$156+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SJD
Jan 24 — Jan 311
Sat 1/24
Sat 1/31
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Cabo San Lucas are usually found in September or December, booked 47 days in advance, depart on a Monday or Saturday and return on a Monday

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 December 25, 2025.

This Aeromexico deal was found by Cheapflights users on 12/24. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:36 pmIAD - SJD
1 stop20h 02mAeromexico
Sat 1/37:40 pmSJD - IAD
1 stop16h 11mAeromexico
Deal found 12/24$513
This Aeromexico deal was found by Cheapflights users on 12/25. 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.
Fri 12/263:36 pmIAD - SJD
1 stop18h 09mAeromexico
Wed 12/3112:21 pmSJD - IAD
1 stop8h 57mAeromexico
Deal found 12/25$518
This United Airlines deal was found by Cheapflights users on 12/23. 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.
Wed 12/246:30 amIAD - SJD
1 stop8h 39mUnited Airlines
Sat 12/273:46 pmSJD - IAD
1 stop11h 33mUnited Airlines
Deal found 12/23$522
This Delta deal was found by Cheapflights users on 12/23. 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.
Fri 12/263:36 pmIAD - SJD
1 stop18h 09mDelta
Thu 1/13:15 pmSJD - IAD
1 stop16h 31mDelta
Deal found 12/23$523
This Delta deal was found by Cheapflights users on 12/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:17 pmIAD - SJD
2 stops18h 28mDelta
Sat 12/271:39 pmSJD - IAD
1 stop8h 18mDelta
Deal found 12/25$527
This Delta deal was found by Cheapflights users on 12/23. 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.
Wed 12/2410:57 amIAD - SJD
2 stops29h 23mDelta
Thu 1/13:15 pmSJD - IAD
1 stop16h 31mDelta
Deal found 12/23$532
This Delta deal was found by Cheapflights users on 12/23. 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.
Fri 12/263:36 pmIAD - SJD
1 stop18h 09mDelta
Mon 1/512:37 pmSJD - IAD
2 stops20h 18mDelta
Deal found 12/23$547
This United Airlines deal was found by Cheapflights users on 12/23. 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.
Wed 12/316:08 amIAD - SJD
1 stop7h 35mUnited Airlines
Mon 1/53:46 pmSJD - IAD
1 stop11h 33mUnited Airlines
Deal found 12/23$548
This United Airlines deal was found by Cheapflights users on 12/23. 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.
Wed 12/246:20 amIAD - SJD
1 stop8h 50mUnited Airlines
Sun 12/2812:10 pmSJD - IAD
1 stop10h 05mUnited Airlines
Deal found 12/23$572
This Aeromexico deal was found by Cheapflights users on 12/24. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/273:36 pmIAD - SJD
1 stop19h 16mAeromexico
Wed 12/3112:21 pmSJD - IAD
1 stop8h 57mAeromexico
Deal found 12/24$589
This Delta deal was found by Cheapflights users on 12/23. 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.
Sat 12/276:00 amIAD - SJD
2 stops14h 21mDelta
Wed 12/3112:21 pmSJD - IAD
1 stop8h 57mDelta
Deal found 12/23$593

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 December 25, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$393
(Delta)

One-way from

$156
(Priceline)

Popular in

June

Cheapest in

September

Average price

$490
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. 9% potential increase in price ($57 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 December 2025
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 December 25, 2025.
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

Dulles Intl

Fly to

Cabo San Lucas

Route

Depart

Return

Price

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Mon 1/19

7:15 am-10:30 pm

2 stops17h 15m

San José del Cabo Los Cabos

Sat 1/24

10:35 am-12:24 am

2 stops11h 49m

$393

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sat 1/24

7:15 am-9:14 pm

2 stops15h 59m

San José del Cabo Los Cabos

Fri 1/30

12:36 pm-11:48 pm

1 stop9h 12m

$393

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sat 2/7

10:28 pm-1:03 pm

1 stop16h 35m

San José del Cabo Los Cabos

Sat 2/14

12:49 pm-10:16 pm

1 stop7h 27m

$393

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Fri 1/30

6:00 am-2:09 pm

1 stop10h 09m

San José del Cabo Los Cabos

Wed 2/4

10:25 am-12:24 am

2 stops11h 59m

$393

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Tue 1/13

6:00 am-5:41 pm

2 stops13h 41m

San José del Cabo Los Cabos

Sat 1/17

1:10 pm-11:06 pm

1 stop7h 56m

$393

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sat 4/11

6:01 am-1:14 pm

1 stop10h 13m

San José del Cabo Los Cabos

Tue 4/14

6:30 pm-4:31 pm

2 stops19h 01m

$396

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sat 5/16

6:20 am-11:25 am

1 stop8h 05m

San José del Cabo Los Cabos

Sat 5/23

2:50 pm-5:08 am

1 stop11h 18m

$396

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Mon 3/23

6:01 am-1:14 pm

1 stop10h 13m

San José del Cabo Los Cabos

Fri 3/27

2:19 pm-12:31 am

1 stop7h 12m

$396

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Mon 2/2

3:15 pm-10:30 pm

1 stop9h 15m

$168

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Mon 2/23

3:15 pm-10:27 pm

1 stop9h 12m

$168

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Showing 1-10 of 18 results
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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 December 19, 2025.

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 $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.

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 December 25, 2025.
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
8,014 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

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
8,014 reviews
Delta
7.9
Good
8,014 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

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
9,115 reviews
Delta
7.9
Good
8,014 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

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
1,624 reviews
Delta
7.9
Good
8,014 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

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
11,064 reviews
Delta
7.9
Good
8,014 reviews

Comfort

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

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 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 15h 59m. Aeromexico provides one of the quickest options available for as low as $393. 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 $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 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 December 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$173Average$512FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$196Average$442FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$393Average$596FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$403Average$563FlexibilityNo cancel feeOn-time69%

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