Cheap flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros from $175
This is the cheapest one-way 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 Santiago de los Caballeros departing on 5/29. 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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Frontier flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros
Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros flight tickets
American Airlines flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros
Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros flight tickets
See travel insights to Santiago de los Caballeros from
How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros
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 month to fly to Santiago de los Caballeros?
The cheapest month to fly to Santiago de los Caballeros from Washington, D.C. Dulles Intl Airport is in November. Flight prices, which tend to average around $453, are often lower during this time because this is during the off-season. If you aren’t able to travel to Santiago de los Caballeros during the month of November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $465.
What is the cheapest day to depart on your flight to Santiago de los Caballeros?
The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros is on a Sunday when prices can be found for as low as $475. 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 Santiago de los Caballeros for around $614.
What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Santiago de los Caballeros?
Frontier, United Airlines, and Delta are the most popular carriers operating from Washington, D.C. Dulles Intl to Santiago de los Caballeros
What airlines fly to Santiago de los Caballeros?
Copa Airlines, United Airlines and Delta are the top three most popular airlines that fly to Santiago de los Caballeros from Washington, D.C. Dulles Intl Airport according to our data. Copa Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Santiago de los Caballeros. Keep in mind that there are 4 different airlines that fly to Santiago de los Caballeros on a routine basis, so you have a few additional options to choose from.
When to book flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros
Cheap Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros (IAD to STI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros
Best Price Found | $175 |
|---|---|
Fastest flight time | 6h 12m |
Direct flights | None |
Airports in Santiago de los Caballeros | 1 airport |
How far is Washington, D.C. Dulles Intl to Santiago de los Caballeros by plane?
A flight from Washington, D.C. Dulles Intl to Santiago de los Caballeros will travel around 1405.2 mi. Typically, this will take 6h 12m by plane in normal conditions.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros Airport are updated daily.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros Airport?
As of May 2025, there is 1 operator available to choose from for flights from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros Airport.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros Airport.
What documentation or ID do you need to fly to Santiago de los Caballeros Airport?
The travel and health documents required for your trip to Santiago de los Caballeros Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Santiago de los Caballeros Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Santiago de los Caballeros, the leading airline is United Airlines, making up 100% of the total bookings.
Best airlines flying from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros
Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Santiago de los Caballeros with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $446 | Free Cancellation | Rating 7.4 8,696 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Santiago de los Caballeros?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Santiago de los Caballeros. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Washington, D.C. to Santiago de los Caballeros with flexible booking policies on momondo?
All flight searches from Washington, D.C. to Santiago de los Caballeros on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Washington, D.C. to Santiago de los Caballeros?
momondo provides multiple filters to help you find the best flight to Santiago de los Caballeros from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Washington, D.C. to Santiago de los Caballeros right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Washington, D.C. to Santiago de los Caballeros now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Santiago de los Caballeros and let you know when they change.