Cheap flights from Washington, D.C. Dulles Intl Airport to Harlingen from $317
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Harlingen departing on 5/20. 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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Cheap round-trip flights
United Airlines flights from Washington, D.C. Dulles Intl Airport to Harlingen, Texas
Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Harlingen, Texas flight tickets
American Airlines flights from Washington, D.C. Dulles Intl Airport to Harlingen, Texas
Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Harlingen, Texas flight tickets
See travel insights to Harlingen from
How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Harlingen, Texas
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 Harlingen, Texas?
The cheapest day to depart on your flight to Harlingen, Texas is on a Wednesday when prices can be found for as low as $389. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to Harlingen, Texas for around $567.
What is the cheapest time of day to depart on your flight to Harlingen, Texas?
Our most recent data shows that the best time of day to fly to Harlingen, Texas is in the morning. Flights from Washington, D.C. Dulles Intl Airport to Harlingen, Texas during this time can be as low as $444. Flights in the afternoon are often more expensive with an average ticket price of $485.
When to book flights from Washington, D.C. Dulles Intl Airport to Harlingen, Texas
Cheap Washington, D.C. Dulles Intl Airport to Harlingen, Texas (IAD to HRL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Harlingen, Texas
Best Price Found | $317 |
|---|---|
Fastest flight time | 5h 59m |
Direct flights | None |
Airports in Harlingen, Texas | 1 airport |
How far is Washington, D.C. Dulles Intl to Harlingen Valley Intl by plane?
Washington, D.C. Dulles Intl and Harlingen Valley Intl are 1465.2 mi apart from one another. Flights usually cover this in 5h 59m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Harlingen Valley Intl Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Harlingen Valley Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Harlingen Valley Intl Airport?
As of May 2025, there is 1 operator available to choose from for flights from Washington, D.C. Dulles Intl Airport to Harlingen Valley Intl Airport.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Harlingen Valley 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 Washington, D.C. Dulles Intl Airport to Harlingen Valley Intl Airport.
What documentation or ID do you need to fly to Harlingen Valley Intl Airport?
The travel and health documents you'll need for your trip to Harlingen Valley 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 Harlingen Valley 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 Washington, D.C. Dulles Intl Airport to Harlingen, Texas?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. Dulles Intl Airport to Harlingen, Texas is United Airlines (100% of total bookings).
Best airlines flying from Washington, D.C. Dulles Intl Airport to Harlingen, Texas
Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Harlingen, Texas with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $258 | Free Cancellation | Rating 7.4 8,710 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Harlingen?
Finding the right flight to Harlingen from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Harlingen quick and easy, saving you time and money.
Can I find flights from Washington, D.C. to Harlingen with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Washington, D.C. to Harlingen flights to just show those with flexible booking policies.
How can momondo help me find flights from Washington, D.C. to Harlingen?
Once all potential Washington, D.C. to Harlingen flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Washington, D.C. to Harlingen right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Harlingen from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.