HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Interlaken

$355+ Cheap flights from Washington, D.C. (WAS) 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ZRH
Jun 15 — Jun 221
Mon 6/15
Mon 6/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Interlaken with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Washington, D.C. to Interlaken are usually found in August or February, booked 90 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Washington, D.C. to Interlaken

Cheapest flights from Washington, D.C. to Interlaken
Explore the most affordable flight options available from Washington, D.C. to Interlaken. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 16, 2026.

This oojo deal was found by Cheapflights users on 5/11. 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.
Sun 11/87:40 pm
BWI
-
ZRH
1 stop10h 25m
Icelandair
Sat 11/141:00 pm
ZRH
-
BWI
1 stop11h 40m
Icelandair
Deal found 5/11$561
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:40 pm
BWI
-
ZRH
1 stop10h 25m
Icelandair
Sat 11/141:00 pm
ZRH
-
BWI
1 stop11h 40m
Icelandair
Deal found 5/11$586
This Icelandair deal was found by Cheapflights users on 5/11. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:40 pm
BWI
-
ZRH
1 stop10h 25m
Icelandair
Sat 11/141:00 pm
ZRH
-
BWI
1 stop11h 40m
Icelandair
Deal found 5/11$588
This FlightHub deal was found by Cheapflights users on 5/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:00 pm
BWI
-
ZRH
2 stops14h 40m
Scandinavian Airlines
Sun 11/158:25 pm
ZRH
-
BWI
2 stops32h 12m
Scandinavian Airlines
Deal found 5/11$766
This FlightHub deal was found by Cheapflights users on 5/13. 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 11/39:00 am
BWI
-
ZRH
2 stops18h 40m
Scandinavian Airlines
Sat 12/58:25 pm
ZRH
-
BWI
2 stops33h 46m
Scandinavian Airlines
Deal found 5/13$768
This Orbitz deal was found by Cheapflights users on 5/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:00 am
BWI
-
ZRH
2 stops28h 40m
Scandinavian Airlines
Mon 8/242:55 pm
ZRH
-
BWI
2 stops36h 18m
Scandinavian Airlines
Deal found 5/14$788
This Condor deal was found by Cheapflights users on 5/13. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:05 am
BWI
-
ZRH
2 stops22h 35m
Multiple Airlines
Tue 9/88:00 am
ZRH
-
BWI
2 stops18h 10m
Multiple Airlines
Deal found 5/13$790
This Scandinavian Airlines deal was found by Cheapflights users on 5/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/81:00 pm
BWI
-
ZRH
2 stops14h 40m
Scandinavian Airlines
Fri 11/1310:25 am
ZRH
-
BWI
2 stops19h 46m
Scandinavian Airlines
Deal found 5/11$800
This Scandinavian Airlines deal was found by Cheapflights users on 5/13. 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.
Mon 11/164:39 pm
BWI
-
ZRH
2 stops35h 01m
Scandinavian Airlines
Thu 11/193:00 pm
ZRH
-
BWI
2 stops37h 37m
Scandinavian Airlines
Deal found 5/13$802
This Scandinavian Airlines deal was found by Cheapflights users on 5/15. 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.
Mon 8/171:45 pm
BWI
-
ZRH
2 stops13h 55m
Scandinavian Airlines
Thu 8/2710:25 am
ZRH
-
BWI
2 stops18h 14m
Scandinavian Airlines
Deal found 5/15$817
This Condor deal was found by Cheapflights users on 5/13. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:10 pm
BWI
-
ZRH
2 stops13h 40m
Multiple Airlines
Tue 9/88:00 am
ZRH
-
BWI
2 stops18h 10m
Multiple Airlines
Deal found 5/13$820
This Mytrip deal was found by Cheapflights users on 5/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:59 am
DCA
-
ZRH
2 stops31h 46m
Multiple Airlines
Mon 6/158:00 am
ZRH
-
DCA
2 stops20h 28m
Multiple Airlines
Deal found 5/11$837

Find flight deals from Washington, D.C. to Interlaken

Keep the following information in mind while searching for Washington, D.C. to Interlaken flight deals. Data was last updated May 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$561
(oojo)

One-way from

$355
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$1,037
Provider with most accurate pricing for Washington, D.C. (WAS)-Zurich flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Zurich flights.
Search Deals
From Washington, D.C. (WAS) to Interlaken
Search Deals
One-way flight from Washington, D.C. (WAS) to Interlaken
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($192 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 May 16, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Interlaken that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Fri 9/4

8:20 pm-12:10 pm

2 stops33h 50m

Zurich

Mon 9/14

7:25 am-5:00 pm

2 stops15h 35m

$1,063

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

Sun 6/7

8:30 pm-1:05 pm

1 stop10h 35m

Zurich

Thu 6/18

2:00 pm-7:25 pm

1 stop11h 25m

$1,078

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Tue 6/2

11:35 am-8:50 am

2 stops15h 15m

Zurich

Wed 6/17

8:00 am-9:54 pm

2 stops19h 54m

$1,100

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

Tue 7/7

8:17 am-8:05 am

1 stop17h 48m

Zurich

Thu 7/16

10:10 am-9:29 pm

1 stop17h 19m

$1,145

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Tue 7/7

11:00 am-10:35 am

1 stop17h 35m

Zurich

Thu 7/16

10:10 am-10:48 pm

1 stop18h 38m

$1,145

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

Tue 6/2

8:10 am-8:50 am

2 stops18h 40m

Zurich

Wed 6/17

8:00 am-6:50 pm

2 stops16h 50m

$1,150

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

Sun 7/5

8:17 am-8:05 am

1 stop17h 48m

Zurich

Tue 7/14

7:00 am-5:42 pm

2 stops16h 42m

$1,154

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Wed 7/1

12:55 pm-10:00 am

2 stops15h 05m

Zurich

Thu 7/9

11:50 am-10:59 pm

2 stops17h 09m

$1,159

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

Tue 6/2

8:10 am-8:50 am

2 stops18h 40m

Zurich

Wed 6/10

8:00 am-6:50 pm

2 stops16h 50m

$1,160

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Wed 7/1

12:29 pm-8:35 am

2 stops14h 06m

Zurich

Thu 7/9

7:00 am-5:51 pm

2 stops16h 51m

$1,163

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Washington, D.C. to Interlaken

Have a flexible travel schedule? Discover the best time to fly to Interlaken from Washington, D.C. 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. to Interlaken

What is the cheapest time of day to fly from WAS to IN9?

Find hourly flight availability from Washington, D.C. 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 May 16, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Interlaken as you normally would.

Weekly flight availability from Washington, D.C. to Interlaken

Explore weekly flight availability from Washington, D.C. 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 May 16, 2026.

The most flights from WAS to IN9 are scheduled on a Monday (8 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Washington, D.C. to Interlaken?

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 May 16, 2026.
See what other customers who have flown with SWISS,Scandinavian Airlines, andUnited Airlines from Washington, D.C. to Interlaken have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,946 reviews

Overall

7.5

Comfort

7.4

Entertainment

6.8

Crew

8.3

Boarding

7.7

Food

7.1

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.
SWISS
7.5
Good
1,946 reviews
SWISS
7.5
Good
1,946 reviews

Overall

7.5

Comfort

7.4

Entertainment

6.8

Crew

8.3

Boarding

7.7

Food

7.1

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.
Scandinavian Airlines
7.4
Good
1,778 reviews
SWISS
7.5
Good
1,946 reviews

Overall

7.5

Comfort

7.4

Entertainment

6.8

Crew

8.3

Boarding

7.7

Food

7.1

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.
United Airlines
7.4
Good
9,729 reviews
SWISS
7.5
Good
1,946 reviews

Overall

7.5

Comfort

7.4

Entertainment

6.8

Crew

8.3

Boarding

7.7

Food

7.1

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.
Aer Lingus
7.3
Good
1,563 reviews
SWISS
7.5
Good
1,946 reviews

Overall

7.5

Comfort

7.4

Entertainment

6.8

Crew

8.3

Boarding

7.7

Food

7.1

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.
Icelandair
7.0
Good
654 reviews
SWISS
7.5
Good
1,946 reviews

Overall

7.5

Comfort

7.4

Entertainment

6.8

Crew

8.3

Boarding

7.7

Food

7.1

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Interlaken. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. to Interlaken?

    A quick flight from Washington, D.C. to Interlaken can take about 10h 35m. Icelandair provides one of the quickest options available for as low as $1,078. There are 4101 mi between Washington, D.C. and Interlaken. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Washington, D.C. 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 $311. TAP AIR PORTUGAL flights start at $312 while deals on SWISS start at $429 one-way.

  • What are the most popular routes from Washington, D.C. to Interlaken?

    The most popular route from Washington, D.C. to Interlaken is Washington, D.C. Dulles Intl - Zurich. You may also consider Washington, D.C. Reagan-National - Zurich or Baltimore/Washington - Zurich.

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

    Before booking your flight to Interlaken from Washington, D.C., check out the most reliable airlines to get you to your destination on time: Austrian Airlines (80%), Lufthansa (80%), Air Canada( 78%).

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

    On average you can expect to pay $1,618 for a flight from Washington, D.C. to Interlaken. The cheapest flight overall is $390 while the most popular route, (Washington, D.C. Dulles Intl - Zurich) is currently priced at $681.

  • Can I find deals for flights from Washington, D.C. to Interlaken that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Interlaken flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Interlaken?

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

  • Can I find deals for business class flights from Washington, D.C. to Interlaken?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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.

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.

Alternative routes for Washington, D.C. to Interlaken

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Zurich flights
Reagan-National to Zurich flights
Dulles Intl to Geneva flights
Dulles Intl to Basel flights
Dulles Intl to Bern flights

Top 10 airlines flying from Washington, D.C. to Interlaken

Discover the top 10 airlines that operate flights from Washington, D.C. 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 May 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$383Average$633FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$463Average$588FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$468Average$885FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$477Average$902FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$545Average$674FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$570Average$954FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$571Average$1,014FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$600Average$1,010FlexibilityNo cancel feeOn-time79%
Brussels AirlinesCheapest$772Average$965FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$783Average$860FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.