$1,737+ Cheap flights from Cardiff (CWL) to District of Columbia
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — IAD
Jan 3 — Jan 101
1 adult, Economy
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Best flights from Cardiff to District of ColumbiaDiscover carefully curated flight deals from Cardiff to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.
Discover carefully curated flight deals from Cardiff to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.
This Air France deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/210:20 amCWL - IAD
2 stops18h 52mMultiple Airlines
Sun 1/46:05 pmIAD - CWL
1 stop10h 45mMultiple Airlines
Deal found 12/3![Multiple Airlines logo]()
$1,737
This TravelUp deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/210:20 amCWL - DCA
2 stops36h 29mVirgin Atlantic
Sun 1/47:55 pmDCA - CWL
2 stops32h 55mVirgin Atlantic
Deal found 12/3![Virgin Atlantic logo]()
$2,234
This Trip.com deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/25:15 pmCWL - IAD
1 stop27h 50mKLM
Sun 1/46:05 pmIAD - CWL
1 stop17h 40mKLM
Deal found 12/3![KLM logo]()
$2,426
This Mytrip deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/25:15 pmCWL - DCA
3 stops31h 32mMultiple Airlines
Sun 1/46:00 amDCA - CWL
3 stops29h 45mMultiple Airlines
Deal found 12/3![Multiple Airlines logo]()
$2,922
Find flight deals from Cardiff to District of Columbia
Keep the following information in mind while searching for Cardiff to District of Columbia flight deals. Data was last updated December 4, 2025.
Round-trip from | $786 (Delta) |
|---|
Cheapflights Fare Finder
Customize your flight search to find flights from Cardiff to District of Columbia 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, Cheapflights users made 2,558,603 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from Cardiff to District of Columbia that are best for you.
Fly from
Cardiff
Fly to
District of Columbia
Route
Depart
Return
Price
CardiffWashington, D.C.
CWL - IAD
CWLIAD
Cardiff Wales
Fri 1/2
10:20 am-12:12 am
2 stops18h 52m
Washington, D.C. Dulles Intl
Sun 1/4
6:05 pm-9:50 am
1 stop10h 45m
$1,737
CardiffWashington, D.C.
CWL - DCA
CWLDCA
Cardiff Wales
Fri 1/2
10:20 am-5:49 pm
2 stops36h 29m
Washington, D.C. Reagan-National
Sun 1/4
7:55 pm-9:50 am
2 stops32h 55m
$2,234
CardiffWashington, D.C.
CWL - IAD
CWLIAD
Cardiff Wales
Fri 1/2
5:15 pm-4:05 pm
1 stop27h 50m
Washington, D.C. Dulles Intl
Sun 1/4
6:05 pm-4:45 pm
1 stop17h 40m
$2,426
CardiffWashington, D.C.
CWL - DCA
CWLDCA
Cardiff Wales
Fri 1/2
5:15 pm-7:47 pm
3 stops31h 32m
Washington, D.C. Reagan-National
Sun 1/4
6:00 am-4:45 pm
3 stops29h 45m
$2,922
Best time to book a flight from Cardiff to District of Columbia
Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Cardiff with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Cardiff to District of Columbia
What is the cheapest month to book a flight from Cardiff to District of Columbia?
Currently, November is the cheapest month in which you can book a flight from Cardiff to District of Columbia (average of $688). Flying from Cardiff to District of Columbia in July is currently the most expensive (average of $1,078). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.