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Cabo San Lucas

$152+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SJD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 January, booked 23 days in advance, depart on a Monday or Saturday and return on a Monday

Cheap 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 June 12, 2025.

Round-trip from

$376
(Delta)

One-way from

$152
(SmartFares)

Popular in

April

Cheapest in

September

Average price

$718
From Washington, D.C. Dulles Intl to Cabo San Lucas
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One-way flight from Washington, D.C. Dulles Intl to Cabo San Lucas
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Highest demand for flights based on searches. 11% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 12, 2025.

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.
Sat 8/97:10 amIAD - SJD
1 stop7h 12mDelta
Thu 8/1412:28 pmSJD - IAD
1 stop8h 53mDelta
Deal found 6/10$376
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/256:44 pmIAD - SJD
1 stop16h 09mAmerican Airlines
Fri 8/19:45 amSJD - IAD
1 stop11h 13mAmerican Airlines
Deal found 6/10$377
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/316:10 amIAD - SJD
1 stop7h 20mUnited Airlines
Mon 8/42:50 pmSJD - IAD
1 stop11h 34mUnited Airlines
Deal found 6/11$398
This Hawaiian Airlines 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/147:59 pmIAD - SJD
1 stop17h 12mHawaiian Airlines
Mon 7/217:22 pmSJD - IAD
1 stop20h 57mHawaiian Airlines
Deal found 6/10$400
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 7/147:59 pmIAD - SJD
2 stops25h 13mAlaska Airlines
Mon 7/217:22 pmSJD - IAD
2 stops20h 37mAlaska Airlines
Deal found 6/11$401
This Aeromexico deal was found by Cheapflights users on 6/12. 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 8/86:00 amIAD - SJD
1 stop8h 22mAeromexico
Mon 8/116:30 pmSJD - IAD
2 stops14h 32mAeromexico
Deal found 6/12$512
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/164:10 pmIAD - SJD
3 stops24h 04mMultiple Airlines
Mon 7/212:05 pmSJD - IAD
2 stops21h 51mMultiple Airlines
Deal found 6/10$584
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:35 pmIAD - SJD
1 stop21h 30mAir Canada
Tue 11/111:10 pmSJD - IAD
1 stop29h 19mAir Canada
Deal found 6/11$588

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 June 12, 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

Sat 8/9

7:10 am-11:22 am

1 stop7h 12m

San José del Cabo Los Cabos

Thu 8/14

12:28 pm-12:21 am

1 stop8h 53m

$376

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Fri 7/25

6:44 pm-7:53 am

1 stop16h 09m

San José del Cabo Los Cabos

Fri 8/1

9:45 am-11:58 pm

1 stop11h 13m

$377

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Thu 7/31

6:10 am-10:30 am

1 stop7h 20m

San José del Cabo Los Cabos

Mon 8/4

2:50 pm-5:24 am

1 stop11h 34m

$398

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Mon 7/14

7:59 pm-10:11 am

1 stop17h 12m

San José del Cabo Los Cabos

Mon 7/21

7:22 pm-7:19 pm

1 stop20h 57m

$400

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Mon 7/14

7:59 pm-10:11 am

1 stop17h 12m

San José del Cabo Los Cabos

Mon 7/21

7:22 pm-6:59 pm

2 stops20h 37m

$401

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Fri 8/8

6:00 am-11:22 am

1 stop8h 22m

San José del Cabo Los Cabos

Mon 8/11

6:30 pm-12:02 pm

2 stops14h 32m

$512

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Wed 7/16

4:10 pm-1:14 pm

3 stops24h 04m

San José del Cabo Los Cabos

Mon 7/21

2:05 pm-2:56 pm

2 stops21h 51m

$584

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Mon 9/1

6:00 am-11:23 am

1 stop8h 23m

$152

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Tue 7/29

6:20 am-6:15 pm

2 stops14h 55m

$166

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Thu 8/28

6:04 pm-11:13 am

2 stops20h 09m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 16 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 June 9, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Cabo San Lucas is 23 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cabo San Lucas (average of $437). Flying from Washington, D.C. Dulles Intl Airport to Cabo San Lucas in March is currently the most expensive (average of $549). 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.

Rainfall in Cabo San Lucas by month

Plan your trip to Cabo San Lucas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Cabo San Lucas ranges from 0.0 - 4.5 inches per month. September is typically the wettest month, when rainfall can reach 4.5 in. March is typically the driest time to visit Cabo San Lucas when rainfall is around 0.0 in.

Temperature in Cabo San Lucas by month

Plan your trip to Cabo San Lucas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Cabo San Lucas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 66.2 F).

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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and Hawaiian Airlines from Washington, D.C. to Cabo San Lucas by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Aeromexico
7.5
Good
1,706 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Cabo San Lucas one-way?

    The cheapest airline one-way is Aeromexico, with whom users have recently found tickets for as low as $152. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Cabo San Lucas for a low price.

  • 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Cabo San Lucas (average of $437). Flying from Washington, D.C. Dulles Intl Airport to Cabo San Lucas in March is currently the most expensive (average of $549). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$342Average$412FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$373Average$498FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$387Average$623FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$402Average$631FlexibilityNo cancel feeOn-time71%

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