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 Delta, which is currently one of the cheapest options available, starting at $160. United Airlines flights start at $160 while deals on Air Canada start at $184 one-way.

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

The most flights from IAD to TU9 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

In terms of precipitation, rainfall in Tulum ranges from 1.1 - 11.1 inches per month. October is typically the wettest month, when rainfall can reach 11.1 in. April is typically the driest time to visit Tulum when rainfall is around 1.1 in.

If weather is an important factor for your trip to Tulum, 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 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 75.2 F).

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 $173. On average you can expect to pay $652. The most popular route, (Washington, D.C. Dulles Intl - Cancun), can usually be booked for $345.

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

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

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.

Find Cheap Flights from Washington, D.C. Dulles Intl Airport to Tulum

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Tulum are usually found in September or May, booked 29 days in advance, depart on a Monday or Tuesday and return on a Friday

Find flight deals from Dulles Intl to Tulum

Most accurate provider	FlightHub 3 stars
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Popular in	December
Cheapest in	September
Average price	$512

Provider with most accurate pricing for Washington, D.C. (WAS)-Cancun flight deals.

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Highest demand for flights based on searches. 3% potential increase in price ($20 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in September 2026

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Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Tulum

Prices

Airlines

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

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.

Reviews of airlines servicing Tulum

Read reviews from past customers who have flown Delta,Aeromexico, andUnited 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

7.8

Good

8,595 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Delta

7.8

Good

8,595 reviews

Delta

7.8

Good

8,595 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Aeromexico

7.5

Good

1,463 reviews

Delta

7.8

Good

8,595 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

United Airlines

7.4

Good

10,230 reviews

Delta

7.8

Good

8,595 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

American Airlines

7.0

Good

12,080 reviews

Delta

7.8

Good

8,595 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Frontier

5.6

Fair

2,581 reviews

Delta

7.8

Good

8,595 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Related info for your journey

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 Delta, which is currently one of the cheapest options available, starting at $160. United Airlines flights start at $160 while deals on Air Canada start at $184 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 $173. On average you can expect to pay $652. The most popular route, (Washington, D.C. Dulles Intl - Cancun), can usually be booked for $345.
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.

See more FAQs

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Top 7 airlines flying from Dulles Intl to Tulum

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$144	Average$532	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$168	Average$507	FlexibilityNo cancel fee	On-time62%
Aeromexico	Cheapest$175	Average$364	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$194	Average$415	FlexibilityNo cancel fee	On-time67%
Frontier	Cheapest$197	Average$460	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$326	Average$605	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$338	Average$589	FlexibilityNo cancel fee	On-time71%

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Cheap flights from Dulles Intl (IAD) to Tulum, Mexico

Find cheap flights from Dulles Intl to Tulum with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Dulles Intl to Tulum

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Cheapflights Insights

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

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.

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

The most flights from IAD to TU9 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Tulum

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Tulum one-way?

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

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

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

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

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 Tulum

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Complete your trip

Complete your trip to Tulum by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Dulles Intl to Tulum by cabin class

Find flights from Dulles Intl to Tulum, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Dulles Intl and Tulum flights

Browse other Dulles Intl and Tulum flight options. Last updated on September 22, 2026.

Other flights from Dulles Intl

Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on September 22, 2026.

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Dulles Intl to Tulum flights

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Top 7 airlines flying from Dulles Intl to Tulum

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