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$235+ Cheap flights from Dulles Intl (IAD) to Lisbon (LIS)

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LIS
Jul 30 — Aug 61
From?
To?
Tue 7/30
Tue 8/6
1 adult, Economy
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The best prices from Washington, D.C. Dulles Intl to Lisbon Humberto Delgado are usually found in January or February, booked 29 days in advance, depart on a Monday or Sunday and return on a Wednesday

Cheap flight deals from Dulles Intl to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Lisbon (LIS). 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 July 25, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$350
(mytrip.com)

One-way from

$235
(mytrip.com)
High demand for flights, 25% potential price rise
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Best time to find cheap flights, 22% potential price drop
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From Washington, D.C. Dulles Intl to Lisbon Humberto Delgado
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One-way flight from Washington, D.C. Dulles Intl to Lisbon Humberto Delgado
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What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Lisbon?

Departing on a Sunday is a good option for securing a great price. You can expect to save up to 21% when planning your travel around this day of the week.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Lisbon?

Users have found that booking a flight from Washington, D.C. Dulles Intl Airport to Lisbon at least 46 days early can save you up to 30% on average compared to booking a flight this week. If booking 46 days before your flight isn’t an option for you, users have found flights from Washington, D.C. Dulles Intl Airport to Lisbon for as little as $721 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,003 for flights departing within the next 3 days.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Lisbon?

January is one of the best times of the year to fly to Lisbon from Washington, D.C. Dulles Intl Airport. Prices for January average $857 per person but you can even find prices for as low as $466. The most expensive prices can be found in the month of June. Opting for a January flight can save you 39% on your journey compared to booking in June

What is the cheapest time of day to fly from IAD to LIS?

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Lisbon in the morning. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight in the afternoon.

Cheap Dulles Intl to Lisbon flights in July & August 2024

Find cheap flight options from Dulles Intl to Lisbon specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 25, 2024.
The lowest fares we've come across on flights traveling from Washington, D.C. to Lisbon in July and August 2024. For more flight deals, be sure to check back very soon.
This FlightHub deal was found by Cheapflights users on 7/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1910:25 pmIAD - LIS
Nonstop7h 15mTAP AIR PORTUGAL
Mon 8/265:30 pmLIS - IAD
Nonstop8h 20mTAP AIR PORTUGAL
Deal found 7/24$669
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/236:50 pmIAD - LIS
2 stops21h 45mMultiple Airlines
Fri 8/3010:15 pmLIS - IAD
2 stops24h 25mMultiple Airlines
Deal found 7/24$671
This FlightHub deal was found by Cheapflights users on 7/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/114:40 pmIAD - LIS
1 stop17h 45mTurkish Airlines
Tue 9/104:30 pmLIS - IAD
1 stop27h 15mTurkish Airlines
Deal found 7/25$673
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/246:50 pmIAD - LIS
3 stops32h 40mMultiple Airlines
Fri 8/3010:00 pmLIS - IAD
3 stops24h 40mMultiple Airlines
Deal found 7/24$675
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/199:55 amIAD - LIS
3 stops32h 40mMultiple Airlines
Tue 8/278:05 pmLIS - IAD
3 stops29h 24mMultiple Airlines
Deal found 7/24$678
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/286:50 pmIAD - LIS
3 stops32h 40mMultiple Airlines
Mon 9/210:00 pmLIS - IAD
3 stops24h 40mMultiple Airlines
Deal found 7/24$680
This oojo deal was found by Cheapflights users on 7/25. 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 8/269:50 pmIAD - LIS
1 stop36h 35mTurkish Airlines
Wed 9/410:55 amLIS - IAD
1 stop38h 00mTurkish Airlines
Deal found 7/25$683
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/2610:25 pmIAD - LIS
Nonstop7h 15mMultiple Airlines
Fri 9/610:40 amLIS - IAD
2 stops36h 00mMultiple Airlines
Deal found 7/24$685
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/219:55 amIAD - LIS
2 stops25h 40mMultiple Airlines
Wed 8/287:15 pmLIS - IAD
2 stops23h 15mMultiple Airlines
Deal found 7/24$688

Dulles Intl to Lisbon 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and Lisbon in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
The lowest fares we've come across on flights traveling from Washington, D.C. to Lisbon in July and August 2024. For more flight deals, be sure to check back very soon.
This CheapOair deal was found by Cheapflights users on 7/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/318:29 amIAD - LIS
1 stop20h 51mAir Canada
Tue 11/55:00 amLIS - IAD
2 stops21h 19mAir Canada
Deal found 7/25$664
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/68:35 amIAD - LIS
2 stops19h 45mUnited Airlines
Mon 11/2511:00 amLIS - IAD
2 stops29h 52mUnited Airlines
Deal found 7/25$665
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/178:30 pmIAD - LIS
2 stops19h 45mMultiple Airlines
Thu 9/269:55 pmLIS - IAD
2 stops24h 45mMultiple Airlines
Deal found 7/24$666
This JustFly deal was found by Cheapflights users on 7/25. 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 JustFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3112:50 pmIAD - LIS
2 stops16h 30mAir Canada
Tue 11/511:00 amLIS - IAD
2 stops34h 05mAir Canada
Deal found 7/25$667
This oojo deal was found by Cheapflights users on 7/25. 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 11/55:30 pmIAD - LIS
Nonstop7h 05mTAP AIR PORTUGAL
Mon 11/119:15 amLIS - IAD
Nonstop8h 45mTAP AIR PORTUGAL
Deal found 7/25$668
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/710:10 pmIAD - LIS
Nonstop7h 20mUnited Airlines
Tue 11/125:00 amLIS - IAD
1 stop15h 50mUnited Airlines
Deal found 7/25$669
This Scandinavian Airlines deal was found by Cheapflights users on 7/24. 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.
Thu 12/55:10 pmIAD - LIS
2 stops18h 00mScandinavian Airlines
Wed 12/1112:50 pmLIS - IAD
2 stops31h 50mScandinavian Airlines
Deal found 7/24$670
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/236:50 pmIAD - LIS
2 stops21h 45mMultiple Airlines
Fri 8/3010:15 pmLIS - IAD
2 stops24h 25mMultiple Airlines
Deal found 7/24$671
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/96:00 pmIAD - LIS
3 stops33h 30mMultiple Airlines
Mon 9/1610:00 pmLIS - IAD
3 stops26h 25mMultiple Airlines
Deal found 7/24$672

Dulles Intl to Lisbon flights leaving soon

Find last-minute flight options from Dulles Intl to Lisbon for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Consider one of these great deals we found on last-minute flights from Washington, D.C. to Lisbon. Users should be sure to double check the price, date, and time of their last-minute flight.
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/26:50 pmIAD - LIS
3 stops31h 00mMultiple Airlines
Wed 8/710:00 pmLIS - IAD
3 stops24h 40mMultiple Airlines
Deal found 7/24$878
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/46:50 pmIAD - LIS
1 stop20h 30mPLAY
Mon 8/129:30 pmLIS - IAD
1 stop25h 10mPLAY
Deal found 7/24$886
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/46:50 pmIAD - LIS
1 stop20h 30mMultiple Airlines
Mon 8/126:00 amLIS - IAD
3 stops34h 37mMultiple Airlines
Deal found 7/24$956
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Tue 7/305:00 pmIAD - LIS
Nonstop7h 30mMultiple Airlines
Thu 8/810:05 pmLIS - IAD
2 stops22h 57mMultiple Airlines
Deal found 7/24$965
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/39:20 pmIAD - LIS
1 stop15h 20mMultiple Airlines
Thu 8/81:30 pmLIS - IAD
2 stops35h 49mMultiple Airlines
Deal found 7/24$1,004
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/26:50 pmIAD - LIS
2 stops18h 05mMultiple Airlines
Wed 8/710:00 pmLIS - IAD
3 stops24h 40mMultiple Airlines
Deal found 7/24$1,041
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Sun 8/410:20 pmIAD - LIS
Nonstop7h 15mMultiple Airlines
Sat 8/105:30 pmLIS - IAD
2 stops47h 07mMultiple Airlines
Deal found 7/24$1,062
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Tue 7/305:00 pmIAD - LIS
Nonstop7h 30mMultiple Airlines
Tue 8/68:35 pmLIS - IAD
2 stops30h 35mMultiple Airlines
Deal found 7/24$1,088
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/46:50 pmIAD - LIS
1 stop20h 30mMultiple Airlines
Mon 8/129:05 pmLIS - IAD
2 stops30h 05mMultiple Airlines
Deal found 7/24$1,104

One-way flights to Lisbon from Dulles Intl

Search for one-way flight options from Dulles Intl to Lisbon. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Some of the best available deals we've found on one-way flights from Washington, D.C. to Lisbon. Users needing a return flight from Washington, D.C. to Lisbon should utilize the search form above.
This mytrip.com deal was found by Cheapflights users on 7/25. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/88:30 pmIAD - LIS
2 stops19h 45mMultiple Airlines
Deal found 7/25$235
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/238:30 pmIAD - LIS
2 stops19h 45mMultiple Airlines
Deal found 7/24$244
This mytrip.com deal was found by Cheapflights users on 7/24. 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.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/248:30 pmIAD - LIS
2 stops19h 45mMultiple Airlines
Deal found 7/24$249
This Trip.com deal was found by Cheapflights users on 7/24. 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.
Tue 10/228:30 pmIAD - LIS
2 stops17h 10mMultiple Airlines
Deal found 7/24$261
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 9/238:30 pmIAD - LIS
3 stops38h 40mMultiple Airlines
Deal found 7/24$264
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Tue 9/248:30 pmIAD - LIS
3 stops19h 50mMultiple Airlines
Deal found 7/24$267
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Tue 9/248:30 pmIAD - LIS
3 stops19h 50mMultiple Airlines
Deal found 7/25$268
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Tue 8/135:00 pmIAD - LIS
Nonstop7h 30mTAP AIR PORTUGAL
Deal found 7/23$269
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 9/238:30 pmIAD - LIS
3 stops32h 55mMultiple Airlines
Deal found 7/25$273

Find flights from Dulles Intl to Lisbon within your budget

Customize your flight search to find flights from Dulles Intl to Lisbon 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 2,752,877 searches. Data last updated July 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$350 - $660

Route

Depart

Return

Price

Washington, D.C. Dulles IntlLisbon Humberto Delgado

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Sun 1/12

1 stop21h 10m

Lisbon Humberto Delgado

Mon 1/27

1 stop24h 40m

$350

Washington, D.C. Dulles IntlLisbon Humberto Delgado

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 9/9

2 stops18h 55m

Lisbon Humberto Delgado

Thu 9/12

3 stops24h 40m

$494

Washington, D.C. Dulles IntlLisbon Humberto Delgado

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Fri 11/22

1 stop15h 25m

Lisbon Humberto Delgado

Thu 12/5

1 stop29h 35m

$559

Washington, D.C. Dulles IntlLisbon Humberto Delgado

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Mon 8/19

Nonstop7h 30m

Lisbon Humberto Delgado

Wed 8/28

Nonstop8h 20m

$562

Washington, D.C. Dulles IntlLisbon Humberto Delgado

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Sun 11/24

2 stops24h 00m

Lisbon Humberto Delgado

Wed 12/4

2 stops31h 50m

$596

Washington, D.C. Dulles IntlLisbon Humberto Delgado

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Wed 10/9

1 stop17h 40m

Lisbon Humberto Delgado

Mon 10/21

1 stop27h 20m

$621

Washington, D.C. Dulles IntlLisbon Humberto Delgado

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Wed 11/6

1 stop20h 10m

Lisbon Humberto Delgado

Sat 11/16

1 stop18h 55m

$643

Washington, D.C. Dulles IntlLisbon Humberto Delgado

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Tue 11/5

1 stop12h 25m

Lisbon Humberto Delgado

Tue 11/12

2 stops39h 15m

$655

Washington, D.C. Dulles IntlLisbon Humberto Delgado

IAD - LIS

IADLIS

Washington, D.C. Dulles Intl

Sat 1/18

1 stop9h 50m

Lisbon Humberto Delgado

Sat 1/25

2 stops39h 09m

$660

Flights are sorted by cheapest first

Deals found on 7/24

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Lisbon. Price data was last updated on July 23, 2024.
The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Lisbon may vary depending on when you book. For the best chance of a lower fare, look to book 29 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Lisbon?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Lisbon. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Lisbon flight should consider departing on Monday mornings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from Dulles Intl to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Dulles Intl with our price prediction graph.
Estimated round-trip 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.

Temperature and rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature and rainfall totals by month.

LIS

Temperature

51.8 - 73.4 °F

If weather is an important factor for your trip to Lisbon, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated July 25, 2024.
To help decide which airline to fly from Washington, D.C. to Lisbon, see what other customers have to say about PLAY, Royal Air Maroc and Turkish Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.7
Good
1,332 reviews

Overall

7.7

Boarding

7.8

Crew

8.2

Food

6.8

Comfort

7.5

Entertainment

7.0

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Finnair
7.7
Good
1,332 reviews
Finnair
7.7
Good
1,332 reviews

Overall

7.7

Boarding

7.8

Crew

8.2

Food

6.8

Comfort

7.5

Entertainment

7.0

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

United Airlines
7.4
Good
10,000 reviews
Finnair
7.7
Good
1,332 reviews

Overall

7.7

Boarding

7.8

Crew

8.2

Food

6.8

Comfort

7.5

Entertainment

7.0

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Turkish Airlines
7.4
Good
3,762 reviews
Finnair
7.7
Good
1,332 reviews

Overall

7.7

Boarding

7.8

Crew

8.2

Food

6.8

Comfort

7.5

Entertainment

7.0

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Scandinavian Airlines
7.4
Good
1,331 reviews
Finnair
7.7
Good
1,332 reviews

Overall

7.7

Boarding

7.8

Crew

8.2

Food

6.8

Comfort

7.5

Entertainment

7.0

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

American Airlines
7.3
Good
10,000 reviews
Finnair
7.7
Good
1,332 reviews

Overall

7.7

Boarding

7.8

Crew

8.2

Food

6.8

Comfort

7.5

Entertainment

7.0

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Lisbon. 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 into for flights to Lisbon from Washington, D.C. Dulles Intl?

    Most people fly into Lisbon Humberto Delgado (LIS) if they book a flight to Lisbon from Washington, D.C. Dulles Intl. On average, Humberto Delgado has 1 inbound flight from Washington, D.C. Dulles Intl per day from 17 airlines. Lisbon Humberto Delgado is conveniently located just 4.2 mi from Lisbon’s city center.

  • Can I find flights from Washington, D.C. Dulles Intl Airport to Lisbon for under $400 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Lisbon for under $400. The cheapest flight booked recently is on PLAY for just $350, but on average you can expect to pay $399.

  • Are there nonstop flights from Washington, D.C. Dulles Intl Airport to Lisbon for under $600 on Cheapflights?

    Cheapflights has at least 20 direct flights from Washington, D.C. Dulles Intl Airport to Lisbon under $600. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to Lisbon is less than $616.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Lisbon for under $900?

    There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to Lisbon within the next 7 days for less than $900.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Lisbon round-trip?

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Lisbon round-trip from $350. PLAY is currently priced 60% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Lisbon?

    The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Lisbon are JetBlue (75%), TAP AIR PORTUGAL (75%) and Air Canada (53%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Lisbon?

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to Lisbon is $254. On average you can expect to pay $1,756. The most popular route, (Washington, D.C. Dulles Intl - Lisbon Humberto Delgado), can usually be booked for $354.

  • What does IAD to LIS mean?

    IAD and LIS are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. IAD to LIS refers to a flight route from Washington, D.C. Dulles Intl Airport to Lisbon Humberto Delgado Airport.

  • Can I find deals for flights from Dulles Intl to Lisbon that include extra baggage allowance?

    The amount of baggage you can bring on your Dulles Intl to Lisbon flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Dulles Intl to Lisbon with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to Lisbon flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Dulles Intl to Lisbon that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Lisbon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Lisbon.

  • Can I find deals for business class flights from Dulles Intl to Lisbon?

    Yes. Cheapflights offers flight deals from Dulles Intl to Lisbon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Dulles Intl to Lisbon that allow pets onboard?

    Many airlines flying from Dulles Intl to Lisbon offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Dulles Intl to Lisbon?

    Yes, you can often find last-minute deals on Dulles Intl to Lisbon flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. Dulles Intl Airport to Lisbon flight deals updated?

    The Washington, D.C. Dulles Intl Airport to Lisbon flight deals you see on this page were last updated on 7/25.

  • What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Lisbon?

    When booking a flight from Washington, D.C. Dulles Intl Airport to Lisbon, you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Lisbon?

    Currently, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Lisbon (average of $591). Flying from Washington, D.C. Dulles Intl Airport to Lisbon in June is currently the most expensive (average of $1,187). 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.

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Alternative routes for Dulles Intl to Lisbon
See prices for flight routes from nearby airports that may be better suited for you.

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Top 10 airlines flying from Dulles Intl to Lisbon

Discover the top 10 airlines that operate flights from Dulles Intl to Lisbon. 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 2,752,877 searches. Data last updated July 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$296Average$367FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$483Average$882FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$490Average$720FlexibilityNo cancel feeOn-time77%
Royal Air MarocCheapest$519Average$535FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$522Average$875FlexibilityNo cancel feeOn-time71%
KLMCheapest$533Average$800FlexibilityNo cancel feeOn-time75%
DeltaCheapest$536Average$884FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$539Average$745FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$582Average$869FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$594Average$883FlexibilityNo cancel feeOn-time76%
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Washington, D.C. Dulles Intl Airport to Little Rock flights

Search flights from Dulles Intl to Lisbon by cabin class

Find flights from Dulles Intl to Lisbon, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Dulles Intl to Lisbon

Find hourly flight availability from Dulles Intl to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2024.
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
24%of flight departuresAfternoonNoon to 6 pm
75%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Dulles Intl to Lisbon

Explore weekly flight availability from Dulles Intl to Lisbon. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 25, 2024.
Sunday1daily flight
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
Thursday1daily flight
Friday1daily flight
Saturday1daily flight

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