$762+ Cheap flights from Washington, D.C. (WAS) to Cardiff (CWL)
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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Washington, D.C. to Cardiff with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Washington, D.C. to Cardiff
Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Cardiff (CWL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $762 (Virgin Atlantic) |
Find flight deals from Washington, D.C. to Cardiff
Cheapest flights from Washington, D.C. to CardiffExplore the most affordable flight options available from Washington, D.C. to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.
Explore the most affordable flight options available from Washington, D.C. to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.
This Virgin Atlantic deal was found by Cheapflights users on 1/21. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This KLM deal was found by Cheapflights users on 1/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 1/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 1/21. 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.
This Ovago deal was found by Cheapflights users on 1/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Ovago deal was found by Cheapflights users on 1/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air France deal was found by Cheapflights users on 1/20. 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.
This KLM deal was found by Cheapflights users on 1/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 1/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Aeromexico deal was found by Cheapflights users on 1/21. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from Washington, D.C. to Cardiff within your budget
Customize your flight search to find flights from Washington, D.C. to Cardiff 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 January 21, 2025.
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Cardiff
IAD - CWL
IADCWL
Washington, D.C. Dulles Intl
Wed 3/5
5:35 pm-4:55 pm
1 stop18h 20m
Cardiff Wales
Wed 3/12
5:25 pm-4:45 pm
1 stop27h 20m
Washington, D.C.Cardiff
IAD - CWL
IADCWL
Washington, D.C. Dulles Intl
Mon 2/17
5:35 pm-4:55 pm
1 stop18h 20m
Cardiff Wales
Mon 2/24
5:25 pm-3:45 pm
1 stop27h 20m
Washington, D.C.Cardiff
DCA - CWL
DCACWL
Washington, D.C. Reagan-National
Wed 3/5
9:55 am-9:50 am
2 stops18h 55m
Cardiff Wales
Wed 3/12
10:20 am-11:46 pm
2 stops17h 26m
Washington, D.C.Cardiff
IAD - CWL
IADCWL
Washington, D.C. Dulles Intl
Mon 2/17
12:52 pm-9:55 am
2 stops16h 03m
Cardiff Wales
Mon 2/24
10:20 am-11:13 pm
2 stops17h 53m
BaltimoreCardiff
BWI - CWL
BWICWL
Baltimore/Washington
Wed 3/5
12:00 pm-9:50 am
2 stops16h 50m
Cardiff Wales
Wed 3/12
10:20 am-11:15 pm
2 stops16h 55m
BaltimoreCardiff
BWI - CWL
BWICWL
Baltimore/Washington
Wed 3/5
7:30 pm-7:45 pm
3 stops19h 15m
Cardiff Wales
Wed 3/12
4:05 pm-7:30 pm
3 stops31h 25m
BaltimoreCardiff
BWI - CWL
BWICWL
Baltimore/Washington
Mon 2/17
2:01 pm-9:55 am
2 stops14h 54m
Cardiff Wales
Mon 2/24
10:20 am-12:35 am
2 stops19h 15m
BaltimoreCardiff
BWI - CWL
BWICWL
Baltimore/Washington
Sat 3/1
8:30 pm-1:00 pm
2 stops35h 30m
Cardiff Wales
Sun 3/9
12:55 pm-7:45 pm
2 stops34h 50m
Washington, D.C.Cardiff
IAD - CWL
IADCWL
Washington, D.C. Dulles Intl
Sat 3/1
9:55 pm-1:00 pm
2 stops34h 05m
Cardiff Wales
Sun 3/9
12:55 pm-8:45 pm
2 stops35h 50m
Washington, D.C.Cardiff
IAD - CWL
IADCWL
Washington, D.C. Dulles Intl
Wed 3/5
7:40 pm-7:45 pm
3 stops19h 05m
Cardiff Wales
Wed 3/12
4:05 pm-7:25 pm
3 stops31h 20m
- Most accurate provider: When it comes to deals on Washington, D.C.-Cardiff flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C.-Cardiff flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Cardiff flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C.-Cardiff flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Cardiff flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Washington, D.C. to Cardiff
Have a flexible travel schedule? Discover the best time to fly to Cardiff from Washington, D.C. with our price prediction graph.
Travel insights for flights from Washington, D.C. to Cardiff
Get recent, data-driven insights about flights from Washington, D.C. to Cardiff including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Washington, D.C. to Cardiff?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Cardiff (average of $773). Flying from Washington, D.C. to Cardiff in June is currently the most expensive (average of $1,622). 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.
What is the cheapest time of day to fly from WAS to CWL?
Find hourly flight availability from Washington, D.C. to Cardiff. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.
A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Cardiff at noon. If you’re flexible enough to do this you can expect to save up to 2% on your trip compared to booking a flight in the morning.
Rainfall in Cardiff by month
Plan your trip to Cardiff by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Cardiff ranges from 2.0 - 3.5 inches per month. January is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Cardiff when rainfall is around 2.0 in.
Temperature in Cardiff by month
Plan your trip to Cardiff by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Cardiff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).
Reviews of airlines servicing Cardiff
Get insights into the airlines that provide service to Cardiff. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Cardiff. Reviews last updated January 21, 2025.
To help decide which airline to fly from Washington, D.C. to Cardiff, see what other customers have to say about Delta, KLM and Aer Lingus. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Comfort
Boarding
Food
Crew
Entertainment
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Overall
Comfort
Boarding
Food
Crew
Entertainment
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Overall
Comfort
Boarding
Food
Crew
Entertainment
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Overall
Comfort
Boarding
Food
Crew
Entertainment
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Overall
Comfort
Boarding
Food
Crew
Entertainment
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Overall
Comfort
Boarding
Food
Crew
Entertainment
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. to Cardiff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Washington, D.C. to Cardiff
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Top airline flying from Washington, D.C. to Cardiff
Discover the top airline that operate flights from Washington, D.C. to Cardiff. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$713 | Average$791 | FlexibilityNo cancel fee | On-time75% |