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Los Cabos

$164+ Cheap flights from Dulles Intl (IAD) to Los Cabos

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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SJD
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Cheap flight deals from Dulles Intl to Los Cabos

Keep the following information in mind while searching for Dulles Intl to Los Cabos flight deals. Data was last updated March 26, 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

December

Cheapest in

January

Average price

$529
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 Los Cabos
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One-way flight from Washington, D.C. Dulles Intl to Los Cabos
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Highest demand for flights based on searches. 4% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 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 Los Cabos

Cheapest flights from Dulles Intl to Los Cabos
Explore the most affordable flight options available from Dulles Intl to Los Cabos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

This American Airlines deal was found by Cheapflights users on 3/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/265:13 pmIAD - SJD
1 stop18h 12mAmerican Airlines
Thu 5/12:29 pmSJD - IAD
2 stops15h 09mAmerican Airlines
Deal found 3/25$423
This Hawaiian Airlines deal was found by Cheapflights users on 3/26. 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 3/26$424
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/295:14 pmIAD - SJD
2 stops19h 52mAlaska Airlines
Sun 6/17:28 pmSJD - IAD
1 stop31h 27mAlaska Airlines
Deal found 3/25$428
This United Airlines deal was found by Cheapflights users on 3/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1510:20 pmIAD - SJD
1 stop17h 30mUnited Airlines
Mon 5/191:12 pmSJD - IAD
1 stop19h 13mUnited Airlines
Deal found 3/25$429
This Delta deal was found by Cheapflights users on 3/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/306:00 amIAD - SJD
2 stops12h 49mDelta
Tue 5/66:06 amSJD - IAD
2 stops14h 01mDelta
Deal found 3/24$437
This Aeromexico deal was found by Cheapflights users on 3/24. 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.
Wed 5/710:09 amIAD - SJD
2 stops14h 40mAeromexico
Tue 5/1312:48 pmSJD - IAD
1 stop7h 47mAeromexico
Deal found 3/24$484
This Air Canada deal was found by Cheapflights users on 3/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2610:35 amIAD - SJD
1 stop29h 00mAir Canada
Tue 4/11:35 pmSJD - IAD
1 stop15h 20mAir Canada
Deal found 3/25$491
This Mytrip deal was found by Cheapflights users on 3/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/184:20 pmIAD - SJD
3 stops23h 54mMultiple Airlines
Tue 5/273:32 pmSJD - IAD
3 stops29h 38mMultiple Airlines
Deal found 3/25$581

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Los Cabos 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 26, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Los Cabos that are best for you.

Fly from

Dulles Intl

Fly to

Los Cabos

Route

Depart

Return

Price

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sat 4/26

6:18 am-2:25 pm

2 stops11h 07m

San José del Cabo Los Cabos

Fri 5/2

1:38 pm-8:38 am

2 stops16h 00m

$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 5/29

5:14 pm-10:06 am

2 stops19h 52m

San José del Cabo Los Cabos

Sun 6/1

7:28 pm-5:55 am

1 stop31h 27m

$428

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Thu 5/15

10:20 pm-12:50 pm

1 stop17h 30m

San José del Cabo Los Cabos

Mon 5/19

1:12 pm-11:25 am

1 stop19h 13m

$429

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Wed 4/30

6:00 am-3:49 pm

2 stops12h 49m

San José del Cabo Los Cabos

Tue 5/6

6:06 am-11:07 pm

2 stops14h 01m

$437

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Wed 5/7

10:09 am-9:49 pm

2 stops14h 40m

San José del Cabo Los Cabos

Tue 5/13

12:48 pm-11:35 pm

1 stop7h 47m

$484

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sun 5/18

4:20 pm-1:14 pm

3 stops23h 54m

San José del Cabo Los Cabos

Tue 5/27

3:32 pm-12:10 am

3 stops29h 38m

$581

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sat 6/14

6:30 am-1:10 pm

1 stop9h 40m

San José del Cabo Los Cabos

Fri 6/20

2:35 pm-1:10 pm

2 stops19h 35m

$685

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Tue 4/29

6:00 am-1:05 pm

1 stop10h 05m

$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 3/25

Showing 1-10 of 15 results
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Best time to book a flight from Dulles Intl to Los Cabos

Have a flexible travel schedule? Discover the best time to fly to Los Cabos 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 Los Cabos

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Los Cabos?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Los Cabos (average of $437). Flying from Washington, D.C. Dulles Intl Airport to Los Cabos 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 Los Cabos by month

Plan your trip to Los Cabos by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Los Cabos 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 Los Cabos when rainfall is around 0.0 in.

Temperature in Los Cabos by month

Plan your trip to Los Cabos by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Los Cabos, 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 Los Cabos

Get insights into the airlines that provide service to Los Cabos. 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 Los Cabos. Reviews last updated March 26, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Washington, D.C. to Los Cabos to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,789 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,891 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,331 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,608 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Los Cabos. 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 Los Cabos 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 Los Cabos for a low price.

  • Can I find deals for flights from Dulles Intl to Los Cabos that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl to Los Cabos?

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

  • Can I find deals for business class flights from Dulles Intl to Los Cabos?

    Yes. Cheapflights offers flight deals from Dulles Intl to Los Cabos 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 Los Cabos?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Los Cabos (average of $437). Flying from Washington, D.C. Dulles Intl Airport to Los Cabos 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 Los Cabos

Discover the top 4 airlines that operate flights from Dulles Intl to Los Cabos. 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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$226Average$408FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$374Average$500FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$403Average$691FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$409Average$658FlexibilityNo cancel feeOn-time71%
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