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 $165. However, be on the lookout for offers from British Airways and Hawaiian 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.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Cabo San Lucas?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Cabo San Lucas flight should consider departing on Friday afternoons when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Cabo San Lucas?

When booking a flight from Washington, D.C. Dulles Intl Airport to Cabo San Lucas, you may want to consider flying on American Airlines, Aeromexico or Delta as they are the most popular for this route.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Cabo San Lucas?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, January can be a great choice for travel to Cabo San Lucas. Flights to Cabo San Lucas from Washington, D.C. Dulles Intl Airport in January are about $585 on average during January, but can be found for as low as $352.

What is the cheapest time of day to fly from IAD to C4B?

When flying from Washington, D.C. Dulles Intl Airport to Cabo San Lucas, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$165+ Flights from Washington, D.C. Dulles Intl Airport to Cabo San Lucas

Q: How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Cabo San Lucas?

Users have found that booking a flight from Washington, D.C. Dulles Intl Airport to Cabo San Lucas at least 24 days early can save you up to 11% on average compared to booking a flight this week. If booking 24 days before your flight isn’t an option for you, users have found flights from Washington, D.C. Dulles Intl Airport to Cabo San Lucas for as little as $452 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $452 for flights departing within the next 3 days.

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Find cheap flights from Dulles Intl to Cabo San Lucas with Cheapflights

1. Tell us where you want to go

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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

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$419 (Aeromexico)
One-way from	$165 (Delta)
Popular in	June
Cheapest in	September
Average price	$836

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. 12% potential increase in price ($95 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).

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Average for round-trip flights in April 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 April 24, 2025.

Tue 8/56:00 amIAD - SJD

1 stop8h 30mAeromexico

Fri 8/1512:35 pmSJD - IAD

1 stop8h 35mAeromexico

Deal found 4/23

$419

Tue 6/37:59 pmIAD - SJD

2 stops20h 47mAlaska Airlines

Tue 6/103:30 pmSJD - IAD

1 stop13h 06mAlaska Airlines

Deal found 4/23

$420

Sat 5/317:25 pmIAD - SJD

1 stop17h 32mHawaiian Airlines

Tue 6/37:28 pmSJD - IAD

1 stop31h 27mHawaiian Airlines

Deal found 4/23

$421

Tue 8/57:00 amIAD - SJD

1 stop7h 30mDelta

Fri 8/151:25 pmSJD - IAD

2 stops19h 03mDelta

Deal found 4/23

$423

Fri 6/278:14 pmIAD - SJD

2 stops14h 41mAmerican Airlines

Tue 7/18:55 amSJD - IAD

2 stops12h 04mAmerican Airlines

Deal found 4/23

$428

Wed 7/166:10 amIAD - SJD

1 stop7h 20mUnited Airlines

Sun 7/201:00 pmSJD - IAD

1 stop13h 18mUnited Airlines

Deal found 4/23

$470

Tue 7/12:05 pmIAD - SJD

2 stops29h 29mMultiple Airlines

Sun 7/62:02 pmSJD - IAD

3 stops33h 43mMultiple Airlines

Deal found 4/23

$570

Best flights from Dulles Intl to Cabo San Lucas
Discover carefully curated flight deals from Dulles Intl to Cabo San Lucas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2025.

Tue 8/56:00 amIAD - SJD

1 stop8h 30mAeromexico

Fri 8/1512:35 pmSJD - IAD

1 stop8h 35mAeromexico

Deal found 4/23

$419

Tue 6/37:59 pmIAD - SJD

2 stops20h 47mAlaska Airlines

Tue 6/103:30 pmSJD - IAD

1 stop13h 06mAlaska Airlines

Deal found 4/23

$420

Sat 5/317:25 pmIAD - SJD

1 stop17h 32mHawaiian Airlines

Tue 6/37:28 pmSJD - IAD

1 stop31h 27mHawaiian Airlines

Deal found 4/24

$421

Tue 8/57:00 amIAD - SJD

1 stop7h 30mDelta

Fri 8/151:25 pmSJD - IAD

2 stops19h 03mDelta

Deal found 4/23

$423

Fri 6/278:14 pmIAD - SJD

2 stops14h 41mAmerican Airlines

Tue 7/18:55 amSJD - IAD

2 stops12h 04mAmerican Airlines

Deal found 4/23

$428

Wed 7/166:10 amIAD - SJD

1 stop7h 20mUnited Airlines

Sun 7/201:00 pmSJD - IAD

1 stop13h 18mUnited Airlines

Deal found 4/23

$470

Tue 7/12:05 pmIAD - SJD

2 stops29h 29mMultiple Airlines

Sun 7/62:02 pmSJD - IAD

3 stops33h 43mMultiple Airlines

Deal found 4/23

$570

Last-minute flights from Dulles Intl to Cabo San Lucas
Discover last-minute flight deals from Dulles Intl to Cabo San Lucas. Data last updated April 24, 2025 and is based on user searches.

Thu 4/245:13 pmIAD - SJD

1 stop18h 12mAmerican Airlines

Sat 4/2610:14 amSJD - IAD

1 stop9h 28mAmerican Airlines

Deal found 4/22

$527

Thu 5/110:16 amIAD - SJD

2 stops14h 28mDelta

Thu 5/86:06 amSJD - IAD

2 stops15h 22mDelta

Deal found 4/23

$512

Thu 5/18:14 pmIAD - SJD

2 stops15h 11mAmerican Airlines

Thu 5/81:14 pmSJD - IAD

2 stops16h 24mAmerican Airlines

Deal found 4/23

$516

Thu 5/14:59 pmIAD - SJD

1 stop21h 25mAeromexico

Sun 5/46:29 pmSJD - IAD

1 stop17h 48mAeromexico

Deal found 4/22

$987

Fri 5/26:30 amIAD - SJD

1 stop12h 05mAlaska Airlines

Sun 5/112:46 pmSJD - IAD

1 stop24h 13mAlaska Airlines

Deal found 4/23

$686

Sun 5/48:25 amIAD - SJD

1 stop7h 25mUnited Airlines

Thu 5/82:50 pmSJD - IAD

1 stop11h 32mUnited Airlines

Deal found 4/22

$874

Tue 5/66:00 amIAD - SJD

1 stop8h 10mAeromexico

Fri 8/812:35 pmSJD - IAD

1 stop8h 35mAeromexico

Deal found 4/22

$473

Wed 5/146:30 amIAD - SJD

1 stop11h 02mUnited Airlines

Tue 5/203:45 pmSJD - IAD

1 stop12h 34mUnited Airlines

Deal found 4/22

$436

Fri 5/1610:05 pmIAD - SJD

1 stop19h 27mLufthansa

Thu 5/2212:30 pmSJD - IAD

1 stop14h 59mLufthansa

Deal found 4/22

$465

Fri 5/232:25 pmIAD - SJD

3 stops28h 10mMultiple Airlines

Tue 5/273:32 pmSJD - IAD

3 stops29h 38mMultiple Airlines

Deal found 4/22

$592

Sat 5/2410:09 amIAD - SJD

2 stops11h 11mDelta

Wed 5/286:06 amSJD - IAD

2 stops13h 48mDelta

Deal found 4/22

$419

Wed 5/285:14 pmIAD - SJD

2 stops28h 13mAlaska Airlines

Sun 6/17:28 pmSJD - IAD

1 stop31h 27mAlaska Airlines

Deal found 4/22

$447

One-way flights from Dulles Intl to Cabo San Lucas
Search for one-way flight options from Dulles Intl to Cabo San Lucas. Find affordable one-way fares based on user searches. Data last updated April 24, 2025.

Tue 6/246:00 amIAD - SJD

2 stops15h 13mDelta

Deal found 4/23

$165

Thu 7/39:10 amIAD - SJD

2 stops25h 45mBritish Airways

Deal found 4/23

$185

Thu 5/297:59 pmIAD - SJD

1 stop17h 07mHawaiian Airlines

Deal found 4/23

$186

Tue 5/65:02 amIAD - SJD

2 stops10h 12mAmerican Airlines

Deal found 4/23

$191

Thu 7/310:32 pmIAD - SJD

1 stop13h 16mLufthansa

Deal found 4/23

$208

Fri 5/2310:09 pmIAD - SJD

1 stop15h 02mUnited Airlines

Deal found 4/23

$218

Tue 5/272:00 pmIAD - SJD

3 stops28h 35mMultiple Airlines

Deal found 4/23

$227

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sat 6/7

7:15 am-11:43 am

1 stop7h 28m

San José del Cabo Los Cabos

Sun 6/15

11:28 am-12:33 am

2 stops10h 05m

$419

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Tue 6/3

7:59 pm-1:46 pm

2 stops20h 47m

San José del Cabo Los Cabos

Tue 6/10

3:30 pm-7:36 am

1 stop13h 06m

$420

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Sat 5/31

7:25 pm-9:57 am

1 stop17h 32m

San José del Cabo Los Cabos

Tue 6/3

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

Fri 6/27

6:55 am-11:40 am

1 stop7h 45m

San José del Cabo Los Cabos

Tue 7/1

12:40 pm-11:59 pm

1 stop8h 19m

$424

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Thu 6/5

6:00 am-9:37 pm

2 stops18h 37m

San José del Cabo Los Cabos

Mon 6/9

6:03 am-10:11 pm

2 stops13h 08m

$444

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Wed 7/16

6:10 am-10:30 am

1 stop7h 20m

San José del Cabo Los Cabos

Sun 7/20

1:00 pm-5:18 am

1 stop13h 18m

$470

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Tue 7/1

2:05 pm-4:34 pm

2 stops29h 29m

San José del Cabo Los Cabos

Sun 7/6

2:02 pm-2:45 am

3 stops33h 43m

$570

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Tue 6/24

6:00 am-6:13 pm

2 stops15h 13m

$165

Washington, D.C.San José del Cabo

IAD - SJD

IADSJD

Washington, D.C. Dulles Intl

Thu 7/3

9:10 am-7:55 am

2 stops25h 45m

$185

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

$186

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 14 results

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?

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 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

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

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 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

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,918 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,920 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Hawaiian Airlines

7.9

Good

2,393 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Aeromexico

7.5

Good

1,700 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,685 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

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 $165. However, be on the lookout for offers from British Airways and Hawaiian 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dulles Intl to Cabo San Lucas

Dulles Intl to San José del Cabo flights

Baltimore to San José del Cabo flights

Reagan-National to San José del Cabo flights

Dulles Intl to La Paz flights

Baltimore to La Paz flights

Reagan-National to La Paz flights

Baltimore to Loreto flights

Reagan-National to Loreto flights

Dulles Intl to Loreto flights

Top 4 airlines flying from Dulles Intl to Cabo San Lucas

Airline	Cheapest	Average	Flexibility	On-time
Aeromexico	Cheapest$342	Average$412	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$373	Average$497	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$402	Average$667	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$409	Average$629	FlexibilityNo cancel fee	On-time71%

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$165+ 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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Cabo San Lucas with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 April 24, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Cabo San Lucas

Cheapest flights from Dulles Intl to Cabo San LucasExplore 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 April 24, 2025.

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 April 24, 2025.

Cheapflights Fare Finder

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.

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.

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 April 18, 2025.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Cabo San Lucas?

Rainfall in Cabo San Lucas by month

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

Temperature in Cabo San Lucas by month

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

Reviews of airlines servicing Cabo San Lucas

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?

Can I find deals for flights from Dulles Intl to Cabo San Lucas that include hotel bookings?

How can I 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?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Cabo San Lucas?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Cabo San Lucas

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Dulles Intl to Cabo San Lucas

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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 April 24, 2025.