$215 Cheap Flights from Cancun (CUN) to Washington (IAD)

View $215 flight on Sat, May 10, 2025Opens in a new window
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Cheap Flights from Cancun to Washington (CUN-IAD)

Prices were available within the past 7 days and start at $215 for one-way flights and $354 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Aug 28 - Sun, Aug 31
CUN
Cancun
IAD
Washington
$354 Roundtrip, found 6 days ago
$354
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Aug 28 from Cancun to Washington, returning Sun, Aug 31, priced at $354 found 6 days ago
Aeromexico
Thu, Sep 4 - Tue, Sep 9
CUN
Cancun
IAD
Washington
$358 Roundtrip, found 6 days ago
$358
Roundtrip
found 6 days ago
Select Aeromexico flight, departing Thu, Sep 4 from Cancun to Washington, returning Tue, Sep 9, priced at $358 found 6 days ago
Aeromexico
Thu, Sep 4 - Tue, Sep 9
CUN
Cancun
IAD
Washington
$362 Roundtrip, found 6 days ago
$362
Roundtrip
found 6 days ago
Select Aeromexico flight, departing Thu, Sep 4 from Cancun to Washington, returning Tue, Sep 9, priced at $362 found 6 days ago
Delta
Thu, Aug 28 - Sun, Aug 31
CUN
Cancun
IAD
Washington
$364 Roundtrip, found 6 days ago
$364
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Aug 28 from Cancun to Washington, returning Sun, Aug 31, priced at $364 found 6 days ago
Delta
Thu, Sep 4 - Tue, Sep 9
CUN
Cancun
IAD
Washington
$372 Roundtrip, found 6 days ago
$372
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Sep 4 from Cancun to Washington, returning Tue, Sep 9, priced at $372 found 6 days ago
American Airlines
Thu, Sep 11 - Mon, Sep 15
CUN
Cancun
IAD
Washington
$378 Roundtrip, found 5 days ago
$378
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Sep 11 from Cancun to Washington, returning Mon, Sep 15, priced at $378 found 5 days ago
American Airlines
Wed, Sep 24 - Wed, Oct 1
CUN
Cancun
IAD
Washington
$380 Roundtrip, found 4 days ago
$380
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Sep 24 from Cancun to Washington, returning Wed, Oct 1, priced at $380 found 4 days ago
United
Fri, May 9 - Mon, May 12
CUN
Cancun
IAD
Washington
$400 Roundtrip, found 10 hours ago
$400
Roundtrip
found 10 hours ago
Select United flight, departing Fri, May 9 from Cancun to Washington, returning Mon, May 12, priced at $400 found 10 hours ago
United
Fri, May 9 - Mon, May 12
CUN
Cancun
IAD
Washington
$405 Roundtrip, found 10 hours ago
$405
Roundtrip
found 10 hours ago
Select United flight, departing Fri, May 9 from Cancun to Washington, returning Mon, May 12, priced at $405 found 10 hours ago
Air Canada
Wed, Sep 24 - Wed, Oct 1
CUN
Cancun
IAD
Washington
$407 Roundtrip, found 4 days ago
$407
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Sep 24 from Cancun to Washington, returning Wed, Oct 1, priced at $407 found 4 days ago
Flights from Cancun (CUN) to Washington (IAD)
Origin airport
Cancun Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Aeromexico, Air Canada, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$354
Distance
1358 mi

Cancun to Washington Flights

The cheapest times to fly from Cancun to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Cancun to Washington are during the month of August. You can find some of the cheapest flights from Cancun to Washington with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Cancun to Washington

Sunday is one of the best days to book for cheap flights from Cancun to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Cancun to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Cancun to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $215 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Cancun to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Cancun to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How long does it take to fly from CUN to Washington Dulles Intl. Airport (IAD)?
With United Airlines, a direct flight takes about 3 hours and 22 minutes. Jump on the 4:12PM flight from CUN and reach Dulles Intl. Airport at 8:34PM. Walk away with a fantastic deal on this and many other routes when you book your ticket with Expedia.
Is it cheaper to buy a plane ticket from Cancun Intl. Airport (CUN) to Dulles Intl. Airport last minute?
Being the spontaneous type is a terrific way to explore the globe, but it’s not necessarily the smartest way to nab a cheap airfare. Think about booking your Cancun Airport to IAD trip well in advance instead of waiting till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneity for when you get to your destination!
What airline has the least delays from Cancun Intl. Airport (CUN) to Washington Dulles Intl. Airport (IAD)?
With an on-time arrival rate of 88%, United Airlines is the airline that’s more likely to fly you from Cancun Airport to Dulles Intl. Airport without any travel delays. Flight delays can be a nice excuse to relax in the airport lounge. However, they can also lead you to missing a connection that ruins your entire vacation. You can prepare for delays by reviewing your flight status through the Expedia App long before you get to the airport. If you’re already there and the delay is lengthy, head to your airline’s customer service desk to see what your options are.
What airports do you fly into for Washington from Cancun?
Washington Dulles Intl. Airport (IAD), Ronald Reagan Washington National Airport (DCA) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI) are your options when flying from Cancun to Washington. Around 25 mi west of downtown Washington, Washington Dulles Intl. Airport (IAD) is the city’s main entry point. Consider things such as flight schedules and the distance to your hotel before picking your airport. White House and United States Capitol are two terrific attractions to put on your to-do list when you arrive at your destination.
What are the most popular departure times for flights from Cancun Intl. Airport (CUN) to Dulles Intl. Airport?
The most popular departure times for journeys from Cancun Intl. Airport (CUN) to Washington Dulles Intl. Airport (IAD) are between 11:00 AM - 12:00 PM on United Airlines. One handy tip is to head off in the morning. The earlier you travel, the better your chances of a delay-free flight as air traffic hasn’t yet built up.
Can I change the date of my flight from CUN to Washington Dulles Intl. Airport (IAD)?
Quickly and easily make changes to your Cancun Intl. Airport (CUN) to Washington Dulles Intl. Airport (IAD) trip through the Expedia Trips portal. Before making any amendments, check the conditions and rules in your itinerary to see what the airline will let you do and what charges may apply. Some carriers have a change fee per person, plus any difference in prices. But if you booked in the last 24 hours, you may be able to cancel for free and arrange new flights. You can also check out our Customer Service portal for more handy information and to chat with our Virtual Agent.

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*Available to One Key members.