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Interlaken

$396+ Cheap flights from Dulles Intl (IAD) to Interlaken, 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ZRH
Mar 10 — Mar 171
Mon 3/10
Mon 3/17
1 adult, Economy
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The best prices from Washington, D.C. Dulles Intl to Interlaken are usually found in February or January, booked 62 days in advance, depart on a Tuesday or Monday and return on a Sunday

Cheap flight deals from Dulles Intl to Interlaken

Keep the following information in mind while searching for Dulles Intl to Interlaken flight deals. Data was last updated March 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$573
(FlightHub)

One-way from

$396
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$811
Provider with most accurate pricing for Washington, D.C. (WAS)-Zurich flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Zurich flights.
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From Washington, D.C. Dulles Intl to Interlaken
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One-way flight from Washington, D.C. Dulles Intl to Interlaken
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Highest demand for flights based on searches. 18% potential increase in price ($224 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Dulles Intl to Interlaken

Cheapest flights from Dulles Intl to Interlaken
Explore the most affordable flight options available from Dulles Intl to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 5, 2025.

This FlightHub deal was found by Cheapflights users on 3/4. 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.
Wed 3/196:10 pmIAD - ZRH
1 stop10h 35mScandinavian Airlines
Thu 3/278:25 pmZRH - IAD
1 stop25h 15mScandinavian Airlines
Deal found 3/4$573
This oojo deal was found by Cheapflights users on 3/4. 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.
Wed 4/238:30 pmIAD - ZRH
1 stop10h 35mIcelandair
Tue 4/292:00 pmZRH - IAD
1 stop11h 20mIcelandair
Deal found 3/4$580
This CrystalTravel deal was found by Cheapflights users on 3/4. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/203:00 pmIAD - ZRH
1 stop17h 50mTurkish Airlines
Sun 3/306:35 pmZRH - IAD
1 stop22h 10mTurkish Airlines
Deal found 3/4$597
This Mytrip deal was found by Cheapflights users on 3/4. 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.
Tue 4/110:05 pmIAD - ZRH
3 stops28h 50mMultiple Airlines
Tue 4/89:55 pmZRH - IAD
2 stops28h 04mMultiple Airlines
Deal found 3/4$639
This oojo deal was found by Cheapflights users on 3/5. 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 4/410:20 pmIAD - ZRH
1 stop18h 10mTAP AIR PORTUGAL
Fri 4/116:10 amZRH - IAD
1 stop15h 10mTAP AIR PORTUGAL
Deal found 3/5$675
This United Airlines deal was found by Cheapflights users on 3/4. 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 3/245:30 pmIAD - ZRH
Nonstop8h 10mUnited Airlines
Tue 4/812:50 pmZRH - IAD
Nonstop9h 25mUnited Airlines
Deal found 3/4$723
This Air Canada deal was found by Cheapflights users on 3/3. 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.
Tue 4/18:17 amIAD - ZRH
2 stops15h 53mAir Canada
Wed 4/912:40 pmZRH - IAD
2 stops25h 15mAir Canada
Deal found 3/3$730
This SWISS deal was found by Cheapflights users on 3/3. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/188:45 pmIAD - ZRH
Nonstop7h 50mSWISS
Fri 11/281:00 pmZRH - IAD
Nonstop9h 30mSWISS
Deal found 3/3$743
This Delta deal was found by Cheapflights users on 3/4. 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.
Tue 3/1812:15 pmIAD - ZRH
1 stop17h 15mDelta
Wed 3/266:55 amZRH - IAD
2 stops17h 24mDelta
Deal found 3/4$753
This British Airways deal was found by Cheapflights users on 3/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/197:00 pmIAD - ZRH
1 stop12h 00mBritish Airways
Mon 3/249:05 pmZRH - IAD
1 stop24h 30mBritish Airways
Deal found 3/4$779

Find flights from Dulles Intl to Interlaken within your budget

Customize your flight search to find flights from Dulles Intl to Interlaken 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 March 5, 2025.

Fly from

Dulles Intl

Fly to

Interlaken

Route

Depart

Return

Price

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Wed 3/19

6:10 pm-9:45 am

1 stop10h 35m

Zurich

Thu 3/27

8:25 pm-4:40 pm

1 stop25h 15m

$573

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Wed 4/23

8:30 pm-1:05 pm

1 stop10h 35m

Zurich

Tue 4/29

2:00 pm-7:20 pm

1 stop11h 20m

$580

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Thu 3/20

3:00 pm-1:50 pm

1 stop17h 50m

Zurich

Sun 3/30

6:35 pm-10:45 am

1 stop22h 10m

$597

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Tue 4/1

10:05 pm-8:55 am

3 stops28h 50m

Zurich

Tue 4/8

9:55 pm-7:59 pm

2 stops28h 04m

$639

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Fri 4/4

10:20 pm-10:30 pm

1 stop18h 10m

Zurich

Fri 4/11

6:10 am-3:20 pm

1 stop15h 10m

$675

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Mon 3/24

5:30 pm-6:40 am

Nonstop8h 10m

Zurich

Fri 4/4

11:55 am-3:15 pm

Nonstop9h 20m

$723

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Tue 4/1

8:17 am-6:10 am

2 stops15h 53m

Zurich

Wed 4/9

12:40 pm-7:55 am

2 stops25h 15m

$730

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Sat 3/29

7:59 pm-9:35 am

1 stop32h 36m

Zurich

Tue 4/8

1:35 pm-9:09 am

2 stops25h 34m

$748

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Tue 4/1

8:45 pm-10:50 am

Nonstop8h 05m

Zurich

Thu 4/10

12:50 pm-4:15 pm

Nonstop9h 25m

$771

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Wed 3/19

7:00 pm-12:00 pm

1 stop12h 00m

Zurich

Mon 3/24

9:05 pm-4:35 pm

1 stop24h 30m

$779

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 20 results
1
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Best time to book a flight from Dulles Intl to Interlaken

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

Travel insights for flights from Dulles Intl to Interlaken

Get recent, data-driven insights about flights from Dulles Intl to Interlaken including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Interlaken. Price data was last updated on February 28, 2025.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Interlaken may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Interlaken (average of $637). Flying from Washington, D.C. Dulles Intl Airport to Interlaken in June is currently the most expensive (average of $1,296). 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 IN9?

Find hourly flight availability from Dulles Intl to Interlaken. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 5, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Interlaken, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Interlaken by month

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

In terms of precipitation, rainfall in Interlaken ranges from 2.5 - 5.0 inches per month. June is typically the wettest month, when rainfall can reach 5.0 in. January is typically the driest time to visit Interlaken when rainfall is around 2.5 in.

Temperature in Interlaken by month

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

If weather is an important factor for your trip to Interlaken, 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 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Interlaken

Get insights into the airlines that provide service to Interlaken. 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 Interlaken. Reviews last updated March 5, 2025.
To help decide which airline to fly from Washington, D.C. to Interlaken, see what other customers have to say about Delta, SWISS and Air France. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,045 reviews

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
8,045 reviews
Delta
8.0
Very good
8,045 reviews

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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.

SWISS
7.5
Good
1,562 reviews
Delta
8.0
Very good
8,045 reviews

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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.

Air France
7.4
Good
1,434 reviews
Delta
8.0
Very good
8,045 reviews

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
8,660 reviews
Delta
8.0
Very good
8,045 reviews

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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.

Turkish Airlines
7.3
Good
3,790 reviews
Delta
8.0
Very good
8,045 reviews

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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 Dulles Intl to Interlaken. 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 Interlaken one-way?

    To fly one-way, consider booking your trip with Scandinavian Airlines, which is currently one of the cheapest options available, starting at $398. TAP AIR PORTUGAL flights start at $402 while deals on Turkish Airlines start at $469 one-way.

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

    Before booking your flight to Interlaken from Washington, D.C. Dulles Intl Airport, check out the most reliable airlines to get you to your destination on time: Air Canada (66%), United Airlines (66%), SWISS( 66%).

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

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Interlaken? While on average our users pay $4,478, our data indicates the cheapest price to be $463. The most popular route (Washington, D.C. Dulles Intl - Zurich), is priced around $491.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Interlaken 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 Interlaken?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Interlaken (average of $637). Flying from Washington, D.C. Dulles Intl Airport to Interlaken in June is currently the most expensive (average of $1,296). 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

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Top 10 airlines flying from Dulles Intl to Interlaken

Discover the top 10 airlines that operate flights from Dulles Intl to Interlaken. 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 March 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$375Average$578FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$387Average$817FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$503Average$780FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$530Average$677FlexibilityNo cancel feeOn-time77%
DeltaCheapest$548Average$1,081FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$555Average$1,001FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$613Average$885FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$694Average$1,186FlexibilityNo cancel feeOn-time69%
SWISSCheapest$724Average$1,125FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$751Average$1,063FlexibilityNo cancel feeOn-time76%
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