Cheap flights to Washington County

View €71 flight on Sat, 17 Jan 2026Opens in a new window

Popular airlines to Washington County

  • Aer Lingus

    Aer Lingus

  • Lufthansa

    Lufthansa

  • British Airways

    British Airways

  • Turkish Airlines

    Turkish Airlines

  • American Airlines

    American Airlines

  • Air Serbia

    Air Serbia

  • Swiss International Air Lines

    Swiss International Air Lines

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at €71 for one-way flights and €143 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 17 Jan - Sun, 18 Jan
SAN
San Diego
BOI
Boise
€143 Return, found 1 day ago
€143
Return
found 1 day ago
Select Delta flight, departing Sat, 17 Jan from San Diego to Boise, returning Sun, 18 Jan, priced at €143 found 1 day ago
American Airlines
Sat, 17 Jan - Sun, 18 Jan
SAN
San Diego
BOI
Boise
€168 Return, found 1 day ago
€168
Return
found 1 day ago
Select American Airlines flight, departing Sat, 17 Jan from San Diego to Boise, returning Sun, 18 Jan, priced at €168 found 1 day ago
United
Sat, 17 Jan - Sun, 18 Jan
SAN
San Diego
BOI
Boise
€211 Return, found 1 day ago
€211
Return
found 1 day ago
Select United flight, departing Sat, 17 Jan from San Diego to Boise, returning Sun, 18 Jan, priced at €211 found 1 day ago
American Airlines
Sat, 17 Jan - Sun, 18 Jan
CLD
Carlsbad
BOI
Boise
€283 Return, found 1 day ago
€283
Return
found 1 day ago
Select American Airlines flight, departing Sat, 17 Jan from Carlsbad to Boise, returning Sun, 18 Jan, priced at €283 found 1 day ago
Delta
Thu, 28 May - Fri, 5 Jun
MCO
Orlando
BOI
Boise
€296 Return, found 23 hours ago
€296
Return
found 23 hours ago
Select Delta flight, departing Thu, 28 May from Orlando to Boise, returning Fri, 5 Jun, priced at €296 found 23 hours ago
Condor
Thu, 23 Apr - Tue, 12 May
FRA
Frankfurt
BOI
Boise
€561 Return, found 16 hours ago
€561
Return
found 16 hours ago
Select Condor flight, departing Thu, 23 Apr from Frankfurt to Boise, returning Tue, 12 May, priced at €561 found 16 hours ago
Iberia
Thu, 23 Apr - Tue, 12 May
FRA
Frankfurt
BOI
Boise
€735 Return, found 16 hours ago
€735
Return
found 16 hours ago
Select Iberia flight, departing Thu, 23 Apr from Frankfurt to Boise, returning Tue, 12 May, priced at €735 found 16 hours ago
Lufthansa
Mon, 2 Mar - Mon, 23 Mar
FRA
Frankfurt
BOI
Boise
€735 Return, found 5 days ago
€735
Return
found 5 days ago
Select Lufthansa flight, departing Mon, 2 Mar from Frankfurt to Boise, returning Mon, 23 Mar, priced at €735 found 5 days ago
Virgin Atlantic
Thu, 23 Apr - Tue, 12 May
FRA
Frankfurt
BOI
Boise
€755 Return, found 16 hours ago
€755
Return
found 16 hours ago
Select Virgin Atlantic flight, departing Thu, 23 Apr from Frankfurt to Boise, returning Tue, 12 May, priced at €755 found 16 hours ago
Icelandair
Tue, 17 Feb - Tue, 24 Feb
DUB
Dublin
BOI
Boise
€762 Return, found 5 days ago
€762
Return
found 5 days ago
Select Icelandair flight, departing Tue, 17 Feb from Dublin to Boise, returning Tue, 24 Feb, priced at €762 found 5 days ago

Trending flights to Washington County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Tue, 17 Feb - Tue, 24 Feb
DUB
Dublin
BOI
Boise
€762 Return, found 5 days ago
€762
Return
found 5 days ago
Select Icelandair flight, departing Tue, 17 Feb from Dublin to Boise, returning Tue, 24 Feb, priced at €762 found 5 days ago

Frequently asked questions

How do I find cheap flights to Washington County that have flexible change policies?
When it comes to flying these days, flexibility is a must. That's why we've added a "No change fee" filter to help you find cheap and flexible tickets to Washington County. It's on the left of your screen directly below the "Flexible change policies" heading.
Which airlines fly to Washington County?
You can choose from a selection of airlines that touch down in or near Washington County. Some of your top options are:

  • Alaska Airlines - 754 flights to or near Washington County each month, including 754 flights to Boise Airport (BOI) per month.
  • Delta Air Lines - 489 flights to or near Washington County each month, including 489 flights to Boise Airport (BOI) per month.
  • United Airlines - 303 flights to or near Washington County each month, including 303 flights to Boise Airport (BOI) per month.

How can I find cheap tickets to Washington County?
To nab a terrific deal to Washington County, book in advance. Also think about using Expedia's handy "flexible dates" link above your search results. This will show you the cheapest prices for nearby days. In the last seven days, €143 was the lowest price for a flight to Washington County.
How much is a flight to Washington County?
The price of a round-trip flight to Washington County in the last seven days varied between €143 and €762. If you were travelling one way out of San Diego (SAN), you could have gotten a low-cost fare from just €71.
What are the most popular airports to fly into in Washington County?
Book your flight to Boise Airport (BOI) and sample the best that Washington County has to offer. As the region's primary entry point, around 1,994 flights land here each month.
How much is a plane ticket to Washington County?
Ticket prices ranged anywhere from €143 to €762 in the last seven days. When you're ready to book, we're here to help you grab a cheap flight to Washington County.
What is the best time to go to Washington County?
A fantastic time to head for Washington County, as well as the exciting city of Weiser, is during the busy months of March, June and July. Summer here starts June 20, and you can look forward to temperatures of between 16ºC and 29ºC if you go then. This warmer weather is ideal for wandering around the city sights.
What months are the cheapest to book a flight to Washington County?
The best month to purchase low-cost fares to Washington County is February. It's worth noting that in the U.S, the most expensive time to purchase a ticket is during the busy month of December.

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About Washington County

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About Washington County

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