Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Reagan-National Airport to Shannon from $667

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. Reagan-National Airport to Shannon departing on 10/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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.
Search flight deals

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Shannon

Cheap round-trip flights

American Airlines Logo
5:30 pm - 11:20 amDCA-SNN
12h 50m2 stops
American Airlines Logo
7:50 am - 7:08 pmSNN-DCA
16h 18m2 stops
$667American Airlines
Find Deal
Sun, Oct 19 - Tue, Nov 4
American Airlines Logo
3:59 pm - 11:20 amDCA-SNN
14h 21m2 stops
American Airlines Logo
7:40 am - 10:00 pmSNN-DCA
19h 20m2 stops
$678American Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
United Airlines Logo
7:00 pm - 10:15 amDCA-SNN
10h 15m1 stop
United Airlines Logo
12:30 pm - 5:47 pmSNN-DCA
10h 17m1 stop
$725United Airlines
Find Deal
Thu, Oct 16 - Thu, Oct 23
United Airlines Logo
7:00 pm - 10:15 amDCA-SNN
10h 15m1 stop
United Airlines Logo
12:30 pm - 8:06 pmSNN-DCA
12h 36m1 stop
$726United Airlines
Find Deal
Mon, Oct 13 - Mon, Oct 20
American Airlines Logo
3:59 pm - 11:20 amDCA-SNN
14h 21m2 stops
American Airlines Logo
7:40 am - 10:00 pmSNN-DCA
19h 20m2 stops
$738American Airlines
Find Deal
Mon, Oct 13 - Mon, Oct 20
British Airways Logo
5:49 pm - 11:30 amDCA-SNN
12h 41m2 stops
British Airways Logo
7:50 am - 7:14 pmSNN-DCA
16h 24m2 stops
$850British Airways
Find Deal
Tue, Feb 3 - Sun, Feb 8
British Airways Logo
5:30 pm - 12:30 pmDCA-SNN
14h 00m2 stops
British Airways Logo
2:00 pm - 9:30 pmSNN-DCA
12h 30m1 stop
$884British Airways
Find Deal
Sat, Oct 25 - Sun, Nov 2
Logo
8:40 pm - 8:35 pmDCA-SNN
18h 55m2 stops
Logo
7:40 am - 10:34 pmSNN-DCA
19h 54m2 stops
$986
Find Deal
Thu, Sep 18 - Tue, Sep 23
Logo
8:40 pm - 8:35 pmDCA-SNN
18h 55m2 stops
Logo
9:15 pm - 3:51 pmSNN-DCA
23h 36m3 stops
$998
Find Deal
Thu, Sep 18 - Tue, Sep 23
Air Canada Logo
4:35 pm - 3:50 pmDCA-SNN
18h 15m2 stops
Air Canada Logo
7:40 am - 10:34 pmSNN-DCA
19h 54m3 stops
$1,004Air Canada
Find Deal
Fri, Oct 17 - Sat, Oct 25

American Airlines flights from Washington, D.C. Reagan-National Airport to Shannon, Clare

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Shannon, Clare flight tickets
American Airlines
Oct 19
DCA5:30 pmWashington, D.C. Reagan-National
12h 50m
2 stops
SNN11:20 amShannon
Nov 4
SNN7:50 amShannon
16h 18m
2 stops
DCA7:08 pmWashington, D.C. Reagan-National
$667
Find similar
American Airlines
Oct 14
DCA3:59 pmWashington, D.C. Reagan-National
14h 21m
2 stops
SNN11:20 amShannon
Oct 21
SNN7:40 amShannon
19h 20m
2 stops
DCA10:00 pmWashington, D.C. Reagan-National
$678
Find similar
American Airlines
Oct 13
DCA3:59 pmWashington, D.C. Reagan-National
14h 21m
2 stops
SNN11:20 amShannon
Oct 20
SNN7:40 amShannon
19h 20m
2 stops
DCA10:00 pmWashington, D.C. Reagan-National
$738
Find similar

United Airlines flights from Washington, D.C. Reagan-National Airport to Shannon, Clare

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Shannon, Clare flight tickets
United Airlines
Oct 16
DCA7:00 pmWashington, D.C. Reagan-National
10h 15m
1 stop
SNN10:15 amShannon
Oct 23
SNN12:30 pmShannon
10h 17m
1 stop
DCA5:47 pmWashington, D.C. Reagan-National
$725
Find similar
United Airlines
Oct 13
DCA7:00 pmWashington, D.C. Reagan-National
10h 15m
1 stop
SNN10:15 amShannon
Oct 20
SNN12:30 pmShannon
12h 36m
1 stop
DCA8:06 pmWashington, D.C. Reagan-National
$726
Find similar
United Airlines
Oct 10
DCA7:00 pmWashington, D.C. Reagan-National
10h 15m
1 stop
SNN10:15 amShannon
Oct 14
SNN12:30 pmShannon
10h 17m
1 stop
DCA5:47 pmWashington, D.C. Reagan-National
$782
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Shannon, Clare that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 1, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Shannon, Clare that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 10/19

5:30 pm-11:20 am

2 stops12h 50m

Shannon

Tue 11/4

7:50 am-7:08 pm

2 stops16h 18m

$667

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 10/14

3:59 pm-11:20 am

2 stops14h 21m

Shannon

Tue 10/21

7:40 am-10:00 pm

2 stops19h 20m

$678

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Thu 10/16

7:00 pm-10:15 am

1 stop10h 15m

Shannon

Thu 10/23

12:30 pm-5:47 pm

1 stop10h 17m

$725

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 10/13

7:00 pm-10:15 am

1 stop10h 15m

Shannon

Mon 10/20

12:30 pm-8:06 pm

1 stop12h 36m

$726

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 10/13

3:59 pm-11:20 am

2 stops14h 21m

Shannon

Mon 10/20

7:40 am-10:00 pm

2 stops19h 20m

$738

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 2/3

5:49 pm-11:30 am

2 stops12h 41m

Shannon

Sun 2/8

7:50 am-7:14 pm

2 stops16h 24m

$850

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sat 10/25

5:30 pm-12:30 pm

2 stops14h 00m

Shannon

Sun 11/2

2:00 pm-9:30 pm

1 stop12h 30m

$884

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Thu 9/18

8:40 pm-8:35 pm

2 stops18h 55m

Shannon

Tue 9/23

7:40 am-10:34 pm

2 stops19h 54m

$986

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Thu 9/18

8:40 pm-8:35 pm

2 stops18h 55m

Shannon

Tue 9/23

9:15 pm-3:51 pm

3 stops23h 36m

$998

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Fri 10/17

4:35 pm-3:50 pm

2 stops18h 15m

Shannon

Sat 10/25

7:40 am-10:34 pm

3 stops19h 54m

$1,004

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

See travel insights to Shannon from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National 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. Reagan-National 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. Reagan-National 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.

When to book flights from Washington, D.C. Reagan-National Airport to Shannon, Clare

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Shannon, Clare according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Shannon, Clare (DCA to SNN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Shannon, Clare

Direct flights

None
There are no direct flights from Washington, D.C. Reagan-National Airport to Shannon, Clare. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Shannon, Clare.
Search flight deals

  • How far is Washington, D.C. Reagan-National to Shannon by plane?

    Shannon is 3285.6 mi away from Washington, D.C. Reagan-National. 9h 33m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Shannon Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Shannon Airport were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Shannon Airport?

  • How old do you have to be to fly from Washington, D.C. Reagan-National 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. Reagan-National 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. Reagan-National Airport to Shannon, Clare?

Best airlines flying from Washington, D.C. Reagan-National Airport to Shannon, Clare

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Shannon, Clare with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $685Free CancellationRating
7.4
8,936 reviews
Search United Airlines flights
American AirlinesPriceFrom $790Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Shannon?

Book flights to Shannon if you plan to visit one of these locations
Limerick
Ennis
Adare
Bunratty
Lahinch
Nenagh

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Shannon?

It is quick and easy to find Washington, D.C. to Shannon flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Shannon that suits you.

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 in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Shannon from Washington, D.C..

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.

An easier way to manage your Shannon, Clare trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 9/6
Sat 9/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland