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Lausanne

$328+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GVA
may. 4 — may. 111
dom. 5/4
dom. 5/11
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 32 days in advance, depart on a Sunday or Wednesday and return on a Tuesday

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 abril 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$724
(Kiwi.com)

One-way from

$328
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$1,030
Provider with most accurate pricing for Washington, D.C. (WAS)-Geneva Geneve-Cointrin flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Geneva Geneve-Cointrin flights.
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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. 16% potential increase in price ($197 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 29, 2025.

This oojo deal was found by Cheapflights users on 4/28. 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.
jue. 8/219:40 pmIAD - GVA
1 stop34h 05mTurkish Airlines
dom. 9/72:40 pmGVA - IAD
1 stop35h 05mTurkish Airlines
Deal found 4/28$710
This oojo deal was found by Cheapflights users on 4/28. 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.
dom. 8/3110:05 pmIAD - GVA
1 stop30h 15mScandinavian Airlines
jue. 9/187:15 amGVA - IAD
2 stops18h 44mScandinavian Airlines
Deal found 4/28$715
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/510:30 pmIAD - GVA
2 stops35h 05mTAP AIR PORTUGAL
sáb. 12/136:05 amGVA - IAD
1 stop15h 10mTAP AIR PORTUGAL
Deal found 4/28$738
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/55:25 pmIAD - GVA
Nonstop8h 15mUnited Airlines
jue. 8/2112:40 pmGVA - IAD
1 stop14h 21mUnited Airlines
Deal found 4/29$744
This United deal was found by Cheapflights users on 4/28. 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.
dom. 8/175:25 pmIAD - GVA
Nonstop8h 15mMultiple Airlines
lun. 8/256:40 pmGVA - IAD
1 stop27h 35mMultiple Airlines
Deal found 4/28$763
This Air Canada deal was found by Cheapflights users on 4/28. 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.
mié. 8/139:45 amIAD - GVA
2 stops18h 50mAir Canada
sáb. 8/237:15 amGVA - IAD
2 stops19h 46mAir Canada
Deal found 4/28$833
This Delta deal was found by Cheapflights users on 4/28. 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.
vie. 8/812:12 pmIAD - GVA
1 stop16h 33mDelta
sáb. 8/2312:45 pmGVA - IAD
1 stop12h 52mDelta
Deal found 4/28$859
This Cheapflightsfares deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/66:10 pmIAD - GVA
2 stops16h 15mLufthansa
lun. 8/187:40 pmGVA - IAD
2 stops23h 50mLufthansa
Deal found 4/29$861
This Gurufare deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/68:30 pmIAD - GVA
1 stop10h 35mIcelandair
dom. 8/172:00 pmGVA - IAD
1 stop14h 10mIcelandair
Deal found 4/29$878
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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.
mar. 7/85:20 pmIAD - GVA
1 stop10h 05mAer Lingus
mié. 7/2310:05 amGVA - IAD
1 stop11h 45mAer Lingus
Deal found 4/28$943
This Gurufare deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/175:25 pmIAD - GVA
Nonstop8h 15mBrussels Airlines
lun. 8/2511:00 amGVA - IAD
Nonstop9h 15mBrussels Airlines
Deal found 4/29$982
This oojo deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/24:30 pmIAD - GVA
1 stop12h 10mITA Airways
lun. 6/96:55 pmGVA - IAD
1 stop25h 45mITA Airways
Deal found 4/29$984

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 abril 29, 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

mar. 5/13

1:30 pm-1:45 pm

1 stop18h 15m

Geneva Geneve-Cointrin

lun. 6/2

2:40 pm-11:45 am

1 stop27h 05m

$714

Washington, D.C.Geneva

IAD - GVA

IADGVA

Washington, D.C. Dulles Intl

mar. 5/13

8:30 pm-7:35 pm

2 stops17h 05m

Geneva Geneve-Cointrin

mié. 5/21

6:20 pm-3:20 pm

1 stop27h 00m

$804

Washington, D.C.Geneva

IAD - GVA

IADGVA

Washington, D.C. Dulles Intl

dom. 5/18

10:05 pm-10:20 am

1 stop30h 15m

Geneva Geneve-Cointrin

vie. 8/15

11:00 am-7:59 pm

1 stop14h 59m

$811

Washington, D.C.Geneva

IAD - GVA

IADGVA

Washington, D.C. Dulles Intl

dom. 5/4

10:20 pm-3:10 pm

2 stops34h 50m

Geneva Geneve-Cointrin

mié. 5/14

6:20 pm-3:20 pm

1 stop27h 00m

$838

Washington, D.C.Geneva

IAD - GVA

IADGVA

Washington, D.C. Dulles Intl

mar. 7/8

5:20 pm-9:25 am

1 stop10h 05m

Geneva Geneve-Cointrin

mié. 7/23

10:05 am-3:50 pm

1 stop11h 45m

$943

Washington, D.C.Geneva

IAD - GVA

IADGVA

Washington, D.C. Dulles Intl

lun. 6/2

4:30 pm-10:40 am

1 stop12h 10m

Geneva Geneve-Cointrin

lun. 6/9

6:55 pm-2:40 pm

1 stop25h 45m

$984

Washington, D.C.Geneva

IAD - GVA

IADGVA

Washington, D.C. Dulles Intl

lun. 7/21

12:12 pm-10:45 am

1 stop16h 33m

Geneva Geneve-Cointrin

vie. 8/1

12:45 pm-7:51 pm

1 stop13h 06m

$994

Washington, D.C.Geneva

IAD - GVA

IADGVA

Washington, D.C. Dulles Intl

mié. 7/9

8:30 pm-1:05 pm

1 stop10h 35m

Geneva Geneve-Cointrin

jue. 7/24

2:00 pm-10:10 pm

1 stop14h 10m

$999

Washington, D.C.Geneva

IAD - GVA

IADGVA

Washington, D.C. Dulles Intl

lun. 7/21

2:25 pm-9:55 am

2 stops13h 30m

Geneva Geneve-Cointrin

vie. 8/1

7:15 am-4:10 pm

2 stops14h 55m

$1,004

Washington, D.C.Geneva

IAD - GVA

IADGVA

Washington, D.C. Dulles Intl

mié. 7/9

9:00 pm-8:35 pm

2 stops17h 35m

Geneva Geneve-Cointrin

jue. 7/24

10:10 am-3:55 pm

1 stop11h 45m

$1,016

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 24 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 April 25, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Lausanne is 32 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 $1,186). 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 abril 29, 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 abril 29, 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 abril 29, 2025.
To help decide which airline to fly from Washington, D.C. to Lausanne, see what other customers have to say about Delta, KLM 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
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

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
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

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.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

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.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

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
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

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.
Turkish Airlines
7.3
Good
3,788 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

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 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 TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at $349. Scandinavian Airlines flights start at $400 while deals on Icelandair start at $435 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 $543. While the most popular route (Washington, D.C. Dulles Intl - Geneva Geneve-Cointrin) can be booked for $420 on average our data indicates $1,328 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 $1,186). 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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$375Average$585FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$503Average$798FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$530Average$662FlexibilityNo cancel feeOn-time77%
DeltaCheapest$548Average$999FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$609Average$784FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$719Average$1,225FlexibilityNo cancel feeOn-time69%
SWISSCheapest$746Average$1,117FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$751Average$1,062FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$785Average$1,105FlexibilityNo cancel feeOn-timeN/A
Brussels AirlinesCheapest$996Average$1,454FlexibilityNo cancel feeOn-timeN/A

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