Cheap flights from Harlingen, Texas to Washington, D.C. from $267
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Harlingen, Texas to Washington, D.C. departing on 6/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Harlingen, Texas to Washington, D.C. Dulles Intl Airport
Our best American Airlines deals on Harlingen, Texas to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines flights from Harlingen, Texas to Washington, D.C. Dulles Intl Airport
Our best United Airlines deals on Harlingen, Texas to Washington, D.C. Dulles Intl Airport flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Harlingen, Texas to Washington, D.C. Dulles Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $451. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Harlingen, Texas to Washington, D.C. Dulles Intl Airport for around $501.
What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Flying to Washington, D.C. Dulles Intl Airport from Harlingen, Texas in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $533 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $540 on average. Flights to Washington, D.C. Dulles Intl Airport from Harlingen, Texas in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
When to book flights from Harlingen, Texas to Washington, D.C. Dulles Intl Airport
Cheap Harlingen, Texas to Washington, D.C. Dulles Intl Airport (HRL to IAD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Harlingen, Texas to Washington, D.C. Dulles Intl Airport
How far is Harlingen Valley Intl to Washington, D.C. Dulles Intl by plane?
The distance between Harlingen Valley Intl and Washington, D.C. Dulles Intl is about 1465.2 mi. Flights usually cover this in 5h 38m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Harlingen Valley Intl Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Harlingen Valley Intl Airport to Washington, D.C. Dulles Intl Airport refresh daily.
How many operators does momondo search for flights from Harlingen Valley Intl Airport to Washington, D.C. Dulles Intl Airport?
As of April 2025, there is 1 operator available to choose from for flights from Harlingen Valley Intl Airport to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Harlingen Valley Intl Airport to Washington, D.C. Dulles Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Harlingen Valley Intl Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Harlingen, Texas to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for flights between Harlingen, Texas and Washington, D.C. Dulles Intl Airport, the leading airline is United Airlines, making up 100% of the total bookings.
Best airlines flying from Harlingen, Texas to Washington, D.C. Dulles Intl Airport
Compare and see reviews for airlines that fly from Harlingen, Texas to Washington, D.C. Dulles Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $306 | Free Cancellation | Rating 7.4 8,696 reviews |
Traveling to a place near Washington, D.C.?
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Why should I use momondo to find a flight deal from Harlingen to Washington, D.C.?
It is quick and easy to find Harlingen to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.
Can I find flights from Harlingen to Washington, D.C. with flexible booking policies on momondo?
All flight searches from Harlingen to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Harlingen to Washington, D.C.?
Once you have performed a search for Harlingen to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Harlingen to Washington, D.C. right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Harlingen to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.