HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lausanne

$497+ Cheap flights from Reagan-National (DCA) to Lausanne, Switzerland

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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — GVA
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National to Lausanne 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 Reagan-National to Lausanne

Keep the following information in mind while searching for Reagan-National to Lausanne flight deals. Data was last updated April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$791
(Cheapflightsfares)

One-way from

$497
(Mytrip)

Popular in

December

Cheapest in

November

Average price

$787
Provider with most accurate pricing for Washington, D.C. (WAS)-Geneva Geneve-Cointrin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Geneva Geneve-Cointrin flights.
Search Deals
From Washington, D.C. Reagan-National to Lausanne
Search Deals
One-way flight from Washington, D.C. Reagan-National to Lausanne
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Reagan-National to Lausanne

Cheapest flights from Reagan-National to Lausanne
Explore the most affordable flight options available from Reagan-National to Lausanne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2811:00 amDCA - GVA
2 stops26h 30mScandinavian Airlines
Mon 5/511:00 amGVA - DCA
2 stops17h 45mScandinavian Airlines
Deal found 3/31$791
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Mon 4/2811:00 amDCA - GVA
3 stops21h 35mMultiple Airlines
Mon 5/59:25 amGVA - DCA
3 stops18h 28mMultiple Airlines
Deal found 3/31$880
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Sun 10/126:00 amDCA - GVA
1 stop22h 15mUnited Airlines
Fri 10/2412:15 pmGVA - DCA
1 stop14h 51mUnited Airlines
Deal found 3/31$892
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/125:00 pmDCA - GVA
1 stop11h 45mDelta
Wed 10/222:10 pmGVA - DCA
2 stops14h 09mDelta
Deal found 3/31$928
This CheapOair deal was found by Cheapflights users on 4/1. 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.
Tue 8/54:30 pmDCA - GVA
1 stop11h 25mAir Canada
Thu 8/2112:40 pmGVA - DCA
2 stops29h 23mAir Canada
Deal found 4/1$1,042
This oojo deal was found by Cheapflights users on 3/31. 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.
Tue 7/86:45 pmDCA - GVA
2 stops36h 20mIcelandair
Thu 7/242:00 pmGVA - DCA
2 stops26h 38mIcelandair
Deal found 3/31$1,076
This ITA Airways deal was found by Cheapflights users on 3/31. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/76:05 amDCA - GVA
2 stops22h 35mITA Airways
Mon 8/186:55 pmGVA - DCA
2 stops34h 35mITA Airways
Deal found 3/31$1,095
This Cheapflightsfares deal was found by Cheapflights users on 4/1. 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.
Thu 4/311:39 amDCA - GVA
2 stops18h 31mTAP AIR PORTUGAL
Tue 4/86:05 amGVA - DCA
2 stops32h 20mTAP AIR PORTUGAL
Deal found 4/1$1,127
This Orbitz deal was found by Cheapflights users on 3/31. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:13 pmDCA - GVA
2 stops19h 37mBritish Airways
Mon 1/59:40 pmGVA - DCA
2 stops24h 47mBritish Airways
Deal found 3/31$1,261
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/23:27 pmDCA - GVA
2 stops11h 58mAmerican Airlines
Sat 9/67:20 amGVA - DCA
2 stops14h 59mAmerican Airlines
Deal found 4/1$1,426
This FlightHub deal was found by Cheapflights users on 3/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/57:00 amDCA - GVA
2 stops44h 40mLOT
Fri 4/1110:25 amGVA - DCA
2 stops40h 34mLOT
Deal found 3/31$1,463

Cheapflights Fare Finder

Customize your flight search to find flights from Reagan-National to Lausanne 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 2,558,603 searches. Data last updated April 1, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Lausanne that are best for you.

Fly from

Reagan-National

Fly to

Lausanne

Route

Depart

Return

Price

Washington, D.C.Geneva

DCA - GVA

DCAGVA

Washington, D.C. Reagan-National

Mon 4/28

11:00 am-7:30 pm

2 stops26h 30m

Geneva Geneve-Cointrin

Mon 5/5

11:00 am-10:45 pm

2 stops17h 45m

$791

Washington, D.C.Geneva

DCA - GVA

DCAGVA

Washington, D.C. Reagan-National

Mon 4/28

11:00 am-2:35 pm

3 stops21h 35m

Geneva Geneve-Cointrin

Mon 5/5

9:25 am-9:53 pm

3 stops18h 28m

$880

Washington, D.C.Geneva

DCA - GVA

DCAGVA

Washington, D.C. Reagan-National

Tue 9/23

1:00 pm-9:35 am

2 stops14h 35m

Geneva Geneve-Cointrin

Tue 10/7

9:20 am-4:23 pm

1 stop13h 03m

$1,006

Washington, D.C.Geneva

DCA - GVA

DCAGVA

Washington, D.C. Reagan-National

Tue 8/5

4:30 pm-9:55 am

1 stop11h 25m

Geneva Geneve-Cointrin

Thu 8/21

12:40 pm-12:03 pm

2 stops29h 23m

$1,042

Washington, D.C.Geneva

DCA - GVA

DCAGVA

Washington, D.C. Reagan-National

Sun 9/21

5:00 pm-10:45 am

1 stop11h 45m

Geneva Geneve-Cointrin

Fri 10/10

12:45 pm-10:19 pm

1 stop15h 34m

$1,056

Washington, D.C.Geneva

DCA - GVA

DCAGVA

Washington, D.C. Reagan-National

Tue 7/8

6:45 pm-1:05 pm

2 stops36h 20m

Geneva Geneve-Cointrin

Thu 7/24

2:00 pm-10:38 am

2 stops26h 38m

$1,076

Washington, D.C.Geneva

DCA - GVA

DCAGVA

Washington, D.C. Reagan-National

Thu 8/7

6:05 am-10:40 am

2 stops22h 35m

Geneva Geneve-Cointrin

Mon 8/18

6:55 pm-11:30 pm

2 stops34h 35m

$1,095

Washington, D.C.Geneva

DCA - GVA

DCAGVA

Washington, D.C. Reagan-National

Mon 6/9

11:10 am-3:10 pm

2 stops22h 00m

Geneva Geneve-Cointrin

Tue 6/17

6:20 pm-7:40 pm

2 stops31h 20m

$1,287

Washington, D.C.Geneva

DCA - GVA

DCAGVA

Washington, D.C. Reagan-National

Sat 5/17

5:49 pm-9:15 am

2 stops33h 26m

Geneva Geneve-Cointrin

Mon 5/26

9:15 pm-3:55 pm

2 stops24h 40m

$1,341

Washington, D.C.Geneva

DCA - GVA

DCAGVA

Washington, D.C. Reagan-National

Tue 9/2

3:27 pm-9:25 am

2 stops11h 58m

Geneva Geneve-Cointrin

Sat 9/6

7:20 am-4:19 pm

2 stops14h 59m

$1,426

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 20 results
1
2

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

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

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Lausanne

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Lausanne (average of $676). Flying from Washington, D.C. Reagan-National Airport to Lausanne in June is currently the most expensive (average of $1,207). 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 time of day to fly from DCA to LS9?

Find hourly flight availability from Reagan-National to Lausanne. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Lausanne as you normally would.

Rainfall in Lausanne by month

Plan your trip to Lausanne by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lausanne ranges from 2.7 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Lausanne when rainfall is around 2.7 in.

Temperature in Lausanne by month

Plan your trip to Lausanne by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lausanne, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Lausanne

Get insights into the airlines that provide service to Lausanne. 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 Lausanne. Reviews last updated April 1, 2025.
Get a feel of what it's like to fly with Delta, LOT and United Airlines from Washington, D.C. to Lausanne by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,065 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,615 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Scandinavian Airlines
7.3
Good
1,326 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Lausanne. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Lausanne one-way?

    One-way options have recently been found by users for as low as $644 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include British Airways from $1,243 and United Airlines from $1,438 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Lausanne 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 Washington, D.C. Reagan-National Airport to Lausanne?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Lausanne (average of $676). Flying from Washington, D.C. Reagan-National Airport to Lausanne in June is currently the most expensive (average of $1,207). 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

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.

Top airline flying from Reagan-National to Lausanne

Discover the top airline that operate flights from Reagan-National to Lausanne. 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 2,558,603 searches. Data last updated April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$682Average$892FlexibilityNo cancel feeOn-time69%
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.