Find flights
Deals
When to book
FAQs & Tips
Airlines

Book Cheap Washington, D.C. Plane Tickets

Cheapest flights to Washington, D.C. from the United Kingdom found in 2023 and 2024

Recent one-way flight deals

 
Only flying one-way? Below are some of the best deals for one-way flights to Washington, D.C. found on KAYAK in the last 72 hours.
12/12Tue
1 stop
15h 00mLTN-IAD
£187
13/12Wed
1 stop
14h 35mLTN-IAD
£193
10/12Sun
1 stopPLAY
26h 00mSTN-IAD
£267
13/1Sat
1 stopPLAY
11h 00mSTN-IAD
£288
7/12Thu
1 stopAer Lingus
13h 40mLCY-IAD
£687
5/12Tue
1 stopVirgin Atlantic
11h 54mLHR-DCA
£696
12/12Tue
1 stopVirgin Atlantic
10h 45mLCY-IAD
£698
14/5Tue
1 stopLufthansa
15h 35mLCY-IAD
£713
23/4Tue
1 stopAer Lingus
11h 35mLCY-IAD
£730
21/12Thu
1 stopLufthansa
12h 05mLCY-IAD
£853

Search by stops

Search by airline

Search by price

Recent return flight deals

26/1Fri
1 stopPLAY
11h 00mSTN-BWI
2/2Fri
1 stopPLAY
10h 50mBWI-STN
£332
14/2Wed
1 stopPLAY
11h 00mSTN-BWI
19/2Mon
1 stopPLAY
10h 50mBWI-STN
£337
25/1Thu
directVirgin Atlantic
8h 20mLHR-IAD
28/1Sun
directVirgin Atlantic
7h 10mIAD-LHR
£519
25/1Thu
1 stopFinnair
31h 35mLHR-DCA
31/1Wed
1 stopFinnair
10h 28mDCA-LHR
£539
7/3Thu
1 stopFinnair
12h 22mLHR-DCA
17/3Sun
1 stopFinnair
16h 06mDCA-LHR
£543
13/2Tue
directVirgin Atlantic
8h 20mLHR-IAD
18/2Sun
directVirgin Atlantic
7h 10mIAD-LHR
£570
9/4Tue
directBritish Airways
8h 05mLHR-BWI
27/4Sat
directBritish Airways
7h 10mBWI-LHR
£577
22/1Mon
directBritish Airways
8h 30mLHR-IAD
30/1Tue
directBritish Airways
7h 10mIAD-LHR
£578
27/1Sat
1 stopAer Lingus
11h 55mLGW-IAD
27/2Tue
1 stopAer Lingus
9h 55mIAD-LGW
£598
27/1Sat
1 stopAer Lingus
11h 55mLGW-IAD
28/2Wed
1 stopAer Lingus
9h 55mIAD-LGW
£625

Search by stops

Search by airline

Search by price

Recent domestic flight deals

12/12Tue
multi-stopSpirit Airlines
4h 55mFLL-BWI
9/1Tue
multi-stopSpirit Airlines
11h 04mBWI-FLL
£67
12/12Tue
multi-stopSpirit Airlines
4h 55mFLL-BWI
9/1Tue
directSpirit Airlines
2h 52mBWI-FLL
£71
13/1Sat
multi-stopSpirit Airlines
8h 51mFLL-BWI
15/1Mon
directSpirit Airlines
2h 45mBWI-FLL
£76
14/1Sun
directJetBlue
1h 51mBOS-DCA
14/1Sun
directJetBlue
1h 30mDCA-BOS
£85
11/2Sun
directJetBlue
1h 46mBOS-DCA
17/2Sat
directJetBlue
1h 35mDCA-BOS
£90
24/1Wed
directDelta
1h 52mBOS-DCA
25/1Thu
directDelta
1h 33mDCA-BOS
£97
12/1Fri
directDelta
1h 56mBOS-DCA
14/1Sun
directDelta
1h 37mDCA-BOS
£108
29/1Mon
multi-stopUnited Airlines
4h 24mBOS-DCA
1/2Thu
multi-stopUnited Airlines
4h 15mDCA-BOS
£217
18/12Mon
multi-stopUnited Airlines
4h 27mBOS-DCA
14/1Sun
multi-stopUnited Airlines
5h 18mDCA-BOS
£227
22/12Fri
multi-stopAmerican Airlines
7h 50mLAX-BWI
29/12Fri
multi-stopAmerican Airlines
7h 59mBWI-LAX
£584

Search by stops

Search by airline

Search by price

Last minute flights to Washington, D.C.

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights to Washington, D.C. that are departing in the next 10 days.
3/12Sun
multi-stop
15h 55mLTN-IAD
4/12Mon
multi-stop
14h 45mIAD-LTN
£335
2/12Sat
multi-stopPLAY
11h 00mSTN-BWI
9/12Sat
multi-stopPLAY
10h 50mBWI-STN
£342
2/12Sat
multi-stopFinnair
31h 37mLHR-DCA
15/12Fri
multi-stopFinnair
11h 53mDCA-LHR
£604
1/12Fri
multi-stopFinnair
31h 37mLHR-DCA
7/12Thu
multi-stopFinnair
10h 55mDCA-LHR
£613
3/12Sun
multi-stopAer Lingus
11h 55mLGW-IAD
12/12Tue
multi-stopAer Lingus
9h 55mIAD-LGW
£859
2/12Sat
directVirgin Atlantic
8h 20mLHR-IAD
1/3Fri
directVirgin Atlantic
7h 10mIAD-LHR
£907
1/12Fri
multi-stopAer Lingus
13h 40mLCY-IAD
6/12Wed
multi-stopAer Lingus
10h 35mIAD-LCY
£909
1/12Fri
directVirgin Atlantic
8h 20mLHR-IAD
6/12Wed
directVirgin Atlantic
7h 10mIAD-LHR
£1,114
5/12Tue
directBritish Airways
8h 30mLHR-BWI
18/12Mon
directBritish Airways
6h 55mBWI-LHR
£1,171
4/12Mon
directBritish Airways
8h 30mLHR-BWI
18/12Mon
directBritish Airways
6h 55mBWI-LHR
£1,175

Search by stops

Search by airline

Search by price