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Cheap flights from Washington, D.C. Dulles Intl Airport to Cardiff from $739

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. Dulles Intl Airport to Cardiff departing on 3/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Cardiff

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. Dulles Intl Airport to Cardiff that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. Dulles Intl Airport to Cardiff.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. Dulles Intl Airport to Cardiff? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Cardiff, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington, D.C. Dulles Intl Airport to Cardiff

Find recent round-trip train or bus tickets from Washington, D.C. Dulles Intl Airport to Cardiff.

All round-trip flight deals to Cardiff

The cheapest plane tickets to Cardiff found on KAYAK recently.
6:35 pm - 9:50 amIAD-CWL
11h 15m1 stop
10:20 am - 3:35 pmCWL-IAD
33h 15m1 stop
$739KLM
Find Deal
Wed, Mar 19 - Sat, Mar 29
6:35 pm - 4:55 pmIAD-CWL
18h 20m1 stop
9:45 am - 3:35 pmCWL-IAD
10h 50m1 stop
$781KLM
Find Deal
Wed, Mar 19 - Mon, Mar 31
6:35 pm - 9:50 amIAD-CWL
11h 15m1 stop
9:45 am - 6:26 pmCWL-IAD
13h 41m2 stops
Wed, Mar 19 - Sun, Mar 30
7:50 pm - 9:50 amIAD-CWL
34h 00m2 stops
9:45 am - 3:35 pmCWL-IAD
10h 50m1 stop
$795Delta
Find Deal
Wed, Mar 19 - Wed, Apr 2
12:05 pm - 9:50 amIAD-CWL
16h 45m2 stops
10:20 am - 11:16 pmCWL-IAD
17h 56m2 stops
$796Delta
Find Deal
Thu, Feb 20 - Mon, Feb 24
5:25 pm - 4:45 pmIAD-CWL
18h 20m1 stop
9:45 am - 3:35 pmCWL-IAD
10h 50m1 stop
$797Air France
Find Deal
Thu, Apr 3 - Fri, Apr 11
6:35 pm - 9:50 amIAD-CWL
11h 15m1 stop
9:45 am - 6:26 pmCWL-IAD
13h 41m2 stops
Thu, Mar 20 - Wed, Apr 2
10:55 pm - 11:30 amIAD-CWL
32h 35m2 stops
12:00 pm - 8:30 pmCWL-IAD
37h 30m2 stops
$966Aer Lingus
Find Deal
Sat, Mar 22 - Tue, Apr 1
9:20 pm - 4:45 pmIAD-CWL
14h 25m2 stops
9:45 am - 7:10 pmCWL-IAD
14h 25m2 stops
$1,040Air France
Find Deal
Fri, Apr 4 - Fri, Apr 11
5:10 pm - 1:35 pmIAD-CWL
15h 25m1 stop
12:00 pm - 3:35 pmCWL-IAD
32h 35m2 stops
$1,514Aer Lingus
Find Deal
Thu, Feb 20 - Mon, Feb 24
IAD-CWL
3548 mimulti-stop
Multiple Airlines
Find Deal

KLM flights from Washington, D.C. Dulles Intl Airport to Cardiff

Our best KLM deals on Washington, D.C. Dulles Intl Airport to Cardiff flight tickets
KLM
Mar 19
IAD6:35 pmWashington, D.C. Dulles Intl
11h 15m
1 stop
CWL9:50 amCardiff Wales
Mar 29
CWL10:20 amCardiff Wales
33h 15m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
KLM
Mar 19
IAD6:35 pmWashington, D.C. Dulles Intl
18h 20m
1 stop
CWL4:55 pmCardiff Wales
Mar 31
CWL9:45 amCardiff Wales
10h 50m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
KLM
Mar 19
IAD6:35 pmWashington, D.C. Dulles Intl
18h 20m
1 stop
CWL4:55 pmCardiff Wales
Apr 3
CWL5:15 pmCardiff Wales
27h 20m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl

Delta flights from Washington, D.C. Dulles Intl Airport to Cardiff

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Cardiff flight tickets
Delta
Mar 19
IAD7:50 pmWashington, D.C. Dulles Intl
34h 00m
2 stops
CWL9:50 amCardiff Wales
Apr 2
CWL9:45 amCardiff Wales
10h 50m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
Delta
Feb 20
IAD12:05 pmWashington, D.C. Dulles Intl
16h 45m
2 stops
CWL9:50 amCardiff Wales
Feb 24
CWL10:20 amCardiff Wales
17h 56m
2 stops
IAD11:16 pmWashington, D.C. Dulles Intl
Delta
Apr 3
IAD12:30 pmWashington, D.C. Dulles Intl
15h 45m
2 stops
CWL9:15 amCardiff Wales
Apr 11
CWL9:45 amCardiff Wales
10h 50m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl

See travel insights to Cardiff from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Cardiff

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 Cardiff?

The cheapest day to depart on your flight to Cardiff is on a Saturday when prices can be found for as low as $0. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,072. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cardiff.

What is the cheapest time of day to depart on your flight to Cardiff?

Flying to Cardiff from Washington, D.C. Dulles Intl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $0 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $813 on average. Flights to Cardiff from Washington, D.C. Dulles Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Washington, D.C. Dulles Intl Airport to Cardiff

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

Cheap Washington, D.C. Dulles Intl Airport to Cardiff (IAD to CWL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Cardiff

Best Price Found

$739

Fastest flight time

9h 45m

Direct flights

None

Airports in Cardiff

1 airport
The best flight deal from Washington, D.C. Dulles Intl Airport to Cardiff found on momondo in the last 72 hours is $739
The fastest flight from Washington, D.C. Dulles Intl Airport to Cardiff takes 9h 45m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Cardiff. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - Cardiff Wales Airport.
There is 1 airport near Cardiff: Cardiff Wales (CWL)

  • How far is Washington, D.C. Dulles Intl to Cardiff Wales by plane?

    Cardiff Wales is 3552.6 mi away from Washington, D.C. Dulles Intl. In terms of flight time, this usually takes a little over 9h 45m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Cardiff Wales Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Cardiff Wales Airport refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Cardiff Wales Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Cardiff Wales Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Cardiff Wales Airport.

  • What documentation or ID do you need to fly to Cardiff Wales Airport?

    The necessary travel and health documents for your Cardiff Wales Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Cardiff?


Best airlines flying from Washington, D.C. Dulles Intl Airport to Cardiff

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Cardiff with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $716Free CancellationRating
8.0
8,755 reviews
Search Delta flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cardiff from Washington, D.C..

Can I find flights from Washington, D.C. to Cardiff with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Cardiff from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Cardiff?

Once you have performed a search for Washington, D.C. to Cardiff flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Cardiff right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Cardiff flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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