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Interlaken

$362+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ZRH
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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The best prices from Washington, D.C. Dulles Intl to Interlaken are usually found in February or October, booked 62 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Dulles Intl to Interlaken

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Interlaken (IN9). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$521
(Mytrip)

One-way from

$385
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$780
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. 20% potential increase in price ($250 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in January 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 January 30, 2025.

This oojo deal was found by Cheapflights users on 1/29. 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.
Sat 3/298:30 pmIAD - ZRH
1 stop10h 35mIcelandair
Sun 4/62:00 pmZRH - IAD
1 stop11h 20mIcelandair
Deal found 1/29$519
This Mytrip deal was found by Cheapflights users on 1/30. 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.
Wed 3/196:10 pmIAD - ZRH
1 stop10h 35mScandinavian Airlines
Tue 3/251:00 pmZRH - IAD
2 stops32h 40mScandinavian Airlines
Deal found 1/30$521
This CheapOair deal was found by Cheapflights users on 1/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/276:10 pmIAD - ZRH
1 stop11h 10mAer Lingus
Sun 4/611:15 amZRH - IAD
1 stop13h 40mAer Lingus
Deal found 1/29$542
This oojo deal was found by Cheapflights users on 1/30. 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 2/112:00 pmIAD - ZRH
1 stop17h 50mTurkish Airlines
Tue 2/252:45 pmZRH - IAD
1 stop34h 45mTurkish Airlines
Deal found 1/30$596
This oojo deal was found by Cheapflights users on 1/30. 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 4/155:00 pmIAD - ZRH
1 stop14h 00mTAP AIR PORTUGAL
Wed 4/236:05 pmZRH - IAD
1 stop27h 15mTAP AIR PORTUGAL
Deal found 1/30$638
This American Airlines deal was found by Cheapflights users on 1/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/59:10 amIAD - ZRH
2 stops17h 40mAmerican Airlines
Sun 4/137:30 amZRH - IAD
1 stop13h 30mAmerican Airlines
Deal found 1/28$646
This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1910:45 pmIAD - ZRH
1 stop28h 50mBritish Airways
Sat 4/266:20 pmZRH - IAD
1 stop27h 30mBritish Airways
Deal found 1/28$649
This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/254:35 pmIAD - ZRH
1 stop12h 30mIberia
Fri 5/27:45 pmZRH - IAD
1 stop25h 15mIberia
Deal found 1/28$659
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/258:40 pmIAD - ZRH
2 stops34h 30mMultiple Airlines
Sun 4/62:00 pmZRH - IAD
1 stop11h 20mMultiple Airlines
Deal found 1/28$696

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 January 30, 2025.

Fly from

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Fly to

Any airport

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

Tue 3/25

1:00 pm-4:40 pm

2 stops32h 40m

$521

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Wed 3/26

6:10 pm-10:20 am

1 stop11h 10m

Zurich

Wed 4/2

11:15 am-7:30 pm

1 stop14h 15m

$575

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Tue 2/11

2:00 pm-1:50 pm

1 stop17h 50m

Zurich

Tue 2/25

2:45 pm-7:30 pm

1 stop34h 45m

$596

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Tue 4/15

5:00 pm-1:00 pm

1 stop14h 00m

Zurich

Wed 4/23

6:05 pm-3:20 pm

1 stop27h 15m

$638

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Mon 3/24

8:40 pm-12:05 pm

1 stop10h 25m

Zurich

Sun 4/6

2:00 pm-7:20 pm

1 stop11h 20m

$681

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Tue 3/25

10:15 pm-4:05 pm

1 stop12h 50m

Zurich

Tue 4/1

11:15 am-7:30 pm

1 stop14h 15m

$707

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Tue 3/25

9:45 pm-10:35 am

Nonstop7h 50m

Zurich

Tue 4/1

12:50 pm-4:15 pm

Nonstop9h 25m

$740

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Tue 3/25

11:35 pm-2:45 pm

1 stop10h 10m

Zurich

Tue 4/1

11:55 am-3:15 pm

Nonstop9h 20m

$745

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Sun 3/9

5:45 pm-10:05 am

1 stop11h 20m

Zurich

Thu 3/13

6:45 pm-3:40 pm

1 stop25h 55m

$748

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Sun 3/23

3:55 pm-11:50 am

2 stops14h 55m

Zurich

Tue 4/1

1:25 pm-7:55 am

1 stop24h 30m

$752

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 20 results
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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 January 24, 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 $1,315). 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 January 30, 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.

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

Explore weekly flight availability from Dulles Intl to Interlaken. 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 January 30, 2025.

The most flights from IAD to IN9 are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

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 January 30, 2025.
To help decide which airline to fly from Washington, D.C. to Interlaken, see what other customers have to say about SWISS, United Airlines and Turkish Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,584 reviews

Overall

7.5

Crew

8.2

Boarding

7.6

Entertainment

6.7

Food

7.0

Comfort

7.3

Reviews

1 / 20

6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

SWISS
7.5
Good
1,584 reviews
SWISS
7.5
Good
1,584 reviews

Overall

7.5

Crew

8.2

Boarding

7.6

Entertainment

6.7

Food

7.0

Comfort

7.3

Reviews

1 / 20

6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

United Airlines
7.4
Good
8,913 reviews
SWISS
7.5
Good
1,584 reviews

Overall

7.5

Crew

8.2

Boarding

7.6

Entertainment

6.7

Food

7.0

Comfort

7.3

Reviews

1 / 20

6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Turkish Airlines
7.3
Good
3,904 reviews
SWISS
7.5
Good
1,584 reviews

Overall

7.5

Crew

8.2

Boarding

7.6

Entertainment

6.7

Food

7.0

Comfort

7.3

Reviews

1 / 20

6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Scandinavian Airlines
7.3
Good
1,315 reviews
SWISS
7.5
Good
1,584 reviews

Overall

7.5

Crew

8.2

Boarding

7.6

Entertainment

6.7

Food

7.0

Comfort

7.3

Reviews

1 / 20

6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Aer Lingus
7.1
Good
1,077 reviews
SWISS
7.5
Good
1,584 reviews

Overall

7.5

Crew

8.2

Boarding

7.6

Entertainment

6.7

Food

7.0

Comfort

7.3

Reviews

1 / 20

6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

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 Icelandair, which is currently one of the cheapest options available, starting at $389. Scandinavian Airlines flights start at $395 while deals on TAP AIR PORTUGAL start at $440 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: Austrian Airlines (62%), Lufthansa (62%), Air Canada( 61%).

  • 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 $4,409, our data indicates the cheapest price to be $293. The most popular route (Washington, D.C. Dulles Intl - Zurich), is priced around $507.

  • 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 $1,315). 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$375Average$583FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$388Average$932FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$503Average$787FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$530Average$679FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$555Average$947FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$613Average$912FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$694Average$1,191FlexibilityNo cancel feeOn-time69%
SWISSCheapest$722Average$1,138FlexibilityNo cancel feeOn-time79%
DeltaCheapest$735Average$1,350FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$751Average$1,070FlexibilityNo cancel feeOn-time76%
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