$802+ Cheap flights from District of Columbia 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from District of Columbia 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 District of Columbia to Cardiff
Keep the following information in mind while searching for District of Columbia to Cardiff flight deals. Data was last updated April 1, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $802 (Delta) |
Find flight deals from District of Columbia to Cardiff
Cheapest flights from District of Columbia to CardiffExplore the most affordable flight options available from District of Columbia to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.
Explore the most affordable flight options available from District of Columbia to Cardiff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.
This Delta deal was found by Cheapflights users on 3/31. 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 3/31. 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 Air France deal was found by Cheapflights users on 3/31. 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 3/31. 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 KLM deal was found by Cheapflights users on 3/31. 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 Gotogate deal was found by Cheapflights users on 3/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from District of Columbia 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 April 1, 2025.
Use the filters below to find and compare flights from District of Columbia to Cardiff that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Cardiff
IAD - CWL
IADCWL
Washington, D.C. Dulles Intl
Sun 8/10
5:25 pm-9:15 am
1 stop10h 50m
Cardiff Wales
Wed 8/27
9:50 am-3:35 pm
1 stop10h 45m
Washington, D.C.Cardiff
DCA - CWL
DCACWL
Washington, D.C. Reagan-National
Wed 8/6
3:30 pm-9:15 am
2 stops12h 45m
Cardiff Wales
Thu 8/21
9:50 am-7:18 pm
2 stops14h 28m
Washington, D.C.Cardiff
IAD - CWL
IADCWL
Washington, D.C. Dulles Intl
Wed 8/20
1:00 pm-9:15 am
2 stops15h 15m
Cardiff Wales
Wed 8/27
9:50 am-11:15 pm
2 stops18h 25m
Washington, D.C.Cardiff
IAD - CWL
IADCWL
Washington, D.C. Dulles Intl
Thu 9/18
5:25 pm-9:15 am
1 stop10h 50m
Cardiff Wales
Tue 9/30
5:15 pm-3:35 pm
1 stop27h 20m
Washington, D.C.Cardiff
DCA - CWL
DCACWL
Washington, D.C. Reagan-National
Thu 6/19
1:25 pm-9:15 am
2 stops14h 50m
Cardiff Wales
Fri 6/27
9:50 am-6:59 pm
2 stops14h 09m
Washington, D.C.Cardiff
IAD - CWL
IADCWL
Washington, D.C. Dulles Intl
Sat 5/17
4:30 pm-4:45 pm
2 stops43h 15m
Cardiff Wales
Wed 5/28
9:50 am-2:40 pm
2 stops57h 50m
Best time to book a flight from District of Columbia to Cardiff
Have a flexible travel schedule? Discover the best time to fly to Cardiff from District of Columbia with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from District of Columbia to Cardiff
What is the cheapest month to book a flight from District of Columbia to Cardiff?
Currently, February is the cheapest month in which you can book a flight from District of Columbia to Cardiff (average of $773). Flying from District of Columbia 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 DC to CWL?
Find hourly flight availability from District of Columbia 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 April 1, 2025.
When flying from District of Columbia to Cardiff, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 April 1, 2025.
Read reviews from past customers who have flown Delta, KLM and ITA Airways from District of Columbia to Cardiff. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Overall
Entertainment
Comfort
Crew
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Overall
Entertainment
Comfort
Crew
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Overall
Entertainment
Comfort
Crew
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Overall
Entertainment
Comfort
Crew
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from District of Columbia 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 District of Columbia to Cardiff
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from District of Columbia to Cardiff
Discover the top airline that operate flights from District of Columbia 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 April 1, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$713 | Average$791 | FlexibilityNo cancel fee | On-time75% |