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Cabo San Lucas

$164+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SJD
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 75 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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$423
(American Airlines)

One-way from

$164
(Delta)

Popular in

June

Cheapest in

September

Average price

$527
Provider with most accurate pricing for Washington, D.C. (WAS)-San José del Cabo Los Cabos flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San José del Cabo Los Cabos flights.
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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. 16% potential increase in price ($121 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This American Airlines deal was found by Cheapflights users on 3/30. 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.
Mon 6/238:14 pmIAD - SJD
1 stop15h 35mAmerican Airlines
Mon 7/1411:41 amSJD - IAD
2 stops17h 52mAmerican Airlines
Deal found 3/30$423
This Hawaiian Airlines deal was found by Cheapflights users on 3/30. 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.
Thu 5/297:59 pmIAD - SJD
1 stop17h 07mHawaiian Airlines
Sun 6/17:28 pmSJD - IAD
1 stop31h 27mHawaiian Airlines
Deal found 3/30$424
This Delta deal was found by Cheapflights users on 3/31. 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 4/246:00 amIAD - SJD
2 stops12h 49mDelta
Sat 4/262:10 pmSJD - IAD
1 stop7h 15mDelta
Deal found 3/31$433
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 4/197:31 amIAD - SJD
1 stop11h 44mAlaska Airlines
Fri 4/253:34 pmSJD - IAD
1 stop29h 24mAlaska Airlines
Deal found 3/31$436
This Aeromexico deal was found by Cheapflights users on 3/30. 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 10/66:00 amIAD - SJD
1 stop8h 30mAeromexico
Wed 10/812:35 pmSJD - IAD
1 stop8h 32mAeromexico
Deal found 3/30$443
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1610:20 pmIAD - SJD
1 stop13h 28mUnited Airlines
Tue 5/2011:32 amSJD - IAD
1 stop7h 41mUnited Airlines
Deal found 3/31$463
This eDestinos deal was found by Cheapflights users on 3/30. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:45 pmIAD - SJD
3 stops26h 30mMultiple Airlines
Wed 5/216:06 amSJD - IAD
2 stops13h 48mMultiple Airlines
Deal found 3/30$538
This Justfly.com deal was found by Cheapflights users on 3/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/308:25 amIAD - SJD
1 stop31h 00mAir Canada
Sun 4/61:35 pmSJD - IAD
1 stop21h 44mAir Canada
Deal found 3/30$598

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 March 31, 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 6/23

5:41 pm-7:55 am

2 stops17h 14m

San José del Cabo Los Cabos

Mon 7/14

11:41 am-8:33 am

2 stops17h 52m

$423

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Thu 5/29

7:59 pm-10:06 am

1 stop17h 07m

San José del Cabo Los Cabos

Sun 6/1

7:28 pm-5:55 am

1 stop31h 27m

$424

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Thu 4/24

6:00 am-3:49 pm

2 stops12h 49m

San José del Cabo Los Cabos

Sat 4/26

2:10 pm-12:25 am

1 stop7h 15m

$433

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sat 4/19

7:31 am-4:15 pm

1 stop11h 44m

San José del Cabo Los Cabos

Fri 4/25

3:34 pm-11:58 pm

1 stop29h 24m

$436

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Fri 5/16

10:20 pm-8:48 am

1 stop13h 28m

San José del Cabo Los Cabos

Tue 5/20

11:32 am-10:13 pm

1 stop7h 41m

$463

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Fri 4/4

10:16 am-9:32 pm

2 stops14h 16m

San José del Cabo Los Cabos

Mon 4/7

12:26 pm-12:28 am

1 stop9h 02m

$511

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Wed 5/14

6:45 pm-6:15 pm

3 stops26h 30m

San José del Cabo Los Cabos

Wed 5/21

6:06 am-10:54 pm

2 stops13h 48m

$538

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sun 4/13

8:17 am-12:30 pm

2 stops31h 13m

San José del Cabo Los Cabos

Fri 4/18

1:35 pm-9:46 am

1 stop17h 11m

$747

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sat 5/3

6:00 am-5:12 pm

2 stops14h 12m

$164

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Fri 5/9

8:02 pm-11:20 am

2 stops18h 18m

$170

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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 March 28, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Cabo San Lucas is 75 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 June is currently the most expensive (average of $560). 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 March 31, 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
9,818 reviews

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,344 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Aeromexico
7.5
Good
1,700 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Food

7.1

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 Delta, with whom users have recently found tickets for as low as $164. However, be on the lookout for offers from American Airlines and United 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 June is currently the most expensive (average of $560). 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$226Average$408FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$374Average$499FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$402Average$655FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$402Average$680FlexibilityNo cancel feeOn-time69%
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