Cheap flights from Dublin to Washington, D.C. from $346
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Washington, D.C. departing on 11/2. 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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TAP AIR PORTUGAL flights from Dublin to Washington, D.C. Dulles Intl Airport
Our best TAP AIR PORTUGAL deals on Dublin to Washington, D.C. Dulles Intl Airport flight tickets
Scandinavian Airlines flights from Dublin to Washington, D.C. Dulles Intl Airport
Our best Scandinavian Airlines deals on Dublin 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 Dublin 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 month to fly to Washington, D.C. Dulles Intl Airport?
In general, February is the cheapest month to fly from Dublin to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $461. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $503.
What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Our data shows that Monday 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 $629. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to Washington, D.C. Dulles Intl Airport for around $829.
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 Dublin in the evening is the least expensive time of day to depart. momondo users have found prices as low as $580 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $778 on average. Flights to Washington, D.C. Dulles Intl Airport from Dublin in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Dublin to Washington, D.C. Dulles Intl flight route?
Fly from Dublin to Washington, D.C. Dulles Intl for the best Dublin - Washington, D.C. Dulles Intl flight prices
How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?
You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Dublin when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $577 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Dublin for as low as $448 on momondo.
What cabin class options are available on Dublin to Washington, D.C. Dulles Intl flights?
There are 4 cabin classes available to choose from on Dublin to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Dublin to Washington, D.C. Dulles Intl?
Icelandair, TAP AIR PORTUGAL, and WestJet are the most popular carriers operating from Dublin to Washington, D.C. Dulles Intl
What airlines fly to Washington, D.C. Dulles Intl Airport?
Aer Lingus, United Airlines and Icelandair are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Dublin according to our data. Aer Lingus is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Dublin to Washington, D.C. Dulles Intl Airport on average per day?
As of June 2025, there are 11 flights per day flying from Dublin to Washington, D.C. Dulles Intl Airport. The most common time of day flights depart is 12:00PM, with 80% of flights taking off in the afternoon.
How many flights depart from Dublin to Washington, D.C. Dulles Intl Airport on average per week?
The number of flights available between Dublin and Washington, D.C. Dulles Intl Airport is 81 per week as of June 2025. The most frequent departure day is Thu, with 15% of weekly flights leaving on this day.
When to book flights from Dublin to Washington, D.C. Dulles Intl Airport
Cheap Dublin to Washington, D.C. Dulles Intl Airport (DUB to IAD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Dublin to Washington, D.C. Dulles Intl Airport
How far is Dublin to Washington, D.C. Dulles Intl by plane?
Dublin and Washington, D.C. Dulles Intl are 3393.9 mi apart from one another. Typically, this will take 7h 55m by plane in normal conditions.
When did momondo last update prices for flights from Dublin Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Dublin Airport to Washington, D.C. Dulles Intl Airport refresh daily.
How many operators does momondo search for flights from Dublin Airport to Washington, D.C. Dulles Intl Airport?
As of June 2025, there are 3 operators available to choose from for flights from Dublin Airport to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Dublin Airport to Washington, D.C. Dulles Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin 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 necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Dublin to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Dublin to Washington, D.C. Dulles Intl Airport is Boeing 757-200 (32.29% of total bookings). The next most popular plane models are Airbus A321neo (25.97%), Airbus A321-100/200 (11.91%), and Airbus A330-300 (9.78%).
What is the most popular airline from Dublin to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Dublin to Washington, D.C. Dulles Intl Airport is Aer Lingus, representing 61% of all bookings. The subsequent popular airlines are United Airlines at 27% and Icelandair at 12%.
Best airlines flying from Dublin to Washington, D.C. Dulles Intl Airport
Compare and see reviews for airlines that fly from Dublin to Washington, D.C. Dulles Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $425 | Free Cancellation | Rating 7.0 499 reviews | |||
| PriceFrom $446 | Free Cancellation | Rating 7.1 1,117 reviews | |||
| PriceFrom $569 | Free Cancellation | Rating 7.4 8,790 reviews |
United Airlines Flights From Dublin to Washington, D.C. Dulles Intl Airport
Across 14 United Airlines flights from Dublin to Washington, D.C. Dulles Intl Airport this week, the average price was $756, with the best United Airlines deals starting from $569 round-trip. 8,790 users have rated United Airlines on momondo, with an average score of 7.4/10.
Aer Lingus Flights From Dublin to Washington, D.C. Dulles Intl Airport
Aer Lingus (7.1/10 from 1,117 reviews) operates around 14 flights from Dublin to Washington, D.C. Dulles Intl Airport in any given week. The average Aer Lingus airfare for this route is around $626, with deals from around $446 rare but found on momondo. Referenced prices are for round-trip Dublin to Washington, D.C. Dulles Intl Airport flight searches in the last 72 hours.
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Why should I use momondo to find a flight deal from Dublin to Washington, D.C.?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Dublin to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Dublin to Washington, D.C. with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Washington, D.C. from Dublin with this policy.
How can momondo help me find flights from Dublin to Washington, D.C.?
Once you have performed a search for Dublin 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 Dublin to Washington, D.C. right now. Can momondo alert me if prices change?
Price alerts on flights to Washington, D.C. from Dublin are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.