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Tulum

$135+ Cheap flights from Dulles Intl (IAD) to Tulum, 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CUN
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Tulum are usually found in September or February, booked 24 days in advance, depart on a Sunday or Monday and return on a Saturday

Cheap flight deals from Dulles Intl to Tulum

Keep the following information in mind while searching for Dulles Intl to Tulum flight deals. Data was last updated July 30, 2025.

Round-trip from

$273
(American Airlines)

One-way from

$135
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$577
From Washington, D.C. Dulles Intl to Tulum
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One-way flight from Washington, D.C. Dulles Intl to Tulum
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Highest demand for flights based on searches. 7% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Dulles Intl to Tulum

Cheapest flights from Dulles Intl to Tulum
Explore the most affordable flight options available from Dulles Intl to Tulum. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. 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 8/236:34 amIAD - CUN
1 stop6h 06mAmerican Airlines
Fri 8/294:20 pmCUN - IAD
1 stop6h 32mAmerican Airlines
Deal found 7/30$273
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sun 8/106:30 amIAD - CUN
1 stop9h 10mUnited Airlines
Wed 8/1311:14 amCUN - IAD
Nonstop3h 25mUnited Airlines
Deal found 7/29$281
This SmartFares deal was found by Cheapflights users on 7/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:00 amIAD - CUN
1 stop8h 20mAeromexico
Thu 11/136:00 amCUN - IAD
1 stop8h 02mAeromexico
Deal found 7/28$283
This Delta deal was found by Cheapflights users on 7/28. 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.
Mon 11/1010:05 amIAD - CUN
1 stop5h 15mDelta
Fri 11/141:35 pmCUN - IAD
1 stop7h 38mDelta
Deal found 7/28$303
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:14 pmIAD - CUN
1 stop13h 57mMultiple Airlines
Thu 9/189:16 amCUN - IAD
1 stop8h 08mMultiple Airlines
Deal found 7/27$327
This Flysmarter deal was found by Cheapflights users on 7/30. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:34 amIAD - CUN
1 stop6h 06mBritish Airways
Fri 8/294:20 pmCUN - IAD
1 stop6h 32mBritish Airways
Deal found 7/30$335
This Frontier deal was found by Cheapflights users on 7/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/56:10 amIAD - CUN
1 stop7h 17mFrontier
Tue 8/121:49 pmCUN - IAD
1 stop9h 30mFrontier
Deal found 7/29$342

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Tulum 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 July 30, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Tulum that are best for you.

Fly from

Dulles Intl

Fly to

Tulum

Route

Depart

Return

Price

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 8/23

6:34 am-11:40 am

1 stop6h 06m

Cancun

Fri 8/29

4:20 pm-11:52 pm

1 stop6h 32m

$273

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sun 8/10

6:30 am-2:40 pm

1 stop9h 10m

Cancun

Wed 8/13

11:14 am-3:39 pm

Nonstop3h 25m

$281

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 10/25

5:05 pm-1:15 am

1 stop9h 10m

Cancun

Tue 10/28

6:00 am-3:02 pm

1 stop8h 02m

$287

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Thu 10/23

12:27 pm-8:20 pm

1 stop8h 53m

Cancun

Tue 10/28

6:00 am-3:02 pm

1 stop8h 02m

$314

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Thu 9/11

7:14 pm-8:11 am

1 stop13h 57m

Cancun

Thu 9/18

9:16 am-6:24 pm

1 stop8h 08m

$327

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sat 8/23

6:34 am-11:40 am

1 stop6h 06m

Cancun

Fri 8/29

4:20 pm-11:52 pm

1 stop6h 32m

$335

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Tue 8/5

6:10 am-12:27 pm

1 stop7h 17m

Cancun

Tue 8/12

1:49 pm-12:19 am

1 stop9h 30m

$342

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Fri 9/26

7:21 pm-3:27 pm

1 stop21h 06m

$135

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Fri 10/10

5:05 pm-11:17 am

1 stop19h 12m

$139

Washington, D.C.Cancún

IAD - CUN

IADCUN

Washington, D.C. Dulles Intl

Sun 8/3

6:35 am-1:14 pm

1 stop7h 39m

$140

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 14 results
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Best time to book a flight from Dulles Intl to Tulum

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

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Tulum?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Tulum. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Tulum, you should look to book at least 23 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Tulum (average of $360). Flying from Washington, D.C. Dulles Intl Airport to Tulum in March is currently the most expensive (average of $492). 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.

What is the cheapest time of day to fly from IAD to TU9?

Find hourly flight availability from Dulles Intl to Tulum. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Tulum as you normally would.

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Tulum. Price data was last updated on July 27, 2025.

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

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Tulum

Explore weekly flight availability from Dulles Intl to Tulum. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 30, 2025.

The most flights from IAD to TU9 are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Tulum

Get insights into the airlines that provide service to Tulum. 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 Tulum. Reviews last updated July 30, 2025.
Read reviews from past customers who have flown Delta, Aeromexico, and United Airlines from Washington, D.C. Dulles Intl Airport to Tulum. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aeromexico
7.5
Good
1,721 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,837 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Tulum. 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 Tulum one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $135. United Airlines flights start at $137 while deals on Aeromexico start at $139 one-way.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Tulum?

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to Tulum is $118. On average you can expect to pay $801. The most popular route, (Washington, D.C. Dulles Intl - Cancun), can usually be booked for $262.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Tulum 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 Tulum?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Tulum (average of $360). Flying from Washington, D.C. Dulles Intl Airport to Tulum in March is currently the most expensive (average of $492). 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 8 airlines flying from Dulles Intl to Tulum

Discover the top 8 airlines that operate flights from Dulles Intl to Tulum. 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$134Average$451FlexibilityNo cancel feeOn-time65%
AviancaCheapest$182Average$459FlexibilityNo cancel feeOn-time71%
Volaris El SalvadorCheapest$263Average$352FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$271Average$607FlexibilityNo cancel feeOn-time71%
AeromexicoCheapest$294Average$484FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$318Average$384FlexibilityNo cancel feeOn-time62%
DeltaCheapest$325Average$523FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$382Average$634FlexibilityNo cancel feeOn-time69%

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