$454 Cheap Flights from Tapachula (TAP) to Washington (IAD)

View $454 flight on Tue, Mar 31, 2026Opens in a new window

Popular airlines from Tapachula, Chiapas (TAP-Tapachula Intl.) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Tapachula to Washington (TAP-IAD)

Prices were available within the past 7 days and start at $454 for one-way flights and $970 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jul 28 - Wed, Aug 19
TAP
Tapachula
IAD
Washington
$970 Roundtrip, found 4 days ago
$970
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jul 28 from Tapachula to Washington, returning Wed, Aug 19, priced at $970 found 4 days ago
Aeromexico
Tue, Aug 4 - Tue, Aug 18
TAP
Tapachula
IAD
Washington
$975 Roundtrip, found 4 days ago
$975
Roundtrip
found 4 days ago
Select Aeromexico flight, departing Tue, Aug 4 from Tapachula to Washington, returning Tue, Aug 18, priced at $975 found 4 days ago
Aeromexico
Thu, Jul 30 - Wed, Aug 12
TAP
Tapachula
IAD
Washington
$1,064 Roundtrip, found 4 days ago
$1,064
Roundtrip
found 4 days ago
Select Aeromexico flight, departing Thu, Jul 30 from Tapachula to Washington, returning Wed, Aug 12, priced at $1,064 found 4 days ago
Aeromexico
Mon, Jun 8 - Tue, Jun 30
TAP
Tapachula
IAD
Washington
$1,066 Roundtrip, found 3 days ago
$1,066
Roundtrip
found 3 days ago
Select Aeromexico flight, departing Mon, Jun 8 from Tapachula to Washington, returning Tue, Jun 30, priced at $1,066 found 3 days ago
Aeromexico
Mon, Jun 8 - Wed, Jul 1
TAP
Tapachula
IAD
Washington
$1,070 Roundtrip, found 3 days ago
$1,070
Roundtrip
found 3 days ago
Select Aeromexico flight, departing Mon, Jun 8 from Tapachula to Washington, returning Wed, Jul 1, priced at $1,070 found 3 days ago
Aeromexico
Tue, Jul 28 - Wed, Aug 19
TAP
Tapachula
IAD
Washington
$1,074 Roundtrip, found 4 days ago
$1,074
Roundtrip
found 4 days ago
Select Aeromexico flight, departing Tue, Jul 28 from Tapachula to Washington, returning Wed, Aug 19, priced at $1,074 found 4 days ago
Delta
Thu, Jul 30 - Wed, Aug 12
TAP
Tapachula
IAD
Washington
$1,074 Roundtrip, found 4 days ago
$1,074
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Jul 30 from Tapachula to Washington, returning Wed, Aug 12, priced at $1,074 found 4 days ago
Delta
Thu, Jun 11 - Tue, Jun 30
TAP
Tapachula
IAD
Washington
$1,076 Roundtrip, found 3 days ago
$1,076
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Jun 11 from Tapachula to Washington, returning Tue, Jun 30, priced at $1,076 found 3 days ago
Delta
Thu, Jul 30 - Wed, Aug 12
TAP
Tapachula
IAD
Washington
$1,079 Roundtrip, found 4 days ago
$1,079
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Jul 30 from Tapachula to Washington, returning Wed, Aug 12, priced at $1,079 found 4 days ago
Delta
Thu, Jun 11 - Wed, Jul 1
TAP
Tapachula
IAD
Washington
$1,081 Roundtrip, found 3 days ago
$1,081
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Jun 11 from Tapachula to Washington, returning Wed, Jul 1, priced at $1,081 found 3 days ago

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Frequently asked questions

How much does a flight from Tapachula Intl. Airport (TAP) to Washington Dulles Intl. Airport (IAD) cost?
Lock in a cheap one-way flight from $454 or cheap return flight from $970 from Tapachula Intl. Airport (TAP) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Tapachula Intl. Airport (TAP) to Washington Dulles Intl. Airport (IAD)?
The cheapest month to fly from TAP to IAD is July, when demand is low. Off-peak months are typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Tapachula Intl. Airport (TAP) to Washington Dulles Intl. Airport (IAD)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest TAP to IAD flight.
How many flights per day from Tapachula Intl. Airport (TAP) to Washington Dulles Intl. Airport (IAD)?
Nonstop flights from Tapachula Intl. Airport (TAP) to Washington Dulles Intl. Airport (IAD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from TAP to IAD?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Tapachula Intl. Airport (TAP) to Washington Dulles Intl. Airport (IAD)?
To reach Washington Dulles Intl. Airport (IAD) on time, choose a flight that leaves from Tapachula Intl. Airport (TAP) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Tapachula Intl. Airport (TAP) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your flight from TAP to IAD shortly before your trip is usually more expensive. However, if you're flexible with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a TAP to IAD flight and hotel package?
You'll generally save money by booking a TAP to IAD flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your preferred accommodations and flights, consider adding extras including car rentals, tours and activities.
Can I cancel or change the date of my flight from Tapachula Intl. Airport (TAP) to Washington Dulles Intl. Airport (IAD)?
If you booked your TAP to IAD flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Tapachula Intl.
Destination airport
Washington Dulles Intl.
Roundtrip price
$970
Distance
1899 mi

Book with confidence

Tapachula to Washington Flights

The cheapest times to fly from Tapachula 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 Tapachula to Washington are during the month of July. You can find some of the cheapest flights from Tapachula to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Tapachula to Washington

Sunday is one of the best days to book for cheap flights from Tapachula 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 Tapachula 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 Tapachula to Washington in 2026. You can also book with separate airlines for your outbound and return journeys, from $454 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 Tapachula 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 Tapachula 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.

 

Tapachula to Washington Flights

*Flight schedules are subject to change.

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