DCA - DUB

$296 Find Cheap Flights from Reagan Washington National Airport to Dublin - Compare and Save

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 Dublin departing on 9/1. 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, 0 bags

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Dublin, 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 Dublin, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$641
Typical prices: $1,190-$771
JetBlue
Fri 8/14Sun 8/23
DCA - DUB • 1 stop
Cheapest one-way
$296
Aer Lingus
Tue 9/1
DCA - DUB • 1 stop
Top airlines
Cheapest • from $641 (round-trip)
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Reagan-National and Dublin. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $567 (round-trip)
Shortest trip • 9h 35m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 100% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Dublin!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Reagan-National to Dublin (DCA-DUB)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Reagan-National to Dublin 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 Dublin

Fri, Aug 14 - Sun, Aug 23
JetBlue Logo
8:55 pm - 8:20 am
DCA
-
DUB
30h 25m
1 stop
JetBlue Logo
10:40 am - 10:10 am
DUB
-
DCA
28h 30m
1 stop
$641JetBlue
Sat, Aug 15 - Sun, Aug 23
Aer Lingus Logo
11:00 am - 5:10 am
DCA
-
DUB
13h 10m
1 stop
Aer Lingus Logo
1:20 pm - 7:57 pm
DUB
-
DCA
11h 37m
1 stop
$653Aer Lingus
Sun, Aug 30 - Sun, Sep 6
JetBlue Logo
5:00 pm - 8:20 am
DCA
-
DUB
10h 20m
1 stop
JetBlue Logo
10:40 am - 5:56 pm
DUB
-
DCA
12h 16m
1 stop
$655JetBlue
Sat, Aug 22 - Wed, Aug 26
JetBlue Logo
2:15 pm - 8:20 am
DCA
-
DUB
13h 05m
1 stop
JetBlue Logo
10:40 am - 5:56 pm
DUB
-
DCA
12h 16m
1 stop
$659JetBlue
Sun, Jul 19 - Sun, Aug 2
JetBlue Logo
6:20 am - 9:00 am
DCA
-
DUB
21h 40m
1 stop
JetBlue Logo
10:40 am - 7:49 am
DUB
-
DCA
26h 09m
1 stop
$666JetBlue
Mon, Aug 24 - Fri, Aug 28
Multiple Airlines Logo
9:40 am - 10:45 am
DCA
-
DUB
20h 05m
2 stops
Multiple Airlines Logo
10:40 am - 9:48 pm
DUB
-
DCA
16h 08m
2 stops
$674Multiple Airlines
Mon, Aug 24 - Fri, Aug 28
Multiple Airlines Logo
11:00 am - 10:45 am
DCA
-
DUB
18h 45m
1 stop
Multiple Airlines Logo
10:40 am - 9:48 pm
DUB
-
DCA
16h 08m
2 stops
$676Multiple Airlines
Sat, Sep 5 - Sun, Sep 13
Aer Lingus Logo
11:00 am - 5:10 am
DCA
-
DUB
13h 10m
1 stop
Aer Lingus Logo
1:20 pm - 8:00 pm
DUB
-
DCA
11h 40m
1 stop
$680Aer Lingus
Fri, Sep 4 - Mon, Sep 7
Aer Lingus Logo
11:42 am - 5:10 am
DCA
-
DUB
12h 28m
1 stop
Aer Lingus Logo
1:20 pm - 7:57 pm
DUB
-
DCA
11h 37m
1 stop
$682Aer Lingus
Mon, Aug 10 - Wed, Aug 19
Multiple Airlines Logo
6:00 am - 9:20 am
DCA
-
DUB
22h 20m
2 stops
Multiple Airlines Logo
9:40 am - 9:48 pm
DUB
-
DCA
17h 08m
3 stops
$683Multiple Airlines
Booking Insights

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

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

How much is a round-trip flight from Washington, D.C. Reagan-National Airport to Dublin?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Washington, D.C. Reagan-National Airport to Dublin departing in August.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Dublin?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. Reagan-National Airport to Dublin, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. Reagan-National Airport to Dublin is January, where tickets cost $0 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is $1,105 and $900 respectively.

Good to know

Low seasonOctober
Cheapest flight$296
Best time to beat the crowds with an average 27% drop in price.
Flight from Reagan Washington National Airport to Dublin

When to book flights from Reagan-National to Dublin

Are your dates flexible? Find out the best times to travel from Reagan-National to Dublin 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 Dublin flights

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

    In the last 5 days, the lowest price for a flight from Washington, D.C. Reagan-National Airport to Dublin was $296 for a one-way ticket and $641 for a round-trip.

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

    Yes

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

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

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

    Star Alliance is the only airline alliance operating flights between Reagan Washington National Airport and Dublin.

  • Which is the best airline for flights from Washington, D.C. to Dublin, United Airlines or Aer Lingus?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Dublin are United Airlines and Aer Lingus. With an average price for the route of $827 and an overall rating of 7.4, United Airlines is the most popular choice. Aer Lingus is also a great choice for the route, with an average price of $590 and an overall rating of 7.3.

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

    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 Dublin.

  • 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 Dublin?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dublin 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 Dublin?

    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 Dublin with an airline and back to Reagan Washington National Airport with another airline. Booking your flights between Reagan Washington National Airport and DUB 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 Dublin?

    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 Dublin 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 3 airlines serving from Reagan-National to Dublin

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Dublin. 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 Dublin? 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 9858 reviews
8.1Crew
6.6Food
7.1Entertainment
7.7Boarding
7.3Comfort
Airline reviews

Like: departed and arrived on time. Unlike: Food options for purchase allways bad, 1 of 2 of the crew members not very friendly at all. Seats and leg room aweful. At this point I am thinking on switching to AA.

6.0 GoodEnrique, Jun 2026
IAD - LAX
Read more United Airlines reviews

Like: departed and arrived on time. Unlike: Food options for purchase allways bad, 1 of 2 of the crew members not very friendly at all. Seats and leg room aweful. At this point I am thinking on switching to AA.

Over 5 hour delay with minimal updates or ability to standby for alternative flights. During boarding and 1 hr+ wait for takeoff, seats were drenched w water from air conditioning condensation and always leftover crumbs on carpet and seats

Our flight was canceled same day and we were never informed. Had to pay more and worse seating on another airline.

Did not like that we couldn't complete check in on-line without providing pictures of our passports. Worry about identity theft. We had no delays and boarding was handled In an efficient manner.

Excellent! I got to Munich and was transferred to my Lufthansa flight quickly, in 15 to 20 minutes, so I did not miss my flight. However, I had checked my overhead bag at the boarding gate in Tampa. That got to Tunis the next day. That is to be expected.

WiFi didn’t exist , seats were super cramped, lights stayed on near my seat for a long time while others were dimmed, the food/trash/drink cart hit my shoulder at least a couple of times while moving, food options were down to just one option by the time it got to my row, the utensils were garbage (knife bent at a couple of places by the time I was done eating) the spoon was very flimsy plastic

Vegetarian selection could be better. Bread was too hard to chew.

Crew was friendly and competent. Food, wine, and entertainment were excellent except the raw tuna on the flight to Split. Recommend against serving that - at least as the only option. Many medical conditions do not allow people to eat raw fish.

After arriving in Chicago, we were taxiing for 1.5 hours with infrequent and untruthful updates about the amount of time it would take to arrive at the gate. Minimally, the team could have provided timing expectations that were more truthful, especially one their original expectations were not met.

United didn’t even try to hold the flight for me. They knew I had a tight connection and when I arrived at the gate less than 10 mins after final boarding the flight had already gone. The gate agent wasn’t even notified that I was on my way. She was told I wasn’t at the airport

Aer Lingus App never showed the gate and the board did not update until very close to the time the gate was due to close. Both planes departed late but no announcement was made which would have saved a run for the gate.

Flight delayed 45 minutes almost caused us to miss connection to transatlantic flight.

Vegetarian food options were pretty tasteless. Gob of rice with absolutely no protein, barely any vegetables, and poorly seasoned. Food was the major disappointment of an otherwise good flight experience. However, food is a differentiator on long haul flights.

We were an hour and a half late, which caused my rental car company to cancel my reservation. We had no car, had to take a taxi to our hotel, and then a taxi back to get a new car the next day. Sometimes lack of on-time performance can end up costing the passenger a lot of money, none of which is covered by the airline that operated the late flight.

Overall good experience. But seats were small and uncomfortable for the price. Good entertainment, staff friendly and attentive.

Flight was delayed no information given really . No food whatsoever on the plane . I think you should be able to put that on the app so people have a chance to buy food bring it with them . They said plane was very busy on way over but there should be enough for both flights as we pay full price for the service. No information or very slow on the app about the delays . Staff were lovely it’s not their fault so company not fare to passengers or staff .

Smooth quiet flight take off and landing both excellent. Food was mediocre. Boarding at gate was disorganized and unacceptable.

My only complaint is that during my 8-hour-long flight, the flight attendants came around with the coffee and tea cart twice instead of the alcoholic beverage cart. I would rather sleep on a plane than rush to the bathroom to take a dump. I asked the flight attendant if I could have a beer instead of coffee or tea. Unfortunately, she said the bar is closed. That tells me that she was too lazy to get me a beer on the plane. I was not happy about that.

Caring & friendly crew. Most important: got us SAFELY to our destination!

Friendly flight attendants, decent food if you can eat dairy.

I tried to book a flight with Jet Blue. Your third party company hijacked my attempt with a website that looked like I was booking with Jet Blue. I realized it when I paid. I tried to cancel and was told by a man in India that there were no refunds. $735 stolen, Thanks Kayak!

It was inexplicably canceled and we are stuck in LA, haven't gotten home and it has been an inconvenience having lost work (on unpaid leave for my husband).

I like everything. Blythe at DCA is the absolute best!

JetBlue worker, Blythe, was so amazing at the DCA counter. If it wasn’t for her, I’m not sure we would’ve made it through. Please thank her!

They lost my luggage and refuse to help. Terrible airline. I've never experienced worse customer service in my life. Pretty much just told me too bad that I lost all my luggage, not caring that I am stuck in Europe for 2 weeks with absolutely nothing.

You should have had Wifi to make it much enjoyable.

The flight out was delayed from 3:40pm to 5pm and again to 8pm. We boarded after 5pm, had to disembark because they could not get the Engine started, then we switched gates and got a new plane and did not board until after 8pm.

The flight was delayed after already taxiing from the gate due to a malfunction. After 3 hours we were told the flight was canceled. The next flight available was Sunday. My daughter and I stayed overnight in the airport due to this issue. I was given a $12 meal voucher. Unacceptable

Whole experience was poor. Delayed 2 hours. Lied about the delays. Was all jet blues fault and tried to blame on air traffic control. Sent out other let trips and wouldn't allow people to switch aircraft.

My bag was not loaded on my flight. it was not communicated to me until i was waiting for my bag at my destination. there was no confirmation of when my bag was arriving and no way to track it.

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

Information on your arrival and departure airports