Cheap flights from Washington, D.C. Dulles Intl Airport to Shannon from $239
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 Shannon departing on 7/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Shannon
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
British Airways flights from Washington, D.C. Dulles Intl Airport to Shannon, Clare
Our best British Airways deals on Washington, D.C. Dulles Intl Airport to Shannon, Clare flight tickets
American Airlines flights from Washington, D.C. Dulles Intl Airport to Shannon, Clare
Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Shannon, Clare flight tickets
See travel insights to Shannon from
How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Shannon, Clare
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 Shannon, Clare?
The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Shannon, Clare is on a Monday when prices can be found for as low as $833. The most expensive day to fly to Shannon, Clare is Wednesday, with ticket prices averaging around $1,146.
What is the cheapest time of day to depart on your flight to Shannon, Clare?
Our data shows that the cheapest Washington, D.C. Dulles Intl Airport to Shannon, Clare flights are usually those with departure times in the morning. Our users have found flights to Shannon, Clare in the morning for as low as $933. Flights at noon are often more expensive with an average ticket price of $1,177.
What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Shannon?
United Airlines and Aer Lingus are the most popular carriers operating from Washington, D.C. Dulles Intl to Shannon
What airlines fly to Shannon, Clare?
American Airlines, KLM and United Airlines are the top three most popular airlines that fly to Shannon, Clare from Washington, D.C. Dulles Intl Airport according to our data. American Airlines is the first choice among our users, with 28% of people opting to fly with this airline when traveling to Shannon, Clare. Keep in mind that there are 5 different airlines that fly to Shannon, Clare 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 Shannon, Clare
Cheap Washington, D.C. Dulles Intl Airport to Shannon, Clare (IAD to SNN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Shannon, Clare
How far is Washington, D.C. Dulles Intl to Shannon by plane?
There are 3298.1 mi between Washington, D.C. Dulles Intl and Shannon. In terms of flight time, this usually takes a little over 9h 37m.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Shannon Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Shannon Airport are updated daily.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Shannon Airport?
As of July 2025, there are 5 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Shannon Airport.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Shannon 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 Shannon Airport.
What documentation or ID do you need to fly to Shannon Airport?
The required travel and health documents for your Shannon Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Shannon Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Shannon, Clare?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Shannon, Clare, the leading airline is KLM, making up 26% of the total bookings. Other popular airlines include United Airlines with 24%, Delta with 22%, and British Airways with 15%.
Best airlines flying from Washington, D.C. Dulles Intl Airport to Shannon, Clare
Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Shannon, Clare with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $643 | Free Cancellation | Rating 7.8 1,366 reviews | |||
| PriceFrom $644 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $646 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $733 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $796 | Free Cancellation | Rating 6.6 7,089 reviews |
Traveling to a place near Shannon?
Book flights to Shannon if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Shannon?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Shannon from Washington, D.C..
Can I find flights from Washington, D.C. to Shannon with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Shannon from Washington, D.C. with this policy.
How can momondo help me find flights from Washington, D.C. to Shannon?
Once you have performed a search for Washington, D.C. to Shannon 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 Washington, D.C. to Shannon right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Washington, D.C. to Shannon flights. All you need is a valid email address and we will do the rest; it is that quick and easy.