What is the cheapest month to book a flight from Lisbon to Washington, D.C. Reagan-National Airport?

Currently, February is the cheapest month in which you can book a flight from Lisbon to Washington, D.C. Reagan-National Airport (average of $278). Flying from Lisbon to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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.

What is the cheapest day to fly from Lisbon to Washington, D.C. Reagan-National Airport?

Travelers seeking maximum savings on their Lisbon to Washington, D.C. Reagan-National Airport flight should consider departing on Sunday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest day to fly round-trip from Lisbon to Washington, D.C. Reagan-National Airport?

Flying to your destination on a Tuesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Washington, D.C. Reagan-National Airport. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Lisbon to Washington, D.C. Reagan-National Airport?

Users have found that booking a flight from Lisbon to Washington, D.C. Reagan-National Airport at least 49 days early can save you up to 75% on average compared to booking a flight this week. If booking 49 days before your flight isn’t an option for you, users have found flights from Lisbon to Washington, D.C. Reagan-National Airport for as little as $572 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 $751 for flights departing within the next 3 days.

What is the cheapest month to fly from Lisbon to Washington, D.C. Reagan-National Airport?

Our data shows that September tends to be the cheapest month to fly to Washington, D.C. Reagan-National Airport from Lisbon. Users have commonly found prices around $672 for the month, but tickets can be as low as $487. Due to multiple factors, prepare for potentially higher prices in July.

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

When flying from Lisbon to Washington, D.C. Reagan-National Airport, 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 Lisbon to Washington, D.C. Reagan-National?

If you book a flight to Washington, D.C. Reagan-National from Lisbon, you will be flying from Humberto Delgado, which is the city’s only airport. Lisbon Humberto Delgado (LIS) is located 4.2 mi from the center of Lisbon. There are 0 flights from Humberto Delgado to Washington, D.C. Reagan-National per day from 0 different airlines.

Can I find deals for flights from Lisbon to Reagan-National that include hotel bookings?

Yes. In addition to deals on Lisbon to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Lisbon to Reagan-National?

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

Can I find deals for business class flights from Lisbon to Reagan-National?

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

$522+ Flights from Lisbon to Washington, D.C. Reagan-National Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Lisbon to Reagan-National with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Lisbon to Reagan-National

Round-trip from	$559 (United Airlines)
One-way from	$522 (Mytrip)
Popular in	July
Cheapest in	September
Average price	$770

From Lisbon Humberto Delgado to Washington, D.C. Reagan-National

Search Deals

One-way flight from Lisbon Humberto Delgado to Washington, D.C. Reagan-National

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($126 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Lisbon to Reagan-National

Cheapest flights from Lisbon to Reagan-National
Explore the most affordable flight options available from Lisbon to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Thu 9/1110:25 amLIS - DCA

1 stop13h 40mUnited Airlines

Sat 9/276:00 amDCA - LIS

1 stop21h 20mUnited Airlines

Deal found 8/14

$571

Thu 12/1810:15 amLIS - DCA

1 stop11h 08mUnited Airlines

Thu 1/84:00 pmDCA - LIS

1 stop11h 10mUnited Airlines

Deal found 8/14

$577

Sat 11/225:00 amLIS - DCA

2 stops18h 05mDelta

Sat 12/61:45 pmDCA - LIS

2 stops14h 15mDelta

Deal found 8/13

$589

Fri 9/1210:25 amLIS - DCA

1 stop12h 17mUnited Airlines

Sun 9/285:27 pmDCA - LIS

1 stop9h 53mUnited Airlines

Deal found 8/14

$591

Fri 9/1211:40 amLIS - DCA

2 stops17h 13mDelta

Sun 9/286:45 pmDCA - LIS

1 stop11h 00mDelta

Deal found 8/13

$596

Thu 8/285:00 amLIS - DCA

2 stops17h 05mDelta

Sat 9/135:15 pmDCA - LIS

2 stops16h 35mDelta

Deal found 8/13

$598

Thu 9/1111:40 amLIS - DCA

2 stops17h 01mDelta

Sat 9/275:15 pmDCA - LIS

1 stop12h 30mDelta

Deal found 8/14

$599

Tue 11/1110:00 amLIS - DCA

1 stop13h 05mDelta

Wed 11/195:00 pmDCA - LIS

2 stops17h 10mDelta

Deal found 8/14

$602

Thu 10/1612:45 pmLIS - DCA

1 stop14h 22mKLM

Sun 10/194:50 pmDCA - LIS

1 stop12h 55mKLM

Deal found 8/13

$603

Thu 12/1810:55 amLIS - DCA

2 stops14h 45mAir Canada

Thu 1/812:55 pmDCA - LIS

2 stops15h 25mAir Canada

Deal found 8/13

$604

Best flights from Lisbon to Reagan-National
Discover carefully curated flight deals from Lisbon to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Sat 1/176:10 amLIS - DCA

2 stops22h 46mUnited Airlines

Sat 1/2411:30 amDCA - LIS

2 stops16h 25mUnited Airlines

Deal found 8/14

$559

Thu 10/165:00 amLIS - DCA

2 stops18h 00mDelta

Sun 10/196:45 pmDCA - LIS

1 stop11h 00mDelta

Deal found 8/13

$589

Tue 11/115:00 amLIS - DCA

2 stops18h 05mAir Canada

Wed 11/196:50 pmDCA - LIS

2 stops15h 00mAir Canada

Deal found 8/14

$596

Thu 9/1110:25 amLIS - DCA

1 stop12h 17mUnited Airlines

Sat 9/276:00 amDCA - LIS

1 stop21h 20mUnited Airlines

Deal found 8/14

$571

Sat 11/225:00 amLIS - DCA

2 stops18h 05mDelta

Sat 12/61:45 pmDCA - LIS

2 stops14h 15mDelta

Deal found 8/13

$589

Thu 12/1810:15 amLIS - DCA

1 stop11h 08mUnited Airlines

Thu 1/84:00 pmDCA - LIS

1 stop11h 10mUnited Airlines

Deal found 8/14

$577

Sat 9/205:00 amLIS - DCA

2 stops17h 57mDelta

Tue 9/304:45 pmDCA - LIS

1 stop13h 00mDelta

Deal found 8/12

$589

Fri 9/1210:25 amLIS - DCA

1 stop12h 17mUnited Airlines

Sun 9/285:27 pmDCA - LIS

1 stop9h 53mUnited Airlines

Deal found 8/14

$591

Last-minute flights from Lisbon to Reagan-National
Discover last-minute flight deals from Lisbon to Reagan-National. Data last updated August 14, 2025 and is based on user searches.

Tue 8/195:40 amLIS - DCA

2 stops18h 16mDelta

Wed 11/125:00 pmDCA - LIS

1 stop10h 00mDelta

Deal found 8/14

$716

Tue 8/1911:40 amLIS - DCA

2 stops17h 13mDelta

Tue 8/264:45 pmDCA - LIS

2 stops17h 05mDelta

Deal found 8/13

$736

Tue 8/1911:40 amLIS - DCA

2 stops15h 32mDelta

Mon 11/101:30 pmDCA - LIS

2 stops16h 50mDelta

Deal found 8/14

$758

Wed 8/2012:10 pmLIS - DCA

2 stops16h 43mDelta

Thu 11/135:00 pmDCA - LIS

1 stop10h 55mDelta

Deal found 8/14

$694

Wed 8/2012:45 pmLIS - DCA

1 stop14h 27mKLM

Tue 11/115:00 pmDCA - LIS

1 stop11h 00mKLM

Deal found 8/14

$712

Wed 8/2012:45 pmLIS - DCA

2 stops13h 40mDelta

Sat 11/152:00 pmDCA - LIS

2 stops16h 20mDelta

Deal found 8/14

$725

Wed 8/2012:45 pmLIS - DCA

1 stop14h 27mDelta

Sun 11/98:30 amDCA - LIS

1 stop19h 25mDelta

Deal found 8/14

$774

Sat 8/239:40 amLIS - DCA

2 stops18h 19mDelta

Sat 8/304:00 pmDCA - LIS

2 stops14h 15mDelta

Deal found 8/13

$696

Mon 8/255:40 amLIS - DCA

2 stops18h 16mDelta

Sun 9/75:00 pmDCA - LIS

2 stops16h 50mDelta

Deal found 8/13

$611

Mon 8/255:40 amLIS - DCA

2 stops18h 16mDelta

Mon 9/85:00 pmDCA - LIS

2 stops16h 50mDelta

Deal found 8/14

$614

Thu 8/285:00 amLIS - DCA

2 stops17h 05mDelta

Sat 9/135:15 pmDCA - LIS

2 stops16h 35mDelta

Deal found 8/13

$598

Thu 9/1110:25 amLIS - DCA

1 stop13h 40mUnited Airlines

Sat 9/276:00 amDCA - LIS

1 stop21h 20mUnited Airlines

Deal found 8/14

$571

One-way flights from Lisbon to Reagan-National
Search for one-way flight options from Lisbon to Reagan-National. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Thu 10/3011:00 amLIS - DCA

1 stop15h 35mMultiple Airlines

Deal found 8/13

$522

Fri 10/36:35 amLIS - DCA

3 stops39h 24mMultiple Airlines

Deal found 8/13

$524

Thu 11/137:00 amLIS - DCA

3 stops34h 04mMultiple Airlines

Deal found 8/14

$529

Fri 9/125:35 pmLIS - DCA

2 stops28h 24mMultiple Airlines

Deal found 8/13

$539

Wed 10/85:55 amLIS - DCA

3 stops35h 09mMultiple Airlines

Deal found 8/14

$551

Wed 10/87:20 amLIS - DCA

2 stops20h 37mFinnair

Deal found 8/14

$552

Tue 11/117:00 amLIS - DCA

3 stops34h 01mMultiple Airlines

Deal found 8/13

$554

Sat 10/46:35 amLIS - DCA

2 stops21h 32mFinnair

Deal found 8/14

$556

Wed 11/1211:15 amLIS - DCA

1 stop14h 43mMultiple Airlines

Deal found 8/14

$558

Sat 9/2012:30 pmLIS - DCA

2 stops15h 37mBritish Airways

Deal found 8/13

$561

Cheapflights Fare Finder

Use the filters below to find and compare flights from Lisbon to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Sat 1/17

6:10 am-11:56 pm

2 stops22h 46m

Washington, D.C. Reagan-National

Sat 1/24

11:30 am-8:55 am

2 stops16h 25m

$559

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 9/11

10:25 am-5:42 pm

1 stop12h 17m

Washington, D.C. Reagan-National

Sat 9/27

6:00 am-8:20 am

1 stop21h 20m

$571

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 12/18

10:15 am-4:23 pm

1 stop11h 08m

Washington, D.C. Reagan-National

Thu 1/8

4:00 pm-8:10 am

1 stop11h 10m

$577

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 10/16

5:00 am-6:00 pm

2 stops18h 00m

Washington, D.C. Reagan-National

Sun 10/19

6:45 pm-10:45 am

1 stop11h 00m

$589

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Sat 11/22

5:00 am-6:05 pm

2 stops18h 05m

Washington, D.C. Reagan-National

Sat 12/6

1:45 pm-9:00 am

2 stops14h 15m

$589

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Sat 9/20

5:00 am-5:57 pm

2 stops17h 57m

Washington, D.C. Reagan-National

Tue 9/30

4:45 pm-10:45 am

1 stop13h 00m

$589

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Fri 9/12

10:25 am-5:42 pm

1 stop12h 17m

Washington, D.C. Reagan-National

Sun 9/28

5:27 pm-8:20 am

1 stop9h 53m

$591

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Tue 11/11

5:00 am-6:05 pm

2 stops18h 05m

Washington, D.C. Reagan-National

Wed 11/19

6:50 pm-2:50 pm

2 stops15h 00m

$596

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 10/30

11:00 am-10:35 pm

1 stop15h 35m

$522

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Fri 10/3

6:35 am-4:59 pm

3 stops39h 24m

$524

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 20 results

Best time to book a flight from Lisbon to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Lisbon 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.

Related info for your journey

What airport do you fly from for flights from Lisbon to Washington, D.C. Reagan-National?
If you book a flight to Washington, D.C. Reagan-National from Lisbon, you will be flying from Humberto Delgado, which is the city’s only airport. Lisbon Humberto Delgado (LIS) is located 4.2 mi from the center of Lisbon. There are 0 flights from Humberto Delgado to Washington, D.C. Reagan-National per day from 0 different airlines.
Can I find deals for flights from Lisbon to Reagan-National that include hotel bookings?
Yes. In addition to deals on Lisbon to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lisbon to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to Reagan-National.
Can I find deals for business class flights from Lisbon to Reagan-National?
Yes. Cheapflights offers flight deals from Lisbon to Reagan-National 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 Lisbon to Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from Lisbon to Washington, D.C. Reagan-National Airport (average of $278). Flying from Lisbon to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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

Woodbridge

Arlington

Alexandria

Tysons

Silver Spring

Springfield

Fredericksburg

Gaithersburg

Towson

Linthicum Heights

Fairfax

Manassas

Falls Church

Laurel

Rockville

Oxon Hill

National Harbor

Dundalk

Waldorf

Bowie

Browse thousands of different options on Cheapflights for your next trip

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.

$522+ Cheap flights from Lisbon (LIS) to Reagan-National (DCA)

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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Lisbon to Reagan-National with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Lisbon to Reagan-National

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Lisbon to Reagan-National

Cheapest flights from Lisbon to Reagan-NationalExplore the most affordable flight options available from Lisbon to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from Lisbon to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Lisbon to Washington, D.C. Reagan-National Airport that are best for you.

Best time to book a flight from Lisbon to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Lisbon with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Lisbon to Reagan-National. 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 Lisbon to Washington, D.C. Reagan-National?

Can I find deals for flights from Lisbon to Reagan-National that include hotel bookings?

How can I find direct flights from Lisbon to Reagan-National?

Can I find deals for business class flights from Lisbon to Reagan-National?

What is the cheapest month to book a flight from Lisbon to Washington, D.C. Reagan-National Airport?

Traveling to a place near Washington, D.C. Reagan-National Airport?

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 Lisbon to Reagan-National

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Lisbon to Reagan-National
Explore the most affordable flight options available from Lisbon to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.