Cheap flights from Washington, D.C. to Shannon from $378
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. to Shannon departing on 3/15. 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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Use the filters below to find and compare flights from Washington, D.C. to Shannon, Clare that are best for you.
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Sun 4/4
10:10 pm-10:15 am
1 stop31h 05m
Shannon
Thu 4/8
12:30 pm-11:00 pm
1 stop15h 30m
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Sun 11/8
7:40 pm-11:35 pm
3 stops22h 55m
Shannon
Fri 11/20
9:25 am-3:15 pm
2 stops34h 50m
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Sun 11/8
7:40 pm-7:45 pm
2 stops19h 05m
Shannon
Fri 11/20
9:25 am-3:15 pm
2 stops34h 50m
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Sun 11/8
9:55 am-11:30 am
2 stops20h 35m
Shannon
Tue 11/24
7:50 am-8:23 pm
2 stops17h 33m
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Wed 11/18
9:55 am-1:50 pm
2 stops22h 55m
Shannon
Wed 11/25
10:15 am-3:15 pm
3 stops34h 00m
BaltimoreShannon
BWI Baltimore/Washington - SNN Shannon
BWISNN
Baltimore/Washington
Sun 4/4
12:55 pm-10:15 am
2 stops40h 20m
Shannon
Thu 4/8
12:30 pm-10:27 am
2 stops26h 57m
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Sun 11/8
6:05 pm-4:45 pm
1 stop17h 40m
Shannon
Fri 11/20
2:00 pm-8:59 am
2 stops23h 59m
Washington, D.C.Shannon
DCA Washington, D.C. Reagan-National - SNN Shannon
DCASNN
Washington, D.C. Reagan-National
Sun 4/4
11:57 am-6:00 am
2 stops13h 03m
Shannon
Thu 4/8
1:45 pm-10:15 pm
1 stop13h 30m
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Fri 3/5
9:45 pm-3:45 pm
1 stop13h 00m
Shannon
Sat 3/13
2:40 pm-1:52 pm
2 stops28h 12m
Washington, D.C.Shannon
IAD Washington, D.C. Dulles Intl - SNN Shannon
IADSNN
Washington, D.C. Dulles Intl
Fri 11/20
9:33 am-6:10 am
2 stops15h 37m
Shannon
Fri 11/27
2:00 pm-8:59 am
2 stops23h 59m
See travel insights to Shannon from
How to get the cheapest flight ticket from Washington, D.C. 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 airline that flies from Washington, D.C. to Shannon?
Aer Lingus, United Airlines, and British Airways are the most popular carriers operating from Washington, D.C. to Shannon
What airlines fly to Shannon, Clare?
Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Shannon, Clare from Washington, D.C. according to our data. Delta is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Shannon, Clare. Keep in mind that there are 3 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. to Shannon, Clare
Cheap Washington, D.C. to Shannon, Clare (WAS to SNN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Shannon, Clare
Frequently asked questions about flying from Washington, D.C. to Shannon, Clare
How far is Washington, D.C. to Shannon by plane?
The distance between Washington, D.C. and Shannon is about 3283.1 mi. By plane, this route typically takes 8h 30m.
When did momondo last update prices for flights from Washington, D.C. to Shannon Airport?
Prices for flights from Washington, D.C. to Shannon Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Shannon Airport?
The number of operators available for flights from Washington, D.C. to Shannon Airport is 3 as of October 2026.
How old do you have to be to fly from Washington, D.C. to Shannon 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 Washington, D.C. to Shannon Airport.
What documentation or ID do you need to fly to Shannon Airport?
The travel and health documents you'll need for your trip to Shannon 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 Shannon 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. to Shannon, Clare?
Based on momondo bookings for flights between Washington, D.C. and Shannon, Clare, the leading airline is United Airlines, making up 63% of the total bookings. Other popular airlines include Delta with 37%.
Best airlines flying from Washington, D.C. to Shannon, Clare
Compare and see reviews for airlines that fly from Washington, D.C. to Shannon, Clare with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $489 | Free Cancellation | Rating 7.0 12,146 reviews | |||
| PriceFrom $681 | Free Cancellation | Rating 7.8 8,646 reviews | |||
| PriceFrom $753 | Free Cancellation | Rating 7.4 10,322 reviews |
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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?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Shannon. momondo saves you time and could save you money on your trip.
Can I find flights from Washington, D.C. to Shannon with flexible booking policies on momondo?
Yes. All flights to Shannon from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Washington, D.C. to Shannon?
Once all potential Washington, D.C. to Shannon 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 Shannon right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Washington, D.C. to Shannon now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Shannon and let you know when they change.