DCA - SNN

$386 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 1/14. 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

Tue, Nov 11 - Tue, Nov 18
American Airlines Logo
3:44 pm - 11:30 amDCA-SNN
14h 46m2 stops
American Airlines Logo
7:50 am - 7:08 pmSNN-DCA
16h 18m2 stops
$534American Airlines
Find Deal
Fri, Mar 27 - Thu, Apr 2
American Airlines Logo
6:59 pm - 11:30 amDCA-SNN
12h 31m2 stops
American Airlines Logo
7:40 am - 6:48 pmSNN-DCA
16h 08m2 stops
$634American Airlines
Find Deal
Sat, Nov 29 - Sat, Dec 6
Air Canada Logo
8:40 pm - 11:30 amDCA-SNN
33h 50m2 stops
Air Canada Logo
5:25 pm - 9:56 pmSNN-DCA
33h 31m2 stops
$657Air Canada
Find Deal
Sat, Nov 29 - Sat, Dec 6
Multiple Airlines Logo
4:10 pm - 11:30 amDCA-SNN
14h 20m2 stops
Multiple Airlines Logo
7:50 am - 9:56 pmSNN-DCA
19h 06m2 stops
$680Multiple Airlines
Find Deal
Wed, Nov 26 - Thu, Dec 4
Air Canada Logo
6:00 am - 4:45 pmDCA-SNN
29h 45m2 stops
Air Canada Logo
7:50 am - 10:26 amSNN-DCA
31h 36m2 stops
$689Air Canada
Find Deal
Thu, Nov 27 - Sat, Dec 6
Air Canada Logo
11:05 am - 11:30 amDCA-SNN
19h 25m2 stops
Air Canada Logo
7:50 am - 9:56 pmSNN-DCA
19h 06m2 stops
$719Air Canada
Find Deal
Fri, Nov 7 - Mon, Nov 10
American Airlines Logo
3:44 pm - 11:30 amDCA-SNN
14h 46m2 stops
American Airlines Logo
7:50 am - 9:30 pmSNN-DCA
18h 40m2 stops
$722American Airlines
Find Deal
Sat, Nov 29 - Sat, Dec 6
British Airways Logo
4:51 pm - 11:30 amDCA-SNN
13h 39m2 stops
British Airways Logo
2:00 pm - 10:00 pmSNN-DCA
13h 00m1 stop
$723British Airways
Find Deal
Sat, Nov 29 - Sat, Dec 6
Multiple Airlines Logo
4:10 pm - 4:45 pmDCA-SNN
19h 35m2 stops
Multiple Airlines Logo
7:50 am - 10:35 pmSNN-DCA
19h 45m3 stops
$726Multiple Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18
British Airways Logo
1:44 pm - 11:30 amDCA-SNN
16h 46m2 stops
British Airways Logo
2:00 pm - 9:30 pmSNN-DCA
12h 30m1 stop
$730British Airways
Find Deal

Everything you should know

Top airlines
American Airlines
Cheapest • from $534 (round-trip)
United Airlines
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Cheapest round-trip
$534
American Airlines
Tue 11/11Tue 11/18
DCA - SNN • 2 stops
Cheapest one-way
$386
Multiple Airlines
Wed 1/14
DCA - SNN • 3 stops
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Shannon!
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 ($534) and Air Canada ($657).

Which airlines fly non-stop between Washington, D.C. Reagan-National Airport and Shannon?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for round-trip flights from Washington, D.C. Reagan-National Airport to Shannon.

There are 2 airlines that fly nonstop from Washington, D.C. Reagan-National Airport to Shannon. They are American Airlines and United Airlines. The cheapest airline for this route is United Airlines, with the best round-trip deal found costing $685. On average, the best prices for this route can be found at United Airlines.

Good to know

Cheapest flight$386
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 $386 for a one-way ticket and $534 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?

    Star Alliance, and oneworld are the airline alliances operating flights between Reagan Washington National Airport and Shannon, with Star Alliance 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 8982 reviews
7.3Comfort
7.1Entertainment
8.1Crew
7.7Boarding
6.6Food
Airline reviews

During booking, I kept trying submitting my payment from the Mexican website and it didn't work. After I had the idea to change it to the Canadian website, it worked but I had to be charged the equivalent of 50 CAD more. I received the clear instruction that I would only be able to check-in at the airport and that it was impossible to select a seat 24 hours before departure, that I had to pay 144 CAD to do so, although not only was I able to check-in 24 hours before departure, but I could have selected my seats for free then. All in all, I almost threw $200 out the window due to misleading information. Besides, the app kept crashing, the information to get to the gate on the app was inaccurate, my gate was switched and I was only informed once in the air (luckily I had noticed the departure pannel), I was not addressed in my language beforehand and even if I tried I was immediately answered in English (which meant the crew understood but didn't want to answer accordingly), there was only one snack & beverage service on my medium haul flight and no beverage service on my short haul flight. To be fair, the planes were comfortable, the crew apart from the language issue was helpful, dynamic and engaging, the plane was clean and the directions were clear and direct. United has a lot of potential to be one of my favourite airlines, but the devil is in the details and a lot of them missed the target.

8.0 ExcellentMonsieur, Oct 2025IAD - EWR
Read more United Airlines reviews

During booking, I kept trying submitting my payment from the Mexican website and it didn't work. After I had the idea to change it to the Canadian website, it worked but I had to be charged the equivalent of 50 CAD more. I received the clear instruction that I would only be able to check-in at the airport and that it was impossible to select a seat 24 hours before departure, that I had to pay 144 CAD to do so, although not only was I able to check-in 24 hours before departure, but I could have selected my seats for free then. All in all, I almost threw $200 out the window due to misleading information. Besides, the app kept crashing, the information to get to the gate on the app was inaccurate, my gate was switched and I was only informed once in the air (luckily I had noticed the departure pannel), I was not addressed in my language beforehand and even if I tried I was immediately answered in English (which meant the crew understood but didn't want to answer accordingly), there was only one snack & beverage service on my medium haul flight and no beverage service on my short haul flight. To be fair, the planes were comfortable, the crew apart from the language issue was helpful, dynamic and engaging, the plane was clean and the directions were clear and direct. United has a lot of potential to be one of my favourite airlines, but the devil is in the details and a lot of them missed the target.

Better WiFi. I cannot understand that in 2025, United is so behind on a technology that is now a necessity and still painfully unreliable, slow and keeps disconnecting.

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.

A couple ladies from the crew were so rude and nasty. Thought they were mad at having to be there especially if you asked a question. This will make me think twice next time if I book a flight with you.

Delays to take off and to leave the plane after landing added a lot of time to this flight.

Poor seat in rear of aircraft Food at Admiral’s Club Terminal D at DFW inedible

Always seated jammed in rear of aircraft Admirals Club food at DFW terminal D was absolute worst food experience and I pay $600/year to eat this dried out junk

Flight was delayed because of a bird strike. They had another plane available within 45 minutes.

Mostly good. Flight was crowded but Airline personnel were very friendly & accommodating. It would be good to have savory snacks rather than just sweet Biscoff cookies.

It was a typical flight. We had a delay which seems to be the normality now. And we had no in flight service due to conditions.

Flight attendants on this flight were very attentive and friendly

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.

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.

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

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