In terms of precipitation, rainfall in District of Columbia ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit District of Columbia when rainfall is around 66.0 mm.

If weather is an important factor for your trip to District of Columbia, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

What is the cheapest time of day to fly from CWL to DC?

When flying from Cardiff to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Cardiff to District of Columbia?

Cardiff Wales (CWL) is the airport you will fly out of if you book a flight from Cardiff to District of Columbia. It is only a 9.1 mi journey to Cardiff Wales (CWL) from Cardiff’s city center.

Can I find deals for flights from Cardiff to District of Columbia that include hotel bookings?

Yes. In addition to deals on Cardiff to District of Columbia flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Cardiff to District of Columbia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to District of Columbia.

Can I find deals for business class flights from Cardiff to District of Columbia?

Yes. Cheapflights offers flight deals from Cardiff to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£670+ Flights from Cardiff to District of Columbia

Cheap flight deals from Cardiff to District of Columbia

Round-trip from	£670

13/8-20/8
4 total stops
44h 40m total
Cardiff to District of Columbia

Search Deals

Find flight deals from Cardiff to District of Columbia

Cheapest flights from Cardiff to District of Columbia
Explore the most affordable flight options available from Cardiff to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Wed 13/820:30CWL - IAD

2 stops23h 50mMultiple Airlines

Wed 20/817:50IAD - CWL

2 stops20h 50mMultiple Airlines

Deal found 29/6£670

Wed 13/820:30CWL - DCA

2 stops23h 52mMultiple Airlines

Wed 20/815:25DCA - CWL

2 stops23h 15mMultiple Airlines

Deal found 29/6£822

Tue 29/717:15CWL - IAD

1 stop27h 20mKLM

Tue 5/817:25IAD - CWL

1 stop10h 50mKLM

Deal found 30/6£861

Tue 29/709:50CWL - IAD

2 stops15h 01mDelta

Tue 5/812:45IAD - CWL

2 stops15h 30mDelta

Deal found 30/6£865

Tue 29/709:50CWL - DCA

2 stops17h 32mDelta

Tue 5/812:29DCA - CWL

2 stops15h 46mDelta

Deal found 30/6£865

Wed 13/817:15CWL - IAD

1 stop27h 20mVirgin Atlantic

Wed 20/817:25IAD - CWL

1 stop10h 50mVirgin Atlantic

Deal found 29/6£875

Best flights from Cardiff to District of Columbia
Discover carefully curated flight deals from Cardiff to District of Columbia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 July 2025.

Wed 13/820:30CWL - IAD

2 stops23h 50mMultiple Airlines

Wed 20/817:50IAD - CWL

2 stops20h 50mMultiple Airlines

Deal found 29/6£670

Tue 29/717:15CWL - IAD

1 stop27h 20mKLM

Tue 5/817:25IAD - CWL

1 stop10h 50mKLM

Deal found 30/6£861

Tue 29/709:50CWL - IAD

2 stops15h 01mDelta

Tue 5/812:45IAD - CWL

2 stops15h 30mDelta

Deal found 30/6£865

Wed 13/817:15CWL - IAD

1 stop27h 20mVirgin Atlantic

Wed 20/817:25IAD - CWL

1 stop10h 50mVirgin Atlantic

Deal found 29/6£875

Wed 13/820:30CWL - DCA

2 stops23h 52mMultiple Airlines

Wed 20/815:25DCA - CWL

2 stops23h 15mMultiple Airlines

Deal found 29/6£822

Tue 29/709:50CWL - DCA

2 stops17h 32mDelta

Tue 5/812:29DCA - CWL

2 stops15h 46mDelta

Deal found 30/6£865

Last-minute flights from Cardiff to District of Columbia
Discover last-minute flight deals from Cardiff to District of Columbia. Data last updated 1 July 2025 and is based on user searches.

Tue 29/717:15CWL - IAD

1 stop27h 20mKLM

Tue 5/817:25IAD - CWL

1 stop10h 50mKLM

Deal found 30/6£861

Tue 29/709:50CWL - IAD

2 stops15h 01mDelta

Tue 5/812:45IAD - CWL

2 stops15h 30mDelta

Deal found 30/6£865

Tue 29/709:50CWL - DCA

2 stops17h 32mDelta

Tue 5/812:29DCA - CWL

2 stops15h 46mDelta

Deal found 30/6£865

Tue 29/720:15CWL - DCA

3 stops28h 27mMultiple Airlines

Tue 5/806:59DCA - CWL

3 stops28h 46mMultiple Airlines

Deal found 30/6£2,303

Wed 13/820:30CWL - IAD

2 stops23h 50mMultiple Airlines

Wed 20/817:50IAD - CWL

2 stops20h 50mMultiple Airlines

Deal found 29/6£670

Wed 13/817:15CWL - IAD

1 stop27h 20mVirgin Atlantic

Wed 20/817:25IAD - CWL

1 stop10h 50mVirgin Atlantic

Deal found 29/6£875

Cheapflights Fare Finder

Use the filters below to find and compare flights from Cardiff to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Wed 13/8

20:30-15:20

2 stops23h 50m

Washington, D.C. Dulles Intl

Wed 20/8

17:50-19:40

2 stops20h 50m

£670

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Wed 13/8

20:30-15:22

2 stops23h 52m

Washington, D.C. Reagan-National

Wed 20/8

15:25-19:40

2 stops23h 15m

£822

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Tue 29/7

17:15-15:35

1 stop27h 20m

Washington, D.C. Dulles Intl

Tue 5/8

17:25-09:15

1 stop10h 50m

£861

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Tue 29/7

09:50-19:51

2 stops15h 01m

Washington, D.C. Dulles Intl

Tue 5/8

12:45-09:15

2 stops15h 30m

£865

CardiffWashington, D.C.

CWL - DCA

CWLDCA

Cardiff Wales

Tue 29/7

09:50-22:22

2 stops17h 32m

Washington, D.C. Reagan-National

Tue 5/8

12:29-09:15

2 stops15h 46m

£865

CardiffWashington, D.C.

CWL - IAD

CWLIAD

Cardiff Wales

Wed 13/8

17:15-15:35

1 stop27h 20m

Washington, D.C. Dulles Intl

Wed 20/8

17:25-09:15

1 stop10h 50m

£875

Flights are sorted by cheapest return flights first.

Deals found on 29/6

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 return 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, January is the cheapest month in which you can book a flight from Cardiff to District of Columbia (average of £599). Flying from Cardiff to District of Columbia in July is currently the most expensive (average of £947). 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.

Reviews of airlines servicing District of Columbia

Check out reviews from past customers who have flown with Delta, KLM, andVirgin Atlantic from Cardiff to District of Columbia to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,973 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,366 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Virgin Atlantic

7.4

Good

654 reviews

Delta

8.0

Very Good

7,973 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from Cardiff to District of Columbia?
Cardiff Wales (CWL) is the airport you will fly out of if you book a flight from Cardiff to District of Columbia. It is only a 9.1 mi journey to Cardiff Wales (CWL) from Cardiff’s city center.
Can I find deals for flights from Cardiff to District of Columbia that include hotel bookings?
Yes. In addition to deals on Cardiff to District of Columbia flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Cardiff to District of Columbia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to District of Columbia.
Can I find deals for business class flights from Cardiff to District of Columbia?
Yes. Cheapflights offers flight deals from Cardiff to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Cardiff to District of Columbia?
Currently, January is the cheapest month in which you can book a flight from Cardiff to District of Columbia (average of £599). Flying from Cardiff to District of Columbia in July is currently the most expensive (average of £947). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Cardiff to District of Columbia

Manchester to Orlando flights

Manchester to John F Kennedy Intl flights

Manchester to Newark flights

Manchester to LaGuardia flights

Manchester to Los Angeles flights

Manchester to Las Vegas flights

Manchester to Seattle flights

Manchester to San Francisco flights

Manchester to Atlanta flights

Manchester to Tampa flights

Manchester to Miami flights

Manchester to Boston flights

Manchester to Stewart flights

Manchester to O'Hare Intl flights

Manchester to Dallas/Fort Worth flights

Manchester to Hobby flights

Manchester to Dulles Intl flights

Manchester to Melbourne flights

Manchester to Daytona Beach flights

Manchester to Baltimore flights

Manchester to Midway flights

Manchester to Santa Ana flights

Manchester to Ontario flights

Manchester to George Bush Intcntl flights

Manchester to Nashville flights

Manchester to Love Field flights

Manchester to Reagan-National flights

Manchester to Philadelphia flights

Manchester to Detroit flights

Manchester to Minneapolis flights

Bristol to John F Kennedy Intl flights

Bristol to Newark flights

Bristol to LaGuardia flights

Manchester to Columbia flights

Manchester to Raleigh flights

Manchester to Burbank flights

Manchester to Austin flights

Manchester to Sky Harbor Intl flights

Manchester to Fort Lauderdale flights

Manchester to Indianapolis flights

Manchester to Portland flights

Cardiff to John F Kennedy Intl flights

Manchester to Charlotte flights

Bristol to Seattle flights

Manchester to San Jose flights

Manchester to Cedar Rapids flights

Manchester to Honolulu flights

Manchester to Norfolk flights

Manchester to Fort Myers flights

Manchester to Moline flights

Direct flights to United States

Fly with Cheapflights

How does Cheapflights help users find flights from Cardiff to District of Columbia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cardiff to District of Columbia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Cardiff to District of Columbia?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Cardiff to District of Columbia.

Can Cheapflights find flights from Cardiff to District of Columbia with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Cardiff to District of Columbia flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Cardiff to District of Columbia become cheaper?

Of course! You can now track prices for flights from Cardiff to District of Columbia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Cardiff to District of Columbia from £670

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 1 July 2025.

Round-trip from

Find flight deals from Cardiff to District of Columbia

Cheapest flights from Cardiff to District of ColumbiaExplore the most affordable flight options available from Cardiff to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Explore the most affordable flight options available from Cardiff to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Cardiff to District of Columbia that are best for you.

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.

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?

Reviews of airlines servicing District of Columbia

Check out reviews from past customers who have flown with Delta, KLM, andVirgin Atlantic from Cardiff to District of Columbia to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Cardiff to District of Columbia?

Can I find deals for flights from Cardiff to District of Columbia that include hotel bookings?

How can I find direct flights from Cardiff to District of Columbia?

Can I find deals for business class flights from Cardiff to District of Columbia?

What is the cheapest month to book a flight from Cardiff to District of Columbia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Cardiff to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Cardiff to District of Columbia?

Why should you use Cheapflights to find cheap flight tickets from Cardiff to District of Columbia?

Can Cheapflights find flights from Cardiff to District of Columbia with no change fees?

Can Cheapflights notify me if prices for flights from Cardiff to District of Columbia become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Cardiff to District of Columbia
Explore the most affordable flight options available from Cardiff to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.