$190+ Cheap flights from Dulles Intl (IAD) to London (LON)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LON
Nov 5 — Nov 121
Round-trip
1 adult
Economy
Tue 11/5
Tue 11/12
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The best prices from Washington, D.C. Dulles Intl to London are usually found in January or October, booked 21 days in advance, depart on a Wednesday or Monday and return on a Thursday
Cheap flight deals from Dulles Intl to London
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to London (LON). 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 October 31, 2024.
Most accurate provider
FlightHub
3 stars
Most trusted provider
FlightHub
3 stars
Popular in
June
Cheapest in
January
Round-trip from
$337
(PLAY)
One-way from
$190
(Ovago)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-London (LON) flight deals.
Explore the most affordable flight options available from Dulles Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2024.
This oojo deal was found by Cheapflights users on 10/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/115:10 pmIAD - LHR
2 stops14h 45mScandinavian Airlines
Thu 11/216:40 amLHR - IAD
1 stop14h 00mScandinavian Airlines
Deal found 10/30$565
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/167:40 pmIAD - LGW
1 stop10h 15mIcelandair
Sat 1/1811:55 amLGW - IAD
1 stop11h 30mIcelandair
Deal found 10/30$566
This PLAY deal was found by Cheapflights users on 10/30. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/146:10 pmIAD - LTN
1 stop15h 00mMultiple Airlines
Tue 11/197:00 amLTN - IAD
1 stop15h 00mMultiple Airlines
Deal found 10/30$567
This oojo deal was found by Cheapflights users on 10/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/110:30 pmIAD - LGW
1 stop12h 15mTAP AIR PORTUGAL
Sun 12/810:40 amLGW - IAD
1 stop31h 20mTAP AIR PORTUGAL
Deal found 10/31$568
This Gotogate deal was found by Cheapflights users on 10/30. 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.
Thu 11/147:40 pmIAD - LHR
1 stop18h 50mIcelandair
Sun 11/178:40 pmLHR - IAD
1 stop26h 45mIcelandair
Deal found 10/30$569
This PLAY deal was found by Cheapflights users on 10/31. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/56:10 pmIAD - STN
1 stop10h 50mPLAY
Sat 11/1611:00 amSTN - IAD
1 stop11h 00mPLAY
Deal found 10/31$570
This easyJet worldwide deal was found by Cheapflights users on 10/31. 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 easyJet worldwide is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/146:10 pmIAD - LGW
1 stop23h 55mMultiple Airlines
Wed 11/201:55 pmLGW - IAD
1 stop32h 05mMultiple Airlines
Deal found 10/31$571
This oojo deal was found by Cheapflights users on 10/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/35:30 pmIAD - LHR
1 stop24h 10mTAP AIR PORTUGAL
Thu 12/54:30 pmLHR - IAD
1 stop33h 30mTAP AIR PORTUGAL
Deal found 10/30$580
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/185:10 pmIAD - STN
1 stop17h 45mMultiple Airlines
Thu 12/56:30 amSTN - IAD
1 stop14h 10mMultiple Airlines
Deal found 10/31$590
This Mytrip deal was found by Cheapflights users on 10/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/176:10 pmIAD - LHR
3 stops32h 45mMultiple Airlines
Tue 11/266:20 amLHR - IAD
2 stops15h 40mMultiple Airlines
Deal found 10/31$600
This Booking.com deal was found by Cheapflights users on 10/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:45 pmIAD - LHR
Nonstop7h 30mVirgin Atlantic
Mon 12/911:45 amLHR - IAD
1 stop33h 00mVirgin Atlantic
Deal found 10/31$603
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1510:30 pmIAD - LHR
Nonstop7h 35mUnited Airlines
Sun 11/179:00 amLHR - IAD
1 stop34h 55mUnited Airlines
Deal found 10/30$609
Best flights from Dulles Intl to London
Discover carefully curated flight deals from Dulles Intl to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 31, 2024.
This PLAY deal was found by Cheapflights users on 10/30. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/36:10 pmIAD - LTN
1 stop14h 45mMultiple Airlines
Mon 3/107:35 amLTN - IAD
1 stop14h 25mMultiple Airlines
Deal found 10/30$337
This Gotogate deal was found by Cheapflights users on 10/30. 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.
Sun 12/17:40 pmIAD - LGW
1 stop10h 15mIcelandair
Mon 12/911:55 amLGW - IAD
1 stop11h 30mIcelandair
Deal found 10/30$479
This oojo deal was found by Cheapflights users on 10/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2910:30 pmIAD - LGW
1 stop12h 15mTAP AIR PORTUGAL
Fri 12/610:40 amLGW - IAD
1 stop15h 20mTAP AIR PORTUGAL
Deal found 10/30$502
This Booking.com deal was found by Cheapflights users on 10/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/175:10 pmIAD - LHR
2 stops14h 45mScandinavian Airlines
Tue 11/267:50 pmLHR - IAD
2 stops24h 50mScandinavian Airlines
Deal found 10/31$566
This PLAY deal was found by Cheapflights users on 10/31. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/56:10 pmIAD - STN
1 stop10h 50mPLAY
Sat 11/1611:00 amSTN - IAD
1 stop11h 00mPLAY
Deal found 10/31$570
This Booking.com deal was found by Cheapflights users on 10/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/176:25 pmIAD - LHR
Nonstop7h 30mVirgin Atlantic
Tue 11/266:30 amLHR - IAD
1 stop14h 15mVirgin Atlantic
Deal found 10/31$603
This United Airlines deal was found by Cheapflights users on 10/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1510:30 pmIAD - LHR
Nonstop7h 35mUnited Airlines
Sun 11/179:00 amLHR - IAD
1 stop34h 55mUnited Airlines
Deal found 10/31$609
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/36:00 pmIAD - LHR
Nonstop7h 15mIberia
Tue 12/104:30 pmLHR - IAD
Nonstop8h 15mIberia
Deal found 10/30$612
This Lufthansa deal was found by Cheapflights users on 10/31. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/186:30 pmIAD - LHR
Nonstop7h 10mLufthansa
Wed 11/278:30 amLHR - IAD
1 stop12h 20mLufthansa
Deal found 10/31$616
This Air Canada deal was found by Cheapflights users on 10/30. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2712:41 pmIAD - LHR
2 stops13h 29mAir Canada
Wed 12/46:50 amLHR - IAD
2 stops13h 23mAir Canada
Deal found 10/30$628
This Finnair deal was found by Cheapflights users on 10/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/219:55 pmIAD - LHR
Nonstop7h 10mFinnair
Wed 1/294:30 pmLHR - IAD
Nonstop8h 15mFinnair
Deal found 10/30$631
This Ovago deal was found by Cheapflights users on 10/30. 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.
Thu 1/3012:30 pmIAD - LCY
2 stops17h 30mITA Airways
Mon 2/34:40 pmLCY - IAD
2 stops30h 46mITA Airways
Deal found 10/30$633
Last-minute flights from Dulles Intl to London
Discover last-minute flight deals from Dulles Intl to London. Data last updated October 31, 2024 and is based on user searches.
This PLAY deal was found by Cheapflights users on 10/31. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/56:10 pmIAD - STN
1 stop10h 50mPLAY
Sat 11/1611:00 amSTN - IAD
1 stop11h 00mPLAY
Deal found 10/31$570
This Gotogate deal was found by Cheapflights users on 10/30. 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.
Tue 11/57:40 pmIAD - LHR
1 stop18h 50mIcelandair
Tue 11/128:40 pmLHR - IAD
1 stop26h 45mIcelandair
Deal found 10/30$579
This CrystalTravel deal was found by Cheapflights users on 10/30. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/610:20 pmIAD - LHR
1 stop12h 30mLufthansa
Wed 11/1311:10 amLHR - IAD
1 stop13h 55mLufthansa
Deal found 10/30$708
This oojo deal was found by Cheapflights users on 10/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/72:00 pmIAD - LGW
1 stop26h 30mTurkish Airlines
Mon 11/116:00 amLGW - IAD
1 stop35h 15mTurkish Airlines
Deal found 10/31$684
This oojo deal was found by Cheapflights users on 10/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/72:00 pmIAD - LHR
1 stop19h 55mTurkish Airlines
Tue 11/126:35 amLHR - IAD
1 stop17h 55mTurkish Airlines
Deal found 10/30$721
This easyJet worldwide deal was found by Cheapflights users on 10/31. 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 easyJet worldwide is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/96:10 pmIAD - LGW
1 stop15h 20mMultiple Airlines
Wed 11/131:55 pmLGW - IAD
1 stop32h 05mMultiple Airlines
Deal found 10/31$596
This Scandinavian Airlines deal was found by Cheapflights users on 10/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/105:10 pmIAD - LHR
2 stops16h 25mScandinavian Airlines
Tue 11/197:30 pmLHR - IAD
1 stop25h 10mScandinavian Airlines
Deal found 10/29$570
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Sun 11/106:10 pmIAD - LHR
2 stops18h 30mMultiple Airlines
Thu 11/146:40 amLHR - IAD
2 stops15h 20mMultiple Airlines
Deal found 10/30$632
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/30. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1010:30 pmIAD - LGW
1 stop12h 15mTAP AIR PORTUGAL
Wed 11/204:35 pmLGW - IAD
1 stop27h 25mTAP AIR PORTUGAL
Deal found 10/30$633
This Ovago deal was found by Cheapflights users on 10/30. 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.
Sun 11/1010:30 pmIAD - LHR
1 stop19h 10mTAP AIR PORTUGAL
Thu 11/146:00 amLHR - IAD
1 stop14h 00mTAP AIR PORTUGAL
Deal found 10/30$638
This Icelandair deal was found by Cheapflights users on 10/30. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/107:40 pmIAD - LGW
1 stop10h 15mIcelandair
Tue 11/1911:55 amLGW - IAD
1 stop11h 30mIcelandair
Deal found 10/30$697
This oojo deal was found by Cheapflights users on 10/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/115:10 pmIAD - LHR
2 stops14h 45mScandinavian Airlines
Mon 11/186:40 amLHR - IAD
1 stop14h 00mScandinavian Airlines
Deal found 10/30$565
One-way flights from Dulles Intl to London
Search for one-way flight options from Dulles Intl to London. Find affordable one-way fares based on user searches. Data last updated October 31, 2024.
This Ovago deal was found by Cheapflights users on 10/30. 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.
Tue 1/77:40 pmIAD - LGW
1 stop10h 15mIcelandair
Deal found 10/30$190
This Ovago deal was found by Cheapflights users on 10/30. 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.
Tue 1/77:40 pmIAD - LHR
1 stop10h 10mIcelandair
Deal found 10/30$190
This Trip.com deal was found by Cheapflights users on 10/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/237:10 pmIAD - LTN
1 stop15h 20mMultiple Airlines
Deal found 10/31$229
This Flightnetwork deal was found by Cheapflights users on 10/30. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/157:10 pmIAD - STN
1 stop9h 50mPLAY
Deal found 10/30$247
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/177:19 pmIAD - LGW
1 stop33h 41mMultiple Airlines
Deal found 10/30$258
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/26:10 pmIAD - STN
2 stops48h 10mMultiple Airlines
Deal found 10/31$267
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/37:40 pmIAD - LHR
2 stops20h 15mMultiple Airlines
Deal found 10/30$275
This CrystalTravel deal was found by Cheapflights users on 10/30. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/105:30 pmIAD - LGW
1 stop17h 15mTAP AIR PORTUGAL
Deal found 10/30$293
This Ovago deal was found by Cheapflights users on 10/30. 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.
Sun 12/2910:30 pmIAD - LHR
1 stop14h 00mTAP AIR PORTUGAL
Deal found 10/30$303
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/37:40 pmIAD - LCY
2 stops16h 50mMultiple Airlines
Deal found 10/30$332
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/97:40 pmIAD - SEN
3 stops35h 25mMultiple Airlines
Deal found 10/30$335
This oojo deal was found by Cheapflights users on 10/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/25:10 pmIAD - LHR
1 stop17h 50mScandinavian Airlines
Deal found 10/30$363
Find flights from Dulles Intl to London within your budget
Customize your flight search to find flights from Dulles Intl to London 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 2,570,725 searches. Data last updated October 31, 2024.