How does KAYAK find such low prices on flights from Wales to Washington, D.C.?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Wales to Washington, D.C..

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Wales to Washington, D.C.?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Wales is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Wales to Washington, D.C.?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to Wales with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Wales to Washington, D.C.?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Wales up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$404 CHEAP FLIGHTS from Wales to Washington, D.C. (IAD)

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Flight Deals

Cheap Flights from Wales to Dulles Intl

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Wales to Dulles Intl

Tue, Oct 6 - Tue, Oct 13

6:05 pm - 3:10 pmMAN Manchester-IAD Washington, D.C. Dulles Intl

26h 05m1 stop Lisbon Humberto Delgado

5:05 pm - 10:10 amIAD Washington, D.C. Dulles Intl-MAN Manchester

12h 05m1 stop Lisbon Humberto Delgado

$661TAP AIR PORTUGAL

Tue, Oct 13 - Tue, Oct 20

9:10 am - 3:45 pmMAN Manchester-IAD Washington, D.C. Dulles Intl

11h 35m1 stop Dublin

5:15 pm - 7:40 amIAD Washington, D.C. Dulles Intl-MAN Manchester

9h 25m1 stop Dublin

$678Aer Lingus

Mon, Nov 2 - Mon, Nov 9

8:55 am - 3:40 pmMAN Manchester-IAD Washington, D.C. Dulles Intl

11h 45m1 stop London Heathrow

6:05 pm - 8:50 amIAD Washington, D.C. Dulles Intl-MAN Manchester

9h 45m1 stop London Heathrow

$679British Airways

Tue, Sep 29 - Thu, Oct 15

9:35 am - 6:50 pmMAN Manchester-IAD Washington, D.C. Dulles Intl

14h 15m1 stop Madrid Barajas

8:35 pm - 8:55 amIAD Washington, D.C. Dulles Intl-MAN Manchester

31h 20m2 stops Madrid Barajas Barcelona-El Prat

$680Iberia

Tue, Oct 20 - Mon, Oct 26

1:25 pm - 3:30 pmMAN Manchester-IAD Washington, D.C. Dulles Intl

31h 05m2 stops Barcelona-El Prat Madrid Barajas

6:50 pm - 1:05 pmIAD Washington, D.C. Dulles Intl-MAN Manchester

14h 15m1 stop Madrid Barajas

$682Iberia

Sun, Nov 8 - Mon, Nov 23

5:25 pm - 3:55 pmMAN Manchester-IAD Washington, D.C. Dulles Intl

27h 30m1 stop Amsterdam Schiphol

6:40 pm - 6:40 pmIAD Washington, D.C. Dulles Intl-MAN Manchester

19h 00m1 stop Paris Charles de Gaulle

$684Virgin Atlantic

Sat, Oct 3 - Thu, Oct 15

9:30 am - 3:30 pmMAN Manchester-IAD Washington, D.C. Dulles Intl

35h 00m1 stop Madrid Barajas

8:35 pm - 8:50 amIAD Washington, D.C. Dulles Intl-MAN Manchester

31h 15m1 stop Madrid Barajas

$684Iberia

Sun, Nov 1 - Sun, Nov 15

5:50 am - 4:45 pmMAN Manchester-IAD Washington, D.C. Dulles Intl

14h 55m1 stop Amsterdam Schiphol

9:30 pm - 9:30 pmIAD Washington, D.C. Dulles Intl-MAN Manchester

19h 00m1 stop Paris Charles de Gaulle

$685Virgin Atlantic

Sun, Nov 8 - Mon, Nov 23

5:25 pm - 3:55 pmMAN Manchester-IAD Washington, D.C. Dulles Intl

27h 30m1 stop Amsterdam Schiphol

6:40 pm - 10:05 amIAD Washington, D.C. Dulles Intl-MAN Manchester

10h 25m1 stop Paris Charles de Gaulle

$685Virgin Atlantic

Sun, Oct 4 - Mon, Oct 5

12:05 pm - 7:25 pmMAN Manchester-IAD Washington, D.C. Dulles Intl

12h 20m1 stop Dublin

8:55 pm - 1:55 pmIAD Washington, D.C. Dulles Intl-MAN Manchester

12h 00m1 stop Dublin

$686Aer Lingus

Recent last minute flight deals from Wales to Dulles Intl

Fri, Sep 18 - Fri, Sep 25

9:10 am - 3:45 pmMAN Manchester-IAD Washington, D.C. Dulles Intl

11h 35m1 stop Dublin

5:15 pm - 7:40 amIAD Washington, D.C. Dulles Intl-MAN Manchester

9h 25m1 stop Dublin

$687Aer Lingus

Tue, Sep 22 - Mon, Oct 5

9:35 am - 6:50 pmMAN Manchester-IAD Washington, D.C. Dulles Intl

14h 15m1 stop Madrid Barajas

5:00 pm - 12:40 pmIAD Washington, D.C. Dulles Intl-MAN Manchester

38h 40m2 stops Madrid Barajas Barcelona-El Prat

$697Iberia

Mon, Sep 21 - Sat, Sep 26

12:50 pm - 7:25 pmMAN Manchester-IAD Washington, D.C. Dulles Intl

11h 35m1 stop Dublin

5:15 pm - 7:40 amIAD Washington, D.C. Dulles Intl-MAN Manchester

9h 25m1 stop Dublin

$703Aer Lingus

Mon, Sep 21 - Mon, Oct 5

4:55 pm - 7:40 pmMAN Manchester-IAD Washington, D.C. Dulles Intl

31h 45m1 stop London Heathrow

7:15 pm - 3:10 pmIAD Washington, D.C. Dulles Intl-MAN Manchester

14h 55m2 stops Charlotte Douglas London Heathrow

$722American Airlines

Mon, Sep 21 - Sun, Oct 4

5:55 am - 3:35 pmMAN Manchester-IAD Washington, D.C. Dulles Intl