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Lausanne

$204+ Cheap flights from Dulles Intl (IAD) 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GVA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Lausanne are usually found in January or November, booked 75 days in advance, depart on a Sunday or Wednesday and return on a Monday

Cheap flight deals from Dulles Intl to Lausanne

Keep the following information in mind while searching for Dulles Intl to Lausanne flight deals. Data was last updated June 12, 2025.

Round-trip from

$656
(Cheapflightsfares)

One-way from

$204
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$1,284
From Washington, D.C. Dulles Intl to Lausanne
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One-way flight from Washington, D.C. Dulles Intl to Lausanne
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Highest demand for flights based on searches. 15% potential increase in price ($177 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Dulles Intl to Lausanne

Cheapest flights from Dulles Intl to Lausanne
Explore the most affordable flight options available from Dulles Intl to Lausanne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Iberia deal was found by Cheapflights users on 6/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/84:35 pmIAD - GVA
1 stop13h 10mIberia
Sat 10/187:00 amGVA - IAD
1 stop14h 00mIberia
Deal found 6/11$656
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 8/255:45 pmIAD - GVA
1 stop19h 15mUnited Airlines
Sat 9/66:10 amGVA - IAD
2 stops20h 55mUnited Airlines
Deal found 6/12$657
This Air Canada deal was found by Cheapflights users on 6/12. 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.
Thu 8/212:25 pmIAD - GVA
2 stops14h 15mAir Canada
Wed 9/37:15 amGVA - IAD
2 stops15h 03mAir Canada
Deal found 6/12$659
This Ovago deal was found by Cheapflights users on 6/11. 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.
Wed 9/310:20 pmIAD - GVA
1 stop12h 05mLufthansa
Sat 9/2011:00 amGVA - IAD
Nonstop9h 20mLufthansa
Deal found 6/11$662
This Delta deal was found by Cheapflights users on 6/12. 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.
Wed 8/1310:07 amIAD - GVA
2 stops17h 33mDelta
Sat 8/237:15 amGVA - IAD
2 stops18h 28mDelta
Deal found 6/12$663
This FlightHub deal was found by Cheapflights users on 6/12. 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.
Thu 8/74:30 pmIAD - GVA
1 stop12h 10mITA Airways
Sat 8/237:05 pmGVA - IAD
1 stop25h 35mITA Airways
Deal found 6/12$665
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Thu 9/112:25 pmIAD - GVA
2 stops14h 15mMultiple Airlines
Tue 9/307:15 amGVA - IAD
2 stops14h 55mMultiple Airlines
Deal found 6/11$666
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/810:40 pmIAD - GVA
1 stop18h 30mBritish Airways
Sat 8/239:55 amGVA - IAD
1 stop16h 20mBritish Airways
Deal found 6/10$672
This Turkish Airlines deal was found by Cheapflights users on 6/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/99:40 pmIAD - GVA
1 stop34h 05mTurkish Airlines
Sat 10/187:00 pmGVA - IAD
1 stop22h 45mTurkish Airlines
Deal found 6/11$675
This oojo deal was found by Cheapflights users on 6/11. 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 12/510:30 pmIAD - GVA
1 stop18h 45mTAP AIR PORTUGAL
Sat 12/137:15 pmGVA - IAD
2 stops31h 45mTAP AIR PORTUGAL
Deal found 6/11$679
This Brussels Airlines deal was found by Cheapflights users on 6/9. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/15:35 pmIAD - GVA
1 stop16h 40mBrussels Airlines
Mon 8/258:15 amGVA - IAD
1 stop11h 15mBrussels Airlines
Deal found 6/9$689
This Ovago deal was found by Cheapflights users on 6/11. 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 7/228:45 pmIAD - GVA
1 stop10h 00mSWISS
Wed 8/1311:00 amGVA - IAD
Nonstop9h 15mSWISS
Deal found 6/11$699

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl 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 June 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Lausanne that are best for you.

Fly from

Dulles Intl

Fly to

Lausanne

Route

Depart

Return

Price

Washington, D.C.Geneva

IAD - GVA

IADGVA

Washington, D.C. Dulles Intl

Wed 10/8

4:35 pm-11:45 am

1 stop13h 10m

Geneva Geneve-Cointrin

Sat 10/18

7:00 am-3:00 pm

1 stop14h 00m

$656

Washington, D.C.Geneva

IAD - GVA

IADGVA

Washington, D.C. Dulles Intl

Mon 8/25

5:45 pm-7:00 pm

1 stop19h 15m

Geneva Geneve-Cointrin

Sat 9/6

6:10 am-9:05 pm

2 stops20h 55m

$657

Washington, D.C.Geneva

IAD - GVA

IADGVA

Washington, D.C. Dulles Intl

Thu 8/21

2:25 pm-10:40 am

2 stops14h 15m

Geneva Geneve-Cointrin

Wed 9/3

7:15 am-4:18 pm

2 stops15h 03m

$659

Washington, D.C.Geneva

IAD - GVA

IADGVA

Washington, D.C. Dulles Intl

Wed 9/3

10:20 pm-4:25 pm

1 stop12h 05m

Geneva Geneve-Cointrin

Sat 9/20

11:00 am-2:20 pm

Nonstop9h 20m

$662

Washington, D.C.Geneva

IAD - GVA

IADGVA

Washington, D.C. Dulles Intl

Wed 8/13

10:07 am-9:40 am

2 stops17h 33m

Geneva Geneve-Cointrin

Sat 8/23

7:15 am-7:43 pm

2 stops18h 28m

$663

Washington, D.C.Geneva

IAD - GVA

IADGVA

Washington, D.C. Dulles Intl

Thu 8/7

4:30 pm-10:40 am

1 stop12h 10m

Geneva Geneve-Cointrin

Sat 8/23

7:05 pm-2:40 pm

1 stop25h 35m

$665

Washington, D.C.Geneva

IAD - GVA

IADGVA

Washington, D.C. Dulles Intl

Thu 9/11

2:25 pm-10:40 am

2 stops14h 15m

Geneva Geneve-Cointrin

Tue 9/30

7:15 am-4:10 pm

2 stops14h 55m

$666

Washington, D.C.Geneva

IAD - GVA

IADGVA

Washington, D.C. Dulles Intl

Fri 8/8

10:40 pm-11:10 pm

1 stop18h 30m

Geneva Geneve-Cointrin

Sat 8/23

9:55 am-8:15 pm

1 stop16h 20m

$672

Washington, D.C.Geneva

IAD - GVA

IADGVA

Washington, D.C. Dulles Intl

Fri 12/5

10:30 pm-11:15 pm

1 stop18h 45m

Geneva Geneve-Cointrin

Sat 12/13

7:15 pm-9:00 pm

2 stops31h 45m

$679

Washington, D.C.Geneva

IAD - GVA

IADGVA

Washington, D.C. Dulles Intl

Fri 8/1

5:35 pm-4:15 pm

1 stop16h 40m

Geneva Geneve-Cointrin

Sat 8/23

7:05 am-1:30 pm

1 stop12h 25m

$689

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 28 results
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Best time to book a flight from Dulles Intl to Lausanne

Have a flexible travel schedule? Discover the best time to fly to Lausanne 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Lausanne

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Lausanne. Price data was last updated on June 9, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Lausanne is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Lausanne (average of $676). Flying from Washington, D.C. Dulles Intl Airport to Lausanne in June is currently the most expensive (average of $1,141). 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 IAD to LS9?

Find hourly flight availability from Dulles Intl 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 June 12, 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. Dulles Intl Airport to Lausanne as you normally would.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Lausanne

Explore weekly flight availability from Dulles Intl to Lausanne. 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 June 12, 2025.

The most flights from IAD to LS9 are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

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 June 12, 2025.
To help decide which airline to fly from Washington, D.C. to Lausanne, see what other customers have to say about Delta, Air France and SWISS. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Brussels Airlines
7.4
Good
355 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl Airport to Lausanne one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $204. TAP AIR PORTUGAL flights start at $315 while deals on Brussels Airlines start at $350 one-way.

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

    The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Lausanne are Air Canada (72%), Austrian Airlines (72%) and Brussels Airlines (72%).

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

    Looking at all options, your cheapest flight can be booked for $496. While the most popular route (Washington, D.C. Dulles Intl - Geneva Geneve-Cointrin) can be booked for $377 on average our data indicates $848 when flying from Washington, D.C. Dulles Intl Airport to Lausanne.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Lausanne?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Lausanne (average of $676). Flying from Washington, D.C. Dulles Intl Airport to Lausanne in June is currently the most expensive (average of $1,141). 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 10 airlines flying from Dulles Intl to Lausanne

Discover the top 10 airlines that operate flights from Dulles Intl 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$375Average$584FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$503Average$718FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$530Average$630FlexibilityNo cancel feeOn-time77%
DeltaCheapest$548Average$818FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$651Average$777FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$689Average$1,178FlexibilityNo cancel feeOn-time69%
SWISSCheapest$719Average$1,081FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$751Average$980FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$785Average$1,120FlexibilityNo cancel feeOn-timeN/A
Brussels AirlinesCheapest$996Average$1,505FlexibilityNo cancel feeOn-timeN/A

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