DCA - SNN

$328 Find Cheap Flights from Reagan Washington National Airport to Shannon

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Reagan-National to Shannon departing on 9/27. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Shannon

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Shannon, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Shannon, as well as popular online travel agencies
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Cheap Flights from Reagan-National to Shannon (DCA-SNN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Reagan-National to Shannon that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Reagan-National to Shannon

Sun, Oct 19 - Tue, Nov 4
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
Wed, Oct 15 - Wed, Oct 22
American Airlines Logo
5:30 pm - 11:20 amDCA-SNN
12h 50m2 stops
American Airlines Logo
7:40 am - 7:59 pmSNN-DCA
17h 19m2 stops
$678American Airlines
Find Deal
Fri, Oct 17 - Fri, Oct 24
American Airlines Logo
3:10 pm - 11:20 amDCA-SNN
15h 10m2 stops
American Airlines Logo
7:40 am - 7:59 pmSNN-DCA
17h 19m2 stops
$687American 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 - 5:47 pmSNN-DCA
10h 17m1 stop
$725United Airlines
Find Deal
Fri, Oct 17 - Sat, Oct 25
United Airlines Logo
7:00 pm - 10:15 amDCA-SNN
10h 15m1 stop
United Airlines Logo
12:30 pm - 8:36 pmSNN-DCA
13h 06m1 stop
$800United Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 30
 Logo
4:35 pm - 8:35 pmDCA-SNN
23h 00m2 stops
 Logo
9:15 pm - 3:51 pmSNN-DCA
23h 36m2 stops
Tue, Sep 23 - Tue, Sep 30
 Logo
11:00 am - 4:10 pmDCA-SNN
24h 10m3 stops
 Logo
9:15 pm - 3:51 pmSNN-DCA
23h 36m2 stops
Sat, Oct 25 - Sun, Nov 2
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
Fri, Oct 17 - Sat, Oct 25
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
Sat, Oct 25 - Wed, Oct 29
Air Canada Logo
6:00 am - 12:30 pmDCA-SNN
25h 30m2 stops
Air Canada Logo
7:50 am - 9:56 pmSNN-DCA
18h 06m3 stops
$1,112Air Canada
Find Deal
Booking Insights

KAYAK's insights & trends for Reagan-National to Shannon flights

Get data-powered insights and trends into flights from Reagan-National to Shannon to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Reagan Washington National Airport to Shannon?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Reagan Washington National Airport to Shannon were found on American Airlines ($667) and United Airlines ($725).

Good to know

Cheapest flight$328
Flight from Reagan Washington National Airport to Shannon

When to book flights from Reagan-National to Shannon

Are your dates flexible? Find out the best times to travel from Reagan-National to Shannon based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Reagan Washington National Airport to Shannon flights

  • What is the cheapest flight from Washington, D.C. Reagan-National Airport to Shannon?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Reagan-National Airport to Shannon was $328 for a one-way ticket and $667 for a round-trip.

  • Do I need a passport to fly between Reagan Washington National Airport and Shannon?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Reagan Washington National Airport and on arrival in Shannon.

  • Which aircraft models fly most regularly from Reagan Washington National Airport to Shannon?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Reagan Washington National Airport to Shannon?

    oneworld, and Star Alliance are the airline alliances operating flights between Reagan Washington National Airport and Shannon, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Washington, D.C. to Shannon, United Airlines or American Airlines?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Shannon are United Airlines and American Airlines. With an average price for the route of $892 and an overall rating of 7.4, United Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of $996 and an overall rating of 7.2.

  • How does KAYAK find such low prices on flights from Reagan Washington National Airport to Shannon?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Reagan Washington National Airport to Shannon.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Reagan Washington National Airport to Shannon?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Shannon from Reagan Washington National Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Reagan Washington National Airport to Shannon?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Shannon with an airline and back to Reagan Washington National Airport with another airline. Booking your flights between Reagan Washington National Airport and SNN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Reagan Washington National Airport to Shannon?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Shannon from Reagan Washington National Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Reagan-National to Shannon

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Shannon. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Reagan-National to Shannon? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 8937 reviews
6.6Food
7.7Boarding
7.3Comfort
8.1Crew
7.1Entertainment
Airline reviews

IAD with the archaic people movers is just a place to be avoided.

10.0 ExcellentThomas, Aug 2025CMH - IAD
Read more United Airlines reviews

IAD with the archaic people movers is just a place to be avoided.

Great service on board. Boarding a bit slow due to process. Food was pretty average.

Very small cramped plane for an international flight. Everything else was good, but it was maybe the smallest comfort-wise I've ever been on for longer than 3-4 hours and the trip was 7.5

Flight was delayed 3 hours. No food and drink vouchers was provided. They offered a mini pretzel bag and water .

Staff was rude. Didn’t give water for 2 hours. Worst service

Was on time until within 1 hour of flight-how does that happen? Staff very friendly.

I liked the choice of lemon ginger tea. I think stewardesses can be more considerate of older people needs.

We were given vouchers we couldn’t use with a 5.5 hour delay

I fly UAL 7-8 times per year. This flight was not up to snuff because it boarded very late "due to unexpected delays in restocking the plane" and yet Flight Aware showed the plane had landed some 10 hours earlier--so I think they could have planned accordingly. The FA's were nice but harried. The video system had to be rebooted 3-4 times. The food service was rather abrupt; they forgot my row and when I asked for my meal, they brought it with some impatience. Overall, the flight was fine, but the little details made it feel somewhat mundane and hurried.

I didn’t get on plane. Passport being processed by consulate with visa application. Tried to cancel through underpricer after purchasing cacelling for any reason. No dice, they are thieves.

Don’t know they cancelled the flight day before I was to leave. They sent a email at 9:00 pm at night saying they cancelled. That is the smooth way to say we don’t want your business! I think they didn’t have enough people booking so they cancelled the flight! It’s all about the money anymore there is no honesty in business.

Having to reschedule flights a day later, they loaded by luggage on the wrong plane from Little rock now I have to HOPE they deliver it to where im staying like they said would. International flight crew was very disgruntled and not very friendly.

We will be writing a long, detailed letter to corporate about our awful experience with American airlines.

It took way too long to diagnose and solve the problem of a broken crew member cabin seat. Though compensation for the volunteer who left the flight was very kind.

The entertainment package was vast and the selections were very current. Keep updating it was great.

The seat was so hard my tailbone was aching The crew was kind of a b**** because I made a joke that I didn't care if they close the door I total c*** when she was trying to f****** act like she was mad at me because I said that The flight was bumpy. Sure you didnt have control over that.

Our bags took a long time to get unloaded once we landed.

Boarding: Boarding was a bit of a mess. Our tickets indicated "BC" for Business Class, but we and many others were confused as that was not indicated anywhere in the airport, so we didn't know when we're supposed to board. The airplane: The airplane was nice. However, we sat near the back of the business class cabin and the flight attendants and passengers from other cabins would constantly move the curtain (which was very loud), preventing me from fallling asleep on my 8 hour flight. The flight crew: Amazing, generally. However, they nearly forgot to serve breakfast to me. The flight food: I was able to select my meal for dinner, which was really good. Breakfast was a bit of a mess, however. The crew forgot to serve me breakfast until the last minute. Very little was available by the time they remembered. The entertainment: Paltry, underwhelming, and dated. Not one new movie was available. Bottom line: For the money, you might want to consider other options for your international business class flights.

We fly American Airlines quite a bit. And we always fly business class when traveling internationally. We were a bit disappointed with the comfort of this particular plane as well as the entertainment options.

Flight was delayed not sure why no explanation given and no apologies either. Otherwise the flight was fine

Everything you need to know for your flight from Reagan-National to Shannon

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