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Cabo San Lucas

$166+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SJD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$424
(American Airlines)

One-way from

$166
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$491
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. 14% potential increase in price ($105 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 February 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 February 20, 2025.

This American Airlines deal was found by Cheapflights users on 2/19. 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 5/35:00 amIAD - SJD
2 stops10h 49mAmerican Airlines
Mon 5/121:09 pmSJD - IAD
2 stops18h 48mAmerican Airlines
Deal found 2/19$424
This United Airlines deal was found by Cheapflights users on 2/19. 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 6/910:32 pmIAD - SJD
1 stop13h 16mUnited Airlines
Fri 6/131:46 pmSJD - IAD
1 stop7h 12mUnited Airlines
Deal found 2/19$441
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 3/267:00 amIAD - SJD
1 stop12h 44mAlaska Airlines
Mon 3/315:25 pmSJD - IAD
2 stops20h 57mAlaska Airlines
Deal found 2/20$451
This Hawaiian Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 3/267:00 amIAD - SJD
1 stop12h 44mHawaiian Airlines
Mon 3/3111:31 amSJD - IAD
1 stop26h 51mHawaiian Airlines
Deal found 2/20$459
This Aeromexico deal was found by Cheapflights users on 2/19. 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.
Tue 3/186:00 amIAD - SJD
2 stops15h 32mAeromexico
Thu 3/2010:42 amSJD - IAD
2 stops10h 46mAeromexico
Deal found 2/19$462
This Delta deal was found by Cheapflights users on 2/20. 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 3/127:35 amIAD - SJD
1 stop8h 30mDelta
Wed 3/262:10 pmSJD - IAD
1 stop7h 21mDelta
Deal found 2/20$465
This Air Canada deal was found by Cheapflights users on 2/20. 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.
Wed 3/122:45 pmIAD - SJD
1 stop24h 50mAir Canada
Mon 3/241:35 pmSJD - IAD
1 stop17h 11mAir Canada
Deal found 2/20$595
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Thu 3/63:34 pmIAD - SJD
3 stops21h 08mMultiple Airlines
Sun 3/911:55 amSJD - IAD
3 stops24h 05mMultiple Airlines
Deal found 2/20$632
This Southwest deal was found by Cheapflights users on 2/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/85:50 amIAD - SJD
1 stop10h 20mSouthwest
Fri 6/132:35 pmSJD - IAD
2 stops19h 35mSouthwest
Deal found 2/18$650

Find flights from Dulles Intl to Cabo San Lucas within your budget

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 20, 2025.

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 5/3

6:18 am-12:49 pm

1 stop9h 31m

San José del Cabo Los Cabos

Mon 5/12

1:09 pm-10:57 am

2 stops18h 48m

$424

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Mon 6/9

10:32 pm-8:48 am

1 stop13h 16m

San José del Cabo Los Cabos

Fri 6/13

1:46 pm-11:58 pm

1 stop7h 12m

$441

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Wed 3/26

7:00 am-4:44 pm

1 stop12h 44m

San José del Cabo Los Cabos

Mon 3/31

5:25 pm-5:22 pm

2 stops20h 57m

$451

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Wed 3/26

7:00 am-4:44 pm

1 stop12h 44m

San José del Cabo Los Cabos

Mon 3/31

11:31 am-5:22 pm

1 stop26h 51m

$459

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Tue 3/18

6:00 am-6:32 pm

2 stops15h 32m

San José del Cabo Los Cabos

Thu 3/20

10:42 am-12:28 am

2 stops10h 46m

$462

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Wed 3/12

6:00 am-6:27 pm

2 stops15h 27m

San José del Cabo Los Cabos

Wed 3/19

12:20 pm-11:00 pm

1 stop7h 40m

$465

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Wed 3/12

2:45 pm-12:35 pm

1 stop24h 50m

San José del Cabo Los Cabos

Mon 3/24

1:35 pm-9:46 am

1 stop17h 11m

$595

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Thu 3/6

3:34 pm-10:42 am

3 stops21h 08m

San José del Cabo Los Cabos

Sun 3/9

11:55 am-3:00 pm

3 stops24h 05m

$632

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sun 6/8

5:50 am-1:10 pm

1 stop10h 20m

San José del Cabo Los Cabos

Fri 6/13

2:35 pm-1:10 pm

2 stops19h 35m

$650

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Tue 3/18

5:54 pm-7:22 pm

2 stops52h 28m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 21 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.

Travel insights for flights from Dulles Intl to Cabo San Lucas

Get recent, data-driven insights about flights from Dulles Intl to Cabo San Lucas including ideal travel times, pricing trends, and more.

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 14, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Cabo San Lucas is 20 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 February 20, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta 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.
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Aeromexico
7.5
Good
1,771 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 Frontier, with whom users have recently found tickets for as low as $167. However, be on the lookout for offers from Aeromexico and Delta, 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$226Average$407FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$366Average$493FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$385Average$664FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$402Average$626FlexibilityNo cancel feeOn-time71%
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