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Interlaken

$329+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ZRH
Apr 29 — May 61
Wed 4/29
Wed 5/6
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Interlaken are usually found in August or September, booked 62 days in advance, depart on a Tuesday or Monday and return on a Tuesday

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 March 30, 2026.

This FlightHub deal was found by Cheapflights users on 3/25. 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.
Fri 4/241:20 pm
IAD
-
ZRH
1 stop14h 30m
Turkish Airlines
Fri 5/11:40 pm
ZRH
-
IAD
1 stop36h 10m
Turkish Airlines
Deal found 3/25$571
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:20 pm
IAD
-
ZRH
1 stop11h 50m
Scandinavian Airlines
Thu 4/2310:25 am
ZRH
-
IAD
1 stop12h 35m
Scandinavian Airlines
Deal found 3/28$574
This Booking.com deal was found by Cheapflights users on 3/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/231:20 pm
IAD
-
ZRH
1 stop27h 00m
Turkish Airlines
Thu 4/306:45 pm
ZRH
-
IAD
1 stop22h 50m
Turkish Airlines
Deal found 3/26$575
This oojo deal was found by Cheapflights users on 3/26. 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 9/21:20 pm
IAD
-
ZRH
1 stop14h 30m
Turkish Airlines
Wed 9/307:40 am
ZRH
-
IAD
1 stop33h 55m
Turkish Airlines
Deal found 3/26$578
This oojo deal was found by Cheapflights users on 3/26. 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 10/2810:10 pm
IAD
-
ZRH
1 stop30h 30m
Turkish Airlines
Wed 11/112:35 pm
ZRH
-
IAD
1 stop27h 10m
Turkish Airlines
Deal found 3/26$580
This Gotogate deal was found by Cheapflights users on 3/26. 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.
Sun 4/261:20 pm
IAD
-
ZRH
1 stop22h 30m
Turkish Airlines
Tue 5/1210:45 am
ZRH
-
IAD
1 stop30h 50m
Turkish Airlines
Deal found 3/26$581
This Justfly.com deal was found by Cheapflights users on 3/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:20 pm
IAD
-
ZRH
1 stop18h 55m
Turkish Airlines
Wed 5/63:10 pm
ZRH
-
IAD
1 stop34h 40m
Turkish Airlines
Deal found 3/26$583
This oojo deal was found by Cheapflights users on 3/26. 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 4/289:45 pm
IAD
-
ZRH
1 stop18h 35m
Turkish Airlines
Fri 5/86:45 pm
ZRH
-
IAD
1 stop22h 50m
Turkish Airlines
Deal found 3/26$584
This Booking.com deal was found by Cheapflights users on 3/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/11:30 pm
IAD
-
ZRH
1 stop21h 40m
Turkish Airlines
Tue 12/86:10 pm
ZRH
-
IAD
1 stop23h 35m
Turkish Airlines
Deal found 3/26$585
This oojo deal was found by Cheapflights users on 3/26. 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 8/309:45 pm
IAD
-
ZRH
1 stop18h 35m
Turkish Airlines
Wed 9/93:10 pm
ZRH
-
IAD
1 stop26h 25m
Turkish Airlines
Deal found 3/26$587
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:20 pm
IAD
-
ZRH
1 stop11h 50m
Scandinavian Airlines
Sun 5/38:25 pm
ZRH
-
IAD
1 stop26h 35m
Scandinavian Airlines
Deal found 3/28$588
This FlightHub deal was found by Cheapflights users on 3/25. 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.
Sun 4/121:20 pm
IAD
-
ZRH
1 stop17h 15m
Turkish Airlines
Sun 4/1910:50 am
ZRH
-
IAD
1 stop30h 45m
Turkish Airlines
Deal found 3/25$589

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 March 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$571
(FlightHub)

One-way from

$329
(Trip.com)

Popular in

June

Cheapest in

August

Average price

$808
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. 11% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 30, 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

Tue 4/28

1:20 pm-2:15 pm

1 stop18h 55m

Zurich

Fri 5/8

6:45 pm-11:35 am

1 stop22h 50m

$692

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Sun 9/13

6:05 am-2:10 pm

2 stops26h 05m

Zurich

Thu 9/17

10:25 am-11:12 pm

2 stops18h 47m

$768

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Mon 5/4

12:59 pm-9:40 am

2 stops14h 41m

Zurich

Mon 5/11

10:25 am-11:24 pm

2 stops18h 59m

$812

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

Mon 5/4

5:15 pm-1:05 pm

2 stops13h 50m

Zurich

Mon 5/11

2:00 pm-7:25 pm

1 stop11h 25m

$835

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Mon 5/11

3:35 pm-1:05 pm

2 stops15h 30m

Zurich

Mon 5/18

2:00 pm-10:59 pm

2 stops14h 59m

$877

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

Sat 4/25

5:40 pm-1:05 pm

2 stops13h 25m

Zurich

Sat 5/2

2:00 pm-7:25 pm

1 stop11h 25m

$885

Washington, D.C.Zurich

IAD - ZRH

IADZRH

Washington, D.C. Dulles Intl

Mon 5/11

8:20 pm-12:45 pm

2 stops34h 25m

Zurich

Mon 5/18

7:25 am-5:00 pm

2 stops15h 35m

$890

BaltimoreZurich

BWI - ZRH

BWIZRH

Baltimore/Washington

Thu 5/14

1:30 pm-3:40 pm

2 stops20h 10m

Zurich

Thu 5/21

8:00 am-6:20 pm

2 stops16h 20m

$922

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Sat 5/9

12:00 pm-1:05 pm

2 stops43h 05m

Zurich

Sat 5/16

2:00 pm-10:59 pm

2 stops14h 59m

$933

Washington, D.C.Zurich

DCA - ZRH

DCAZRH

Washington, D.C. Reagan-National

Tue 5/12

5:00 pm-5:10 pm

2 stops18h 10m

Zurich

Tue 5/19

11:05 am-10:00 am

2 stops28h 55m

$952

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 57 resultsSorted by cheapest first
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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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Interlaken. Price data was last updated on March 13, 2026.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Interlaken, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from Washington, D.C. to Interlaken (average of $399). Flying from Washington, D.C. to Interlaken in June is currently the most expensive (average of $736). 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 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 March 30, 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 March 30, 2026.

The most flights from WAS 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 (5 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 March 30, 2026.
See what other customers who have flown with SWISS,United Airlines, andScandinavian 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
1,906 reviews

Comfort

7.4

Food

7.1

Boarding

7.7

Crew

8.3

Overall

7.5

Entertainment

6.8

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
1,906 reviews
SWISS
7.5
Good
1,906 reviews

Comfort

7.4

Food

7.1

Boarding

7.7

Crew

8.3

Overall

7.5

Entertainment

6.8

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
9,514 reviews
SWISS
7.5
Good
1,906 reviews

Comfort

7.4

Food

7.1

Boarding

7.7

Crew

8.3

Overall

7.5

Entertainment

6.8

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
7.3
Good
1,731 reviews
SWISS
7.5
Good
1,906 reviews

Comfort

7.4

Food

7.1

Boarding

7.7

Crew

8.3

Overall

7.5

Entertainment

6.8

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
7.2
Good
1,493 reviews
SWISS
7.5
Good
1,906 reviews

Comfort

7.4

Food

7.1

Boarding

7.7

Crew

8.3

Overall

7.5

Entertainment

6.8

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
627 reviews
SWISS
7.5
Good
1,906 reviews

Comfort

7.4

Food

7.1

Boarding

7.7

Crew

8.3

Overall

7.5

Entertainment

6.8

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 $601. 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 Icelandair, which is currently one of the cheapest options available, starting at $257. Scandinavian Airlines flights start at $311 while deals on TAP AIR PORTUGAL start at $312 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 Baltimore/Washington - Zurich or Washington, D.C. Reagan-National - 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: Air Canada (82%), United Airlines (82%), SWISS( 82%).

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

    On average you can expect to pay $1,654 for a flight from Washington, D.C. to Interlaken. The cheapest flight overall is $326 while the most popular route, (Washington, D.C. Dulles Intl - Zurich) is currently priced at $562.

  • 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.

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

    Currently, May is the cheapest month in which you can book a flight from Washington, D.C. to Interlaken (average of $399). Flying from Washington, D.C. to Interlaken in June is currently the most expensive (average of $736). 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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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
Dulles Intl to Geneva flights
Reagan-National to Zurich 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 March 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$390Average$793FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$413Average$706FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$457Average$583FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$468Average$853FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$477Average$837FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$570Average$1,004FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$571Average$1,002FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$608Average$987FlexibilityNo cancel feeOn-time79%
Brussels AirlinesCheapest$772Average$1,007FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$783Average$826FlexibilityNo cancel feeOn-time76%

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