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Interlaken

$234+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ZRH
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Interlaken are usually found in November 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

Keep the following information in mind while searching for Dulles Intl to Interlaken flight deals. Data was last updated July 2, 2025.

Round-trip from

$545
(Scandinavian Airlines)

One-way from

$234
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,160
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. 19% potential increase in price ($223 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 2, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 7/1. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1610:05 pmIAD - ZRH
2 stops29h 20mScandinavian Airlines
Sun 8/247:40 pmZRH - IAD
2 stops30h 19mScandinavian Airlines
Deal found 7/1$545
This CrystalTravel deal was found by Cheapflights users on 7/1. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/128:45 pmIAD - ZRH
Nonstop8h 05mSWISS
Thu 8/2112:50 pmZRH - IAD
Nonstop9h 25mSWISS
Deal found 7/1$558
This Icelandair deal was found by Cheapflights users on 7/1. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2711:15 pmIAD - ZRH
1 stop31h 50mIcelandair
Tue 9/22:00 pmZRH - IAD
1 stop14h 10mIcelandair
Deal found 7/1$560
This Gotogate deal was found by Cheapflights users on 7/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/128:45 pmIAD - ZRH
Nonstop8h 05mMultiple Airlines
Thu 8/219:55 amZRH - IAD
1 stop29h 42mMultiple Airlines
Deal found 7/1$564
This oojo deal was found by Cheapflights users on 6/30. 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.
Thu 8/281:30 pmIAD - ZRH
1 stop18h 35mTurkish Airlines
Thu 9/46:40 pmZRH - IAD
1 stop23h 05mTurkish Airlines
Deal found 6/30$584
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Tue 12/912:35 pmIAD - ZRH
1 stop11h 35mUnited Airlines
Tue 3/311:45 amZRH - IAD
Nonstop9h 45mUnited Airlines
Deal found 7/2$592
This Air Canada deal was found by Cheapflights users on 7/2. 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.
Sun 12/71:20 pmIAD - ZRH
2 stops15h 05mAir Canada
Wed 3/412:45 pmZRH - IAD
1 stop14h 14mAir Canada
Deal found 7/2$599
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2712:45 pmIAD - ZRH
1 stop13h 20mDelta
Thu 8/2110:10 amZRH - IAD
1 stop17h 32mDelta
Deal found 7/1$604

Cheapflights Fare Finder

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 July 2, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Interlaken that are best for you.

Fly from

Dulles Intl

Fly to

Interlaken

Route

Depart

Return

Price

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Sat 8/16

10:05 pm-9:25 am

2 stops29h 20m

Zurich

Sun 8/24

7:40 pm-7:59 pm

2 stops30h 19m

$545

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Thu 8/28

11:15 pm-3:55 pm

1 stop10h 40m

Zurich

Fri 9/5

4:55 pm-10:10 pm

1 stop11h 15m

$556

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Tue 8/12

8:45 pm-10:50 am

Nonstop8h 05m

Zurich

Thu 8/21

9:55 am-9:37 am

1 stop29h 42m

$564

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Sun 8/10

8:45 pm-10:50 am

Nonstop8h 05m

Zurich

Tue 8/19

12:50 pm-4:15 pm

Nonstop9h 25m

$583

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Sun 8/10

8:45 pm-10:50 am

Nonstop8h 05m

Zurich

Tue 8/19

11:55 am-3:25 pm

Nonstop9h 30m

$592

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Sun 7/27

12:45 pm-8:05 am

1 stop13h 20m

Zurich

Thu 8/21

10:10 am-9:42 pm

1 stop17h 32m

$604

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Fri 8/29

1:30 pm-9:50 am

1 stop14h 20m

Zurich

Fri 9/5

3:00 pm-7:45 pm

1 stop34h 45m

$605

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Sun 8/10

9:20 pm-10:30 pm

1 stop19h 10m

Zurich

Tue 8/19

7:45 am-7:15 pm

1 stop17h 30m

$607

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Mon 8/11

7:25 pm-6:00 pm

1 stop16h 35m

Zurich

Thu 8/21

11:45 am-11:59 pm

2 stops18h 14m

$608

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Tue 7/15

5:00 pm-10:20 am

1 stop11h 20m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 12 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.

Cheapflights Insights

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

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 June 27, 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 $1,158). 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 July 2, 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 July 2, 2025.

The most flights from IAD to IN9 are scheduled on a Monday (8 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 on average).

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 July 2, 2025.
Get a feel of what it's like to fly with Delta, Air France, and SWISS from Washington, D.C. Dulles Intl Airport to Interlaken by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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
1,472 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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
1,654 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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
8,861 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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!
Turkish Airlines
7.3
Good
3,891 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

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 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 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 (69%), United Airlines (69%), SWISS( 69%).

  • 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 $4,642, our data indicates the cheapest price to be $354. The most popular route (Washington, D.C. Dulles Intl - Zurich), is priced around $374.

  • 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 $1,158). 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$375Average$570FlexibilityNo cancel feeOn-time77%
DeltaCheapest$382Average$887FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$386Average$608FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$468Average$741FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$494Average$835FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$530Average$654FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$555Average$1,009FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$625Average$1,070FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$649Average$1,124FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$751Average$915FlexibilityNo cancel feeOn-time76%

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