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Los Cabos

$165+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SJD
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$419
(American Airlines)

One-way from

$165
(Delta)

Popular in

December

Cheapest in

January

Average price

$591
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. 5% potential increase in price ($32 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 May 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 May 1, 2025.

This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 6/216:43 pmIAD - SJD
1 stop16h 12mAmerican Airlines
Thu 6/2612:40 pmSJD - IAD
1 stop8h 19mAmerican Airlines
Deal found 4/30$419
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/306:15 pmIAD - SJD
1 stop21h 03mAlaska Airlines
Mon 6/27:28 pmSJD - IAD
2 stops19h 57mAlaska Airlines
Deal found 4/30$420
This Hawaiian Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 5/306:15 pmIAD - SJD
1 stop21h 03mHawaiian Airlines
Sun 6/17:28 pmSJD - IAD
1 stop31h 27mHawaiian Airlines
Deal found 4/30$421
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1010:05 amIAD - SJD
2 stops14h 55mDelta
Mon 7/142:15 pmSJD - IAD
2 stops15h 55mDelta
Deal found 4/30$428
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:30 amIAD - SJD
1 stop10h 13mUnited Airlines
Mon 7/281:12 pmSJD - IAD
1 stop8h 33mUnited Airlines
Deal found 4/30$433
This Aeromexico deal was found by Cheapflights users on 4/30. 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.
Sun 6/16:00 amIAD - SJD
2 stops15h 15mAeromexico
Thu 6/1212:35 pmSJD - IAD
1 stop8h 57mAeromexico
Deal found 4/30$464
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/68:18 amIAD - SJD
2 stops32h 16mMultiple Airlines
Fri 6/132:30 pmSJD - IAD
3 stops22h 49mMultiple Airlines
Deal found 4/30$549

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 May 1, 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 6/21

6:43 pm-7:55 am

1 stop16h 12m

San José del Cabo Los Cabos

Wed 6/25

11:31 am-10:39 pm

1 stop8h 08m

$419

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Fri 5/30

6:15 pm-12:18 pm

1 stop21h 03m

San José del Cabo Los Cabos

Mon 6/2

7:28 pm-6:25 pm

2 stops19h 57m

$420

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Fri 5/30

6:15 pm-12:18 pm

1 stop21h 03m

San José del Cabo Los Cabos

Sun 6/1

7:28 pm-5:55 am

1 stop31h 27m

$421

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Thu 7/10

10:05 am-10:00 pm

2 stops14h 55m

San José del Cabo Los Cabos

Mon 7/14

2:15 pm-9:10 am

2 stops15h 55m

$428

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Thu 7/24

6:30 am-1:43 pm

1 stop10h 13m

San José del Cabo Los Cabos

Mon 7/28

1:12 pm-12:45 am

1 stop8h 33m

$433

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sun 6/1

6:00 am-6:15 pm

2 stops15h 15m

San José del Cabo Los Cabos

Thu 6/12

12:35 pm-12:32 am

1 stop8h 57m

$464

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Fri 6/6

8:18 am-1:34 pm

2 stops32h 16m

San José del Cabo Los Cabos

Fri 6/13

2:30 pm-4:19 pm

3 stops22h 49m

$549

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Tue 6/17

12:49 pm-9:52 pm

2 stops12h 03m

$165

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sat 6/21

5:41 pm-11:40 am

1 stop20h 59m

$176

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Thu 5/29

6:15 pm-12:18 pm

1 stop21h 03m

$186

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 13 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 May 1, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,294 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,409 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Aeromexico
7.5
Good
1,698 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $165. However, be on the lookout for offers from American Airlines and Hawaiian 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$342Average$412FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$373Average$502FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$403Average$664FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$409Average$626FlexibilityNo cancel feeOn-time71%

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